🌐 Portfolio • 💼 LinkedIn • 🐙 GitHub
I'm a Hong Kong based CTO and Engineering Leader with 11+ years of experience building and scaling software products across APAC.
- 🔭 I'm currently working on AI Agents and Generative AI / RAG systems
- 🌱 I'm currently learning Advanced AI Orchestration, K8s at scale, and Rust
- 👯 I'm looking to collaborate on Open Source AI Agent frameworks
- 💬 Ask me about System Architecture, Database Modeling, AI/ML Engineering, or Leading Engineering Teams
- 📫 How to reach me: sacsand.k@gmail.com
- 🏠 Hong Kong Permanent Resident | 🇱🇰 Originally from Sri Lanka
- Co-Founder & CTO @ Expando AI (2023–2026) – AI-powered B2B referral SaaS. Built from zero to revenue, led 20+ engineers, reduced infra costs by ~90%.
- Lead Engineer @ The Coding Machine (2022–2023) – Recovered 6-month-delayed crypto platform, led fintech/web3/edtech portfolio.
- Tech Lead @ Veridate Financial (2019–2020) – Multi-tenant AWS KYC portal, validated by AWS Hong Kong.
- 35+ products delivered across full-stack, cloud, AI, and DevOps.
| Area | Technologies |
|---|---|
| Languages | JavaScript, TypeScript, Go, Node.js, Rust, PHP, Python |
| Frontend | Next.js, ReactJS, VueJS, Nuxtjs, AngularJS |
| Backend | NestJS, ElysiaJS, Laravel, Symfony |
| Databases | PostgreSQL, MySQL, Supabase, MongoDB, DynamoDB, Redis, Neo4j |
| Cloud & DevOps | GCP, AWS, Docker, CI/CD, Coolify, Serverless Lambda |
| AI & Automation | Generative AI, RAG, AI Agents, Prompt Engineering, OpenClaw, N8N |
| Leadership | Agile (Scrum/Kanban), Technical Recruitment, Product Strategy, Technical Sales |
| Project | Tech | Description |
|---|---|---|
| gofiber-firebaseauth | Go, Firebase SDK, CircleCI | Firebase Auth Middleware for GoFiber |
| fiberPlus | Go, GoFiber | Extended GoFiber framework with design patterns + CLI boilerplate |
| lanka-nic-2019 | JS, NPM | Sri Lankan National ID Card validator (old/new format) |
| btc-price-fetcher | Go, Docker | API with repository pattern + dependency injection |
| myBlockChain | JS | Blockchain prototype built to understand crypto basics (2017) |
| firebase-auth example | Go, Firebase | Example integration for gofiber-firebaseauth |
| survive-together-api | NodeJS | COVID-19 help platform for Sri Lanka |
| pickpic-interface | ReactJS, Redux | NFT project UI (ongoing at the time) |
- i18.dev – AI Agent for automated i18n translation flows
- screenshotx402.com – Screenshot tool for AI Agents with x402 payment support
- fundssniper.com – Search engine for Private Equity & VC funds
- OpenClaw Agents – Automation tools for team productivity
- Featured on Hong Kong MTR – Master Insight article
- Speaker at "What you building" – event link
I'm always open to discussing AI engineering, tech leadership, system architecture, or collaborations on open source. Feel free to reach out!