๐ ๐๐น๐ผ๐ฏ๐ฎ๐น๐น๐ ๐ง๐ฟ๐๐๐๐ฒ๐ฑ ๐๐๐น๐น-๐ฆ๐๐ฎ๐ฐ๐ธ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ | Top Rated Plus | 8+ ๐ฌ๐ฒ๐ฎ๐ฟ๐ ๐ผ๐ณ ๐๐ ๐ฝ๐ฒ๐ฟ๐ถ๐ฒ๐ป๐ฐ๐ฒ
My primary tech stack includes ๐ก๐ผ๐ฑ๐ฒ.๐ท๐, ๐ฅ๐ฒ๐ฎ๐ฐ๐.๐ท๐ (๐ก๐ฒ๐ ๐.๐ท๐), ๐ฎ๐ป๐ฑ ๐ง๐๐ฝ๐ฒ๐ฆ๐ฐ๐ฟ๐ถ๐ฝ๐, and I architect robust systems using ๐๐ช๐ฆ ๐ฆ๐ฒ๐ฟ๐๐ฒ๐ฟ๐น๐ฒ๐๐ (๐๐ฎ๐บ๐ฏ๐ฑ๐ฎ, ๐๐๐ป๐ฎ๐บ๐ผ๐๐, ๐๐ฃ๐ ๐๐ฎ๐๐ฒ๐๐ฎ๐), ๐๐๐ฃ, ๐ฎ๐ป๐ฑ ๐๐ถ๐ฟ๐ฒ๐ฏ๐ฎ๐๐ฒ ๐๐น๐ผ๐๐ฑ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐บ๐ฒ๐ป๐. I'm highly focused on performance, reliability, clean code, and scalable architecture.
Hi, I'm Naseef. As a ๐๐๐น๐นโ๐ฆ๐๐ฎ๐ฐ๐ธ ๐ก๐ผ๐ฑ๐ฒ.๐ท๐ & ๐ฅ๐ฒ๐ฎ๐ฐ๐.๐ท๐ ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ, 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 ๐ฒ๐ป๐๐ฒ๐ฟ๐ฝ๐ฟ๐ถ๐๐ฒ ๐๐ฒ๐ฏ ๐ฎ๐ฝ๐ฝ๐น๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป๐ ๐๐ผ ๐๐ต๐ฟ๐ผ๐บ๐ฒ ๐๐ ๐๐ฒ๐ป๐๐ถ๐ผ๐ป๐ ๐ฎ๐ป๐ฑ ๐๐-๐ฝ๐ผ๐๐ฒ๐ฟ๐ฒ๐ฑ ๐ฝ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ๐, delivering production-ready solutions using the latest technologies.
โ ๐ง๐ฒ๐ฐ๐ต๐ป๐ถ๐ฐ๐ฎ๐น ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ
๐๐ฟ๐ผ๐ป๐๐ฒ๐ป๐ฑ:
- React.js (Hooks, Context API, Redux), Next.js, Angular, Vue.js
- HTML5, CSS3, JavaScript (ES6/ES7), TypeScript
๐๐ฎ๐ฐ๐ธ๐ฒ๐ป๐ฑ:
- Node.js, Express.js, Nest.js, Fastify
- Google Apps Script
๐๐น๐ผ๐๐ฑ & ๐๐ป๐ณ๐ฟ๐ฎ๐๐๐ฟ๐๐ฐ๐๐๐ฟ๐ฒ:
- 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
๐๐ฎ๐๐ฎ๐ฏ๐ฎ๐๐ฒ:
- PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, Supabase-io
๐๐, ๐๐๐ ๐ & ๐๐๐๐ผ๐บ๐ฎ๐๐ถ๐ผ๐ป:
- OpenAI/ChatGPT Integrations, LangChain, AWS Bedrock, Google Vertex AI
- RAG systems, AI chatbots, LLM-backed automation
- Scraping and automation: Puppeteer, Scrapy, Playwright, Stagehand
๐๐ต๐ฟ๐ผ๐บ๐ฒ ๐๐ ๐๐ฒ๐ป๐๐ถ๐ผ๐ป๐ & ๐๐ผ๐ง:
- Chrome Extension Development
- Raspberry Pi / Arduino-based automation & microservices
๐ง๐ผ๐ผ๐น๐:
Git, GitHub, Linux, Visual Studio Code, Postman, Figma, Jira, Trello
๐ก ๐ช๐ต๐ ๐๐ถ๐ฟ๐ฒ ๐ ๐ฒ?
โ ๐๐๐น๐น-๐ฆ๐๐ฎ๐ฐ๐ธ ๐ฉ๐ฒ๐ฟ๐๐ฎ๐๐ถ๐น๐ถ๐๐
I handle complete app development, frontend, backend, cloud, database, DevOps, and integration.
โ ๐๐น๐ผ๐๐ฑ-๐ก๐ฎ๐๐ถ๐๐ฒ & ๐ฆ๐ฐ๐ฎ๐น๐ฎ๐ฏ๐น๐ฒ ๐๐ฟ๐ฐ๐ต๐ถ๐๐ฒ๐ฐ๐๐๐ฟ๐ฒ
Expert in deploying AWS Serverless solutions and cloud applications on GCP & Firebase, using infrastructure-as-code and scalable architecture.
โ ๐ข๐ฝ๐ฒ๐ป๐๐/๐๐ต๐ฎ๐๐๐ฃ๐ง & ๐๐ ๐๐ป๐๐ฒ๐ด๐ฟ๐ฎ๐๐ถ๐ผ๐ป๐
Proven ability to integrate LLM features, AI-driven workflows, and chatbot solutions using OpenAI, LangChain, and other GenAI tools.
โ ๐๐ต๐ฟ๐ผ๐บ๐ฒ ๐๐ ๐๐ฒ๐ป๐๐ถ๐ผ๐ป ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐บ๐ฒ๐ป๐
Developed multiple Chrome extensions tailored to business and user needs with efficient APIs and cloud backends.
โ ๐ฆ๐ฎ๐ฎ๐ฆ, ๐-๐๐ผ๐บ๐บ๐ฒ๐ฟ๐ฐ๐ฒ & ๐๐๐๐ผ๐บ๐ฎ๐๐ถ๐ผ๐ป
Experience building multi-tenant SaaS apps, secure payment integrations, and automated dashboards with real-time sync.
โ ๐ง๐ฒ๐ฎ๐บ ๐๐ฒ๐ฎ๐ฑ๐ฒ๐ฟ๐๐ต๐ถ๐ฝ & ๐๐ผ๐บ๐บ๐๐ป๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป
Capable of working independently or leading teams. Strong communication skills and a collaborative mindset using agile methodologies.
โ ๐๐น๐ฒ๐ฎ๐ป ๐๐ผ๐ฑ๐ฒ & ๐ฃ๐ฒ๐ฟ๐ณ๐ผ๐ฟ๐บ๐ฎ๐ป๐ฐ๐ฒ ๐ข๐ฝ๐๐ถ๐บ๐ถ๐๐ฎ๐๐ถ๐ผ๐ป
I write clean, maintainable code and optimize systems for speed, stability, and cost-efficiency.
๐ ๐ฃ๐ฟ๐ผ๐๐ฒ๐ป ๐ฅ๐ฒ๐๐๐น๐
โ Enterprise Dashboard โ Built with React.js & AWS Lambda, boosting efficiency by 60%
โ Chrome Extensions โ Deployed productivity tools with 20K+ active users
โ AI Document Parser โ Integrated ChatGPT/LangChain, reducing manual work by 70%
โ Serverless Migration โ Shifted to AWS Lambda/DynamoDB, cutting costs by 40%
โ Real-Time Collaboration Tool โ Built with Firebase & React, improving team output by 35%
โ SaaS Platform โ Scaled on GCP & Supabase, supporting 50K+ users
โ Next.js E-Commerce โ Enhanced SEO, reducing bounce rate by 45%
โ Automation Bot โ Puppeteer + Cloudflare stack, saving 100+ hours/month
๐ฉ Letโs build your next product with a rock-solid tech foundation
Whether you're a founder, product owner, or CTO, Iโll help you deliver modern, scalable solutions with the right tools, right strategy, and real outcomes. Letโs 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
React
JavaScript
Node.js
MySQL
API
Next.js
Web Development
TypeScript
Web Application
Front-End Development
CSS
API Integration
PostgreSQL
HTML
HTML5
Sandaruwan J.
Kurunegala, Sri Lanka
$15/hr
5.0
8 jobs
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.
โโโ WHAT I BUILD FOR YOU โโโ
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
โโโ TECH STACK โโโ
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
โโโ HOW I WORK โโโ
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
React
JavaScript
TypeScript
NestJS
Spring Boot
REST API
PostgreSQL
MongoDB
Docker
Amazon Web Services
Stripe
Full-Stack Development
Front-End Development
Back-End Development
Java
Next.js
ExpressJS
Minimum Viable Product
SaaS
MERN Stack
Eshana S.
Hanwella, Sri Lanka
$8/hr
4.6
7 jobs
I'm Application Developer at Srilankan IT company. I'm Power Apps, Power Automate & Front End Web Developer with 4+ experience in building small Websites.
React
JavaScript
HTML5
CSS
Node.js
MySQL
PHP
C#
GitHub
Microsoft Power Automate
Microsoft SharePoint
Microsoft PowerApps
Front-End Development
Low Code & RAD Software
Web Development
Sathursan K.
Vavuniya, Sri Lanka
$10/hr
4.5
4 jobs
As a software engineer with 4 years of experience, I have a strong foundation in web development and experience working with modern technologies such as React.js, Node.js, Laravel, MySQL and MongoDB. I am proficient in web3.js and have experience building blockchain applications. I am also experienced in using AWS for cloud computing and deployment. Currently working with Claude code, codex and deliver projects
React
JavaScript
Python
Java
SQL
MongoDB
PHP
Ionic Framework
Angular 6
Android App Development
Poojani P.
Colombo, Sri Lanka
$20/hr
5.0
1 jobs
Full Stack Developer and Web Developer specializing in JavaScript, React, Node.js, and scalable Web Application architecture.
If you're building a SaaS platform, marketplace, or custom system, you donโt just need code โ you need clean architecture, reliable backend logic, and a frontend that performs under real usage.
As a React Developer, .NET Developer, and Backend Developer, I design and build high-performance systems using JavaScript, React.js, Next.js, Node.js, Python, Java, C#, and .NET technologies. I work across frontend, backend, and database layers to deliver complete Full-Stack Development solutions.
Over the past 8+ years, Iโve delivered 60+ projects across SaaS, HealthTech, Fintech, enterprise systems, and marketplace platforms.
๐งฉ What I Do
โข SaaS Development: Build scalable SaaS platforms using JavaScript, React, Node.js, Next.js, and TypeScript designed for long-term growth.
โข Full-Stack Development: End-to-end Web Application development โ frontend, backend, database, and deployment.
โข Backend Development: RESTful API design and API Integration using Node.js, Python, Java, C#, and .NET (ASP.NET) frameworks.
โข Front End Development: Responsive interfaces built with HTML5, CSS, JavaScript, React.js, Angular, and Vue.js.
โข Mobile App Development: React Native Developer building cross-platform iOS and Android apps connected to secure backend systems.
โข WordPress Development: Custom WordPress Developer solutions, CMS architecture, and performance optimization.
โข Cloud & Infrastructure: Amazon Web Services deployment, CI/CD pipelines, and scalable production environments.
๐ Skills & Stack
Frontend
React, React.js, Next.js, JavaScript, TypeScript, HTML, HTML5, CSS, Responsive Design, Angular, Vue.js
Backend
Node.js, ExpressJS, Python, Java, C#, .NET, ASP.NET, PHP, Laravel, RESTful API, API Integration
Databases
MongoDB, PostgreSQL, MySQL, MariaDB
Mobile
React Native Developer, Mobile App Developer
CMS & Platforms
WordPress, WordPress Developer
Cloud
Amazon Web Services, CI/CD
๐ Results
Across 60+ Full-Stack Development projects:
โข Scaled SaaS platforms to 50K+ active users
โข Delivered complex Web Applications in 4โ8 weeks
โข Improved performance by 40โ65%
โข Reduced infrastructure costs by 30% through backend optimization
โข Built dashboards processing 1M+ records
โข Launched cross-platform mobile apps with unified backend systems
Clients typically accelerate development cycles by 2โ4ร while reducing long-term engineering rework.
Whether you need a Full Stack Developer, Web Developer, Backend Developer, React Developer, .NET Developer, C# Developer, Angular Developer, Python Developer, Java Developer, WordPress Developer, Mobile App Developer, or React Native Developer, I help you build systems that scale โ not just features that work temporarily.
React Native
React
JavaScript
MongoDB
Python
WordPress
HTML5
CSS
Vue.js
NodeJS Framework
TypeScript
ExpressJS
API Integration
Next.js
Web Development
.NET Framework
Kulunu S.
Delgoda, Sri Lanka
$10/hr
4.8
7 jobs
You need a fast, scalable web application with a flawless user experience; not just another generic website.
Whether you are building a modern SaaS dashboard, integrating complex APIs, or developing AI-powered web tools, the success of your project comes down to a clean, responsive, and highly optimized front-end. That is exactly what I deliver.
I specialize in building dynamic, high-performance web applications using React.js and Next.js. My focus is on writing clean, maintainable code that bridges the gap between powerful backend systems and sleek, modern user interfaces.
How I can help your project succeed:
- SaaS & Dashboard Development: Crafting modern, minimalist UIs (including dark-theme architectures) that keep users engaged and make complex data easy to understand.
- Seamless API & AI Integrations: Connecting front-end interfaces to robust backends, third-party REST APIs, or advanced cloud and AI services (like Azure AI and custom LLM integrations) without sacrificing speed.
- Performance Optimization: Utilizing Next.js and TypeScript to ensure your application loads instantly and scales effortlessly as your user base grows.
- Reliable Delivery: Clear communication, adherence to modern agile workflows, and a commitment to delivering bug-free features on time.
My Core Tech Stack:
- Front-End: React.js, Next.js, TypeScript, Tailwind CSS, JavaScript (ES6+)
- Back-End & APIs: Node.js, Python, Express.js, RESTful API Development, PostgreSQL, MongoDB
- Cloud & DevOps: Vercel, AWS, Git, Azure
I hold a First Class BEng(Hons) in Software Engineering, which means I don't just write code; I engineer solutions built on solid architectural principles.
Letโs turn your complex requirements into a seamless, high-performing web application. Send me a message, and let's discuss the technical roadmap for your project today.
React
JavaScript
Web Development
Node.js
TypeScript
Next.js
MongoDB
Web Application
API
CSS
API Integration
HTML
PostgreSQL
SQL
MySQL
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