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Contra: Fullstack Engineer
CloudDevs
- San Francisco, California, United States
- San Francisco, California, United States
About
Contra for Companies ,
Contra Ads Network , and
Creative RLHF & Evaluation Services
for AI labs and creative‑tool companies.
We’ve raised over $51M from leading investors like NEA, Unusual Ventures, and Cowboy Ventures—and we’re just getting started.
What you’ll do:
Build end-to-end features in our TypeScript, GraphQL, React monorepo, including AI capabilities (LLMs, embeddings, vector search, evals)
Ship polished AI-driven user experiences that delight users
Contribute to test suite, RFC process, code reviews, and cross‑functional product development
Maintain code quality, eliminate technical debt, and improve performance
What you need:
Strong understanding of modern LLM systems, products and workflows
Experience building performant, scalable systems with TypeScript, React, GraphQL
Excellence in independent problem‑solving with high standards for quality
Ability to thrive in fast‑paced, remote environment with strong communication skills
Our Stack:
Frontend: React, Relay, PandaCSS
Data: Airbyte, dbt, Google BigQuery
Testing: Playwright, Vitest
AI: OpenAI, Cursor, Supermaven, CodeRabbit (for code reviews — it’s actually great!)
Total Comp:
Home Office Budget
We will provide you with a company laptop on your start date
Interview Process
Intro Call with Recruiting Team (15‑20 minutes)
Interview with CTO & Co‑Founder (30 minutes)
Technical Interview with Engineering Manager (60 minutes)
Culture & Cross‑Functional Interview (40 minutes)
Interview with CEO & Co‑Founder (30 minutes)
Note: Contra communicates with applicants through @contra.com domains only. We never ask for money from potential employees. For the latest job postings, visit .
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Languages
- English
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