Hi, I’m Mark!
I’m a backend-focused Fullstack Developer based in San Jose, CA, specializing in scalable Node.js applications and production system architecture.
Recently shipped: Lingput.dev 
- an AI-powered language learning platform where I reduced API response times by 85% and built async job queue systems handling concurrent AI processing.
🚀 Recent Achievements:
- Cut API latency from 600ms → 85ms by implementing Redis caching to eliminate repetitive database queries
- Built async job system to replace blocking 30s API requests with background processing and real-time progress updates
- Implemented real-time progress tracking with custom React hooks for seamless UX
- Reduced deployment cycles by 80% (25min → 5min) via automated CI/CD
- Containerized entire application with Docker Compose for consistent deployments
- Architected clean backend with layered architecture (Controller/Service/Repository) and dependency injection
When I’m not building production-ready systems, I’m exploring the world - I’ve been to 25 countries and counting! 🌍 Coding has been my passion since I got my first computer at age 6.
💼 Open to backend and full-stack developer roles - let’s connect on LinkedIn !
Fullstack developer
Mark
My Tech Stack:
Languages
TypeScript 
JavaScript 
Python Frameworks & Libraries
Node.js 
Express 
Next.js 
React 
Socket.io 
Jest 
Vite.js Databases & Tools
PostgreSQL 
Prisma 
Redis 
BullMQ Infra & DevOps
Docker 
NGINX 
AWS 
Digital Ocean 
GitHub Actions 
GitHub 
NPM UI
Tailwind CSS 🎯 Core Expertise: API design, database optimization, caching strategies, job queues, containerization, and production deployments — specializing in backend systems that scale under pressure.
I have strong frontend skills with React/Next.js, but my main passion is building robust backend systems that scale.