Artificial Intelligence Engineer

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We’re partnering with a venture-backed startup led by a founder who has built and taken two technology companies to IPO
, now assembling a world‑class team to tackle one of the most impactful problems in applied AI.

The company is developing a voice‑enabled AI copilot used by professionals to eliminate the friction from documentation and decision‑making, a product with genuine, real‑world impact that’s already being used in production environments.

They’re now looking for a Senior/Staff AI Engineer to own and evolve the core “brain” service behind this assistant, the system that powers reasoning, retrieval, and dialogue in real time.

• Real ownership: You’ll be the architect behind a core AI system, not a feature contributor.
• Fast‑moving environment
• Immediate impact: Your code will run in production and support real users from day one.
• Technical depth: Multi‑agent reasoning, voice‑streaming, RAG optimisation and all in one system.
• Flexible setup: Remote across the EU, with optional co‑working in London or Barcelona.

• Obsessive about latency, you think in milliseconds, optimise for concurrency, and understand the trade‑offs between speed, cost, and model performance.
• Design, implement, and product ionise multi‑agent LLM systems that reason, plan, and coordinate.
• Develop FastAPI‑based microservices optimised for low latency and high reliability.
• Engineer and evaluate RAG pipelines: hybrid retrieval, re‑ranking, grounding, and context validation.
• Integrate real‑time voice interfaces (STT/TTS, WebRTC, Live Kit) into intelligent conversational flows.
• Instrument and evaluate system performance using observability and model‑faithfulness metrics.

• Proven ability to build and ship agentic or multi‑agent frameworks into production.
• Expert Python, FastAPI, and asyncio developer.
• Practical experience with Lang Chain, Autogen, or custom orchestration layers
• Startup mindset: ownership, speed, and pragmatism over perfection.
• Experience working with voice or streaming systems (STT/TTS, WebRTC, Live Kit).
• Exposure to evaluation tooling, LLM‑as‑judge setups, or agent benchmarking.
• Background in healthtech, fintech, or other compliance‑heavy sectors.

• Mid‑Senior level

• Full‑time

• Software Development

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