Senior full-stack developer and Co-founder at One X Group. I help startups and businesses build scalable SaaS platforms, AI-powered applications, and automation systems using modern, production-ready tech stacks. My experience covers the full development lifecycle — from MVP builds to scaling and optimisation — with a strong focus on clean architecture, performance, and maintainability. I frequently work with: - React, Next.js, Node.js - Supabase & PostgreSQL - AI integrations (chatbots, automation, API-driven workflows) You’ll work directly with me, backed by a small, experienced team at One X Group. This means faster delivery, better reliability, and the ability to support projects beyond a typical solo freelancer setup.\\ Feel free to check our featured portfolio at _Website not available. Sign in: https://www.twine.net/signup_ Happy to collaborate on anything from rapid MVPs to long-term product development.…

Joel Koh

Senior full-stack developer and Co-founder at One X Group. I help startups and businesses build scalable SaaS platforms, AI-powered applications, and automation systems using modern, production-ready tech stacks. My experience covers the full development lifecycle — from MVP builds to scaling and optimisation — with a strong focus on clean architecture, performance, and maintainability. I frequently work with: - React, Next.js, Node.js - Supabase & PostgreSQL - AI integrations (chatbots, automation, API-driven workflows) You’ll work directly with me, backed by a small, experienced team at One X Group. This means faster delivery, better reliability, and the ability to support projects beyond a typical solo freelancer setup.\\ Feel free to check our featured portfolio at _Website not available. Sign in: https://www.twine.net/signup_ Happy to collaborate on anything from rapid MVPs to long-term product development.…

Available to hire

Senior full-stack developer and Co-founder at One X Group.

I help startups and businesses build scalable SaaS platforms, AI-powered applications, and automation systems using modern, production-ready tech stacks.

My experience covers the full development lifecycle — from MVP builds to scaling and optimisation — with a strong focus on clean architecture, performance, and maintainability.

I frequently work with:

  • React, Next.js, Node.js
  • Supabase & PostgreSQL
  • AI integrations (chatbots, automation, API-driven workflows)

You’ll work directly with me, backed by a small, experienced team at One X Group. This means faster delivery, better reliability, and the ability to support projects beyond a typical solo freelancer setup.\

Feel free to check our featured portfolio at Website not available. Sign in: https://www.twine.net/signup

Happy to collaborate on anything from rapid MVPs to long-term product development.

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Language

English
Fluent
Chinese
Fluent

Work Experience

Co-founder & Head of Digital Solutions at One X Group
December 31, 2017 - Present
Designed high performance systems for multi-tenet applications with decoupled client + server micro-service architecture and real-time web technologies (Websockets, Pub/Sub). • Led a team of developers to create several production-grade web applications and enterprise systems such as data analytics platforms, real-time queue and reservation systems, point-of-sale with cloud-based thermal receipt printer integration, etc. • Provide strategic consultations with business owners in the areas of digitisation and technological adoption. Principal technical consultant for clients across retail to financial industries including Canon, UOB, Julius Baër and many others. • Technologies: Node.js (Express), PostgreSQL, React (SSR), GraphQL (Apollo), Google Cloud
Senior Software Engineer at MerryMaker
December 30, 2015 - October 31, 2017
Developed an eCommerce and inventory management system in a Single Page Application served to tens of thousands of users daily. • Designed over 150+ REST API endpoints via the Django Rest Framework. • Implemented a secure and robust payment gateway transacting > $100,000 in sales via BrainTree and Paypal APIs. • Technologies: Python (Django), PostgreSQL, React (SSR) + Redux, Ant UI, Semantic UI, Docker, Nginx, DigitalOcean, Apache, REST

Education

Bachelor of Business Management at Singapore Management University
August 1, 2011 - May 31, 2015

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services
    uniE621 UOB Wealth Management Platform
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