Kepler AI
Full Stack Engineer
$200K–$280K
New York City · On-site · Full-time · Posted Jan 21, 2026
- Experience
- 5+ years building production software; no upper limit stated.
About the job
Build and own full-stack systems for Kepler’s AI research platform, including AI workflow orchestration, data extraction, provenance, and verification features for financial analysts.
What you'll do
- Build backend services, data pipelines, and frontend features across the platform.
- Develop extraction, provenance, and verification systems that make AI-generated research traceable and auditable.
- Own features end-to-end, including debugging, reliability improvements, and scaling platform architecture.
What they ask for
- 5+ years building production software.
- Strong TypeScript/React skills and backend experience; Rust experience is not required.
- Experience building systems where correctness matters, such as payments, data infrastructure, or healthcare.
- Understanding of distributed systems fundamentals, including concurrency, fault tolerance, retries, and idempotency.
Pay
$200K – $280K USD base salary
Tools
Rust, TypeScript, React, PostgreSQL, AWS, Claude, GPT, Cursor
AI focus
Build AI research infrastructure, including agent orchestration, data extraction, provenance tagging, and verification. The platform is model-agnostic; current models named are Claude and GPT.
Model-written summary · the original posting is authoritative