Frontend Engineer · Sydney, AU

I build things
people actually
want to use.

Full-stack developer with 4+ years building production web and mobile apps. React, React Native, Next.js, and Node.js REST APIs — with hands-on experience integrating third-party platforms like QuickBooks Online, Razorpay, and Supabase into real products.

4+
Years building
MCS
Uni of Wollongong
~/vinay — zsh
$ whoami
 Vinay Sounderraj, Frontend Engineer
$ skills --top
 TypeScript React Next.js React Native
$ status --current
 Open to work · Sydney / Remote
$ contact
 me@vsxd.dev 
TypeScript
React.js
Next.js
React Native
Node.js
Supabase
PostgreSQL
OAuth 2.0
GraphQL
Tailwind CSS
Figma
AI-Assisted Dev
TypeScript
React.js
Next.js
React Native
Node.js
Supabase
PostgreSQL
OAuth 2.0
GraphQL
Tailwind CSS
Figma
AI-Assisted Dev
Skills

What I work with.

Production tools, not tutorial demos. Every skill below has shipped real code.

Languages & Frameworks
TypeScript React.js React Native Next.js (App Router) JavaScript Node.js Tailwind CSS
Backend & Database
Supabase Strapi REST APIs Webhook Integration
Authentication & Security
Supabase Auth JWT RBAC ABAC API Security
Payment & Integration
Razorpay QuickBooks Online API Fast2SMS Resend
Dev Tools & Platform
Git Figma Postman ngrok Vercel
AI Tools
Claude Code
Experience

Where I've worked.

Jun 2022 – Jan 2023
Capital Numbers
Remote
Software Development Engineer
  • Developed cross-platform mobile applications using React Native, delivering features across iOS and Android for 3+ client projects in multiple industries
  • Collaborated with backend and design teams to integrate RESTful APIs and third-party services
  • Transformed UI/UX Figma designs into functional, pixel-perfect frontend code meeting client expectations consistently
  • Wrote clean, optimised code with proper documentation in line with client requirements
May 2020 – Jun 2022
Classspace (Regaltusk Pvt Ltd)
Hyderabad, India
Software Development Engineer
  • Developed and maintained Classspace, an e-learning edtech platform for online tutoring with video conferencing support
  • Built the backend API using the open-source headless CMS Strapi, reducing content update time
  • Extended Strapi's source code to implement custom JWT claims and validation, enabling ABAC at a much deeper level than Strapi's open-source offering provides
  • Integrated the Jitsi Meet open-source SDK for in-app video conferencing functionality
  • Integrated Snowplow Analytics for product analysis and user behaviour tracking across web and Android
Aug 2026 – Present
Freelance — Brothers Group
Wollongong, NSW, Australia — Remote
Full Stack Developer
  • Developing an invite-only client portal for a professional cleaning and facility management company serving 80+ clients throughout the Illawarra region
  • Integrated the QuickBooks API via OAuth and designed a webhook pipeline to auto-provision Supabase user accounts when estimates are created in QuickBooks
  • Optimised API performance by embedding the QuickBooks Customer ID into the Supabase JWT (app_metadata), removing redundant database lookups on every API request
  • Handled production-grade edge cases including expired invite tokens and duplicate display-name validation against QuickBooks
Education

Where I studied.

Feb 2023 – Dec 2024
University of Wollongong
Wollongong, NSW, Australia
Master of Computer Science
2014 – 2018
Sreenidhi Institute of Science & Technology
Hyderabad, Telangana, India
Bachelor of Technology — Computer Science & Engineering
Projects

Things I've shipped.

Real products, real users, real edge cases handled.

Contact

Let's build
something real.

Open to frontend, fullstack, and software engineering roles in Sydney — hybrid or remote. I reply within 24 hours.

Message sent!

I'll get back to you within 24 hours.