Solutions Architect · Technical Lead · Senior Full-Stack Engineer
JY Liu
12+ years architecting & shipping enterprise, fintech & integration-heavy platforms — cloud-native, payments at scale (235k+ users), and AI-enabled workflows. MBA (Business Analytics), University of Malaya.
WhatsApp meExperience
Senior Web Developer (Technical Lead)
Vailley AI Solution Pte. Ltd.
Jun 2025 — Now
- Lead architecture & delivery for VFS Global visa/consular platforms — Consular Dashboard (RBAC/ABAC), ADR portal, ETL visibility, OneVasco–SAP Concur integration.
- Cloud-native integration & data architecture across multi-country diplomatic operations; hands-on full-stack delivery.
Senior Software Engineer
Shift Markets
Jan 2023 — Now
- Lead engineer for CXM Direct multi-asset trading platform & CRM — ThinkPHP + TypeScript delivery.
- Unified Payment Gateway: 12 PSPs, 12+ regions, 17+ currencies, 235k+ users across CXMD (SG) & CXMT (Tokyo).
Senior Information Technology Consultant
InnoLab Global
Sept 2018 — Now
- Forest City Super App (Turborepo/Next.js/Prisma/Postgres/Auth.js) — community, events, payments, partner portal & admin.
- AvaEra compensation platform — 15-service reward engine (Next.js/Prisma/Postgres) + HappyAI tender extraction (Next.js/FastAPI/Groq/Ollama).
Senior Web Engineer
InternetBrands
Apr 2023 — Sept 2024
- Dentrix Hub Forms (Laravel) — patient form platform for dental practices; reliability, performance & scale.
- Introduced PHP linting & testing standards (0% → 90% coverage); Helm/Rancher on Kubernetes.
Senior Full Stack Developer
MaiDaLv
Feb 2025 — May 2025
- Spring Boot + UniApp + Vue.js + Python workflows — subscription, WeChat Pay & IP-risk scanning.
Senior Information Technology Consultant
Buddy Holdings Pte Ltd
Sept 2016 — Jan 2024
- Buddy System Asia MLM platform — 2k+ members across SG/MY/CN/ID (Angular/Laravel/MySQL/Kafka): hierarchy, points, redemption, inventory, family tree.
Solutions Architect
Cake Experiential Communications Asia
Apr 2021 — May 2023
- End-to-end architecture & delivery for Vue.js/Laravel enterprise & campaign platforms.
- Introduced TDD, API governance & backend scaling for client-critical systems.
Web Software Engineer
Glints
Jan 2022 — Dec 2022
- Superpowered recruiter tooling (Next.js/Koa.js) — workflow efficiency & internal product design.
Information Technology Consultant
The Consociation LLP
Sept 2016 — Apr 2020
- Led full-stack delivery for iHeartCity & Swiiipe (Angular/NestJS/GraphQL/Firebase) with AWS DevOps automation.
Full Stack Developer
Supahands
Feb 2018 — Jun 2018
- Full-stack features for distributed-team crowdsourced microtask platform.
Embedded Software Engineer
Fuji Xerox
Feb 2016 — May 2016
Software Developer
Netccentric
Oct 2015 — Dec 2015
Hybrid App Developer
Nexstream
Jun 2014 — Jul 2015
Research Assistant
University of Malaya
Jul 2011 — Nov 2013
Selected Works
All works →Forest City Super App
Production-ready super app (Turborepo + Next.js + Prisma + PostgreSQL + Auth.js) for Forest City — community, events & ticketing, payments, partner portal & admin console.
Next.js · NestJS · Prisma
AvaEra — Compensation Platform
Modernized legacy MLM into pnpm + Turborepo monorepo (Next.js 16, Prisma 7, PostgreSQL). 15-service reward engine covering direct sponsor, team bonus, pool sharing & profit distribution at scale.
Next.js · Prisma · PostgreSQL
HappyAI — Tender Extraction Platform
AI tender BQ extraction for Gembira Bina (Next.js + FastAPI + SQLite, Groq primary / Ollama fallback) — confidence-badged review UI and deterministic batch ingest pipeline exporting T1121 xlsx.
Next.js · FastAPI · SQLite
Latest Writing
All posts →- Feeling Check-in
Why I Started J&L Nexus Ventures PLT: A Feeling Check-In
Frustration with unprofessional dynamics pushed me to stop complaining and start building. With my younger brother, I set up J&L Nexus Ventures PLT — a family venture with a bigger vision.
- Project
Small Team, Big Surface: Operating 15 Services With 3 Engineers Without Burning Out
Tactics for running a broad platform with a small team — templates, paved roads, and the operational habits that keep on-call humane.
Have a project in mind?
From idea to production — let's build something together.