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AJ.

Experience

Systems, teams, and the work between.

A selected look at the work that shaped how I think about reliability, performance, and building software for production.

2016 — 2025

Selected experience

Open résumé

Oct 2022 — Nov 2025

Vancouver, Canada

Lotlinx

Senior Software Engineer

Worked on the core application behind a high-availability analytics platform, with a focus on data processing, API performance, and system reliability.

  • 30% faster processing · 50% lower infrastructure costMoved cache building from a monolith to an auto-scaling Kubernetes and KEDA service, improving execution speed by 30% and reducing infrastructure costs by 50%.
  • 70% faster API responseImproved API response time by 70% through caching strategies and data-layer design.
  • Migrated core features toward an event-driven architecture with Vert.x and supported the platform across BigQuery, Apache Pinot, and Airflow.

Oct 2021 — Jul 2022

Singapore

Standard Chartered Bank

Software Engineer

Built Spring Boot and Spring Cloud services as part of a transition toward a microservices architecture.

  • 90% test coverageEstablished unit testing for the services and reached 90% test coverage.
  • Coordinated integration testing across teams to support reliable deployment and operation.

Oct 2020 — Oct 2021

Singapore

Platinum Analytics Singapore

Software Engineer

Worked on market-data integration, technical design, and the delivery pipeline around the platform.

  • 1.5 days → 2 hoursSet up integration and deployment pipelines that reduced deployment time from 1.5 days to 2 hours.
  • Led development of market-data protocol adapters and authored functional and technical designs.

Mar 2019 — Oct 2020

Singapore

Credit Agricole CIB

Software Engineer

Supported production reliability and coordinated the release process for a large engineering team.

  • Planned and executed fortnightly releases for a team of 25 engineers across multiple test environments.
  • Investigated and resolved day-to-day production issues.

Nov 2016 — Mar 2019

Philippines

Nokia

Software Engineer

Built performance-testing tools and specifications for telecommunications systems.

  • 3.5 Gbps test trafficDeveloped a 5G traffic generator capable of producing 3.5 Gbps of data for product performance testing.
  • Authored specification documents across 15 sub-projects.