Arena
Applied AI Engineer
$150K–$250K
SF Bay Area · On-site · Full-time · Posted Sep 10, 2026
- Experience
- 4+ years of software engineering experience.
About the job
Partners with AI labs to integrate models and deliver evaluations, while building customer-driven engineering solutions for Arena’s platform.
What you'll do
- Own 5–15 active model lab relationships and serve as their day-to-day contact.
- Integrate models, run evaluations, and coordinate onboarding, releases, co-launches, and issue resolution.
- Build cross-stack solutions and process improvements based on customer feedback and research needs.
What they ask for
- 4+ years of software engineering experience, with strong fundamentals in data structures, algorithms, and system design.
- Production experience in TypeScript and modern web frameworks.
- Hands-on experience integrating LLM provider APIs, including streaming responses.
- Comfort working across frontend and backend; familiarity with cloud infrastructure and CI/CD workflows.
Pay
$150K – $250K (USD; base salary)
Tools
TypeScript, LLM provider APIs, modern web frameworks, cloud infrastructure, CI/CD
AI focus
Integrates AI models from lab customers, runs evaluations, and builds solutions that advance the platform for AI research and workflows.
Model-written summary · the original posting is authoritative