REST APIs are the interface between clients and servers that allows for data to be shared across platforms, providing a seamless connection between applications, databases, and other resources. A REST API Developer is the programmer who helps clients connect their applications to a certain platform and ensure data is flowing between the two in an efficient, secure manner. This can help to reduce friction, improve performance & scalability, boost security, streamline website navigation, and more.

REST API Developers build and maintain custom programming to enable automated data retrieval and communication with a client’s desired application or platform. This can encompass services such as quickly integrating third-party payment systems into an existing website, minimizing manual work and improving customer experience. They may also incorporate priority systems; for example creating different APIs for handling bulk vs single requests for heavy workloads. Ultimately a REST API Developer helps clients bridge the gap between complex platforms and transform data into valuable business insights.

Here’s some projects that our expert REST API Developers made real:

  • Establishing communication between different applications
  • Creating priority systems for managing large volumes of requests
  • Integrating third-party payment systems into an existing website
  • Developing programming to seamlessly retrieve dynamic data
  • Designing secure connections to protect confidential information

Our highly-skilled REST API Developers are experts when it comes to stitching together the critical links which connect disparate platforms together. With years of experience they have been able to tackle innumerable projects which have led to successful outcomes for our clients. If you have an issue related to connecting your application with another platform or require automated data retrieval services then you can post your own project here on Freelancer.com and hire one of our experienced developers today!

From 61,540 reviews, clients rate our REST API Developers 4.9 out of 5 stars.
Hire REST API Developers

REST APIs are the interface between clients and servers that allows for data to be shared across platforms, providing a seamless connection between applications, databases, and other resources. A REST API Developer is the programmer who helps clients connect their applications to a certain platform and ensure data is flowing between the two in an efficient, secure manner. This can help to reduce friction, improve performance & scalability, boost security, streamline website navigation, and more.

REST API Developers build and maintain custom programming to enable automated data retrieval and communication with a client’s desired application or platform. This can encompass services such as quickly integrating third-party payment systems into an existing website, minimizing manual work and improving customer experience. They may also incorporate priority systems; for example creating different APIs for handling bulk vs single requests for heavy workloads. Ultimately a REST API Developer helps clients bridge the gap between complex platforms and transform data into valuable business insights.

Here’s some projects that our expert REST API Developers made real:

  • Establishing communication between different applications
  • Creating priority systems for managing large volumes of requests
  • Integrating third-party payment systems into an existing website
  • Developing programming to seamlessly retrieve dynamic data
  • Designing secure connections to protect confidential information

Our highly-skilled REST API Developers are experts when it comes to stitching together the critical links which connect disparate platforms together. With years of experience they have been able to tackle innumerable projects which have led to successful outcomes for our clients. If you have an issue related to connecting your application with another platform or require automated data retrieval services then you can post your own project here on Freelancer.com and hire one of our experienced developers today!

From 61,540 reviews, clients rate our REST API Developers 4.9 out of 5 stars.
Hire REST API Developers

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    Post-Quantum Cryptography (PQC) & AWS Security Architect We are seeking a highly experienced Post-Quantum Cryptography (PQC) and AWS Security Architect to review, strengthen, and help evolve our enterprise-grade quantum-resistant security platform. The ideal candidate has deep expertise in modern cryptography, NIST-standardized PQC algorithms (ML-KEM, ML-DSA, SLH-DSA), cryptographic agility, secure key management, and enterprise cloud security. You will be responsible for validating and improving our cryptographic architecture, encryption and digital signature workflows, Portable Cryptographic Recovery Packages (CRPs), and overall security posture to ensure protection against both current and future quantum computing threats, including Harvest Now, Decrypt Later (HNDL) attacks. We a...

    $20 / hr Average bid
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    15 bids

    Full Stack Anime Streaming Platform (HiAnime-Inspired Features) Project Overview I am looking for an experienced full-stack developer or team to build a modern anime streaming platform with functionality similar to leading anime streaming websites. The project must be developed using original code and design, while providing a comparable user experience and feature set. The developer will be responsible for frontend, backend, database, deployment, testing, and documentation. Technology Stack - (React) - Node.js (Express or NestJS) - MongoDB or PostgreSQL - Redis (optional) - Docker - Nginx - REST API or GraphQL Frontend Features - Modern responsive UI - Dark and light mode - Homepage with: - Trending Anime - Popular Anime - Latest Episodes - Recently Updated - Ongoing Ani...

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    I have already laid down the core of OpsFlow—a Flutter / Dart front-end, Go REST back-end, PostgreSQL database, and a Docker-based deployment stack complete with MinIO object storage, role-based auth, notifications, audit logs, and automated health checks. For the very first public release I want to polish and ship a solid work-order workflow. The scope for this milestone is focused and clear: enable streamlined “work-order creation and assignment” from end to end. What you will find waiting for you • A clean Flutter UI skeleton and shared component library • Fully documented Go micro-services with CRUD scaffolding in place • Auth, user, asset, and inventory tables already seeded in PostgreSQL • Docker-compose scripts for local orchestratio...

    $592 Average bid
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    We are Optedif Formation, a French training organization delivering short professional training programs for adults, entrepreneurs, employees, freelancers, job seekers and people in career transition. We are looking for experienced trainers, instructors or subject-matter experts in API et Webservices (APIs and Web Services) to deliver short training sessions in French. The training may be delivered remotely or on-site depending on the learners’ needs. Scope of Work The selected freelancer will be expected to: * Deliver short training sessions in French * Adapt explanations to adult learners * Share practical and operational knowledge * Use existing training material or help improve it when needed * Create a positive and constructive learning environment * Support learners during...

    $643 Average bid
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    39 bids

    I want an Android-only social media app built from scratch. The core goal is to let users create accounts, post updates, follow one another, and engage through comments or likes. I’m open to your preferred tech stack, as long as it follows current Android guidelines and results in a smooth, modern UI. Key expectations: • Account creation and secure login (email, Google, or phone). • Main feed that displays text, photo, or short-video posts in real time. • Basic engagement tools: like, comment, and follow. • User profile page with avatar, bio, and post history. • Simple, intuitive navigation that feels native to Android. • Clean, well-documented code plus a compiled APK for testing. Please outline the libraries or frameworks you plan to use, e...

    $623 Average bid
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    81 bids

    Audio Streaming Platform Development (Web, Android, iOS & Admin Panel) We are looking for an experienced development team to build a modern audio streaming platform for Web, Android, and iOS, along with a comprehensive Admin Panel as detailed in the attached PDF. The application should provide a premium user experience for discovering, streaming, and managing audio content while following an original UI/UX design and branding. The product must not copy or reproduce any third-party application's proprietary design, assets, or intellectual property. User App Features User registration & secure authentication Audio streaming with adaptive quality Search, categories, and personalized recommendations User subscriptions for premium content Offline downloads with subscription/lice...

    $909 Average bid
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    I’m building a single-screen landing page that does more than just look good—it has to pull real-time option data from an external API, run that feed through my pricing/greeks model, and present the live results immediately to the visitor. Here’s how I picture the flow 1. Page loads, calls the API for the latest option chain. 2. Response streams straight into the calculation module (I’ll give you the exact formulas; if you prefer, convert them from my Excel file). 3. Calculated values refresh the on-screen tables and charts without a manual reload. Frontend • A lightweight, responsive UI—React, Vue or plain JavaScript are all fine so long as the layout is crisp and mobile-friendly. • Clear status messaging for API latency or errors. Back...

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    47 bids

    I have outlined a complete concept for a lightweight handyman-management plugin aimed at hotels and similar properties. Everything—flows, fields, and screen mock-ups—is documented here: Core objectives • Build the solution as a WordPress plugin that relies on Advanced Custom Fields Pro for flexible data entry. • Optimise every screen for mobile so hotel staff can open it on a phone or small tablet and act quickly. Key features to implement • Task scheduling: create, assign, and calendar jobs directly from the dashboard. • Real-time worker tracking: each maintenance crew member can update status (“in progress”, “waiting parts”, “done”) and clock time spent. • Task categories limited to maintenance reque...

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    I’m planning a full-scale systems integration that will let our HubSpot CRM talk seamlessly with our enterprise-grade ERP. The goal is to create a real-time, bidirectional flow of customer, order and inventory data without disrupting either platform’s native workflows. I already have clear process maps and sample datasets; what I need now is an experienced Solutions Architect who can turn those business requirements into a concrete technical blueprint. That means defining the overall integration architecture, documenting data models, selecting the optimal middleware or iPaaS layer, and outlining security, error-handling and scalability considerations. REST and webhook experience with HubSpot is essential, but I’m open to your recommendations on the ERP side—wheth...

    $3183 Average bid
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    I am building an Android-only mobile application I call “Sepuluh Poin.” The core idea is already drafted, but I need a seasoned Android developer to turn the concept into a full, production-ready app. Scope of work • Translate my functional notes for “Sepuluh Poin” into clear user flows and wireframes (I will share the sketches once we start). • Build the complete Android app in Android Studio, using Kotlin (Java is acceptable if you have strong justification). • Implement a clean, modern UI that follows Material Design guidelines. • Connect front-end screens to the required local or cloud-based data layer; I am open to Firebase or a lightweight REST API—let’s decide together during kickoff. • Package, sign, and deli...

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    14 bids

    Hello, At Aura, a forward-thinking digital services agency, we help healthcare providers streamline their operations and scale using cutting-edge technology. We are looking for a highly skilled AI Automation & n8n Developer to build an advanced, production-ready AI Agent tailored for medical clinics. Key Responsibilities: - Design and implement end-to-end automation workflows using n8n. - Build multi-channel AI Agents integrated with WhatsApp and Instagram. - Automate appointment scheduling systems (integrating with tools like Calendly, Google Calendar, or clinic CRMs). - Develop automated systems for lead qualification (qualifying potential patients/clients before handing them over to the clinic). - Implement instant, accurate AI responses for Frequently Asked Questions (FAQs) reg...

    $607 Average bid
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    131 bids

    Project Name: I am looking for an experienced Full Stack Developer to build Phase 1 (MVP) of , an enterprise-grade e-commerce platform. The project includes: • Customer Website • Admin Panel • Shopkeeper Panel • Salesman Panel • Product Management • Category Management • Brand Management • Inventory Management • User Registration & Login • Order Management • Responsive Design • React Frontend • Node.js Backend • PostgreSQL Database • REST API • Role-Based Access Control • Live Chat Support • User Reviews & Ratings • Multi-Language Support • Razorpay / PhonePe / Cashfree Payment Gateway Integration • Shipping Service Integration The code must be clean, secure, scalable, well...

    $752 Average bid
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    72 bids

    I am building an Android-only mobile application I call “Sepuluh Poin.” The core idea is already drafted, but I need a seasoned Android developer to turn the concept into a full, production-ready app. Scope of work • Translate my functional notes for “Sepuluh Poin” into clear user flows and wireframes (I will share the sketches once we start). • Build the complete Android app in Android Studio, using Kotlin (Java is acceptable if you have strong justification). • Implement a clean, modern UI that follows Material Design guidelines. • Connect front-end screens to the required local or cloud-based data layer; I am open to Firebase or a lightweight REST API—let’s decide together during kickoff. • Package, sign, and deli...

    $10 / hr Average bid
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    40 bids

    I’m building a subscription-based, white-label SaaS where every retailer receives a fully branded Android and iOS app plus its own cloud workspace. From a single super-admin dashboard I want the power to spin up unlimited tenant apps, set their plans, and monitor usage, while each retailer manages day-to-day operations in a private admin panel. Core scope • Multi-tenant architecture that isolates data yet runs on one codebase. • Role-based access control: Super Admin → Retailer Admin → Customer. • Flutter front-end for customer-facing mobile apps and retailer web panel. • Backend in either Laravel or Node.js with REST/GraphQL APIs, real-time notifications, and secure multitenant DB design. • Features per tenant: customer login, inventory,...

    $519 Average bid
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    74 bids

    I need a seamless, real-time bridge between our Shopify storefront and our in-house ERP, ACME. Whenever new inventory lands in the warehouse, a sale reduces available quantity, or a manual adjustment/return is logged in ACME, the exact stock level must instantly reflect on every Shopify product page without delay. Your job is to design, build, and deploy this two-way integration. My team can expose or consume REST/GraphQL endpoints on the ACME side, and I can generate API credentials in Shopify. Webhooks, polling safeguards, or a lightweight middleware layer are all acceptable—as long as every trigger above updates Shopify in real time and survives high-volume traffic. Deliverables • Production-ready integration code (language/tool of your choice) • Deployment or setu...

    $396 Average bid
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    71 bids

    Senior Firebase, Azure Data Integration & Power Platform Automation Engineer Enterprise Project Overview The project focuses on designing, automating, deploying, and supporting enterprise-scale integrations between Firebase Firestore, Azure Data Factory (ADF), Microsoft Dataverse, Power Platform, ServiceNow, REST APIs, and enterprise cloud services. Responsibilities include secure CI/CD deployments using GitHub Actions, ARM templates, and environment-specific configuration management across Dev, Test, UAT, and Production. Core Expertise Azure Data Factory: Metadata-driven ETL, Copy Activities, Mapping Data Flows, Lookup, ForEach, Until, Execute Pipeline, Stored Procedures, REST APIs, Azure Functions, CDC, Incremental Loads, Monitoring, Triggers, Performance Tuning. Firebase Firestore...

    $91 / hr Average bid
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    12 bids

    I need a lightweight .NET service that communicates with Epicor’s REST API and keeps our database and the ERP in lock-step. The core requirement is real-time data synchronization—changes made in either system should be reflected in the other within seconds, without manual intervention or batch jobs. Beyond simply moving records back and forth, the service must apply custom business logic before any write is committed. That logic includes: • Processing transactions – e.g., auto-generating related records, updating status fields, and posting to the correct Epicor endpoints. • Data validation – rejecting or flagging incomplete or incorrectly formatted payloads so we never pollute Epicor with bad data. • Workflow automation – triggering follow...

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    232 bids

    Project Overview: >We are developing a next-generation AI-powered cybersecurity platform to enhance threat detection, security operations, incident response, and intelligent decision-making through Agentic AI and Generative AI. Our objective is to build an enterprise-grade, production-ready AI ecosystem that goes beyond traditional chatbots by enabling autonomous AI agents capable of reasoning, planning, executing multi-step tasks, and securely interacting with cybersecurity tools and knowledge sources. >The platform will leverage Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), AI Agents, and domain-specific cybersecurity knowledge to provide intelligent assistance for SOC analysts, security engineers, and incident responders. The solution must deliver accurate,...

    $398 Average bid
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    46 bids

    I’m launching a new online store and need it built from the ground up over the next six months. The core will be an e-commerce experience developed in WordPress and PHP, with a custom Laravel module where advanced logic is easier to maintain. Twilio must be woven in from day one for SMS order confirmations, two-factor log-ins, and, later, voice notifications. Because I don’t yet have a formal brand, the project starts with creating a cohesive identity—logo, color palette, typography, and the style guidelines that will inform every page template you code. Once the look and feel are approved, we can move into the build phase. Key milestones I have in mind • Brand identity package signed off • WordPress storefront and product catalogue live with payment gateway...

    $34 / hr Average bid
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    443 bids

    I’m building a small social-network site whose sole focus is letting people curate and share interesting links. The back end must run on Python 3 with Django; I’m happy with PostgreSQL for data, and you can keep the front end simple with Django templates or layer in React if that speeds you up, so long as it connects cleanly to Django’s auth system. What has to be in place: • Custom user profiles with avatar, bio and basic privacy controls • Two-way friend connections so users can follow each other’s link stream • Direct, real-time (or near real-time) messaging between friends • Link posts with title, description, tags and rich preview pulled via Open Graph • Feed, per-user timeline and quick search/filter Technical expectatio...

    $1661 Average bid
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    113 bids

    I already have a partially-working prototype for an industrial counter + timer built around an Arduino. It needs to count production units while tracking elapsed time in parallel, show both values on an LCD screen, and push the data over Wi-Fi to my factory LAN. Where I’m at • Core hardware is assembled and a rough sketch is running, but the logic occasionally drifts and the Wi-Fi payloads are not stable. • The prototype can be shipped to you immediately, fully labelled and with a wiring diagram of the current build. What I need from you 1. Clean, well-commented Arduino code that reliably performs the simultaneous counting and timing functions. 2. Solid LCD interface: clear, easy-to-read formatting of count, timer, and simple status icons. 3. Robust Wi-Fi routin...

    $150 Average bid
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    27 bids

    I am ready to turn my token, AURA, into a fully-featured mobile experience. At a glance, the app will let users connect a wallet, buy or sell AURA against USDT through our own AMM engine, and see prices update in real time. Your job is to stitch together the pieces shown in the attached flow—PhonePe payments, an in-app wallet, order routing, and a secure backend that talks to the Aureus liquidity pool. Core functionality • Transaction management – users can buy or sell AURA, review every past trade, and move funds between their wallet and PhonePe. • User authentication – email / password, social accounts (Google, Facebook, etc.), plus an optional two-factor prompt before any transfer. • Real-time price calculation – prices must come straight fr...

    $10186 Average bid
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    79 bids

    Developed a web-based Task & Project Management application for a small business to help their team manage daily work more efficiently. The application allows users to create projects, assign tasks, monitor progress, and collaborate from a single dashboard. The system includes secure login, user role management (Admin and Team Members), project creation, task assignment, due date tracking, task status updates, and a simple analytics dashboard showing project progress. It also features notifications, search and filter options, and a fully responsive interface for desktop and mobile devices. The project was built using the MERN stack (MongoDB, , React.js, and Node.js) with REST APIs and JWT-based authentication to ensure secure access.

    $277 Average bid
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    65 bids

    I need real-time odds from both Betfair and Pinnacle stream. I do need funded verified pinnacle and betfair account with odds feed. Need just accounts or working api that use account with 0 latency

    $606 Average bid
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    193 bids

    I’m in the closing stretch of a .NET Core microservice project and need an extra set of experienced hands to get us over the line. The architecture is already in place and running in containers, but several new endpoints and service refinements still have to be coded, tested, and deployed. Your focus will be pure development inside the existing Dot net Core microservices: writing clean C# for REST endpoints and message-bus consumers, extending EF Core queries, and ensuring every change sails through our Git- and Jenkins-based CI/CD pipeline. Once the code is committed you’ll containerise it, update the Helm charts, trigger the build, and keep an eye on Kibana to confirm the logs are healthy. Gatling drives our load tests, so any change must survive that suite before we call it...

    $113 Average bid
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    23 bids

    We're Hiring: Part-Time iOS Developer In and Out Signages | Karnataka, India | Part-Time About Us In and Out Signages is a Karnataka-based safety signage manufacturing and supply company. Alongside our physical signage business (ISO 7010, IS 9457, and OISD-compliant safety signs), we've built Alert app, a mobile-based broadcast system. We're looking for a part-time iOS Developer to help us build and refine the mobile experience behind Alert system. Role Overview We're hiring a Part-Time iOS Developer to join our team and contribute to the ongoing development of our iOS application. This is a great opportunity for someone who wants flexible, meaningful work building a product that plays a real role in floor safety. Skills We're Looking For Swift SwiftUI / UIK...

    $147 Average bid
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    I have a mature JavaScript / Node.js codebase that now needs robust API connectivity. The goal is to wire in several external services—some exposed as classic REST endpoints, others as GraphQL—so the application can consume, transform, and surface that data seamlessly to the front-end. Here’s what I need from you: • Analyse the existing structure, identify the best touch-points for new service layers, and keep everything idiomatic to Node.js (Express, middleware, async/await). • Build out the integration layer for both REST and GraphQL calls, including token management, retries, and intelligent error handling. • Return clean, typed responses (TypeScript definitions or JSDoc) so downstream modules stay type-safe. • Write concise unit and integr...

    $7 / hr Average bid
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    60 bids

    I’m starting from scratch and need a full-stack React + Node.js e-commerce platform focused on a robust product catalog with fast, intuitive search. Scope • Build the front-end in React (hooks preferred) with a clean, responsive UI that lists products, supports category filters, and provides real-time keyword search. • Develop the back-end in Node.js—Express or a comparable framework—exposing secure REST endpoints for products, categories, and search queries. • Set up a database schema that handles product data, images, and basic inventory fields. I’m open to MongoDB, PostgreSQL, or your recommended store so long as it scales. • Implement essential catalog management features: add, edit, delete products and bulk import via CSV or JSON. • En...

    $777 Average bid
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    Experienced Java Spring Boot Developer & Mentor Needed for Hands-on Real-World Project Training I am looking for an experienced Java Spring Boot developer who can mentor me through hands-on learning by building real-world demo projects together. This is not just a teaching role. I want to learn by developing practical applications from scratch using industry best practices. I have basic knowledge already. What I am looking for: Strong experience with Java (Java 17/21 preferred) Strong experience with Spring Boot Experience with REST APIs, Spring Data JPA, Hibernate Experience with MySQL or PostgreSQL Knowledge of Maven/Gradle Experience with Git and GitHub Good understanding of software architecture and clean code principles Ability to explain concepts clearly while coding togeth...

    $11 / hr Average bid
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    117 bids

    I already have a clean, responsive front-end for my travel-insurance booking site; now I need the complete engine behind it. Your job is to architect and code the full back-end layer, expose well-structured REST APIs, and wire everything to Indian payment gateways. Core scope • Build the entire server-side infrastructure — database schema, business logic and API endpoints — so that users can browse plans, generate quotes, buy a policy and download documents. • Create an admin module view transactions and run simple reports. • Integrate payment gateway(s) and complete payment in INR. Successful and failed callbacks must be handled and logged. • Provide clear API docs and postman collection so the existing UI (or any revised React/Angular/Vue layer)...

    $843 Average bid
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    111 bids
    FreePBX Install & Call API
    3 days left
    Verified

    Project Overview We are looking for an experienced FreePBX / Asterisk developer to install, configure, and develop a complete REST API for automating telephone bridge calls. We will provide: SSH access to a Linux server. SIP trunk credentials. Access to a remote server where call recordings will be stored. The final solution must be production-ready, stable, secure, and well documented. Phase 1 – Installation & Configuration The developer will: Install and configure FreePBX (preferred) or Asterisk if there is a clear technical advantage. Configure one or more SIP trunks. Our SIP provider allows multiple DDI (Caller IDs) on the same SIP trunk. The system must support multiple SIP trunks simultaneously. Configure automatic call recording. Secure and optimize the PBX for prod...

    $760 Average bid
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    209 bids

    I’m building an end-to-end conversational AI that handles text and real-time voice in four languages, guides users through staged enquiry and reservation flows, and syncs seamlessly with our existing systems and website. The core must expose a secure WebSocket API for live messaging, catalog synchronisation, and remote-tool protocols so my in-house apps can push or pull data without lag. Front-of-house, I need a portal-grade web stack: server-side rendered pages, a multilingual CMS, and a media pipeline that keeps images and audio optimised across devices. Back-of-house, the platform has to talk to the channels where our customers already are. For this phase I want native connectors for LINE OA, WhatsApp Business, Facebook Messenger, Telegram, Instagram, Google Business, TikTok, and...

    $2981 Average bid
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    286 bids

    I need an engineer who can wire up OneSignal push notifications end-to-end for my Lovable web app, which is wrapped as a native iOS build through Median. Users authenticate with email / password, Google, Apple and magic link; whichever method they choose, their Supabase UUID must become the external_user_id in OneSignal so that every notification targets the right person. On first launch the app should ask for all notification permissions in a single prompt, respecting Apple guidelines. From there the flow has to stay in sync with authentication: register the device on login, cleanly remove it on logout, and keep token changes in the background. I have built a custom panel in the admin backend which ties push notifications to site notifications, and also enables custom notifications to a...

    $217 Average bid
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    211 bids

    # Senior Full Stack Developer Needed – SaaS ERP/CRM Platform for Solar & Electrical Company ## Project Overview We are looking for an experienced **Senior Full Stack Developer or a small development team** to build a modern SaaS platform for managing a solar (PV), electrical, battery storage, and field service company. This is **not** a simple CRM. The goal is to build a complete business management platform that covers the entire workflow: **Lead → CRM → Quotation → Project → Scheduling → Field Teams → Documentation → Billing → Analytics → Service** The platform should have a modern interface similar to: * * ClickUp * Jobber * ServiceTitan * Salesforce * Odoo * Asana with our own custom workflows dedicated to photovoltaic and...

    $7038 Average bid
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    271 bids

    I am building a dedicated iOS mobile app whose core function is to let users browse, purchase, and track products seamlessly from their iPhone or iPad. The project is strictly for iOS, so everything—from the UI layout to payment handling—must follow Apple’s Human Interface Guidelines and the latest App Store policies. I already have a product catalog and basic brand assets; what I need now is an end-to-end native solution in Swift. The flow should cover secure user sign-up/login (Apple ID included), product search and filtering, a smooth cart experience, and checkout with a PCI-compliant payment gateway such as Stripe or Apple Pay. Push notifications for order status and an analytics hook (Firebase or a comparable SDK) are also part of the scope. Deliverables I expect: ...

    $760 Average bid
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    153 bids

    -----------> Please bid only if you have prior working knowledge of intune mam tunnel integration and can connect directly over call at first place for any ques/query. I want an end-to-end demonstration POC app of Microsoft Intune’s MAM tunnel running on iOS. The goal is to prove that a line-of-business app can send traffic only through the managed tunnel and successfully trigger a specific protected call (think: secure REST request to an internal endpoint) while everything outside the tunnel is blocked. You will: • Configure an Intune MAM tunnel in my tenant, including the necessary VPN gateway settings and app protection policies. • Build or adapt a small Swift-based sample app that integrates the latest Intune MAM SDK. The app should focus on one clear showcase fea...

    $199 Average bid
    $199 Avg Bid
    112 bids

    Grocery Delivery Mobile App Development (React Native + MERN) I am looking for an experienced React Native + MERN Stack developer to build a modern grocery delivery Android application named Avrnhh similar to Swiggy Instamart, Blinkit, or Zepto. Tech Stack * React Native (Android) * Node.js * * MongoDB * JWT Authentication * REST APIs * Firebase/MSG91/Twilio for OTP authentication * Cloudinary (for image storage) or equivalent Core Features Authentication * OTP-based login using mobile number * User registration * Secure authentication and session management Home Screen * Modern UI similar to Instamart * Search bar * Promotional banners * Product categories * Featured products * Recommended products * Best sellers * Recently viewed products Product Module * Product listing * Pr...

    $280 Average bid
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    73 bids

    *Certified Solution Developer* I need an IBM App Connect Enterprise (ACE) specialist who can jump straight into hands-on message flow development. The assignment centres on building and optimising flows that connect several airline-industry applications, so familiarity with patterns common to reservation, ticketing, or departure-control systems will be a real advantage. You will receive detailed interface contracts, sample payloads (JSON, XML), and access to our Dev MQ queues and REST endpoints. From there I expect you to design, code and unit-test the flows, making smart use of ESQL, JavaCompute nodes or Mapping nodes as appropriate, and package everything so it can be promoted through our existing CI/CD pipeline (Git, Jenkins, BAR files). Please outline the airline-related IBM ACE or ...

    $15 / hr Average bid
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    11 bids

    Project Summary: We are hiring a highly skilled full-stack developer or team to build and expand a SaaS platform, , an AI-powered career platform focused on career mapping, trust-based networking, curated introductions, and dashboard-based progress tracking. The project requires deep backend expertise with AWS serverless architecture and strong frontend experience with React/TypeScript to deliver a modern, data-driven user experience. Required Backend Stack: Node.js, , JavaScript (ES6+), Serverless Framework, REST APIs, JWT Authentication, Bash scripting, AWS Lambda, API Gateway, S3, CloudFront, DynamoDB, CloudWatch, SSM Parameter Store, GitHub Actions, npm, Postman. Required Frontend Stack: HTML, CSS, JavaScript, React, TypeScript, Redux/Redux Toolkit, Axios, DayJS, Formik + Yup, MUI, ,...

    $10023 Average bid
    $10023 Avg Bid
    266 bids

    I want to build a cross-platform mobile app that mirrors the workflow of HouseCall Pro but is tailored to my company’s needs. The two must-have modules are a calendar-based scheduling & dispatching system and a lightweight CRM for client management. Each job record also needs to store photos taken on-site and display them in a clean, presentation-ready format alongside the job details. Real-time push notifications are essential. Admins will receive alerts when a new booking comes in, service providers will see schedule changes instantly, and clients will be notified of technician ETA and job completion. The app will support three permission levels: • Admin – full web dashboard plus mobile access to manage users, services, pricing, and reports • Service Provid...

    $570 Average bid
    $570 Avg Bid
    300 bids

    We are looking for an experienced backend developer with strong knowledge of AWS (SES, S3, Lambda) and the Frappe Framework. We need to build an event-driven "push" architecture for incoming emails. Instead of relying on Frappe's default 5-minute IMAP sync, we want incoming emails routed through AWS SES, parsed by AWS Lambda, and pushed instantly to our Frappe server via REST API. Key Responsibilities: Configure AWS SES to receive inbound emails for our domain and store the raw MIME files temporarily in an Amazon S3 bucket. Write an AWS Lambda function (Python or Node.js) triggered by SES/S3. The Lambda function must parse the raw email to extract the Sender, Recipient, Subject, Text Body, HTML Body, and any Attachments. Push this parsed data as a clean JSON payload to ...

    $370 Average bid
    $370 Avg Bid
    69 bids

    I’m preparing to release a mobile-first social network that reproduces the familiar Instagram experience while leaving room for new features later on. The job covers the entire build cycle—from architecture and UI/UX to deployment—so I’m looking for someone (or a small team) comfortable owning the full stack. Core scope • Cross-platform mobile app (iOS and Android) built in React Native, Flutter, or a similar modern framework • Media handling: high-resolution photo and video capture, editing (basic filters, crop, trim), and cloud storage integration (AWS S3, Firebase Storage, etc.) • Dynamic home feed that can be switched between chronological and algorithmic once the ranking logic is defined • User accounts with profile pages, avatar up...

    $3277 Average bid
    $3277 Avg Bid
    221 bids

    Design, configure, and maintain Asterisk-based telephony systems. Develop and manage SIP trunk configurations, IVRs, call routing, DID management, and dial plans. Integrate telephony systems with REST APIs, webhooks, and third-party platforms. Build and maintain API integrations for the Neurova platform. Configure inbound and outbound call flows, click-to-call, predictive dialing, and intelligent routing. Work with AI Voice Agents and ensure seamless human call transfer (human failover). Integrate WhatsApp, SMS, Email, CRM, and other communication channels where required. Troubleshoot voice quality, SIP signaling, RTP issues, and carrier connectivity. Collaborate with the AI development team to integrate Speech-to-Text (STT), Text-to-Speech (TTS), and LLM-based conversational workflows. Op...

    $173 Average bid
    $173 Avg Bid
    36 bids

    Project Title Develop Hotel Booking Website + OTA Integration + Channel Manager Project Description We are looking for an experienced Laravel/PHP (or modern framework) developer to build a complete hotel booking website with OTA integration and Channel Manager functionality. The website should be professional, mobile-friendly, fast, and scalable. Required Features Website Responsive Design (Desktop, Tablet & Mobile) Modern UI/UX Homepage with gallery, rooms, offers and contact About Us, Facilities, Restaurant, Gallery, Contact pages Hotel Booking System Real-time Room Availability Check-in / Check-out Selection Multiple Room Types Room Inventory Management Booking Calendar Booking Confirmation Booking Modification & Cancellation Guest Dashboard Booking History...

    $407 Average bid
    $407 Avg Bid
    117 bids

    I need a fully responsive, fast, and SEO-friendly Job Portal Website similar to ClickIndia, but only for job postings (no buy/sell classified ads). ### Website Requirements #### 1. Candidate Features * Candidate Registration & Login (Email, Mobile OTP, Google Login) * Resume Upload (PDF/DOC) * Complete Profile * Search Jobs * Apply for Jobs * Save Jobs * Job Alerts (Email & SMS) * Dashboard (Applied Jobs, Saved Jobs, Profile) #### 2. Employer Features * Employer Registration & Login * Company Profile * Post, Edit & Delete Jobs * Manage Applications * Search Candidates * Download Resumes * Employer Dashboard * Premium Package Purchase * Payment History #### 3. Admin Panel Roles: - **Super Admin** (Full Access) - **Admin** - **SEO Manager** - **Content Editor** ...

    $134 Average bid
    $134 Avg Bid
    124 bids

    I agree. On Freelancer, the more you describe a billion-dollar vision, the more likely you'll get inflated quotes or attract people who say "yes" to everything. Instead, describe **only the first version**. You can always expand later. Here's a lean posting: --- # Build a Modern BPO Job Platform (Web) I'm looking for an experienced full-stack developer to build a modern job platform for the BPO (Business Process Outsourcing) industry. The platform should be similar to LinkedIn/Indeed but focused only on BPO and call center jobs. ### Features * User registration/login * Candidate profiles * Company profiles * Recruiter dashboard * Post jobs * Browse/search jobs * Apply for jobs * Save jobs * Resume upload * Basic messaging between recruiters and candidates *...

    $673 Average bid
    $673 Avg Bid
    348 bids

    I'm looking for an experienced C#/.NET desktop application developer to build a commercial Driver Updater software for Windows and Linux. The application should scan the system, detect installed hardware drivers, compare them with the latest versions from an online driver database/API, and display all drivers categorized as Up-to-Date or Update Available. Required Features Scan and detect all installed hardware drivers. Display driver details (Device Name, Version, Date, Manufacturer, Hardware ID, Status). Show which drivers are updated and which require updates. Free Version Scan system View all drivers Manual (one-by-one) driver updates Pro Version One-click update for all drivers Automatic download and installation Driver backup before updates Scheduled scans Background updates D...

    $164 Average bid
    $164 Avg Bid
    18 bids

    I’m building a new web application from scratch and need a developer who can take full ownership of both sides of the stack, working exclusively with React on the frontend and Node.js on the backend. On the client side, I want a clean, component-based architecture in React, responsive layouts, and smooth state management using Redux or Context. On the server side, you’ll stand up a robust Node.js API—Express is fine—wired to a cloud-hosted database of your choice (MongoDB, PostgreSQL, etc.). I value readable, well-tested code and an eye for security and performance. Deliverables • Git repo containing the complete React frontend and Node.js backend • Documented REST endpoints (Swagger or similar) • Production-ready build deployed to my cloud a...

    $27 Average bid
    $27 Avg Bid
    40 bids

    1. Meta Graph API, Instagram & WhatsApp Cloud API Integration ## Description We have an existing PHP B2B marketplace. We are looking for an experienced Meta API developer to configure our production Meta environment. ### Scope * Create and configure Meta App. * Configure Facebook Login. * Connect Facebook Page(s). * Connect Instagram Business Account. * Configure WhatsApp Cloud API. * Configure Meta Webhooks. * Complete App Review and required permissions. * Configure long-lived production access tokens. * Test Facebook publishing. * Test Instagram publishing. * Test WhatsApp send/receive messages. * Deliver complete technical documentation. ### Deliverables * Production-ready Meta integration. * Working Facebook publishing. * Working Instagram publishing. * Working WhatsApp Cloud A...

    $469 Average bid
    $469 Avg Bid
    150 bids

    Experienced Multiplayer Ludo Game Developer Required We are looking for an experienced Full Stack Game Development Team or Individual Developer to build a Real-Time Multiplayer Ludo Gaming Website Platform from scratch. The platform should be enterprise-grade, scalable, secure, and capable of handling thousands of concurrent users. The project scope includes real-time gameplay, wallet system, payment integration, tournaments, admin panel, and automatic prize distribution. Project Scope Enterprise-Grade Real-Time Multiplayer Ludo Platform Responsive Web Application Laravel Admin Panel Real-Time Multiplayer Game Engine Live Socket/WebSocket Communication Automatic Matchmaking Private Room & Public Match Wallet & Rewards System Secure Payment Gateway Automatic Winner Detection Autom...

    $441 Average bid
    $441 Avg Bid
    56 bids

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