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8.3
8.3
94%

Karachi, Pakistan
$25 USD per hour
We build AI-powered software systems, intelligent automation workflows, AI agents, MCP servers, and scalable SaaS platforms for startups, agencies, and enterprises. Our expertise includes AI agent architecture, workflow automation, OpenAI integrations, multi-agent systems, MCP server development, CRM automation, business process automation, and enterprise-grade web applications. We help businesses automate operations, reduce manual work, improve customer experience, and scale faster using modern AI technologies. 🚀 Core Expertise: ✔ AI Agents & Autonomous Systems ✔ MCP Server Development ✔ OpenAI, Claude & Gemini Integrations ✔ AI Chatbots & Assistants ✔ n8n & Workflow Automation ✔ AI CRM & Business Automation ✔ SaaS Platforms & Enterprise Applications ✔ Laravel, React, Node.js & APIs ✔ Multi-Tenant Architectures ✔ Cloud Infrastructure & DevOps 💡 We specialize in: • AI-powered CRM systems • AI customer support agents • Business workflow automation • AI lead qualification systems • AI dashboards & analytics • AI-enhanced marketplaces • AI-integrated ERP/CRM platforms • Voice AI & AI chat systems • Custom MCP server implementations Our focus is delivering scalable, secure, maintainable, and revenue-driven AI software solutions with long-term business value.

9.7
9.7
98%

Gurugram, India
$30 USD per hour
Custom Software, AI and SaaS Product Studio. 14 Years, One Platform. We have built exclusively on Freelancer.com for 14 years. 500+ projects delivered. 5.0 rating across 512 reviews. 23% repeat hire rate. This is our only sales channel, so every project gets our full attention, not overflow from an agency spread across ten platforms. What we build Custom software and SaaS platforms. Full stack, scalable, built to hand off cleanly. AI native products. ChatGPT, Claude and Gemini integrations, AI chatbots, voice agents, workflow automation. Ecommerce and marketplaces. Shopify, WooCommerce, multivendor platforms. WordPress, Laravel, React, Next.js and Node.js. Production grade, not template work. You will work directly with Akash (CTO, 14 years on this platform) and Shubham or Divya (client relationship leads, named by clients in reviews going back years). The same people from your first message to final delivery. No account handoffs, no rotating project managers. 152 professional recommendations back that consistency. 100% in house team. No outsourcing. We treat every project as if we are the ones maintaining it three years from now, because often we are. Some clients have stayed with us since 2012. If your project does not need custom development, we will tell you before you spend the money. Core expertise Frontend: React, Next.js, Vue, Angular, TypeScript Backend: Node.js, Express, NestJS, Laravel, FastAPI, Core PHP Mobile: React Native, Flutter Databases: PostgreSQL, MongoDB, MySQL, Supabase Cloud: AWS, Google Cloud, Docker AI and Automation: OpenAI, Claude and Gemini APIs, RAG pipelines, LangChain, AI agents CMS and Ecommerce: WordPress, Shopify, WooCommerce, Wix, Squarespace, BigCommerce, Magento, Joomla, OpenCart, Weebly, Webflow, GoDaddy Website Builder, headless CMS Payments, Billing and Subscriptions: Stripe, Stripe Connect, PayPal, Razorpay, WooPayments, NOWPayments, ccBill, LemonSqueezy, Peppol Voice and Telephony: VAPI for inbound and outbound call orchestration with function calling, Twilio for phone number provisioning CRM and Automation: HubSpot, Zapier Lead Generation and Landing Pages: HubSpot, Odoo, Webflow, GoHighLevel, Apify, Outscraper Email and Communication: Postmark, Nodemailer, Mailivery, Gmail API, Microsoft Graph API, Yahoo IMAP, SendGrid AI Assisted Development: Cursor, Replit, Bubble, WeWeb, Lovable, Bolt, Base44 Let's talk about what you are trying to build.

7.4
7.4
100%

Santa Cruz, Venezuela
$45 USD per hour
Hi, I'm an engineer with 10+ years of experience, specializing in Trading and Financial Software, Data Analysis and Data Science, and Full-Stack Web Development. My core expertise is in trading and finance. I build expert advisors (EAs), custom indicators, alerts, and trading bots, and I develop and backtest strategies across: * MetaTrader 4/5 (MQL4/5) * cTrader * TradingView (Pine Script) * NinjaTrader I also work on quantitative analysis, risk modeling, and machine learning applied to financial markets. Beyond trading, I bring strong full-stack and data engineering skills to a wide range of projects: * Programming: C/C++, C#, .NET, Python, Java, JavaScript * Web development: React, Node.js, HTML5/CSS/JS, REST APIs, third-party integrations * Data & analytics: data processing, statistical analysis, dashboards, automation (Python, R, Excel/Google Sheets) * Machine learning: model development, forecasting, NLP, and AI/LLM integrations Whether your project is a trading system, a web application, a data pipeline, or a custom tool in any of these languages, I focus on understanding your requirements clearly, delivering working and maintainable code, and keeping you informed throughout the process.

8.5
8.5
95%

Mohali, India
$25 USD per hour
💻 𝐁𝐔𝐈𝐋𝐃 → 🚀 𝐋𝐀𝐔𝐍𝐂𝐇 → 📊 𝐆𝐑𝐎𝐖 💡 𝑭𝒖𝒍𝒍-𝑺𝒕𝒂𝒄𝒌 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓 | 𝑺𝒂𝒂𝑺 𝑩𝒖𝒊𝒍𝒅𝒆𝒓 | 𝑮𝒓𝒐𝒘𝒕𝒉-𝑫𝒓𝒊𝒗𝒆𝒏 𝑮𝒐𝒐𝒈𝒍𝒆 𝑨𝒅𝒔 𝑬𝒙𝒑𝒆𝒓𝒕 I’m a results-driven Full-Stack Web & Mobile Developer with a strong focus on building scalable, high-performance applications and delivering measurable business growth. From crafting seamless user experiences to managing data-driven marketing campaigns, I combine technical expertise with marketing strategy to create impactful digital solutions. 🛠️ 𝑪𝒐𝒓𝒆 𝑺𝒌𝒊𝒍𝒍𝒔 & 𝑬𝒙𝒑𝒆𝒓𝒕𝒊𝒔𝒆 🌐𝙁𝙪𝙡𝙡-𝙎𝙩𝙖𝙘𝙠 𝙒𝙚𝙗 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 * Frontend: HTML, CSS, JavaScript, React, Next.js * Backend: Node.js, Express, REST APIs * Database: MongoDB, MySQL, Firebase * Scalable, responsive, and high-performance applications 🧩 𝘾𝙈𝙎 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 & 𝙈𝙖𝙣𝙖𝙜𝙚𝙢𝙚𝙣𝙩 * WordPress (custom themes & plugins) * Shopify/Shopify plus (store setup & customization, Shopify Apps) * Webflow & Wix (modern no-code/low-code solutions) * SEO-friendly CMS optimization * Content management & performance tuning ☁️ 𝙎𝙖𝙖𝙎 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 * End-to-end SaaS product development * Subscription models & dashboards * Cloud deployment & scalable architecture * API integrations & automation * Figma, Canva, ChatGPT, Google Workspace, Zapier, GitHub, Salesforce, Zoho, QuickBooks 📊 𝙂𝙤𝙤𝙜𝙡𝙚 𝘼𝙙𝙨 & 𝘿𝙞𝙜𝙞𝙩𝙖𝙡 𝙈𝙖𝙧𝙠𝙚𝙩𝙞𝙣𝙜 * Campaign setup, optimization & scaling * Keyword research & competitor analysis * Conversion tracking & ROI optimization * A/B testing for performance growth 📱 𝙈𝙤𝙗𝙞𝙡𝙚 𝘼𝙥𝙥 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 * Cross-platform apps (React Native / Flutter) * Smooth UI/UX & performance optimization * API integrations & real-time functionality ✨ 𝗪𝗵𝗮𝘁 𝗬𝗼𝘂 𝗖𝗮𝗻 𝗘𝘅𝗽𝗲𝗰𝘁 𝗳𝗿𝗼𝗺 𝗠𝗲 ✔ Clean, scalable, and maintainable code ✔ Clear communication & on-time delivery ✔ Problem-solving approach ✔ Focus on real business results 🎯 𝑳𝒆𝒕’𝒔 𝑾𝒐𝒓𝒌 𝑻𝒐𝒈𝒆𝒕𝒉𝒆𝒓 If you need a developer who can build, optimize, and grow your digital product from code to conversions; I’m ready to help. 📩 Let’s discuss your project and bring your ideas to life!

8.2
8.2
98%

Karachi, Pakistan
$50 USD per hour
We build AI-powered web apps, mobile apps, desktop apps, and automation systems for businesses worldwide. With 249+ projects delivered at 4.9 stars, we bring proven reliability to every engagement. What We Build: AI & LLM Integration: Custom AI chatbots, GPT/Claude API integrations, LLM-powered automation, intelligent document processing, and AI agents that handle real business workflows. Full-Stack Web Development: Production-grade applications using Next.js, React, Node.js, TypeScript, PHP/Laravel, and WordPress. From SaaS platforms to admin dashboards to complex APIs. Mobile Applications: Native iOS (Swift/Objective-C) and Android apps, plus cross-platform with React Native and Flutter — from MVP to production. Apple & Desktop Apps: macOS desktop applications, Electron-based cross-platform desktop apps, iPad apps, and Apple ecosystem development. E-Commerce Solutions: Shopify stores, WooCommerce, custom plugins, payment integrations (Stripe, PayPal), and full e-commerce builds. AI Automation & Scripting: Python and Node.js automation — web scraping, data pipelines, API integrations, chatbots, workflow automation using modern AI tools. DevOps & Cloud: Docker, Kubernetes, AWS, Azure, Google Cloud, Linux server management, CI/CD pipelines, and production infrastructure. Why Work With Us: - 97% project completion rate, 100% on budget - 6+ years on Freelancer with verified reviews - We use AI-assisted development to deliver faster without compromising quality - Full-stack team: frontend, backend, mobile, desktop, AI, and DevOps - Clear communication with daily updates Ready to build something? Send us a message — we respond within hours.

7.5
7.5
99%

Peshawar, Pakistan
$30 USD per hour
I am a Full-Stack Web Developer with 12 years of experience in (𝗣𝗛𝗣, 𝗟𝗮𝗿𝗮𝘃𝗲𝗹,𝗖𝗼𝗱𝗲𝗶𝗴𝗻𝗶𝘁𝗲𝗿 & 𝗪𝗣) . I have successfully served more than 1,000 businesses through various freelancing platforms like Upwork and Fiverr. I absolutely love making software that helps businesses work better and smarter. It's like giving them a superpower! 𝗠𝗬 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦: ✔️Web based Enterprise Resource Planning (ERP) Software ✔️Web based Content Management Systems (CMS) ✔️Web based Inventory Management Systems ✔️Web based Accounting Management Systems ✔️Web Data Analytics Dashboards ✔️API Development ✔️Web Scraping ✔️Wordpress Website development ✔️Ecommerce/WooCommerece ✔️Web Security ✔️Payment integration (Paypal, Stripe, Visa, Master) ✔️Mobile App development ✔️Graphic Designing ✔️AI Automation 𝗠𝗬 𝗦𝗞𝗜𝗟𝗟𝗦 : Core PHP | MVC | CodeIgniter | Laravel | JavaScript | Wordpress | HTML5 | CSS 3 | jQuery | AJAX | MySQL | MySQLi | React JS | Node JS | Firebase | Cronjob | Cake PHP | FireStore | MongoDB | Cpanel | Web Security | Elementor | Divi | GPT | Chatbots | SSL | Metabase | CSV | Project Management | Ui/Ux | Figma | iOS and Android App Development | Flutter | React Native | GUI | Pulumi | Gruntworks | WIX 𝗣𝗢𝗥𝗧𝗙𝗢𝗟𝗜𝗢 ⭐⭐⭐⭐⭐ ERP System: https://demopump.munshei.pk Gaming & Gifts: https://bonustienda.com/app WooCommerace: https://sandalirasoterra.it/ Dropshipping: https://petsplanetcare.com/ Shopify:https://trustedpetproducts.com/ WooCommerace: https://joypack.com.mx/product-category/experiencias/ Customize Cart Plugin: https://noblendy.com/cart-2/ Wordpress Website for Movers: https://brightprofessionalmovers.com/ Traverls & Tours: https://pericoripiaotours.com/home-new/ Health & Care: https://atriohomecare.org/ Thank you Regards, Aftab Ahmad Full Stack Developer

9.9
9.9
90%

Machakos, Kenya
$50 USD per hour
As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy generation, live trade execution, smart notifications, user dashboards, and automated scaling, integrating TradingView charts and custom AI modules. My expertise includes: Strategy Engine Development: Design, testing, and deployment of custom and modular trading strategies (momentum, DCA, grid, arbitrage, trend-following, mean reversion, risk management overlays, etc). Exchange Integrations: Multi-exchange (Binance, Bybit, KuCoin, Coinbase, OKX, and more) spot, margin, and derivatives connectivity, robust error handling, and seamless authentication. Backtesting & Simulation: Fast, accurate historical and forward backtesting engines; optimization tooling; walk-forward analysis; metric dashboards. Automated Live Trading: Real-time execution, position sizing, dynamic stoploss/TP, risk management, error recovery, and live trade monitoring. Signal & Webhook Handling: Integration with TradingView, Telegram, Discord, email alerts; advanced webhook processors; custom event triggers. Trading Terminal UI: Web-based terminals for trade monitoring, live logs, analytics, and order management; deep TradingView chart integration; responsive dashboards. AI/ML-Driven Trading: Custom modules for signal generation, position management, and adaptive strategy optimization with machine learning. Portfolio Management: Multi-asset and multi-strategy allocation, wallet/rebalancing, cross-exchange tracking, P&L and risk statistics. Notification & Reporting: Real-time logging, alerting (web, mobile, email, Telegram), performance reporting, and alerting for trade state, errors, fills, or margin events. Cloud & DevOps: Docker, Kubernetes, Helm, NGINX, automated CI/CD pipelines, secure API exposure (REST/WebSockets), volume scaling for thousands of concurrent users. User & Multi-Tenancy: Auth, multi-user session management, isolated deployments, and secure separation for hosted trading platforms. API & Bot Management: REST/WebSocket APIs for strategy control, trade monitoring, status queries, bot lifecycle (spawn/stop/clone/update) at scale. Config & Secrets Handling: Secure, dynamic config management (YAML, JSON), secrets vaults, role-based access, per-user exchange keys. Deployment: Production experience with Linux, bare metal, AWS, GCP, DigitalOcean, Hetzner, OVH; scaling to global audiences. I combine technical rigor, creative engineering, and a passion for clean, robust code to deliver trading solutions that are powerful, resilient, and user-friendly. I’m ready to build and run your next-generation crypto trading or automation platform—end-to-end, from strategy to cloud!

7.8
7.8
99%

Kolkata, India
$35 USD per hour
I’m a senior developer with 15+ years of experience building custom WordPress/WooCommerce solutions, Python automation, API integrations, web applications, and TradingView/PineScript systems. I help businesses when off-the-shelf plugins, SaaS tools, or existing systems are not enough. MY CORE SERVICES: • Custom WordPress & WooCommerce development • Custom WordPress plugin development • PHP/MySQL development and complex bug fixing • Python automation, bots and web scraping • REST/SOAP/API integrations • Telegram, Slack, WhatsApp and business automation • n8n/Zapier workflow automation • TradingView & PineScript indicators and strategies • AI/API integrations and custom automation • Third-party system and payment integrations WHY CLIENTS HIRE ME: • 15+ years of real-world development experience • 4.9/5 rating from 138 client reviews • Strong experience with complex and legacy systems • Production-focused, maintainable code • Comfortable working with existing codebases • I focus on solving the underlying problem, not just completing a task TECHNOLOGIES: WordPress, WooCommerce, PHP, MySQL, Python, JavaScript, REST APIs, Web Scraping, PineScript, TradingView, n8n, Zapier and AI APIs. If you have a technical problem that needs a reliable custom solution, send me the requirements. I’ll review the problem and suggest the most practical approach.

7.7
7.7
98%

karachi, Pakistan
$20 USD per hour
✅Xanvra Technologies is a technology-driven development company with 7+ years of experience, specializing in mobile app development and custom digital solutions tailored to client needs. We help startups and established businesses transform ideas into scalable, high-performance products. 🔹 Mobile App Development (Core Expertise) We build secure, scalable, and user-friendly Android & iOS applications using Flutter, custom APIs, and modern architectures—designed to solve real business problems and deliver measurable results. 🔹 Client-Centric Solution Development Every project starts with understanding your business goals. We design and develop custom solutions that improve workflows, enhance user experience, and support long-term growth. 🔹 Web & Backend Development Strong expertise in Laravel, WordPress, Shopify, PHP, JavaScript, and full-stack development, delivering reliable and maintainable systems. 🔹 UI/UX & Product Design Clean, intuitive UI/UX design, branding, and visual assets focused on usability and conversion. 🔹 E-Commerce & Integrations High-performing Shopify and WooCommerce stores with secure payment gateways and third-party integrations. 🔹 SEO, Performance & Security Optimized applications with strong security standards, SEO best practices, and scalable infrastructure. At Xanvra Technologies, we don’t just build software—we create solutions that work for your users and your business. 📩 Let’s build a mobile app or digital solution that delivers real value.
A Financial APIs expert is a developer who designs, integrates, and maintains application programming interfaces that connect software systems to banking, payments, market data, and accounting platforms. Hiring a Financial APIs expert lets your business automate financial workflows, pull real-time market or transaction data, and build secure fintech features without reinventing infrastructure from scratch.
Financial APIs developers bridge your application with external financial services through REST, GraphQL, WebSocket, or FIX protocols. They handle authentication, data normalization, error recovery, rate-limit management, and compliance considerations so your product can move money, read account balances, fetch quotes, or reconcile ledgers reliably.
Commercially, this work matters because financial integrations directly touch revenue, customer trust, and regulatory exposure. A poorly built payment flow loses transactions; a fragile market-data feed breaks trading logic; an unsecured banking integration creates liability. A specialist in financial APIs reduces those risks while shortening time-to-market.
A skilled financial API integrator handles the full lifecycle from discovery to production hardening. Typical deliverables include:
Financial API specialists typically work across modern backend stacks and cloud infrastructure. Common technologies include Python, Node.js, Go, Java, and C# for backend logic; FastAPI, Express, Spring Boot, and .NET for service layers; PostgreSQL, Redis, and Kafka for state and event handling; and AWS, Google Cloud, or Azure for hosting. For testing and observability they rely on Postman, Insomnia, Pact, Datadog, Sentry, and ELK. Containerization with Docker and orchestration with Kubernetes are standard for production deployments.
Financial APIs experts serve a wide range of sectors where money, data, or compliance flows through software:
Strong candidates combine backend engineering depth with a working knowledge of financial primitives like double-entry accounting, settlement cycles, and reconciliation. Look for these signals on a profile and portfolio:
Sample interview questions you can use directly:
Freelancer.com gives you direct access to a global pool of fintech developers, payment integrators, and quantitative engineers who have shipped production financial integrations. You can compare profiles, portfolios, certifications, and verified client reviews in one place, then receive competitive bids shaped to your specific scope. Clients on Freelancer.com set their own budgets, and Milestone Payments hold funds in escrow so you only release payment when each deliverable meets your acceptance criteria. Whether you need a one-off Stripe integration or a long-term partner to maintain a multi-provider banking stack, the freelancers on Freelancer.com cover every major timezone and stack.
Ready to connect APIs to banks, payment processors, exchanges, or accounting platforms?
Hiring the right Financial APIs developer comes down to a clear brief, careful proposal review, and evidence-based candidate evaluation. Because financial integrations touch money movement and regulated data, small details in the brief change which freelancers bid and how accurately they scope the work. The three steps below walk you through the process on Freelancer.com.
Your project post is the single biggest determinant of bid quality. A precise brief filters for candidates who genuinely match your stack, providers, and compliance posture, and discourages generic proposals. Head to the
Bids are short proposals, not just price quotes. They reveal how the freelancer interprets the brief, what approach they propose, and whether the timeline is realistic for the providers and edge cases involved. Read carefully and shortlist candidates whose understanding of financial integration work matches your scope.
The final decision combines proposal quality with hard profile evidence. For financial APIs work, weigh consistency across multiple past integrations rather than one impressive sample, since reliability matters more than novelty. Look for sustained quality and clear communication patterns.
A single payment processor or open banking integration usually takes one to four weeks depending on complexity, edge cases, and compliance requirements. Multi-provider platforms with reconciliation, webhooks, and admin tooling can run two to four months. Scope, existing architecture, and provider documentation quality are the main drivers.
A general backend developer can call any HTTP API, but a Financial APIs expert understands the domain pitfalls: settlement timing, idempotency, double-entry bookkeeping, regulatory scoping, and reconciliation. That domain knowledge prevents the silent data and money errors that surface weeks after launch.
Yes. Many buyers post a fixed-scope project such as adding Plaid account linking, building a Stripe subscription flow, or syncing QuickBooks with an internal ERP. You can also retain the same freelancer afterward for maintenance, monitoring, or new provider integrations.
For defined scopes, single integrations, or augmenting an existing engineering team, an individual specialist is usually faster and more cost-effective. Choose an agency only if you need parallel workstreams across mobile, frontend, backend, and compliance simultaneously.
Experienced financial API developers can implement PCI DSS scope reduction, OAuth 2.0, mTLS, secret rotation, and PSD2 strong customer authentication. They generally do not replace a formal compliance auditor, but they will design the integration so audits are straightforward.

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