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Naseef Athaur R.

Mawanella, Sri Lanka

$60/hr
5.0
59 jobs

๐Ÿš€ ๐—š๐—น๐—ผ๐—ฏ๐—ฎ๐—น๐—น๐˜† ๐—ง๐—ฟ๐˜‚๐˜€๐˜๐—ฒ๐—ฑ ๐—™๐˜‚๐—น๐—น-๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ | Top Rated Plus | 8+ ๐—ฌ๐—ฒ๐—ฎ๐—ฟ๐˜€ ๐—ผ๐—ณ ๐—˜๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ My primary tech stack includes ๐—ก๐—ผ๐—ฑ๐—ฒ.๐—ท๐˜€, ๐—ฅ๐—ฒ๐—ฎ๐—ฐ๐˜.๐—ท๐˜€ (๐—ก๐—ฒ๐˜…๐˜.๐—ท๐˜€), ๐—ฎ๐—ป๐—ฑ ๐—ง๐˜†๐—ฝ๐—ฒ๐—ฆ๐—ฐ๐—ฟ๐—ถ๐—ฝ๐˜, and I architect robust systems using ๐—”๐—ช๐—ฆ ๐—ฆ๐—ฒ๐—ฟ๐˜ƒ๐—ฒ๐—ฟ๐—น๐—ฒ๐˜€๐˜€ (๐—Ÿ๐—ฎ๐—บ๐—ฏ๐—ฑ๐—ฎ, ๐——๐˜†๐—ป๐—ฎ๐—บ๐—ผ๐——๐—•, ๐—”๐—ฃ๐—œ ๐—š๐—ฎ๐˜๐—ฒ๐˜„๐—ฎ๐˜†), ๐—š๐—–๐—ฃ, ๐—ฎ๐—ป๐—ฑ ๐—™๐—ถ๐—ฟ๐—ฒ๐—ฏ๐—ฎ๐˜€๐—ฒ ๐—–๐—น๐—ผ๐˜‚๐—ฑ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜. I'm highly focused on performance, reliability, clean code, and scalable architecture. Hi, I'm Naseef. As a ๐—™๐˜‚๐—น๐—นโ€‘๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐—ก๐—ผ๐—ฑ๐—ฒ.๐—ท๐˜€ & ๐—ฅ๐—ฒ๐—ฎ๐—ฐ๐˜.๐—ท๐˜€ ๐—˜๐—ป๐—ด๐—ถ๐—ป๐—ฒ๐—ฒ๐—ฟ, 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 ๐—ฒ๐—ป๐˜๐—ฒ๐—ฟ๐—ฝ๐—ฟ๐—ถ๐˜€๐—ฒ ๐˜„๐—ฒ๐—ฏ ๐—ฎ๐—ฝ๐—ฝ๐—น๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€ ๐˜๐—ผ ๐—–๐—ต๐—ฟ๐—ผ๐—บ๐—ฒ ๐—˜๐˜…๐˜๐—ฒ๐—ป๐˜€๐—ถ๐—ผ๐—ป๐˜€ ๐—ฎ๐—ป๐—ฑ ๐—”๐—œ-๐—ฝ๐—ผ๐˜„๐—ฒ๐—ฟ๐—ฒ๐—ฑ ๐—ฝ๐—น๐—ฎ๐˜๐—ณ๐—ผ๐—ฟ๐—บ๐˜€, delivering production-ready solutions using the latest technologies. โœ… ๐—ง๐—ฒ๐—ฐ๐—ต๐—ป๐—ถ๐—ฐ๐—ฎ๐—น ๐—˜๐˜…๐—ฝ๐—ฒ๐—ฟ๐˜๐—ถ๐˜€๐—ฒ ๐—™๐—ฟ๐—ผ๐—ป๐˜๐—ฒ๐—ป๐—ฑ: - React.js (Hooks, Context API, Redux), Next.js, Angular, Vue.js - HTML5, CSS3, JavaScript (ES6/ES7), TypeScript ๐—•๐—ฎ๐—ฐ๐—ธ๐—ฒ๐—ป๐—ฑ: - Node.js, Express.js, Nest.js, Fastify - Google Apps Script ๐—–๐—น๐—ผ๐˜‚๐—ฑ & ๐—œ๐—ป๐—ณ๐—ฟ๐—ฎ๐˜€๐˜๐—ฟ๐˜‚๐—ฐ๐˜๐˜‚๐—ฟ๐—ฒ: - 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 ๐——๐—ฎ๐˜๐—ฎ๐—ฏ๐—ฎ๐˜€๐—ฒ: - PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, Supabase-io ๐—”๐—œ, ๐—Ÿ๐—Ÿ๐— ๐˜€ & ๐—”๐˜‚๐˜๐—ผ๐—บ๐—ฎ๐˜๐—ถ๐—ผ๐—ป: - OpenAI/ChatGPT Integrations, LangChain, AWS Bedrock, Google Vertex AI - RAG systems, AI chatbots, LLM-backed automation - Scraping and automation: Puppeteer, Scrapy, Playwright, Stagehand ๐—–๐—ต๐—ฟ๐—ผ๐—บ๐—ฒ ๐—˜๐˜…๐˜๐—ฒ๐—ป๐˜€๐—ถ๐—ผ๐—ป๐˜€ & ๐—œ๐—ผ๐—ง: - Chrome Extension Development - Raspberry Pi / Arduino-based automation & microservices ๐—ง๐—ผ๐—ผ๐—น๐˜€: Git, GitHub, Linux, Visual Studio Code, Postman, Figma, Jira, Trello ๐Ÿ’ก ๐—ช๐—ต๐˜† ๐—›๐—ถ๐—ฟ๐—ฒ ๐— ๐—ฒ? โœ” ๐—™๐˜‚๐—น๐—น-๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐—ฉ๐—ฒ๐—ฟ๐˜€๐—ฎ๐˜๐—ถ๐—น๐—ถ๐˜๐˜† I handle complete app development, frontend, backend, cloud, database, DevOps, and integration. โœ” ๐—–๐—น๐—ผ๐˜‚๐—ฑ-๐—ก๐—ฎ๐˜๐—ถ๐˜ƒ๐—ฒ & ๐—ฆ๐—ฐ๐—ฎ๐—น๐—ฎ๐—ฏ๐—น๐—ฒ ๐—”๐—ฟ๐—ฐ๐—ต๐—ถ๐˜๐—ฒ๐—ฐ๐˜๐˜‚๐—ฟ๐—ฒ Expert in deploying AWS Serverless solutions and cloud applications on GCP & Firebase, using infrastructure-as-code and scalable architecture. โœ” ๐—ข๐—ฝ๐—ฒ๐—ป๐—”๐—œ/๐—–๐—ต๐—ฎ๐˜๐—š๐—ฃ๐—ง & ๐—”๐—œ ๐—œ๐—ป๐˜๐—ฒ๐—ด๐—ฟ๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€ Proven ability to integrate LLM features, AI-driven workflows, and chatbot solutions using OpenAI, LangChain, and other GenAI tools. โœ” ๐—–๐—ต๐—ฟ๐—ผ๐—บ๐—ฒ ๐—˜๐˜…๐˜๐—ฒ๐—ป๐˜€๐—ถ๐—ผ๐—ป ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ Developed multiple Chrome extensions tailored to business and user needs with efficient APIs and cloud backends. โœ” ๐—ฆ๐—ฎ๐—ฎ๐—ฆ, ๐—˜-๐—–๐—ผ๐—บ๐—บ๐—ฒ๐—ฟ๐—ฐ๐—ฒ & ๐—”๐˜‚๐˜๐—ผ๐—บ๐—ฎ๐˜๐—ถ๐—ผ๐—ป Experience building multi-tenant SaaS apps, secure payment integrations, and automated dashboards with real-time sync. โœ” ๐—ง๐—ฒ๐—ฎ๐—บ ๐—Ÿ๐—ฒ๐—ฎ๐—ฑ๐—ฒ๐—ฟ๐˜€๐—ต๐—ถ๐—ฝ & ๐—–๐—ผ๐—บ๐—บ๐˜‚๐—ป๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป Capable of working independently or leading teams. Strong communication skills and a collaborative mindset using agile methodologies. โœ” ๐—–๐—น๐—ฒ๐—ฎ๐—ป ๐—–๐—ผ๐—ฑ๐—ฒ & ๐—ฃ๐—ฒ๐—ฟ๐—ณ๐—ผ๐—ฟ๐—บ๐—ฎ๐—ป๐—ฐ๐—ฒ ๐—ข๐—ฝ๐˜๐—ถ๐—บ๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป I write clean, maintainable code and optimize systems for speed, stability, and cost-efficiency. ๐Ÿ“ˆ ๐—ฃ๐—ฟ๐—ผ๐˜ƒ๐—ฒ๐—ป ๐—ฅ๐—ฒ๐˜€๐˜‚๐—น๐˜ โœ… Enterprise Dashboard โ€“ Built with React.js & AWS Lambda, boosting efficiency by 60% โœ… Chrome Extensions โ€“ Deployed productivity tools with 20K+ active users โœ… AI Document Parser โ€“ Integrated ChatGPT/LangChain, reducing manual work by 70% โœ… Serverless Migration โ€“ Shifted to AWS Lambda/DynamoDB, cutting costs by 40% โœ… Real-Time Collaboration Tool โ€“ Built with Firebase & React, improving team output by 35% โœ… SaaS Platform โ€“ Scaled on GCP & Supabase, supporting 50K+ users โœ… Next.js E-Commerce โ€“ Enhanced SEO, reducing bounce rate by 45% โœ… Automation Bot โ€“ Puppeteer + Cloudflare stack, saving 100+ hours/month ๐Ÿ“ฉ Letโ€™s build your next product with a rock-solid tech foundation Whether you're a founder, product owner, or CTO, Iโ€™ll help you deliver modern, scalable solutions with the right tools, right strategy, and real outcomes. Letโ€™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

  • Web Application
  • CSS
  • HTML
  • JavaScript
  • Node.js
  • React
  • MySQL
  • API
  • Next.js
  • Web Development
  • TypeScript
  • Front-End Development
  • API Integration
  • PostgreSQL
  • HTML5
Ravindu S.

Polonnaruwa, Sri Lanka

$20/hr
4.4
10 jobs

Senior Flutter Developer | Building High-Quality Android & iOS Apps I help startups and businesses build fast, scalable, and production-ready Flutter applications with clean UI, reliable backend integration, and smooth user experiences. Currently, I work as a Mobile & Web Developer at McLarens Group of Companies, where I develop enterprise applications used by 1,000+ active users. I've also successfully delivered multiple projects on Upwork, earning long-term client relationships through quality work, clear communication, and on-time delivery. My expertise includes: ๐Ÿ“ฑ Flutter Mobile App Development โ€ข Cross-platform Android & iOS applications โ€ข Figma/XD to pixel-perfect Flutter UI โ€ข Feature development and bug fixing โ€ข Performance optimization โ€ข Responsive layouts โ€ข State Management (Provider, Riverpod) ๐Ÿ”ฅ Firebase & Backend Integration โ€ข Firebase Authentication โ€ข Firestore & Realtime Database โ€ข Firebase Cloud Messaging (Push Notifications) โ€ข Cloud Storage โ€ข REST API Integration โ€ข Secure JWT Authentication ๐ŸŒ Advanced Mobile Features โ€ข Google Maps & Location Services โ€ข Payment Gateway Integration โ€ข AI-powered Features & OpenAI Integration โ€ข Real-time Updates โ€ข Image Uploads & Media Handling โ€ข Offline Support ๐Ÿš€ Deployment & Maintenance โ€ข Google Play Store Publishing โ€ข Apple App Store Deployment โ€ข TestFlight Distribution โ€ข App Updates & Release Management โ€ข Store Compliance & Review Fixes ๐Ÿ’ป Backend & Web Development โ€ข Node.js & Express.js โ€ข React โ€ข PostgreSQL, MySQL & MongoDB โ€ข Admin Dashboards โ€ข REST API Development Why clients work with me: โœ… Production apps serving 1,000+ active users โœ… Enterprise development experience โœ… Clean, scalable, and maintainable code โœ… Fast communication and reliable delivery โœ… Long-term support after project completion โœ… Strong focus on quality and user experience Tech Stack: Flutter โ€ข Dart โ€ข Firebase โ€ข REST APIs โ€ข Node.js โ€ข Express.js โ€ข React โ€ข PostgreSQL โ€ข MySQL โ€ข MongoDB โ€ข AI Integration โ€ข AWS โ€ข Git Whether you need a new Flutter application, additional features, Firebase integration, backend APIs, AI-powered functionality, or help publishing your app to the App Store or Google Play, I'm ready to help. ๐Ÿ“ฉ Send me a message, and let's build something exceptional together.

  • Web Application
  • App Development
  • HTML
  • Android App Development
  • iOS Development
  • Web Development
  • Flutter
  • Dart
  • PHP
  • CSS 3
  • JavaScript
  • React
  • Bootstrap
  • Firebase
  • Firebase Realtime Database
  • AWS CloudTrail
  • AWS Cloud9
  • Amazon Web Services
  • React Native
  • Python
Gallath Ralalage Dinuka S.

Nittambuwa, Sri Lanka

$15/hr
5.0
54 jobs

Hello Upwork Community! We are an experienced team of 50+ professional Software engineers, UI/UX engineers, Business analysts, Project Managers and Quality assurance engineers. We have over 5 years of expertise in the IT field, having developed websites and mobile applications. We create mobile applications and websites from scratch for individuals, small businesses, and corporations. We provide solutions in various industries including e-commerce, e-learning, banking, hospitality, booking platforms, and government projects. Whether it is a simple website or a complex solution like cloud cloud-based ERP system our team has the potential to deliver it. What our tech stack is? Front-end Development CSS/SCSS, HTML, JavaScript React JS Vue.js Angular Mobile Development Flutter React Native Swift Kotlin Backend Development PHP - Laravel Java - Spring Boot Python - Django NodeJS - Express Databases Firebase MYSQL, PostgreSQL MongoDB Other Power BI for dashboard design Adobe XD Figma Styling Tailwind CSS Ant Design Framer Motion Material-UI Our goal is to assist you in developing a website that goes above and beyond your expectations.For a free consultation, contact us right now!

  • Web Application
  • Web Development
  • Website
  • Web Portal
  • Website to Mobile App Conversion
  • Ecommerce Website Development
  • Corporate Website
  • Mobile App
  • Mobile App Development
  • Node.js
  • React
  • Spring Boot
  • Business Analysis
  • Microservice
  • Full-Stack Development
MOHAMED NAHAS N.

Puttalam, Sri Lanka

$35/hr
4.9
129 jobs

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).

  • Web Application
  • API Integration
  • PHP
  • WooCommerce
  • jQuery
  • API
  • Shopify Apps
  • AJAX
  • eBay API
  • RESTful API
  • eBay Web Services
  • OAuth
  • API Development
  • JSON
Dimuthu K.

Embilipitiya, Sri Lanka

$14/hr
5.0
4 jobs

Senior Software EngineerHello! I'm Dimuthu, a seasoned software engineer specializing in backend development with over 7+ years of experience. I craft robust, scalable, and high-performance web applications using Node.js, PHP, and Laravel. ๐Ÿ”ง What I Do Best Backend Development: Designing and implementing RESTful APIs and GraphQL services to power modern web applications. Full-Stack Solutions: Building end-to-end applications with a focus on seamless integration between frontend and backend. Database Architecture: Structuring and optimizing databases (MySQL, PostgreSQL, MongoDB) for performance and scalability. Cloud Deployment: Deploying applications on cloud platforms like AWS, DigitalOcean, and Heroku, ensuring reliability and scalability. Code Quality & Testing: Writing clean, maintainable code with comprehensive unit and integration tests to ensure software reliability. โœ… Why Work With Me? Proven Expertise: Extensive experience in delivering high-quality software solutions across various industries. Client-Centric Approach: Committed to understanding your business needs and delivering solutions that align with your goals. Clear Communication: Regular updates and transparent communication throughout the project lifecycle. Timely Delivery: Dedicated to meeting deadlines without compromising on quality. Let's collaborate to bring your ideas to life with efficient and scalable software solutions.

  • Laravel
  • Node.js
  • MERN Stack
  • Payment Gateway
  • RESTful API
  • GraphQL
  • MySQL
  • PostgreSQL
  • MVC Framework
  • Clean Architecture
  • Ecommerce
  • Back-End Development
  • GitHub
  • Docker
  • Socket.io
Reshan R.

Dehiwala, Sri Lanka

$10/hr
5.0
2 jobs

Hi, I'm an experienced web developer with Java, PHP, and WordPress in real-world industry. I have 8+ years of industrial experience with qualifications. I have a bachelor's degree in IT and several diplomas in web designing, and software development. Here are my services, Setup Domain and Hosting WordPress Installation and Setup E-Commerce Website Development (WooCommerce) Responsive WordPress Design and Development Social Media Integration in WordPress Google Maps Integration in WordPress WordPress Theme Customization (Elementor)

  • Microsoft SQL Server
  • MySQL
  • PHP
  • SQL
  • Java
  • CodeIgniter
  • WordPress e-Commerce
  • WordPress Development
  • Elementor
  • Website
  • WordPress
  • WooCommerce

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