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Full-Stack Engineer · Open Source · AI

Alex Chen

$npxview-portfolio--format=awesome

Full-stack engineer with 6+ years building scalable web applications. Passionate about developer experience, open source, and turning complex problems into elegant solutions. Currently focused on AI-powered tools and real-time systems.

Years Experience

Projects

Skills

Certifications

Experience

0000000

Senior Software Engineer

Vercel@ San Francisco, CA (Remote)Jan 2023 → Present

├Led development of the Edge Functions runtime, reducing cold start times by 62%

├Architected a real-time collaboration system serving 2M+ daily active developers

├Mentored 4 junior engineers and established team code review standards

└Open-sourced internal tooling that gained 3.2K GitHub stars in first month

0000001

Software Engineer II

Stripe@ Seattle, WAMar 2020 → Dec 2022

├Built payment processing microservice handling $2.1B in annual transactions

├Reduced API latency by 40% through query optimization and Redis caching

├Designed webhook retry system with 99.97% delivery guarantee

└Led migration from monolith to event-driven architecture (18 services)

0000002

Frontend Developer

Figma@ San Francisco, CAJun 2018 → Feb 2020

├Developed real-time multiplayer cursor system used by 4M+ designers

├Built plugin marketplace UI serving 10K+ community plugins

└Improved Lighthouse performance score from 67 to 94 across core pages

Tech Stack

Languages

TypeScript95%

Python88%

Rust72%

Go70%

SQL85%

5 skills

Frontend

React / Next.js95%

Vue / Nuxt78%

Tailwind CSS92%

Framer Motion80%

4 skills

Backend & Infra

Node.js92%

PostgreSQL88%

Redis85%

Docker / K8s75%

AWS / Vercel90%

5 skills

AI / ML

LangChain80%

OpenAI API85%

RAG Pipelines78%

Vector DBs72%

4 skills

Projects

Featured

DevFlow

Open-source AI-powered code review tool that analyzes PRs for bugs, security vulnerabilities, and performance issues. Used by 800+ repositories.

Next.jsTypeScriptGPT-4GitHub APIPrisma

Pulse Analytics

Real-time web analytics dashboard with sub-second query times. Privacy-first alternative to Google Analytics. Handles 50M+ events/month.

ReactClickHouseGoRedis+1

SyncDB

Lightweight offline-first database sync library for React apps. Conflict resolution via CRDTs. 2.8K GitHub stars.

TypeScriptIndexedDBCRDTsWebSockets

Termfolio

Interactive terminal-styled portfolio generator. Users type commands to navigate. Featured on Hacker News with 340+ points.

Reactxterm.jsFramer MotionVercel

Education

B.S. Computer Science

University of Washington

18year

$ 2014 — 2018

Focus on distributed systems and HCI. Teaching assistant for CS 341 (Algorithms). Dean's List 6 semesters.

Certifications

✓

AWS Solutions Architect Professional

Amazon Web Services2024

✓

Google Cloud Professional Developer

Google Cloud2023

✓

Certified Kubernetes Administrator

CNCF2022

Testimonials

“

One of the most technically talented engineers I've worked with. Alex doesn't just write code — he thinks deeply about architecture and developer experience. His work on our Edge runtime was transformative.

Sarah Lin

Engineering Director at Vercel

“

Alex took ownership of our entire payment processing pipeline and completely re-architected it. The result was a 40% latency reduction and zero downtime migration. Exceptional problem-solver.

Marcus Rivera

Staff Engineer at Stripe

Let's Connect

Ready to build something amazing together?

alex.chen.dev@example.com

Location

San Francisco, CA

send_message() →

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