API Integration Experts For Hire
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Hire sagar12222
بِسْمِ اللهِ الرَّحْمٰنِ الرَّحِيْمِ My name is SAGAR AHMAD. 100% Honest Freelancer ✨10+ years of experience✨ I am an expert on this web Designing, programming and developing world. Also, I have gathered vast knowledge about using coding, designing, markup languages and other things that are related to this sector....بِسْمِ اللهِ الرَّحْمٰنِ الرَّحِيْمِ My name is SAGAR AHMAD. 100% Honest Freelancer ✨10+ years of experience✨ I am an expert on this web Designing, programming and developing world. Also, I have gathered vast knowledge about using coding, designing, markup languages and other things that are related to this sector. I am always updated with new string of coding and browser compatibility. I love learning and implementing according to time. On time Percentage of jobs completed by the agreed deadline 96% On budget Percentage of jobs completed by the agreed price 97% FEATURED REVIEW: Sagar was very professional and flexible in his approach towards the project, completed things before time, understood requirements very clearly and was supportive during the entire project journey. great work by Sagar. Definitely recommended for projects. Anoop. What Makes Me The Best Choice for your project? ✨Creativity ✨Experience ✨Fast & Reliable Delivery ✨Complete Design Copyright to the Client ✨Completed 100+ Project's ✨24/7 Support ✨See my skills ✨ ✨Expert Frontend developer✨ HTML5/CSS , Figma/Adobe XD/PSD to HTML5 , Bootstrap , Landing Page Design python, React.js , Next.js , Angular , JavaScript , Vue.js , Nest.js , Typescript , Tailwind Logo Designing , Graphics Designing ✨Expert Backend developer✨ Node.js , DJANGO ✨Expert PHP developer✨ PHP , API Development && RESTful APIs , Wordpress && Theme Customization Laravel , Codeigniter , Symfony , WooCommerce , Shopify store setup Chatbot , Malware removal , Website speed optimization , ERP ✨SEO Expert✨ ✨Expert DataBase Developer✨ Data Management SaaS Development , MongoDB , Postgres , MYSQL ✨App✨ Flutter React Native Android ✨Another tech✨ Server Migration , Server Configuration , Networking Security and Setup AWS , Github, Bitbucket, Gitlab Trello, Jira Fulfilling clients need: I have always satisfied my past clients with my work. Thats why all of them gave me a five-star rating which of course is a huge achievement for me. They also recommended me for web programming projects. I always meet deadlines. Never hesitate to make the best use of my skill and knowledge in order to complete a project successfully. I believe I would be the best person in your project, and I am waiting for a positive response from you very soon. I am active on the internet. Thank you in advance for your time and consideration. regards, SAGAR AHMAD less -
Hire graphicaa
Welcome to STALLIONi Net Solutions — a trusted web development team with 18+ years of experience and 900+ reviews on Freelancer.com. We build digital solutions that work — on time, on budget, and exactly as promised. What We Do: • Web Design & Development — HTML, CSS, JavaScript, ReactJS, AngularJS • Backend...Welcome to STALLIONi Net Solutions — a trusted web development team with 18+ years of experience and 900+ reviews on Freelancer.com. We build digital solutions that work — on time, on budget, and exactly as promised. What We Do: • Web Design & Development — HTML, CSS, JavaScript, ReactJS, AngularJS • Backend Development — PHP, Laravel, CodeIgniter, Node.js • CMS & eCommerce — WordPress, Shopify, Magento, Joomla • CRM & Automation — Zoho CRM, GoHighLevel, Zapier, QuickBase • Mobile Apps — iOS & Android (native & cross-platform) • AI & Python — Chatbot development & smart integrations • Graphic Design — Branding, UI/UX, digital assets Whether you're launching a new product, scaling an existing platform, or automating your business workflows — we bring the technical depth and communication skills to get it done right. Let's build something great together. + Team STALLIONi less -
Hire AsimJaved706
AsimJaved706 AsimJaved706
$25 USD / hour
Full Stack Developer | Scalable SaaS & AI/Web AppsPakistanTOP-RATED | 5.0 Stars | 100% On Time & On Budget | AI & Automation Specialist Are you losing hours to repetitive tasks, slow workflows, or outdated systems? I build intelligent AI-powered solutions that save time, cut costs, and scale your business — fast. With 5+ years of hands-on experience, I have helped 30+...TOP-RATED | 5.0 Stars | 100% On Time & On Budget | AI & Automation Specialist Are you losing hours to repetitive tasks, slow workflows, or outdated systems? I build intelligent AI-powered solutions that save time, cut costs, and scale your business — fast. With 5+ years of hands-on experience, I have helped 30+ clients across the globe automate their operations, launch high-performance web platforms, and integrate cutting-edge AI into their products. WHAT I SPECIALIZE IN: AI & LLM Automation – ChatGPT / GPT-4 / OpenAI API integrations – LangChain, AI agents, and intelligent chatbots (Slack, WhatsApp, Telegram) – n8n workflow automation: Stripe, Mailchimp, CRMs, ERPs, and more – Custom AI-powered APIs and backend systems Full Stack Web Development – Laravel, PHP, Python (Django/Flask), Node.js – SaaS platforms, dashboards, booking systems, marketplaces – RESTful APIs & third-party integrations (Stripe, PayPal, Xero, Odoo) Cloud & DevOps (AWS) – EC2, Lambda, RDS, S3 — scalable and cost-optimized – CI/CD pipelines with GitHub Actions – Infrastructure as Code (Terraform, CloudFormation) CMS & E-Commerce – WordPress, WooCommerce, Shopify – Payment gateways: Stripe, PayPal, Razorpay, Google Pay WHY CLIENTS CHOOSE ME: – 5-star reviews & Preferred Freelancer badge – 100% on-time and on-budget delivery track record – Clear communication — you're never left in the dark – Clean, maintainable, and scalable code – AI-first mindset: I don't just code, I solve real business problems Recent wins: → Automated Stripe-to-Mailchimp workflows saving hours of manual work → Built Odoo-to-Xero integration using n8n for seamless accounting sync → Developed AI chatbots deployed on WhatsApp & Telegram for 24/7 client support → Launched full e-commerce platforms with custom payment flows Ready to save time and grow faster? Send me a message — I respond within hours and offer a FREE 15-minute consultation to discuss your project. 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 Guptapuru304
Top 1% on Freelancer.com | 200+ Clients | 8+ Years of Experience | Proven Record of Top-Rated Results End-to-End Expert in AI-First Product Development, Automation, Web Platforms & Intelligent Systems ⚡⚡ All-in-One Solution Provider ⚡⚡ AI, LLMs, RAG Systems, Web Development, Automation, Data Mining, n8n Workflows,...Top 1% on Freelancer.com | 200+ Clients | 8+ Years of Experience | Proven Record of Top-Rated Results End-to-End Expert in AI-First Product Development, Automation, Web Platforms & Intelligent Systems ⚡⚡ All-in-One Solution Provider ⚡⚡ AI, LLMs, RAG Systems, Web Development, Automation, Data Mining, n8n Workflows, and Scalable Applications ⚡ Goals & Motivation - Customer-Centric Delivery: Outcomes designed to meet real-world needs and exceed expectations - AI-First Thinking: Architecting modern products around intelligence, adaptability, and automation - Uncompromised Quality: Robust, scalable, maintainable engineering — every time - Transparent Collaboration: Build trust through clarity, ownership, and iteration - Value-Driven Pricing: Competitive rates without compromising on execution ⚡ AI & LLM Integration - Building intelligent assistants and AI-native UIs using OpenAI, Claude, and open-source LLMs - Implementing Retrieval-Augmented Generation (RAG) systems for real-time, context-aware knowledge retrieval - Building secure and private LLM endpoints using FastAPI + Vector DBs (Pinecone, Weaviate, Qdrant) ⚡ Automation & Workflows - Advanced n8n workflows for event-driven automation and SaaS orchestration - Business logic pipelines, ETL processes, and intelligent job routing ⚡ Full-Stack Development - Web apps using Next.js, React, and Tailwind - Backend APIs using Django, Flask, FastAPI, Laravel ⚡ API, Auth, and Integrations - REST/GraphQL APIs, OAuth2, and secure integrations with Stripe, Slack, HubSpot, Notion, Firebase, and more ⚡ Data Mining & Intelligence - Web scraping, enrichment, lead gen automation, and structured data pipelines - ML-driven classification, anomaly detection, clustering, and recommender systems using scikit-learn and HuggingFace Transformers ⚡ AI-Enabled SaaS & DevOps - Cloud-native architecture on GCP/AWS - Production-grade deployment with Docker, Kubernetes, CI/CD, and observability Let's build something intelligent, scalable, and impactful. -> Ready to start? Drop a message and let's chat. 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 CVInfotech
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...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. 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 umairdev101
I build custom backend systems, APIs, and full stack web applications for businesses that need something more than a template site, complex Laravel platforms, third-party integrations, payment systems, and scalable architecture built to handle real users and real traffic. Where I add the most value: ⭐ Laravel & PHP...I build custom backend systems, APIs, and full stack web applications for businesses that need something more than a template site, complex Laravel platforms, third-party integrations, payment systems, and scalable architecture built to handle real users and real traffic. Where I add the most value: ⭐ Laravel & PHP Backend Development Custom systems, subscription and payment logic, admin panels, and API integrations built for security, performance, and long-term maintainability. ⭐ API Development & Third-Party Integrations Custom API builds, REST integrations, Stripe/PayPal payment flows, and automation between platforms that need to talk to each other reliably. ⭐ Full Stack Development (Laravel, React, Next.js) End-to-end builds, from database architecture through to a fast, responsive frontend. ⭐ WordPress & CMS Systems (when the project calls for it) Custom theme and plugin development, complex membership/subscription logic, and performance troubleshooting for sites that need more than off-the-shelf solutions. Why clients keep coming back: Several of my long-term clients (visible in my reviews) have hired me repeatedly across multiple projects because I take ownership of the problem, communicate clearly through the build, and deliver systems that hold up after launch, not just at delivery. I'm selective about the projects I take on so I can give each one real attention. If you're looking for a developer to build or fix something technically substantial, let's talk about your project. 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
