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Xin Huang

@xinhuang

Senior full-stack engineer at Infini who shipped a stablecoin Financial OS across web, mobile, payments, and merchant operations.

China

Message

What I'm looking for

I'm open to worldwide remote work in full-time, contract, or part-time/fractional roles.

At Infini, I owned the React Native app and front end for a stablecoin Financial OS spanning seven surfaces. I delivered Personal and Business modes in one codebase, along with a crypto payment gateway supporting multi-chain stablecoin collection and fiat on-ramps.

At Avenir Capital, I led architecture and critical feature delivery for a compliant Web3 exchange. I moved market-data processing into a Rust/WASM worker pipeline with explicit backpressure, then built the order-book depth chart and a customized TradingView integration.

I’ve also delivered cross-platform apps, Web3 products, and AI-native workflows. My Agent OS project uses LangGraph for multi-agent task execution, while Zaoqi is a voice-first cooking companion I designed and shipped for iOS.

Experience

Work history, roles, and key accomplishments

Senior Full-Stack Engineer / React Native Lead

Infini

Aug 2025 - Aug 2026 (1 year)

Owned the stablecoin Financial OS product matrix across 7 surfaces, including the React Native app with Personal and Business modes. Built a production crypto payment gateway and delivered enterprise finance features.

React Native Expo React Next.js TypeScript TurboRepo Tanstack Query Zustand Wagmi Viem Web3 Crypto Payments KYC Sentry

Senior Front-End Engineer / Front-End Lead

Avenir Capital

Aug 2024 - Aug 2025 (1 year)

Led architecture and critical feature delivery for a compliant Web3 exchange and its management back office. Implemented a Worker-based Rust/WASM pipeline for market data and built core trading modules.

React Next.js TypeScript MobX Rust WASM WebWorkers WebSockets JSON schema Trading View KYC Cursor MCP

Senior Front-End Engineer / Team Lead

Shenzhen Chuangkuai Technology

Apr 2022 - Aug 2024 (2 years 4 months)

Delivered Confti, Waffle.cash, and Waffle perpetual-contract exchange end to end. Owned architecture, component library, and release management while coordinating cross-functional teams.

React Next.js TypeScript MobX EthersJS Web3.js EVM Web3 DeFi

Senior Front-End Engineer

International Digital Economy Academy (IDEA)

Jan 2021 - Apr 2022 (1 year 3 months)

Architected the WireMin Desktop privacy-focused IM client and its component library. Built an online metaverse meeting venue with Pixi.js, integrating Agora and Tencent real-time audio/video SDKs.

React MobX Canva WebGL ThreeJS Pixi Audio Video Agora Tencent

Senior Front-End Engineer

Ping An Technology (Shenzhen)

Jul 2017 - Jan 2021 (3 years 6 months)

Built mobile H5 and React Native features for vehicle OBD management, government-service software, and the iShenzhen city-services app. Developed Python 3 data-collection pipelines for sentiment analysis.

React React Native Vue.Js Hybrid H5 Python Kafka Mobile Development

Front-End Lead

Beijing Moyou Information Technology

Jun 2014 - Jul 2017 (3 years 1 month)

Independently shipped a cross-platform React Native news app for iOS and Android and the H5 for a social gaming app. Built a content-aggregation service and REST API with Python, BeautifulSoup, Selenium, and Flask.

JavaScript jQuery Ionic React Native Android Native Modules Python Flask ThreeJS REST APIs

Front-End Engineer

Dr. Peng Telecom & Media Group

Oct 2010 - Jun 2014 (3 years 8 months)

Independently delivered websites and front ends for telecom, broadband, and cloud-hosting business units, plus set-top-box and early 5G concept products.

JavaScript HTML5 CSS ActionScript3