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
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:
๐ฑ Flutter Mobile App Development
โข Cross-platform Android & iOS applications
โข Figma/XD to pixel-perfect Flutter UI
โข Feature development and bug fixing
โข Performance optimization
โข Responsive layouts
โข State Management (Provider, Riverpod)
๐ฅ Firebase & Backend Integration
โข Firebase Authentication
โข Firestore & Realtime Database
โข Firebase Cloud Messaging (Push Notifications)
โข Cloud Storage
โข REST API Integration
โข Secure JWT Authentication
๐ Advanced Mobile Features
โข Google Maps & Location Services
โข Payment Gateway Integration
โข AI-powered Features & OpenAI Integration
โข Real-time Updates
โข Image Uploads & Media Handling
โข Offline Support
๐ Deployment & Maintenance
โข Google Play Store Publishing
โข Apple App Store Deployment
โข TestFlight Distribution
โข App Updates & Release Management
โข Store Compliance & Review Fixes
๐ป Backend & Web Development
โข Node.js & Express.js
โข React
โข PostgreSQL, MySQL & MongoDB
โข Admin Dashboards
โข REST API Development
Why clients work with me:
โ Production apps serving 1,000+ active users
โ Enterprise development experience
โ Clean, scalable, and maintainable code
โ Fast communication and reliable delivery
โ Long-term support after project completion
โ Strong focus on quality and user experience
Tech Stack:
Flutter โข Dart โข Firebase โข REST APIs โข Node.js โข Express.js โข React โข PostgreSQL โข MySQL โข MongoDB โข AI Integration โข AWS โข 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.
๐ฉ 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.
๐ง 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.
โ 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
How it works
Post a job for freePost a job
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
โUpwork provides an umbrella-level of security. I can see a talentโs work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.โ
KD
Kim Darling
Emerald Tiger
โUpwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.โ
DM
David Merry
Kinetic Investments
โOur very specific requirements can be a challengeโWith Upwork, weโre able to access a bigger community to ensure the success of our projects.โ
KK
Katja Krohn
Summa Linguae
How do I hire a Web Application Developer in Sri Lanka on Upwork?
You can hire a Web Application Developer in Sri Lanka on Upwork in four simple steps:
Create a job post tailored to your Web Application Developer project scope. We'll walk you through the process step by step.
Browse top Web Application Developer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top Web Application Developer profiles and interview.
Hire the right Web Application Developer for your project from Upwork, the world's largest work marketplace.
At Upwork, we believe talent staffing should be easy.
How much does it cost to hire a Web Application Developer?
Rates charged by Web Application Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a Web Application Developer in Sri Lanka on Upwork?
As the world's work marketplace, we connect highly-skilled freelance Web Application Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Web Application Developer team you need to succeed.
Can I hire a Web Application Developer in Sri Lanka within 24 hours on Upwork?
Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive Web Application Developer proposals within 24 hours of posting a job description.
Find more freelancers
Top cities for Web Application Developers in Sri Lanka