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 →- 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.
- Trend
The Architecture Tax: Why AI Won't Save You From Bad System Design
AI accelerates output and amplifies weak foundations. The most expensive line of code in 2026 is still the one built on the wrong abstraction.
Have a project in mind?
From idea to production — let's build something together.