AI, LLM & RAG Developer
Senior
Builds AI features into production products — model integration, retrieval pipelines, and the engineering around them. Leads technical delivery on AI builds.
- Python
- OpenAI API
- Claude API
- LangChain
- RAG
Hire Codex Engineer
Hire Codex engineers who treat agent output like a PR, not gospel
OpenAI Codex in your stack — with the judgment to test, review, and merge what actually holds up in production.
Browse all developers →The right fit
Your team is experimenting with Codex or ChatGPT agent mode but needs someone who can wire it into real repos: branch strategy, CI gates, and clear ownership when the agent misses an edge case. We place engineers vetted on agent-assisted delivery — understanding the diff beats accepting the first pass.
Typical stack
- OpenAI Codex
- ChatGPT
- Cursor
- Claude
- Python
- TypeScript
- GitHub Actions
- pytest
Starting rate: $500–$2,500/week
Full pricing details →Models & APIs we integrate
Production routing across model upgrades — billing, fallbacks, and evals included.
- Claude Opus & Sonnet
- GPT-4.x
- Gemini
- Open-source weights (Llama, Mistral)
Vetted and ready this week
Vetted codex engineers ready this week. Every one clears a live vetting process — we introduce them by name once you request an interview.
Full-Stack React & Node.js Developer
Senior
Full-stack product work across React front ends and Node.js services. Comfortable owning a feature from database schema through to shipped UI.
- React
- Next.js
- Node.js
- TypeScript
- JavaScript
MERN Full-Stack Developer
Senior
Full-stack development across JavaScript front ends and Node.js back ends. Works well embedded in an existing team and codebase.
- React
- Node.js
- JavaScript
- MongoDB
- Express.js
How hiring a codex engineer works
Matched within about a week of the intro call. An NDA is signed before anyone gets GitHub, Slack, or production access.
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You share your brief
Form or call. Your stack, headcount, and timeline.
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We match you — in days, not months
Vetted candidates who fit your stack, introduced within about a week.
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They work in your codebase
NDA first, then a scoped task in your repo. Output before commitment.
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Chloe Reynolds onboards you
Chloe Reynolds sets up the first weeks and stays on the account.
Then the follow-up loop
You always know where the project stands and how to escalate. We are not a job board that disappears after placement.
Related client work
Magicshot.ai
85+ AI tools live — with engineers who could keep pace as models changed weekly
Magicshot.ai shipped 85+ AI tools with weekly model changes. Engineers who work with coding agents daily kept quality bar high as automation sped up output.
Read case study →Related roles
Teams hiring a codex engineer often need one of these alongside it. Same vetting standard, same month-to-month terms.
More client work
- Oaklo Social Trust Search Platform Web and mobile live with Social Trust™ scores and AI review summaries
- Websites.ly AI-Powered Website Builder 6,000+ users, multi-page AI generation, custom domains, and a code editor — live and growing
- MedMatch Network Healthcare Referral & Patient Engagement Platform Digital Referral Script live across a network of 19,900+ physicians
Hire a vetted codex engineer this week
Tell us your stack and timeline. We match within about a week — month-to-month, 30-day trial available.