API Integration Experts For Hire
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Hire iosifpeterfi
Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: • Infrastructure architecture & operations (Linux/Windows, virtualization, networking) • Security hardening, identity & access, monitoring/observability • Automation & DevOps practices (CI/CD, config management, IaC) • Cloud platforms, Docker, Kubernetes • Data pipelines, Zoho/ERP integrations, BI dashboards • Migrations and upgrades with minimal downtime • Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive less -
Hire webbookstudio
We are Ukrainian based IT-company Webbook Studio that provides highly professional services in the IT-sphere for international business. WORKING TIME: 11:00 - 20:00 GMT+3 (by Kyiv) (Monday to Friday) PLEASE BE PATIENT, WE WILL ANSWER YOU! Quick facts at a glance: - Year Founded: 2008 - Number of Employees: 30 -...We are Ukrainian based IT-company Webbook Studio that provides highly professional services in the IT-sphere for international business. WORKING TIME: 11:00 - 20:00 GMT+3 (by Kyiv) (Monday to Friday) PLEASE BE PATIENT, WE WILL ANSWER YOU! Quick facts at a glance: - Year Founded: 2008 - Number of Employees: 30 - 11+ years on this platform - More than 500+ projects were done - 11 successfully completed certifications on freelancer We work with: - CMS: Wordpress, Shopify, Opencart, Magento, Drupal, Joomla, ModX - Mobile Development: iOS/Android, iPhone, React Native, React.js, Angular.js - From 'scratch' with core php - Php-frameworks: Yii/Yii2, Laravel, CodeIgniter - Front-end: JavaScript, jQuery, AJAX, HTML5, CSS3, Bootstrap - Javascript-frameworks - Design: Figma, Adobe Photoshop, Adobe Illustrator, Gimp We provide the next solutions for our clients: - Development of web-sites, portals, modules, themes - Development of Mobile Apps (iPhone/Android) - development of E-commerce - development of CRM- and ERP-systems - IaaS, SaaS and PaaS solutions - design of Brand Book, design of web-sites, 3d-design less -
Hire asifalimzd
Enterprise Software Development Team | Laravel, Flutter, React, SaaS, AI & Custom Software Hi, I’m Asif Ali Zaman, a Senior Full-Stack Software Engineer and founder of a professional software development company in Pakistan with a dedicated in-house team and physical office setup. With 10+ years of experience, we...Enterprise Software Development Team | Laravel, Flutter, React, SaaS, AI & Custom Software Hi, I’m Asif Ali Zaman, a Senior Full-Stack Software Engineer and founder of a professional software development company in Pakistan with a dedicated in-house team and physical office setup. With 10+ years of experience, we help startups, agencies, growing businesses and enterprise clients build secure, scalable and business-focused web, mobile, SaaS and custom software solutions. We are not just a coding team. We work as a technical partner that understands your business goals, users, product roadmap, security, scalability and long-term growth. Our goal is to deliver software that is reliable, easy to manage and ready for real business operations. Core Expertise: Web Application Development Laravel, PHP, Node.js, Python, Django, Flask, REST APIs, microservices, admin panels, custom portals, dashboards and enterprise web systems. Frontend Development React.js, Vue.js, JavaScript, TypeScript, HTML5, CSS3, Tailwind CSS, responsive UI/UX and clean modern interfaces. Mobile App Development Flutter, React Native, native iOS, native Android, API integration, push notifications, payment gateways, App Store and Play Store deployment. SaaS & Business Platforms CRM, ERP, HRM, LMS, subscription platforms, customer portals, automation tools, reporting systems and custom dashboards. E-Commerce & Marketplaces WordPress, WooCommerce, Shopify, custom e-commerce platforms, multi-vendor marketplaces, booking platforms and payment integration. Cloud, Server & DevOps Linux servers, VPS, AWS, DigitalOcean, Docker, CI/CD, deployment, performance optimization, security setup, backups and maintenance. Solutions We Commonly Build: ✔ SaaS platforms ✔ Enterprise web applications ✔ Mobile apps for iOS and Android ✔ CRM, ERP, HRM and LMS systems ✔ Booking and marketplace platforms ✔ Healthcare, billing and management systems ✔ Logistics and transportation platforms ✔ E-commerce and WooCommerce stores ✔ Real-time chat and notification systems ✔ API integrations and automation ✔ AI-enabled business tools ✔ Secure dashboards and reporting portals Why Clients Choose Us: ✔ 10+ years of professional development experience ✔ Dedicated in-house team with physical office ✔ Strong experience in web, mobile, SaaS and enterprise systems ✔ Clean, scalable and secure code architecture ✔ Business-focused planning before development ✔ Clear communication and regular progress updates ✔ Milestone-based delivery and long-term support ✔ Ability to handle MVPs, complex platforms and $100K+ projects We are a strong fit for clients who need a reliable long-term technology partner for SaaS products, enterprise platforms, business automation, mobile apps and custom web systems. If you are looking for a team that can understand your business, plan the right technical solution and deliver a high-quality product, I would be happy to discuss your project and suggest the best way forward. less -
Hire diektech
Exceed Your Expectation! Let's Do It Together!! Hi, I'm Elias, founder of Reupped Technologies LLC. Most software projects don't fail because of poor development—they fail because the wrong problems are solved first. That's why every project begins by understanding your business, your users, and the workflow behind...Exceed Your Expectation! Let's Do It Together!! Hi, I'm Elias, founder of Reupped Technologies LLC. Most software projects don't fail because of poor development—they fail because the wrong problems are solved first. That's why every project begins by understanding your business, your users, and the workflow behind the idea before writing a single line of code. For more than 20 years, I've helped startups, entrepreneurs, and established businesses build software that is reliable, scalable, and designed to grow with them. Whether it's a SaaS platform, AI-powered application, mobile app, marketplace, ERP, CRM, fintech product, or custom business system, my focus is always the same: build software that solves real problems while keeping future growth in mind. My team and I handle the complete development process, including: • Product planning • UI/UX • Web development • Mobile apps • Backend architecture • API integrations • AI solutions • Cloud deployment • Long-term support What clients appreciate most isn't just our technical expertise—it's our ability to simplify complex ideas, ask the right questions, and recommend solutions that make sense for the business. If you're looking for a development partner who values communication, thoughtful planning, and long-term success just as much as clean code, I'd be happy to discuss your project. less -
Hire huylesitdn
I help startups build and improve SaaS, marketplace, and AI-powered web applications using React, Next.js, Node.js, and modern product-focused technologies. I’ve worked with founders and product teams on production systems that go far beyond basic UI implementation — including scalable frontend architecture, realtime...I help startups build and improve SaaS, marketplace, and AI-powered web applications using React, Next.js, Node.js, and modern product-focused technologies. I’ve worked with founders and product teams on production systems that go far beyond basic UI implementation — including scalable frontend architecture, realtime features, payments, dashboards, API integrations, and long-term product maintainability. My focus is not just writing clean code, but building products that are stable, fast, and easy to scale. I work across both frontend and backend development, with strong experience in: • SaaS platforms and internal dashboards • Marketplace and subscription-based applications • AI integrations and workflow automation • Realtime systems and WebSocket features • Stripe payments and third-party API integrations • Responsive, production-ready UI implementation • Performance optimization and maintainable architecture Core stack: * React / Next.js / TypeScript * Node.js / Express / PostgreSQL * Tailwind CSS * Supabase / Firebase * Stripe / OpenAI APIs * Docker / DigitalOcean / Vercel Clients usually work with me because I can: * Contribute beyond implementation * Communicate clearly and reliably * Work independently with minimal supervision * Balance fast iteration with maintainable code * Think about scalability and long-term product quality I’m comfortable joining existing products, improving unstable systems, building new features, or helping shape MVPs from the ground up. If you’re building a SaaS or product-focused platform and need a reliable engineer who understands both technical execution and product thinking, feel free to reach out. less -
Hire Herculesz
Principal / Head AI & Full-Stack Engineer with 25+ years of experience architecting, building, and scaling complex software systems across web, mobile, cloud, CMS/eCommerce, and AI-driven platforms. I specialize in delivering production-ready applications from concept to launch, including SaaS platforms, marketplaces,...Principal / Head AI & Full-Stack Engineer with 25+ years of experience architecting, building, and scaling complex software systems across web, mobile, cloud, CMS/eCommerce, and AI-driven platforms. I specialize in delivering production-ready applications from concept to launch, including SaaS platforms, marketplaces, admin dashboards, mobile applications, automation systems, APIs, CMS websites, eCommerce stores, and intelligent AI-powered workflows. I bring a strong combination of full-stack engineering, cloud architecture, DevOps, CMS/eCommerce development, and AI/LLM expertise, with a proven ability to transform complex business requirements into scalable, secure, and user-focused digital products. My experience covers frontend architecture, backend engineering, database design, third-party integrations, real-time systems, performance optimization, CI/CD, observability, and production deployment. Technical Expertise: Frontend: React, Next.js, Vue.js, TypeScript, JavaScript, Tailwind CSS, Material UI, responsive UI/UX implementation Backend: Node.js, NestJS, Express.js, Laravel, PHP, Python, REST APIs, GraphQL, microservices, server-side architecture Mobile: Flutter, React Native, Expo, iOS, Android, cross-platform mobile app development CMS & eCommerce: WordPress, WooCommerce, Shopify, Wix, Webflow, custom theme development, plugin/app integrations, payment setup, product catalogs, checkout flows, landing pages, blog systems, and SEO-friendly website architecture Databases: PostgreSQL, MySQL, MongoDB, Firebase Firestore, Supabase, Redis, database design, optimization, migrations, and data modeling Cloud & DevOps: AWS, Google Cloud, Azure, DigitalOcean, Docker, Kubernetes, Nginx, CI/CD, GitHub Actions, server deployment, monitoring, logging, and observability AI & LLMs: OpenAI API, LangChain, RAG pipelines, AI copilots, conversational agents, semantic search, embeddings, prompt engineering, fine-tuning, Pinecone, pgvector, vector databases, and agentic workflows Payments & Integrations: Stripe, PayPal, Twilio, SendGrid, Firebase, Google APIs, third-party APIs, webhooks, CRM integrations, automation platforms, and API-based business workflows I have a strong track record of designing and delivering scalable SaaS platforms, marketplace systems, mobile apps, admin dashboards, CMS websites, eCommerce stores, automation tools, and AI-driven products that support real business operations. My work combines clean frontend experiences, secure backend systems, optimized databases, cloud-ready infrastructure, flexible CMS solutions, and practical AI innovation. As a hands-on technical leader, I am experienced in mentoring engineers, leading cross-functional teams, making architecture decisions, and aligning technical execution with business goals. I am passionate about building high-quality software that is scalable, maintainable, and ready for real-world users. less -
Hire irsolutions
At IRSolutions, we deliver high-quality, scalable solutions across mobile, web, blockchain, AI, Web3, DevOps, and custom software development. With expertise in React Native, Flutter, Kotlin, Webflow, React.js, Next.js and Node.js , Next.js, Golang, we build secure, efficient, and future-ready applications tailored to...At IRSolutions, we deliver high-quality, scalable solutions across mobile, web, blockchain, AI, Web3, DevOps, and custom software development. With expertise in React Native, Flutter, Kotlin, Webflow, React.js, Next.js and Node.js , Next.js, Golang, we build secure, efficient, and future-ready applications tailored to your business needs. We offer Project Management and IT Consultation to the businesses and startups all around the World to excel in their industry. Technical Expertise Web & Full-Stack Development -CMS LMS & eCommerce: WordPress, Shopify, Magento, Extension Development, Elementor, Squarespace, Wix -Backend: PHP, Node.js, Nest.js, Python (Django, Flask), Laravel, CodeIgniter, Golang -Frontend: React.js, Next.js, Vue.js, Angular -Stacks: MERN, Full Stack - Revamp and Modify Websites Mobile App Development -Native & Cross-platform: Android, iOS, Flutter, Objective-C, Java -We deliver scalable, high-performance mobile solutions Blockchain & Web3 -Smart Contracts & DApps: Ethereum, Polygon, Base Network -P2E Games & Metaverse Development -Wallet integration (MetaMask), NFT platforms Telegram Mini-Apps -End-to-end Telegram Mini-App development for e-commerce, gaming, utilities, and financial services -Seamless integration with Telegram Wallet and TON Payments -Custom bots and automation for enhanced user interaction TON Blockchain Development -Smart contract development on TON (FunC, Solidity) -NFT Platforms, Token Launch, and DeFi Solutions on TON -Secure TON Wallet integrations for payments and transactions -Cross-platform solutions leveraging TON’s high scalability and low fees DevOps & Cloud Solutions -Cloud Platforms: AWS, Azure, Google Cloud -CI/CD & Automation: Over 5+ years managing scalable deployments AI, Machine Learning and AI Automation -AI-powered automation, NLP, ML model integration to streamline processes. We provide AI automation using n8n, Claude, HubSpot - AI App Development - AI Image & Video Engineering - Automation and AI Consultation Desktop App Development -Robust desktop apps using Java, C#, ASP.NET Databases -MySQL, PostgreSQL, MS SQL, MongoDB, Firebase, Supabase Payment Integrations - Stripe, Paypal, Mercado pago, Payoneer, - Social Media Graphics Design & Branding -UI/UX Design & Branding: Over a decade of creating user-centric designs that drive engagement and conversions - Photo Editing - Video Editing for shorts, reels, and any type of video content Marketing and SEO - We provide social media marketing and SEO services - Website Audit and SEO Consultation - SEO Content Writing and Competitors Analysis - Social Media Management & Klaviyo Email Marketing Frameworks, Tools and OS - Windows, MAC, Linux, Ubuntu - Oracle, Microsoft 365 Dynamics Why Work With Me? -One-stop solution for all your tech needs from an idea to launch -Strong focus on quality, scalability, and performance -Transparent communication and timely delivery -Flexible engagement: Hourly, Fixed-price, Long-term partnership less -
Hire AwaisChaudhry
ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers, designers, marketers, and engineers across multiple domains, allowing us to handle both software...ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers, designers, marketers, and engineers across multiple domains, allowing us to handle both software and embedded engineering projects with proven real-world experience. Our certified team combines deep technical knowledge with hands-on delivery to build fast, secure, scalable, and user-friendly solutions. Core Expertise Web & SaaS Development: Full-stack development using PHP, WordPress, Python, React, Node.js, Angular.js, Electron.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, Webflow, and custom business platforms. Website Design & UI/UX: Website Design, Web Design, Web Development, Graphic Design, Logo Design, User Interface (UI) Design, User Experience (UX) Design, Wireframing, Prototyping, Responsive Design, HTML/CSS, Squarespace, Landing Pages, and conversion-focused business websites. eCommerce: Shopify, WooCommerce, Magento, Amazon, and custom marketplace platforms with payment, shipping, ERP, and inventory integrations. Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Mobile Apps: Native and cross-platform development (Flutter, React Native, Android, iOS). AI & Computer Vision: Machine Learning, Chatbots, GPT integrations, TensorFlow, OpenCV, OCR systems, automation, and intelligent business solutions. Game Development: Unity 3D, Unreal Engine, WebGL, multiplayer games, blockchain gaming, and AR/VR experiences. Hardware & IoT (In-house Team): Electronics, Microcontrollers, PLC & SCADA, Electrical Engineering, Embedded Systems, Automation, Arduino, Raspberry Pi, ESP32, MATLAB, robotics, and control systems. Trading EA, Bots & Automation: MQL, MT4/MT5, TradingView, Binance, IBKR, algorithmic trading systems, indicators, EAs, and trading bots. Enterprise & Business Solutions: CRM systems, ERP platforms, Odoo customization, Salesforce, Microsoft Dynamics 365, SharePoint, Power BI, Power Apps, workflow automation, business process optimization, reporting dashboards, inventory management, data processing, business intelligence, and enterprise software integrations. Digital Marketing & SEO: Search Engine Optimization (SEO), Technical SEO, Keyword Research, Content Strategy, Social Media Marketing, Email Marketing, Website Optimization, Analytics, Brand Management, Content Creation, and digital growth strategies. Customer Support : Customer Support, Customer Service, Virtual Assistant Services, Call Center Operations, Telemarketing, VoIP Solutions, Asterisk, PBX , SIP With 300+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions delivered with clear communication, transparent processes, and long-term support. less -
Hire Hubready
A US-based engineering team — in business since 2008, registered in South Florida. Clients bring us in when systems become too complex, too slow, or unreliable — or when an AI idea needs to become a real, production-ready product, not just a prototype. We don't just write code — we build systems that work in the...A US-based engineering team — in business since 2008, registered in South Florida. Clients bring us in when systems become too complex, too slow, or unreliable — or when an AI idea needs to become a real, production-ready product, not just a prototype. We don't just write code — we build systems that work in the real world. We're a senior Full-Stack & AI engineering team with deep experience designing, building, and scaling production-grade software across AI automation, SaaS platforms, data pipelines, and high-volume e-commerce. We bring both an engineering and a business mindset, so what we deliver is technically sound, maintainable, and ROI-driven. ✓ What we do best – AI & Automation • LLM integrations (OpenAI, RAG pipelines, embeddings, copilots) • Intelligent workflow automation and data processing • AI-powered internal tools and dashboards • Zapier, n8n, Selenium, Python, Beautiful Soup • Stock trading algorithms/bots for Schwab, E*TRADE, and more – Backend & Data Engineering • Custom APIs and event-driven architectures • PostgreSQL at scale (partitioning, optimization, analytics) • ETL pipelines across Shopify, Salesforce, ERP, and custom systems • Node.js, Python, TypeScript – Frontend Development & UX • Modern, responsive frontends built for real users • React, Next.js, and component-driven UI architecture • Data-heavy dashboards built for performance • Clean UI/UX that balances usability, speed, and clarity – Mobile App Development • Cross-platform apps for iOS & Android • React Native, Flutter, and modern mobile stacks • Secure API integration and real-time data sync • Built for performance, stability, and growth – Cloud, DevOps & Reliability • Docker / Podman, CI/CD pipelines, secure deployments • Observability, logging, and performance tuning • Systems designed to scale without constant maintenance ✓ How we work • Clear communication and structured milestones • Production-ready code — no shortcuts or fragile builds • Proactive technical guidance when we see risks or better paths • Long-term thinking: solutions that grow with your business Working with a US company since 2008 means accountability, clear English-language communication, and a team that's still here to support what we build. If you need a senior team that can own frontend, backend, data, mobile, and AI end-to-end — and deliver clean, scalable results — let's build it right. Message us with your project and we'll tell you honestly how we'd approach it. less -
Hire visionvivante
VISION TO REALITY Preferred Freelancer by Freelancer Vision Vivante is an agency in India dedicated to transforming ideas into scalable, high-performance platforms. With a strong foundation in strategy, design, and technology, we help businesses accelerate growth, simplify complexity, and thrive in the digital...VISION TO REALITY Preferred Freelancer by Freelancer Vision Vivante is an agency in India dedicated to transforming ideas into scalable, high-performance platforms. With a strong foundation in strategy, design, and technology, we help businesses accelerate growth, simplify complexity, and thrive in the digital age. ✅ End-to-End Services: -- Product Strategy & MVP Development -- Concept-to-Launch Solutions -- Product Roadmaps, User Flows & Wireframing -- Technical Architecture & Agile Team Assembly ✅ Custom Software Development: -- Full-Stack Web & Mobile Applications -- SaaS Platforms | Marketplaces | Internal Tools -- API Integrations, DevOps, Cloud Infrastructure ✅ Tech Stack Expertise: -- Frontend: React.js, Vue.js, Next.js -- Backend: Node.js, Laravel -- Mobile: Flutter, React Native -- Database: PostgreSQL, MySQL, MongoDB -- CMS: WordPress, Shopify, Magento, Prestashop, Custom CMS -- Infra: AWS, GCP, CI/CD, Serverless ✅ E-Commerce & Business Platforms: -- Shopify, WooCommerce, Magento -- Auction & Multi-Vendor Systems -- Payment Gateway Integration (incl. Stripe, CashApp, M-Pesa, Mada, HyperPay) ✅ Enterprise & Operational Systems: -- ERP, CRM & Warehouse Management -- Stock Control, Route Planning, Payroll, Ledgers -- Driver & Customer Apps with Live Tracking ✅ Industries Served: >> E-commerce | Fintech | Logistics | Travel | Legal | Education | Real Estate | Healthcare | Fitness | Marketplaces | Social Platforms | SaaS | Pickup and Delivery | POS (Point of Sale) Why Vision Vivante? ✅ Strategy-First Execution ✅ Cross-Platform Development Experts ✅ Agile Teams & Transparent Collaboration ✅ Deep Tech + Business Understanding ✅ Global Clients in 50+ Countries ✅ Fast Turnarounds, Scalable Codebases ✅ Dedicated PMs, Engineers & Designers ✅ Flexible Engagement Models Ready to Build? From digital products to complex systems, Vision Vivante turns your vision into a living, breathing platform. Work with a team that’s technical, strategic, and obsessed with your success. Let’s explore how we can collaborate. less
