Edition No. 03
Spring / Summer May 26
Blockchain &
Machine Learning

Sanjula

Chapter I

The
Builder

Colombo, Sri Lanka
6.9271° N — 79.8612° E
"Engineering intelligent systems that bridge the decentralized frontier — from smart contracts to neural networks."

Computer Science undergraduate at the University of Westminster with 3+ years of real-world engineering experience. Blockchain Engineer and ML Engineer at Coullax, specializing in DePIN infrastructure and Generative AI on-chain.

Built production-grade systems deployed across 30+ countries. From IoT wearables with 1,000+ real users to 3D AI visualizations with 10,400+ interactions — I build things people actually use.

PythonTypeScriptRustGoSolidityNext.jsTensorFlowLangChain
Signal Data
11.4kUser Interactions
30+Countries Reached
3+Years Engineering
Chapter II

Experience Record

01

Coullax

Software Engineer / Blockchain Eng

  • Engineered Node.js REST APIs serving 30+ country deployments
  • Reduced client onboarding time by 40% through scalable system architecture
  • Contributed to AI-powered chatbot systems, cutting manual processing by 60%
Stack
Node.jsNext.jsAI/MLPostgreSQLBlockchain
02

Freelance

Full-Stack Developer · Fiverr

  • Delivered 10+ full-stack projects with 5-star ratings for US, UK, and EU clients
  • Built AI chatbots, REST APIs, and React dashboards for production use
  • Designed real-time data pipelines with Node.js, Express, and WebSockets
Stack
PythonReactNode.jsAI APIsWebSockets

Leadership & Recognition

Community
GSSoC
Campus Ambassador
220+ participants
Nexus SoC
Community Ambassador
150+ members
Algorand
Technical Speaker
Blockchain arch.
Solana
Technical Speaker
Web3 applications
IEEE CS
Technical Member
Engineering programs
Chapter III

Technical Arsenal

Frontend
ReactNext.jsReact NativeThree.jsTailwind CSSTypeScript
Backend
Node.jsNestJSFastAPIExpress.jsgRPCWebSockets
AI & ML
TensorFlowLangChainOpenAI APIGemini AIRAGScikit-Learn
Blockchain
SolidityAlgorandSolanaWeb3.jsDePINSmart Contracts
Infrastructure
DockerAWSGoogle CloudPostgreSQLMongoDBKubernetes
Languages
PythonTypeScriptJavaScriptGoRustJava
PLATE 021 / FEATURED WORK
ChatGPT Visualizer

ChatGPT Visualizer

THREE.JS

3D spatial conversation graph that renders AI interactions as explorable node networks. Achieved 10,400+ user interactions through public deployment. Optimized dynamic node rendering with React Three Fiber.

Metrics & Data
11.4kUser Interactions
30+Global Deployments
3+Years Engineering
Latest Bulletin

"Build systems that think. Ship products that matter."

View GitHub
Chapter IV

Open Source