Jerome GaoFull Stack Engineer
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Projects / Full-stack delivery

Work with the system boundaries left visible.

Selected production work and independent products, written around responsibilities, data flow, technical decisions, and what actually shipped.

Professional work

Products delivered inside engineering teams, with contribution boundaries stated in each case study.

  1. 01
    Carsome / Apr 2021 - Nov 2023

    Carsome Platform and Inventory Operations

    Frontend Engineer with full-stack ownership across three connected systems

    I worked across a Nuxt SSR website, a multi-framework CMS, and a NestJS inventory service that kept warehouse activity and downstream systems in sync.

    NestJS / MongoDB / Redis / Bull / Nuxt.js
    Read case study
  2. 02
    Pintec / Jun 2018 - Feb 2020

    Xuanji Intelligent Investment

    Full-stack contribution across Express, MySQL, React, React Native, and shared product logic

    I worked from Node.js and Express APIs backed by MySQL through to onboarding, KYC, risk assessment, portfolio, and rebalance flows on web and mobile.

    Node.js / Express / MySQL / React / React Native
    Read case study

Independent products

Products where I own the path from backend and data to clients, deployment, and operations.

  1. 01
    Independent product / 2026 - Present

    Osprey Pulse

    Independent Full Stack Engineer and product owner

    I designed and shipped the product from its bilingual Next.js and Expo experiences through the ASP.NET Core API, structured AI planning, PostgreSQL model, automated tests, Android preview, and an OpenTofu- and Ansible-managed production path.

    ASP.NET Core 10 / EF Core / PostgreSQL / Gemini / Next.js 16
    Read case study
  2. 02
    Independent product / Apr 2026 - Present

    Mealway

    Independent Full Stack Engineer and product owner

    I designed and shipped the product path from Next.js and Expo screens through ASP.NET Core services, Gemini workflows, PostgreSQL, tests, Docker, and Azure Container Apps.

    ASP.NET Core 10 / EF Core / PostgreSQL / Gemini / Next.js
    Read case study
  3. 03
    Independent product / Feb 2025 - Present

    RateEverything

    Independent Full Stack Engineer and product owner

    I built and deployed the system from Next.js and React administration through NestJS, FastAPI, PostgreSQL, automated tests, and cloud delivery.

    Next.js / React / TypeScript / NestJS / FastAPI
    Read case study

Other projects

Additional shipped product work across commerce and realtime mobile experiences.

Pintec / Shipped, now offline

Buy It Mall / GouTa Mall

Node.js full-stack commerce

Delivered a custom commerce platform across responsive web and embedded mobile clients, backed by catalog, order, campaign, analytics, and operations APIs.

Node.js, Express, MySQL, React, mobile WebView
2025

Te Kemu Arapu

Full Stack Engineer

A Te Reo Maori learning game with rooms, realtime turns, game state, scoring, and single-player and multiplayer flows.

React Native, Expo, Supabase, PostgreSQL