PORTFOLIO — 04 ENTRIES

Selected Engineering Work

A curated list of applications, tooling, and backend architectures built with a strong emphasis on clean code design, reliability, and scale.

01 / May 2026Real-Time Exception Triage

Sentinel - Error Monitoring

Sentinel is error monitoring that focusing on simplicity, and holistic integration. Track backend services errors, let support raise issue ticket and link them to live service errors and let ai triage the errors

Error monitoringError trackingMonitoringTech Support
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02 / Aug 202316x Faster Latency • 3TB → 500GB

Omni-Chat Performance Optimization

Reduced system latency by 1600% and optimized data retention from 3TB to 500GB for a large-scale omnichannel chat application.

Ruby on RailsPostgreSQLRedisElasticsearch
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03 / Jan 2023Idempotent Ledger

Moderator Panel Billing & Top-Up

Developed a package top-up feature and automated migration scripts for a moderator panel, improving billing accuracy and operational efficiency.

Ruby on RailsPostgreSQLBilling
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04 / Dec 2021Automated Calendar Sync

Interview Scheduler API

Developed a RESTful API for scheduling interviews, integrating Microsoft Graph API for calendar management.

JavaSpring BootPostgreSQLMicrosoft Graph API
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