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Future Staff Applied AI Engineer

DeCircle


Job Location:

San Francisco, CA - USA

Yearly Salary: USD 250000 - 300000
Posted: 14 October 2026 (2 days ago)
Application Deadline: 11 January 2027
Vacancies: 1 Vacancy

Job Summary

Job description

Future (): personal fitness/health coaching; building the AI foundation of a new Health Coach product. $110M raised; board includes Tom Brady Eddie Cue Adam Bain.

Comp: $250K-$300K base (SF rates for all US) competitive equity. Location: Fully remote US time zones; optional anchor weeks at Brentwood LA HQ. Visa: Not open to visas (US citizen / Green Card).

Responsibilities
  • Build and ship production AI agents for Health Coach: tool-calling LLMs structured output parallel API orchestration streaming

  • AI features: coach matching clinical-leaning guidance (sleep nutrition fitness) human in the loop

  • Own the loop: prototype Langfuse evals/rubrics deploy monitor traces iterate

  • Improve reliability/latency/cost: prompt caching token budgets retries observability

  • Write agent tools (Pydantic-validated integrations) in an EPD pod

Tech stack: Python Async Python LangChain LangGraph LLMs Pydantic JSON Schema SSE Webhooks Langfuse AWS AWS Bedrock OpenTelemetry Datadog Terraform CDK

Source: requirements

  • 4-10 yrs; shipped LLM agents to production

  • Strong big-tech background ideally moved to startups or founded a company

  • Python/async LangChain/LangGraph Pydantic Langfuse AWS/Bedrock

  • Independent in a beta-stage environment; US citizen/GC

All done!

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Required Experience:

Staff IC


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Build onchain with a trusted full-stack platform including Arc, CPN, and USDC. Power payments, trading, and access to the agentic economy.

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