Freelancers using React in Colombo

Freelancers using React in ColomboFreelancers using React in Colombo

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Colombo, Sri Lanka

Software engineer | Full-stack developer

New to Contra

Software engineer | Full-stack developer

Cover image for Educational website designed to provide

Educational website designed to provide students and parents with a clear, accessible, and engaging way to explore an academic institution and its offerings. I designed and developed the frontend using React.js, JavaScript, HTML, and CSS, focusing on creating a clean user interface, intuitive navigation, and well-structured content across different sections of the website. The website includes dedicated areas for academics, admissions, student life, institutional information, achievements and recognition, testimonials, FAQs, and contact information. The homepage brings these elements together through structured content sections that make important information easy to discover. Through this project, I gained practical experience in building reusable React components, organizing multi-section interfaces, implementing navigation, styling responsive page layouts, and managing the project using Git and GitHub. Technologies: React.js, JavaScript, HTML5, CSS3, Git, GitHub

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Cover image for QuicMov is a full-stack rental

QuicMov is a full-stack rental marketplace platform designed to make it easier for users to discover, list, and rent products through a modern and user-friendly web experience. As a Co-Founder and Full-Stack Developer, I have been involved in designing and developing the platform across both the frontend and backend. I built interactive and responsive user interfaces using React.js and TypeScript while developing scalable backend services with Java and Spring Boot. The platform uses PostgreSQL for relational data management, Redis for caching and performance optimization, REST APIs for frontend-backend communication, and Docker for containerized deployment. I also worked with cloud infrastructure across AWS and Oracle Cloud and integrated an AI-powered chatbot to improve the user experience and assist users within the platform. My work on QuicMov includes frontend development, backend API development, database integration, authentication, real-time features, cloud deployment, system integration, and application architecture. Technologies: React.js, TypeScript, Tailwind CSS, Java, Spring Boot, PostgreSQL, Redis, Docker, REST APIs, WebSockets, AWS, Oracle Cloud, Microsoft Azure

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Cover image for Conn-Act is a full-stack real-time

Conn-Act is a full-stack real-time communication platform designed to provide users with a fast, interactive, and seamless messaging experience. I developed the application using React.js for the frontend and Node.js with Express.js for the backend, with PostgreSQL used for data management. The platform supports real-time messaging and communication through Socket.io (http://Socket.io), while JWT-based authentication provides secure user access and session management. The project gave me hands-on experience in building responsive user interfaces, designing REST APIs, integrating frontend and backend services, managing relational data, implementing authentication, and developing real-time features using WebSockets. Technologies: React.js, Node.js, Express.js, PostgreSQL, Socket.io (http://Socket.io), JWT, REST APIs

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Cover image for Univize is a university-focused social

Univize is a university-focused social networking and collaboration platform designed to improve communication, social interaction, and academic engagement between students and faculty members. I worked as a key developer on the project, contributing to the system architecture, frontend development, API integration, deployment, and cloud infrastructure. I also helped integrate the different services of the platform and deploy the application using Docker and Nginx. The platform includes features such as social feeds, posts, stories, comments, user profiles, real-time communication, authentication, media sharing, and other university-focused social features. Technologies used: React, TypeScript, PostgreSQL, MongoDB, Redis, Neo4j, Docker, Nginx, Azure, Oracle Cloud, and REST APIs. This project gave me hands-on experience building and deploying a complete full-stack application while collaborating with developers, designers, QA engineers, database engineers, and other team members throughout the software development lifecycle. The attached video demonstrates the main features and user experience of the completed Univize platform.

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Colombo, Sri Lanka

Expert Full-stack and AI developer

$10k+: Earned

1x: Hired

2: Followers

Expert Full-stack and AI developer

Cover image for successful delivery of an AI chatbot for our Bio Science tea...

successful delivery of an AI chatbot for our Bio Science team! This tool is specifically designed to work seamlessly with their nf-core pipelines, enabling them to get enhanced interpretation and accelerate their research. The chatbot provides end-to-end support: Pipeline Selection: Helps in choosing the most appropriate nf-core pipeline for their specific analysis. Sample Sheet Generation: Supports the creation of accurate sample sheets, simplifying the initial setup. Multi-Step Results Interpretation: Provides clear, step-by-step guidance and interpretation of the complex pipeline results.

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Cover image for Excited to share a recent project where I leveraged the powe...

Excited to share a recent project where I leveraged the power of AI to transform data analytics!

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Cover image for Wish to share a previous achievement at Teamwork Ltd. I play...

Wish to share a previous achievement at Teamwork Ltd. I played a key role in developing a robust new Procurement Management Workflow. This wasn't just a process update—it was a full-stack digital transformation! We leveraged the power of AWS Step Functions to orchestrate complex tasks, backed by scalable Lambda functions, a reliable Aurora DB for data persistence, and Python for core logic. The result is a streamlined, efficient, and fully automated procurement process that significantly reduces overhead and increases accuracy. Excited to continue driving innovation!

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Cover image for Exciting News: Multi-Agent Supervisor Release! I'm thrilled ...

Exciting News: Multi-Agent Supervisor Release! I'm thrilled to announce the successful development and release of a Multi-Agent Supervisor for my bioscience client! This project leveraged the power of LangChain and LangGraph to create a sophisticated, self-correcting query system: Intelligent Evaluation: The initial supervisor agent intelligently evaluates client queries and, when necessary, proactively asks for more details to ensure maximum context and accuracy. Dynamic Task Orchestration: The core Supervisor agent effectively orchestrates multiple specialized sub-agents. Deep Bio-Database Integration: These sub-agents are designed to connect with and query multiple specialized bioscience database tools, allowing for comprehensive and precise data retrieval.

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Maharagama, Sri Lanka

Hi, I’m Caden. I design modern high end brands & websites

New to Contra

Hi, I’m Caden. I design modern high end brands & websites

Cover image for Omega Exports International – Corporate

Omega Exports International – Corporate Brand Identity The Overview In the high-stakes logistics and international trade sector, trust is a company's most valuable currency. Omega Exports International needed a visual identity that instantly communicated global scale, reliability, and established corporate authority. The goal was to build a brand that commands respect in international boardrooms and stands out in the competitive export market. The Strategic Design I developed a comprehensive, authoritative emblem that seamlessly integrates the structural strength of the Omega symbol with maritime logistics and global reach. Visual Iconography: The design anchors the globe within the Omega letterform, while a sweeping gold arrow introduces dynamic, forward momentum perfectly visualizing their tagline, "Quality Beyond Borders." The detailed cargo ship roots the brand in its core industry without feeling generic. Color Palette: To position Omega as a premium corporate entity, I utilized a classic deep navy and refined gold color system. This specific combination is psychologically linked to security, wealth, and unwavering reliability. Typography: A sophisticated, tailored serif wordmark was chosen to give the brand a timeless, established feel. It is structured to hold its weight beautifully, whether it is printed on premium corporate letterheads or scaled up on the side of a shipping container. The Result A commanding corporate identity that elevates Omega from a standard logistics service to a trusted global authority. It proves that B2B and industrial branding can still be highly sophisticated and visually striking. Services Provided: Brand Strategy & Positioning Primary & Secondary Logo Design Color Palette & Typography Curation Corporate Brand Guidelines Corporate high end website design / development & deployment - https://omegaexportsinternational.com.au

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Cover image for Archevia Designs Luxury Architectural &

Archevia Designs Luxury Architectural & Interior The Vision When a studio designs high-end, bespoke residential spaces, their own brand identity must reflect the exact level of precision, luxury, and tranquility they deliver to their clients. Archevia Designs needed a visual presence that instantly communicated architectural expertise and refined taste to high-net-worth homeowners, setting them apart from standard interior decorating firms. The Execution To capture the essence of structural elegance, I designed a minimal, monoline emblem utilizing symmetrical arches. This subtle nod to classical architecture and vaulted ceilings creates a sense of space and balance. Rather than stark black and white, I anchored the identity in a warm, stone-neutral color palette—utilizing rich earth tones, soft creams, and taupe. This strategic color choice makes the brand feel grounded, organic, and incredibly sophisticated. The icon is paired with a sleek, airy sans-serif wordmark that gives the brand a modern, editorial finish. The Value A luxury service requires a luxury facade. This cohesive brand system allows Archevia Designs to present themselves with undeniable authority. Whether embossed on a business card, displayed as 3D wall signage in a studio, or acting as the header of a six-figure design proposal, this identity justifies a premium price point. Project Scope & Deliverables: Brand book Primary Arch Emblem & Minimalist Wordmark Logo dissections Logo variations/ lockups Source files / printable files / SVGs Website materials Stationary designs Email signatures Table signboard designs Signboard / bill board designs Thank you card design Custom Stone-Neutral Color Palette Typography System Photorealistic Environmental Mockups (Interior Signage & Print) Your high-end services deserve a visual identity to match. If you are ready to position your business for a premium market and attract higher-paying clients, let’s connect and discuss your vision. - Caden -

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Cover image for Maison Du Chef – Premium

Maison Du Chef – Premium Private Fine-Dining For Maison Du Chef, a bespoke private chef service offering elite fine-dining experiences, I developed a sophisticated visual identity that captures the essence of culinary mastery and exclusivity. The Goal: The client required a brand identity that felt intimate yet prestigious, communicating high-level personal service for those seeking a Michelin-standard experience in a private setting. The visual presence needed to reflect professional craftsmanship and an elevated level of hospitality. The Solution: I designed a refined, minimalist monogram that utilizes rhythmic, vertical lines to create an elegant, abstract representation of the letter "M". This linear icon is paired with a high-contrast, classic serif typeface, emphasizing a sense of heritage and artisanal precision. To evoke a feeling of richness and warmth, I implemented a palette of deep burgundy, soft cream, and gold accents. This combination ensures the brand feels both sophisticated and welcoming, perfectly positioning Maison Du Chef as a premier choice for luxury private culinary rituals.

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Cover image for Serenithé Spa Retreat - Holistic

Serenithé Spa Retreat - Holistic Luxury & Wellness 😍 For Serenithé Spa Retreat, a wellness sanctuary offering holistic treatments and luxury spa rituals, I developed a sophisticated visual identity designed to inspire a sense of immediate tranquility. The Goal: The client required a premium brand presence that bridges the gap between ancient holistic traditions and modern luxury. The visual identity needed to feel high-end and exclusive while maintaining an organic, calming atmosphere that reflects the restorative nature of their rituals. The Solution: I designed a refined, abstract monogram that represents the letter "S" through a series of fluid, rhythmic lines. This linear approach symbolizes the movement of serene energy and the gentle flow of a wellness journey. To anchor the brand in a nature-inspired aesthetic, I utilized a sophisticated color palette of sage green, warm sand, and crisp white. This combination of minimalist linework and earthy tones ensures a professional and premium aesthetic, positioning Serenithé as a premiere destination for restorative wellness.

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Colombo, Sri Lanka

Browser Chrome Extension Expert DEV | Full-Stack SaaS + AI

New to Contra

Browser Chrome Extension Expert DEV | Full-Stack SaaS + AI

Cover image for Amazon Shift Sniper | Real-Time Automation Chrome Extension

Amazon Shift Sniper | Real-Time Automation Chrome Extension

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Cover image for RoboApply & Sociax | AI

RoboApply & Sociax | AI Job Application Autofill & Multi-ATS Auto-Apply Chrome Extensions RoboApply and Sociax are two separate job-application automation products I worked on, both focused on reducing the manual work involved in applying across complex ATS platforms. For Sociax, I built an AI-powered Chrome extension that reads the current job description, compares it with the user’s saved resume, and generates an ATS match score, missing keywords, tailored resume bullets, and a cover letter. I then worked on the next phase: one-click application automation that opens external career pages, fills application forms, uploads the correct resume, answers common questions, and submits where possible. For RoboApply, I worked on the multi-ATS automation layer for an existing auto-apply platform covering major job boards and ATS systems. The client had already tried more than 20 developers over the previous year without getting a reliable solution working. I built the first working Ashby integration within one week, which led to me being brought on for additional ATS integrations. Key capabilities across both systems: • Chrome Extension / Manifest V3 architecture • AI resume and cover-letter generation • ATS match scoring and keyword analysis • Automated form detection and field mapping • Resume and file upload automation • Multi-step application flow handling • Support for Greenhouse, Workable, Ashby, Workday, Oracle and other ATS platforms • React-controlled form input handling • AI-generated answers for screening questions • CAPTCHA pause-and-resume workflow • Application progress tracking and submission state • Saved applicant profile and reusable application data The work required handling very different form structures across ATS platforms, including dynamic React inputs, file uploads, multi-page workflows, validation, and platform-specific edge cases. Role: Chrome Extension & Browser Automation Developer Tech: JavaScript, Chrome Manifest V3, Browser Automation, OpenAI API, React, DOM Automation, ATS Integrations, REST APIs Case study: https://pasindup.vercel.app/projects/roboapply-ats-automation

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Cover image for Tech Copilot | AI Chrome

Tech Copilot | AI Chrome Extension for Automotive Technicians Tech Copilot is a production Chrome extension built for automotive technicians. It works directly inside the browser as an AI assistant, helping technicians understand repair information, work with VIN-specific context, capture screenshots, and get diagnostic guidance without constantly switching between tools. I built the Chrome extension architecture and continued developing the product across multiple paid milestones, taking it from the initial MVP into a polished live product. Key features include: • Manifest V3 Chrome extension • Floating browser-based AI assistant • OpenAI-powered responses • Gemini Pro RAG with VIN-specific context • Screenshot, snip and scroll capture • Conversation modes and persistent state • Usage-based free trial and monthly limits • ExtensionPay subscription integration • Freemium access and upgrade flows • Production debugging, testing and ongoing improvements The extension is live on the Chrome Web Store and has been developed through a long-term Upwork engagement with multiple completed milestones and a 5.0 client review. Role: Chrome Extension & Full-Stack AI Developer Tech: Chrome Manifest V3, JavaScript, React, OpenAI, Gemini, RAG, APIs, ExtensionPay, SaaS Live product: https://www.techaicopilot.com/how-it-works (https://www.techaicopilot.com/how-it-works)Chrome Web Store: https://chromewebstore.google.com/detail/tech-copilot/iipllbfcpkhafndcobpljgkjhlhohkbl (https://chromewebstore.google.com/detail/tech-copilot/iipllbfcpkhafndcobpljgkjhlhohkbl)Case study: https://pasindup.vercel.app/projects/tech-copilot

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Neelaka Ganegoda

Colombo, Sri Lanka

I design and build accessible, fast websites

New to Contra

I design and build accessible, fast websites

Cover image for The Soul Care: student mental health website

The Soul Care: student mental health website

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Brand and website for a financial services firm

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Cover image for Website design for an apparel manufacturer

Website design for an apparel manufacturer

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Cover image for Corporate website for a shared services provider

Corporate website for a shared services provider

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Colombo, Sri Lanka

SaaS Creative Director & UI/UX Specialist

6: Followers

SaaS Creative Director & UI/UX Specialist

Cover image for Plumm Health Rebranding and Platform Redesign

Plumm Health Rebranding and Platform Redesign

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Cover image for TopClass: Full Web Redesign and UX Overhaul

TopClass: Full Web Redesign and UX Overhaul

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Cover image for OpenWater: Rebrand, Web Redesign, and UX Transformation

OpenWater: Rebrand, Web Redesign, and UX Transformation

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Xrevo- Brand identity and website

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Sri Jayawardenepura Kotte, Sri Lanka

10+ exp. fullstack engineer | ReactJS | NodeJS | Cloud

10+ exp. fullstack engineer | ReactJS | NodeJS | Cloud

Cover image for Waters Edge Online Food Ordering Platform Development

Waters Edge Online Food Ordering Platform Development

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Cover image for ICT Kathurusingha E-Learning Platform Development

ICT Kathurusingha E-Learning Platform Development

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Cover image for Otters Aquatic Club Membership Payment Portal

Otters Aquatic Club Membership Payment Portal

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Colombo, Sri Lanka

Flutter & Full-Stack Developer building production-ready app

Flutter & Full-Stack Developer building production-ready app

Cover image for Cinema Booking & Seat Reservation System (Full-Stack MERN) �...

Cinema Booking & Seat Reservation System (Full-Stack MERN) 🎬 Cinema Ticket Booking Web Application I developed a full-stack cinema ticket booking system with real-time seat selection. Users can securely register and log in, browse movies, view showtimes, select seats using a live seat map, and complete bookings smoothly. Admin users can manage movies, halls, shows, and bookings through a dedicated dashboard. Built using React for the frontend and Node.js, Express, and MongoDB for the backend, with JWT authentication and Socket.io (http://Socket.io) for real-time updates. This project demonstrates my full-stack development skills and focus on clean UI/UX.

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Cover image for McApps – Employee Management & Communication App Designed an...

McApps – Employee Management & Communication App Designed and developed McApps, a cross-platform employee management and communication app for the McLarens Group of Companies. Built using Flutter (Dart) for Android and iOS, with Firebase for authentication, push notifications, and cloud services, and a PHP/MySQL backend for secure data handling. Key features include secure company login, news & events feed, real-time notifications, lunch ordering, and HRIS & webmail integration, with a scalable architecture ready for future expansion.

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Cover image for 🚛 Driver Management & Trip

🚛 Driver Management & Trip Tracking App (Flutter + PHP) Built a secure fleet management mobile app for managing driver trips and vehicle operations. Developed the Flutter frontend and integrated it with a PHP backend & MySQL database, enabling secure login, trip tracking, mileage logging, and real-time trip status visibility. Tech: Flutter | PHP | MySQL | REST APIs

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Cover image for Built a cross-platform Flutter mobile

Built a cross-platform Flutter mobile app designed to support users through relationship recovery and personal growth. I developed the app UI, authentication flow, guided programs, journaling, mood tracking, private community access, AI chat support, reminders, settings, and in-app purchase integration. The result is a polished mobile experience with structured healing tools, secure user sessions, and production-ready iOS/Android configuration.

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