Software Engineer · Southern Province, Sri Lanka
Full-stack engineer with 3+ years of experience and a strong foundation in the MERN stack, now specializing in Go and Node.js backend systems for production iGaming platforms serving social casino products. Built a blockchain project from the ground up, with experience in event-driven architecture and crypto payment systems — alongside KYC/AML and geolocation compliance for regulated markets.
Leverages AI-driven development practices to accelerate delivery and code quality. Skilled in cloud infrastructure and DevOps, with hands-on experience across Azure, DigitalOcean, and AWS, and CI/CD pipeline automation.
2025 — Present
Leading a team of 7+ engineers on an iGaming platform handling 5000+ concurrent users with Kafka event streaming. Built a blockchain project from scratch in Go, an AI gaming platform on RAG architecture, and KYC/AML compliance for US-regulated markets.
2024 — 2025
Client sites with Next.js and Strapi, secure Express.js backends, Shopify Headless e-commerce, and the frontend for a market-leading platform on the WAX blockchain.
2023 — 2024
Built an education management system with Next.js, Nest.js, AWS S3, and PayHere. Revamped a real estate site for an Australian client and mentored interns.
2019 — 2020
Daily checkups of SaaS products and API testing for mobile applications and releases.
An automated crypto trading bot that pulls live market data from Binance and uses Gemini and DeepSeek models to analyze signals and drive trade decisions.
Express.js · Gemini API · DeepSeek API · Binance API
A job portal that matches candidates to roles using OpenAI — built end-to-end as my university capstone project.
React · Express.js · MySQL · OpenAI API
A Binance-style trading interface with live order book layout and dense data views.
Next.js · TypeScript · ShadCN · Tailwind
A drag-and-drop CV builder where users compose documents from customizable components.
React · Redux · Tailwind
Languages
JavaScript, TypeScript, Go
Back-end
Node.js, Express.js, Nest.js, Go + Chi, Apache Kafka, Microservices
Front-end
React, Next.js, Tailwind CSS, Redux, React Query, ShadCN
Databases
PostgreSQL, MySQL, MongoDB, Redis, Prisma, Sequelize
Cloud & DevOps
AWS, Azure, DigitalOcean, Docker, Kubernetes, Terraform, ArgoCD
AI Tooling
Claude Code, Claude API, OpenAI API, Cursor + MCP, Pinecone, pgvector
Write me at isurangabtk@gmail.com or use the form below.