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Software Engineer, Agent (German speaking)

London💼 Full-time🗓 2025-08-21 → 2026-09-25

Core

Design and deliver production-grade AI agents that drive revenue for Sierra's platform, serving large enterprises and startups in finance, healthcare, and commerce.

Role type

Senior IC software engineer (AI agents)

Builds

Production AI agents, agent frameworks, and platform features

Domain

AI/LLM, enterprise software, customer experience

Deliverable

production ML models | product features

Required skills

end-to-end production system building, technical problem-solving in ambiguous environments, customer-facing technical work, German (professional fluency), English (professional fluency)

Preferred skills

building/deploying AI/LLM systems in production, founding engineer experience, agent tooling (eval frameworks, RAG, prompt engineering), React, TypeScript, Go

Responsibilities

Design and ship highly performant, reliable AI agents; own the Agent Development Life Cycle from pilot to deployment; partner with enterprise leaders and startups to solve business challenges; shape platform evolution based on customer needs; experiment with voice models and integration at scale

Seniority

Senior, hands-on IC

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