David Lu
@david-lu
Senior Full-Stack Engineer with 9+ years of experience, focusing on frontend/backend and 4+ years in Solana blockchain
What I'm looking for
I’m a Senior Full-Stack Engineer with a strong track record in building and scaling web applications, APIs, and blockchain integrations. Over the past 9+ years, I’ve led end-to-end development for fintech and DeFi platforms, including on-chain smart contracts using Rust/Anchor and data-heavy frontends with Next.js. I enjoy collaborating with cross-functional teams to translate complex requirements into robust, maintainable software. I’m seeking opportunities to tackle challenging backend systems, performance optimizations, and blockchain-enabled products in a remote, globally distributed team.
Experience
Work history, roles, and key accomplishments
Senior Full Stack Engineer
Lifinity
Apr 2024 - Nov 2025 (1 year 7 months)
Architected and deployed Rust/Anchor smart contracts for a DEX, implemented Merkle-tree reward distributions and price oracles, and built a Next.js frontend with end-to-end mint/redeem/swap/deposit/withdraw workflows while passing an Ottersec audit to improve contract security.
Senior Full Stack Engineer
Motley Labs
Apr 2023 - Nov 2023 (7 months)
Designed and implemented a Golang data layer for NFTs and user activities, built a Next.js NFT marketplace with optimized page-loading strategies, and established CI/CD and GCP deployment pipelines while publishing a TypeScript SDK for marketplace actions.
Senior Full Stack Engineer
Yaku Corp
Nov 2022 - Apr 2023 (5 months)
Developed a TypeScript SDK for a Multisig contract, implemented custodial/non-custodial Rust/Anchor staking and NFT staking features, and built token crafting contracts with CPIs to manage in-game items and metadata.
Full Stack Engineer
UGS
May 2022 - Oct 2022 (5 months)
Integrated Cardinal staking and built a Next.js staking application, created a hyperspace-based NFT indexer and synchronized marketplace actions, implemented a pool-based raffle Rust/Anchor contract with multi-winner randomization, and added notification/admin tooling.
Full Stack Engineer
G Inc
Jan 2019 - Apr 2022 (3 years 3 months)
Delivered a monolithic REST API and hybrid mobile web app for a matching service using Golang and Angular Ionic, integrated payment gateway, implemented notifications with RabbitMQ, and designed AWS-based DevOps for scalable production deployments.
Full Stack Engineer
Lancers
Jan 2017 - Dec 2018 (1 year 11 months)
Built multiple web and mobile projects including a collaborative artist platform (Django + Angular), a travel booking system (Laravel + Google Maps), an e-commerce site (Rails), and a React Native alarm app, implementing auth, media, and API integrations.
Education
Degrees, certifications, and relevant coursework
Fukuoka University
Bachelor's degree, Computer Science
2012 - 2016
Bachelor's degree in Computer Science completed at Fukuoka University from September 2012 to August 2016, focusing on foundational software engineering and web development topics.
Tech stack
Software and tools used professionally
Google Tag Manager
Blockchain
Google Cloud Platform
GitHub
Kubernetes
Cloudflare
Jenkins
GitHub Actions
Dex
React Native
MySQL
PostgreSQL
MongoDB
Gmail
Node.js
Django
Laravel
Ruby on Rails
Next.js
Tailwind CSS
Google Analytics
Redis
React
JavaScript
Python
HTML5
ES6
CSS 3
Go
Kafka
RabbitMQ
NSQ
Fastify
Trello
Strapi
AWS Lambda
TypeScript
Docker
Solana
Burn
Dynamic
Availability
Location
Authorized to work in
Salary expectations
Job categories
Skills
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