Available to hire
Hi, I’m John Goh Rengwu, a frontend specialist with 6 years of experience shipping quality web products across fintech, open-source software, and HR industries.
I design user-centric interfaces, architect scalable code, optimize production systems, and guide happy, high-performing teams.
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Work Experience
Senior Frontend Engineer at Alphawave Innovations
May 1, 2024 - PresentLed end-to-end frontend development for Merchant and Staff portals for a Malaysian e-wallet provider, shipping the product from inception to production in 8 months. Retained full ownership of code and CI/CD pipeline. Architectural improvements increased delivery velocity by 34× through better abstractions. Built internal tools to improve cross-team efficiency and eliminate engineering involvement in non-core work. Established and oversaw daily frontend team practices, including codebase architecture, version control guidelines, and code reviews. Mentored team members and conducted candidate interviews.
Frontend Engineer & Designer at Flanksource
May 1, 2021 - August 1, 2022Contributed to frontend development of Canary Checker, an open-source Kubernetes-based health monitoring platform. Designed and built a reusable design system and React component library adopted across multiple internal projects.
Frontend Developer at TDCX
May 1, 2020 - May 1, 2021Developed Flash Coach, an internal platform for managing one‑on‑one coaching sessions and performance tracking. Main contributor to the full redesign and frontend overhaul of TDCX's corporate website, delivering within 2 months.
Software Engineer and Designer at Nixel Tech
February 1, 2019 - May 1, 2020Built Dr. Insight, a project-based financial management system for property developers and project contractors, delivering dashboards for cash flow, project health, and performance tracking. Developed and maintained high-traffic content platforms such as Tantannews (500K monthly visitors), ensuring stability and ongoing feature delivery. Designed and implemented full-stack web applications using Vue, React, and Laravel, from wireframes to production.
Intern Software Developer at Accendo Technologies
December 1, 2017 - March 1, 2018In charge of a print-friendly enterprise report generation feature used by PETRONAS and Maxis (110k employees). Contributed frontend features to Ignite, a React-based talent management platform. Delivered Vue-based landing pages for a talent management system by IJM Malaysia.
Education
Bachelor of Computer Science, majoring in Advanced Algorithms at Monash University
February 1, 2016 - May 1, 2019Qualifications
Industry Experience
Software & Internet, Financial Services, Professional Services
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Experience Level
Expert
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