Hire the Best API Developers
in Sri Lanka

🚀 𝗚𝗹𝗼𝗯𝗮𝗹𝗹𝘆 𝗧𝗿𝘂𝘀𝘁𝗲𝗱 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | Top Rated Plus | 8+ 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 My primary tech stack includes 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 (𝗡𝗲𝘅𝘁.𝗷𝘀), 𝗮𝗻𝗱 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁, and I architect robust systems using 𝗔𝗪𝗦 𝗦𝗲𝗿𝘃𝗲𝗿𝗹𝗲𝘀𝘀 (𝗟𝗮𝗺𝗯𝗱𝗮, 𝗗𝘆𝗻𝗮𝗺𝗼𝗗𝗕, 𝗔𝗣𝗜 𝗚𝗮𝘁𝗲𝘄𝗮𝘆), 𝗚𝗖𝗣, 𝗮𝗻𝗱 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲 𝗖𝗹𝗼𝘂𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁. I'm highly focused on performance, reliability, clean code, and scalable architecture. Hi, I'm Naseef. As a 𝗙𝘂𝗹𝗹‑𝗦𝘁𝗮𝗰𝗸 𝗡𝗼𝗱𝗲.𝗷𝘀 & 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿, I specialize in developing high-performance, scalable, and cloud-native applications that solve real-world business problems. With 7+ years of hands-on experience, I build everything from 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝘄𝗲𝗯 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝘁𝗼 𝗖𝗵𝗿𝗼𝗺𝗲 𝗘𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀, delivering production-ready solutions using the latest technologies. ✅ 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: - React.js (Hooks, Context API, Redux), Next.js, Angular, Vue.js - HTML5, CSS3, JavaScript (ES6/ES7), TypeScript 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: - Node.js, Express.js, Nest.js, Fastify - Google Apps Script 𝗖𝗹𝗼𝘂𝗱 & 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: - AWS: Lambda, DynamoDB, API Gateway, S3, EC2, RDS, Cognito, Beanstalk, CloudWatch, CDK scripting - GCP & Firebase: Firestore, Cloud Functions, Cloud Storage, Firebase Auth Cloudflare: Workers, Pages, R2 - Docker, Kubernetes, GitHub Actions, Azure DevOps, Terraform, Serverless Framework 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: - PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, Supabase-io 𝗔𝗜, 𝗟𝗟𝗠𝘀 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: - OpenAI/ChatGPT Integrations, LangChain, AWS Bedrock, Google Vertex AI - RAG systems, AI chatbots, LLM-backed automation - Scraping and automation: Puppeteer, Scrapy, Playwright, Stagehand 𝗖𝗵𝗿𝗼𝗺𝗲 𝗘𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻𝘀 & 𝗜𝗼𝗧: - Chrome Extension Development - Raspberry Pi / Arduino-based automation & microservices 𝗧𝗼𝗼𝗹𝘀: Git, GitHub, Linux, Visual Studio Code, Postman, Figma, Jira, Trello 💡 𝗪𝗵𝘆 𝗛𝗶𝗿𝗲 𝗠𝗲? ✔ 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗩𝗲𝗿𝘀𝗮𝘁𝗶𝗹𝗶𝘁𝘆 I handle complete app development, frontend, backend, cloud, database, DevOps, and integration. ✔ 𝗖𝗹𝗼𝘂𝗱-𝗡𝗮𝘁𝗶𝘃𝗲 & 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 Expert in deploying AWS Serverless solutions and cloud applications on GCP & Firebase, using infrastructure-as-code and scalable architecture. ✔ 𝗢𝗽𝗲𝗻𝗔𝗜/𝗖𝗵𝗮𝘁𝗚𝗣𝗧 & 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 Proven ability to integrate LLM features, AI-driven workflows, and chatbot solutions using OpenAI, LangChain, and other GenAI tools. ✔ 𝗖𝗵𝗿𝗼𝗺𝗲 𝗘𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 Developed multiple Chrome extensions tailored to business and user needs with efficient APIs and cloud backends. ✔ 𝗦𝗮𝗮𝗦, 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 Experience building multi-tenant SaaS apps, secure payment integrations, and automated dashboards with real-time sync. ✔ 𝗧𝗲𝗮𝗺 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 & 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 Capable of working independently or leading teams. Strong communication skills and a collaborative mindset using agile methodologies. ✔ 𝗖𝗹𝗲𝗮𝗻 𝗖𝗼𝗱𝗲 & 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 I write clean, maintainable code and optimize systems for speed, stability, and cost-efficiency. 📈 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁 ✅ Enterprise Dashboard – Built with React.js & AWS Lambda, boosting efficiency by 60% ✅ Chrome Extensions – Deployed productivity tools with 20K+ active users ✅ AI Document Parser – Integrated ChatGPT/LangChain, reducing manual work by 70% ✅ Serverless Migration – Shifted to AWS Lambda/DynamoDB, cutting costs by 40% ✅ Real-Time Collaboration Tool – Built with Firebase & React, improving team output by 35% ✅ SaaS Platform – Scaled on GCP & Supabase, supporting 50K+ users ✅ Next.js E-Commerce – Enhanced SEO, reducing bounce rate by 45% ✅ Automation Bot – Puppeteer + Cloudflare stack, saving 100+ hours/month 📩 Let’s build your next product with a rock-solid tech foundation Whether you're a founder, product owner, or CTO, I’ll help you deliver modern, scalable solutions with the right tools, right strategy, and real outcomes. Let’s connect! Full Stack Developer, Node.js Developer, React.js Developer, JavaScript Developer, TypeScript Developer, AWS Lambda Developer, Serverless Architecture, GCP Developer, Firebase Developer, Chrome Extension Developer, OpenAI Developer, ChatGPT Integration, AI Integration Developer, API Developer, SaaS Developer, Web Application Developer, Backend Developer, Frontend Developer, Cloud Application Developer, Next.js Developer, DevOps Engineer, Scalable Architecture #FullStackDeveloper #Nodejs #Reactjs #Nextjs #JavaScript #TypeScript #Serverless #AWSLambda #GCP #Firebase #OpenAI #ChatGPT #WebDevelopment #CloudNative #ChromeExtension #SaaS #APIIntegration #AIIntegration #SoftwareEngineer

Hi, I have perfect experience in PHP, C#, .Net, Flutter, Laravel, MySQL, SQL Server, Azure Database, and many Frameworks associated with them. I can do high Portability and Secured Custom Software/Scripts/Apps for your need. Also I am an Expert in Amazon mws api and sp api. Feel free to Contact Me! ★ ★ ★ ★ Dropshipping Integration (Any Api Support) ★ Amazon SP API, MWS API Integration ★ Shopify Integration ★ Any API Integration ★ Scrapping ★ Payment Integration ★ Web Scripts/Console Apps ★ Web/ Desktop/ Mobile / Excel AddIn Apps ★ WordPress Plugin ★ MySQL, MSSQL, Postgress Database ★ Excel, CSV, XML ★ Cron Jobs/Scheduled Experienced In ★ Amazon, Shopify, eBay, Payplug, Passkey, TrueLayer, PayGreen, Walmart, OnBuy, BeautyFort, FedEx, USPS, UPS, GoogleSheet, etc...

I build production-ready Full Stack web applications - SaaS platforms, MVP products, eCommerce systems, and admin dashboards - using React.js, Next.js, Node.js (Express/NestJS), and Java Spring Boot. Top Rated on Upwork with a 100% Job Success Score and perfect 5.0 rating across all clients. ━━━ WHAT I BUILD FOR YOU ━━━ SaaS MVP from scratch: database design, REST API, user auth, admin dashboard, Stripe billing, deployment React / Next.js frontends: responsive UI, SSR/SSG, SEO-optimized pages, Figma-to-code, TypeScript Node.js & Spring Boot backends: secure REST APIs, role-based access control, real-time data, webhooks eCommerce & admin portals: product management, order flows, payment integration, analytics dashboards Third-party integrations: Stripe, payment gateways, OAuth, external APIs, microservices Performance optimization, bug fixes, code reviews, and long-term maintenance ━━━ TECH STACK ━━━ Frontend: React.js, Next.js, TypeScript, JavaScript (ES6+), Tailwind CSS, Redux Backend: Node.js, Express.js, NestJS, Java, Spring Boot, REST API, GraphQL Database: PostgreSQL, MySQL, MongoDB - schema design, query optimization, migrations DevOps & Cloud: Docker, AWS (EC2, S3), CI/CD pipelines, Vercel, Heroku Payments: Stripe subscriptions, one-time payments, webhooks, billing portals ━━━ HOW I WORK ━━━ Start with a short scoping call or message to lock down requirements, data model, and milestones upfront - no surprises. Deliver in milestones with check-ins so you always know progress and can course-correct early. Hand off clean, documented code. Available for post-launch support. I reply within 1 hour. Send me your requirements, wireframes, or repo and I'll respond with a clear plan, timeline, and honest risk assessment. Full stack developer | React developer | Next.js developer | Node.js developer | MERN stack developer | JavaScript developer | TypeScript developer | SaaS developer | MVP developer | Spring Boot developer | NestJS developer | API developer | eCommerce developer | Admin dashboard developer | React Next.js Node.js developer | Full stack SaaS MVP | Spring Boot REST API developer | Stripe payment integration developer | PostgreSQL Node.js developer

I have been working in the IT industry since 2011. Over the years, I have gained experience in designing websites, testing, and implementing applications using HTML, HTML5, CSS3, PHP, JavaScript, jQuery, AJAX, and WordPress (theme and plugin development). I also have experience in framework development, primarily with Laravel, CodeIgniter, and CakePHP. Additionally, I have developed eBay APIs, such as Trading, Finding, and Shopping, as well as Amazon Web Services (Amazon MWS).

𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀:: 🏆 Top Rated at Upwork (2023) 🏆 100% Job Success Rate 🏆 8+ Years in development. 🏆 35+ Successful Projects 🏆 100% Satisfied clients 🏆 Over 2000 hours of successful projects for clients worldwide 𝗦𝗸𝗶𝗹𝗹𝘀:: ❇️ Programming Languages: JavaScript, PHP , Python ❇️ Front-end: ReactJS, NextJS, Vue.js, Bootstrap ❇️ Back-end: Node.js, Laravel, MongoDB ❇️ Web Scraping: Puppeteer, Custom Chrome Extensions ❇️ Content Management Systems: WordPress ❇️ E-commerce Platforms: OpenCart, ❇️ Payment Gateway Integrations ❇️ Cloud Services: Linode, Digital Ocean, AWS (S3) ❇️ Version Control: Git/GitHub 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: 🔹𝗙𝘂𝗹𝗹-𝗧𝗶𝗺𝗲 𝗨𝗽𝘄𝗼𝗿𝗸 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 | [2012 - 2023] Maintained a top-rated status with a 100% job success rate on Upwork. Completed over 2000 hours of successful projects for clients worldwide. Demonstrated the ability to work over 30 hours per week, ensuring project success. 🔹𝗧𝗶𝗰𝗸𝗲𝘁𝗶𝗻𝗴 𝗖𝗼𝗺𝗽𝗮𝗻𝘆 | [𝟮𝟬𝟮𝟬 - 𝟮𝟬𝟮𝟯] Senior Software Developer Developed a groundbreaking ticket/event scraping product from scratch, focusing on Ticketmaster-based Events, Seats, and Tickets. Implemented advanced hacking techniques using proxies and cookies to gather event data. Delivered a production-level application that met high-quality standards. 🔹 𝗟𝗮𝘄 𝗖𝗼𝗻𝗳𝗶𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝗙𝗶𝗿𝗺 | [𝟮𝟬𝟭𝟴 - 𝟮𝟬𝟮𝟬] Web Developer Created a web scraping product targeting e-commerce platforms, including Aliexpress, Wish, Etsy, Bonanza, Alibaba, and Ecrater. Developed custom Puppeteer plugins and Chrome Extensions to detect counterfeit products resembling original brands. 🔹𝗪𝗲𝗮𝗿𝗲𝗱𝗲𝘀𝗶𝗴𝗻𝗲𝗿𝘀.𝗻𝗲𝘁 | [𝗕𝗲𝗳𝗼𝗿𝗲 𝟮𝟬𝟭𝟴] Head 𝗪𝗲𝗯/𝗔𝗣𝗜 Developer Led the development team and oversaw web and API development projects. Maintained a high standard of coding practices to ensure robust and scalable projects.