👋 Hi, I’m Nuwan... - cover image

👋 Hi, I’m Nuwan…

About me

Over 12 years of backend experience spanning Singapore, Vietnam, and Remote.

Engineered mission-critical platforms for Lazada Vietnam (Alibaba Group), NCS (Singapore Gov), Axclusive (Singapore), and Home24 SE (Remote). Distributed systems and technical leadership over event-driven Rust, Go and PHP microservices implementations with Feature-Driven Development and KISS architectures.

Publications

01. Learning Rust

Rust Programming Language Tutorials.
Website · 1.6k GitHub ★

02. Learning Cloud Native Go Template

A production-grade microservice boilerplate featuring GORM, Goose, Swag, Zerolog, Validator.v10, GitOps, Kubernetes, Kustomize, and ArgoCD.
Codebase · 1.1k GitHub ★

03. Axum Template

A future focused Rust workspace for microservices built with Tokio, Axum, Toasty, Tower, Garde, and Utoipa.
Codebase · 10 GitHub ★

04. e25DX

A Modern And Modular Technical Documentation & Blog Setup.
Website · 90+ GitHub ★

Skills

Rust Go PHP html5 css3 PostgreSQL MySQL Redis RabbitMQ Iggy Concurrent Programming OAuth2.0 Stripe Casbin RBAC

AWS GitOps Docker Kubernetes Istio ArgoCD Grafana Loki Prometheus

GitHub GitHub Actions Jira Confluence Bitbucket TeamCity

Work Experience

Tech Lead

  • Lucytech/ Home24 SE 🇩🇪 (🇱🇰 Sri Lanka/ Remote) - 03/2025 - 08/2025

    • Development of next-gen product and supplier onboarding ecosystem for Giga International GmbH / Home24 SE.
    • Stack: Go, MySQL, PostgreSQL, AWS, Azure, Docker, CircleCI, Serverless computing, S3, Lambda, CloudWatch.

Software Engineer

  • NCS Pte Ltd | Anchor Biz IT (🇸🇬 Singapore) - 11/2023 - 11/2024

    • Delivered internal serverless backend services for Singapore’s Ministry of Manpower under the supervision of NCS.
    • Stack: Go, GraphQL, Terraform, AWS, PostgreSQL, Docker, GitLab, Serverless computing, ECS, Lambda, SQS, SNS, CloudWatch.

Senior Go & DevOps Developer

  • Alpha Networks / Axclusive (🇸🇬 Singapore) - 08/2019 - 08/2023

    • Led design, implementation and infrastructure for ISP, VPN, and DNS projects and managed a team of 5+ developers.
    • Stack: Go, AWS, Docker, Kubernetes, Redis, PostgreSQL, RabbitMQ, CoreDNS, WireGuard, OAuth2.0, Stripe, Linkerd, Istio.

Middle Go & PHP Developer

  • Lazada Tech Hub | e-Logistics (🇻🇳 Ho Chi Minh City, Vietnam) - 05/2017 - 05/2019

    • Rebuilt core logistics systems—order tracking, package splitting, and returns management systems—supporting Lazada, AliExpress, Daraz under Alibaba Group and maintained the notification management, transportation systems of Lazada.
    • Stack: Go, Docker, Kubernetes, PHP, PostgreSQL, Redis, RabbitMQ, Prometheus, Kibana, Grafana, TeamCity, Jira, Confluence.

Go & PHP Developer

  • Lazada Tech Hub (🇻🇳 Ho Chi Minh City, Vietnam) - 10/2014 - 08/2016

    • Maintained monolithic product catalog backend and frontend systems originally built under Rocket Internet and Improved user tracking systems and integrated Bloomreach product suggestions to Lazada product and catalog pages.
    • Stack: PHP, MySQL, Docker, Zend Framework, Yii, Codeception, Redis, TDD, Jira, Confluence, Bitbucket, TeamCity,

Software Engineer

  • D&J Holdings / Keeneye (🇱🇰 Sri Lanka) - 07/2013 - 10/2014

    • Built RESTful APIs, designed layouts and managed infrastructure to build mobile applications.
    • Stack: PHP, MySQL, Yii, CodeIgniter, Bootstrap, JQuery, JavaScript, HTML5, CSS3.

Software Engineer

  • Cyber LMJ & L.M. Jinasena & Co (🇱🇰 Sri Lanka) - 03/2012 - 02/2013

    • Created RESTful APIs for Elephanti, a retail application that allow users to connect with favorite stores, venues and brands, which launched at Internet Week New York City 2012.
    • Stack: PHP, MySQL, CodeIgniter, JQuery, JavaScript, HTML5, CSS3.

Associate Software Engineer

  • Webcrafts Pvt Ltd (🇱🇰 Sri Lanka) - 05/2011 - 02/2012

    • Developed Travel Insurance and Hotel booking systems.
    • Stack: PHP, MySQL, Yii, JQuery, JS, HTML, CSS, Ubuntu, LAMP.