Alex Chen

Verified Builder

Senior Full-Stack & AI Systems Architect

San Francisco, CA (Remote)Availability: Co-founder8 Years Exp

PreBloom Score

88/100

Top 5% Contributor

Ex-Coinbase & YC founder. Love building zero-to-one web apps with Next.js, TypeScript, and fine-tuned LLM agents. Looking for an ambitious co-founder.

GitHub LinkedIn Portfolio

Builder Reputation Breakdown

PreBloom scores builders by meaningful participation and verified quality rather than comment spam.

Skills Proficiency24 / 25

Real-World Experience19 / 20

Startup Contributions & Code22 / 25

Founder Feedback & Endorsements14 / 15

Profile & Portfolio Completeness9 / 10

Recent Startup Activity

Reviewed architecture & MarketFit forInvoiceAI

2 days ago

Expressed interest as Co-founder forDevFlow

1 week ago

Skills & Industry Preferences

Technical Skills:

ReactNext.jsTypeScriptNode.jsPostgreSQLPythonLangChain

Target Startup Industries:

FintechDeveloper ToolsAISaaS

Invite to Your Startup

Send an invitation to Alex Chen to join as a Co-founder or explore an open role.