Sachintha Arachchige
Co-Founder And CTO at Expando
Islands District, Hong Kong
Summary
👤
Senior🎓
Top SchoolSachintha Kodagoda is a founder and hands-on engineering leader with 10 years building scalable web, fintech, and Web3 products across Hong Kong and globally. As Co‑Founder and CTO of Expando AI and founder of i18.dev, he blends full‑stack fluency (Node.js, Go, Rust) with pragmatic DevOps and cost‑efficient self‑hosting—cutting infra costs by ~90% while maintaining 99.9% uptime. He has delivered 35+ projects, led greenfield multi‑tenant AWS architectures and one‑click KYC deployments, and introduced Agile and CPM practices that accelerated releases by ~40%. Known for mentoring distributed teams, he moves between product strategy and low‑level engineering (including Neo4j graph work and agentic AI research) and contributes to open source like Go‑Firebase Auth. Based in Kowloon, he brings a startup founder’s rigor to solving localization and deployment friction at scale, often automating routine workflows to eliminate months of manual effort.
10 years of coding experience
5 years of employment as a software developer
Engineer’s Degree, Computer Software Engineering, Engineer’s Degree, Computer Software Engineering at Sheffield Hallam UniversityDiploma In Software Engineering, Computer Software Engineering, Diploma In Software Engineering, Computer Software Engineering at SLIIT
Stackoverflow
1reputation
0reached
4answers
0questions
Github Skills (85)
expressjs10
rest-api10
firebase-console10
fiber10
nodejs10
gofiber10
fiber-framework10
recipe10
nosql9
firebase-authentication9
middleware9
golang9
database9
authentication9
lists9
Programming languages (5)
Github contributions (5)
sacsand/lanka-nic-2019
Jan 2019 - Dec 2019
Sri Lankan NIC validator which supports both old and new NIC formats. This pacakge can be used to swap NIC, validate and get more info like, bday, gender etc..
Contributions:16 commits, 1 PR, 9 pushes in 11 months
nicswapgendermore-infopacakge
sacsand/gofiber-firebaseauth
Dec 2020 - Feb 2022
Firebase Authentication Middleware for Go Fiber framework.
Contributions:10 releases, 86 commits, 3 PRs in 1 year 2 months
golangfirebase-consolefirebaseauthenticationfiber
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