Jerome GaoFull Stack Engineer

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
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Independent products

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

  1. 01
    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
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  2. 02
    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
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Additional work

A compact record of other relevant product work. Deeper case studies will be added when there is enough evidence to make them useful.

Pintec

Buy It Mall / GouTa Mall

Node.js full-stack commerce

Custom commerce flows 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
2026-present

Osprey Pulse

Independent full-stack product

A current web and mobile product with a typed .NET API, identity, relational data, observability, and shared cross-platform product work.

ASP.NET Core, PostgreSQL, Next.js, Expo