Full-time · Hybrid, Singapore-based

Luce Maintenance Group Pte Ltd

Full-stack Engineer 2025 — 2026 · 12 months

Led backend scalability and security initiatives

02 / What I did

Led backend scalability, security, and refactoring initiatives across a large monolithic system composed of multiple components.
Authored and standardized technical documentation for all core components, improving developer onboarding and maintainability.
Upgraded Rails 7.0 → 7.2 safely by addressing transaction rollback, encryption, and dependency issues, backed by an RSpec and VCR test safety net that grew coverage from 26% to 77% in six months.
Improved dependency freshness: Backend 26% → 83%, Frontend 25% → 78%.
Reduced operational errors and improved performance metrics across key systems.
Proactively monitored application health using Sentry and New Relic.
Contributed frontend and mobile features using React and React Native.