AI Engineer
hace 2 semanas
Join to apply for the AI Engineer role at Quadrivia AIOwn and evolve the core “brain” service that powers Qu. Design, build, and operate multi-agent LLM systems that communicate in real time over text and voice. Ship fast Python services with FastAPI, keep latency low, quality high, and evaluation continuous.What You’ll Do Own Qu’s brain service end to end: architecture, SLAs, latency budgets, error modes, rollouts.Low‑latency comms: streaming text and voice, VAD, barge‑in, turn‑taking, interruption handling. WebRTC, SIP, and LiveKit experience is a strong plus.Multi‑agent orchestration: planner–executor–critic patterns, role routing, shared memory, tool routers, coordination protocols and evaluation.Reasoning & optimization: ReAct, Chain‑of‑Thought, plus Tree‑/Graph‑of‑Thoughts when useful.Programmatic prompt optimization: DSPy for prompt/program compilation; integrate MiPRO and GEPA for iterative prompt evolution under eval constraints.RAG engineering: high‑signal retrieval (chunking, hybrid search, re‑ranking), query rewriting, compression, caching, freshness, and strong grounding; evaluate faithfulness, context precision/recall, and answer relevancy.Evaluation & observability: Pre‑call validate inputs, enforce safety, and verify retrieval quality for RAG; in‑call trace prompts, tool calls, token/latency/cost and enforce streaming guardrails; post‑call run automated task evals (faithfulness, relevancy, hallucination, safety), regressions, red‑teaming, and CI/CD gates. Instrument with structured logs and OpenTelemetry, surface dashboards and alerts, and feed live traffic slices into shadow evals for drift detection.Minimum Qualifications 5+ years in ML or backend engineering in product environments; recent focus on LLM systems.Expert Python. Strong FastAPI, asyncio, pydantic, and production observability.Real‑time systems: you’ve built or integrated low‑latency text/voice. You have used LiveKit, Pipecat or similar tech.Working knowledge of agent patterns and eval‑driven development.Hands‑on with ReAct and CoT; pragmatic with ToT/GoT tradeoffs.Prior startup experience.Nice To Have DSPy for compilation and self‑improving workflows; MiPRO/GEPA integration.Experience with evaluation tooling and LLM‑as‑judge setups.WebRTC/SRTP, jitter buffers, SIP basics; LiveKit a plus.Example Problems You’ll Tackle Push median voice round‑trip under 2 seconds while preserving turn‑taking and barge‑in.Set up OTEL‑first tracing for the agent graph with automated eval triggers on production traffic slices.Improve our RAG pipeline with hybrid retrieval and re‑ranking, then prove gains via faithfulness and context metrics with regression harnesses.Turn EHR integrations into LLM tools.What You Get Work on cutting‑edge real‑time agent tech with a best‑in‑class team healthtech.Fun off‑sites in Barcelona.High‑tech laptop and solid dev ergonomics.Flexibility: work from home or hybrid in Barcelona/London.Seniority level Entry levelEmployment type Full‑timeJob function Engineering and Information TechnologyIndustries Health and Human Services#J-18808-Ljbffr
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