AI Engineer (m/f/x)
commercetools4 hours ago
Berlin, GermanySenior
Responsibilities
- Build agent loops and orchestration with tool use, structured outputs, business-rule enforcement, and graceful failure.
- Build MCP-based integrations that allow agents to securely call backend systems and business APIs.
- Render model output in live, streamed, accessible generative user interfaces.
- Develop retrieval, embedding, feedback-loop, evaluation, and observability systems for AI capabilities.
- Take AI capabilities from prototypes to measured, guard-railed production features and operate them end to end.
Requirements
- Ship and own full-stack applications in production across frontend, backend, deployment, and operations.
- Have 5+ years of production software experience and 2+ years building LLM applications used by real users.
- Have hands-on experience with generative or agent-driven UI protocols such as A2UI, AG-UI, or MCP-UI.
- Have experience with prompt and context engineering, agents, tool use, structured outputs, evaluations, MCP, Python, TypeScript/Node, React, asynchronous programming, streaming, and observability.
- Have working fluency with retrieval, embeddings, and SQL.
- Preferred qualifications include fine-tuning or distillation experience, e-commerce or marketplace experience, and a 0-to-1 track record.
Benefits
- Comprehensive health benefits for employees and dependents, including personalized mental health support through OpenUp.
- Annual learning budget, self-paced learning platforms, language training, coaching, mentorship, and leadership programs.
- Additional fully paid parental leave through Family Leave Plus.
- Equity participation program.
- Full-time hybrid work arrangement in Berlin, Munich, London, or Valencia.
Tech Stack
Categories
About commercetools
commercetools builds a cloud-native, API-first commerce platform used by enterprises to run B2C and B2B storefronts across channels. Its SaaS products provide headless commerce, catalog, checkout, and order management that developers integrate via microservices and SDKs, sold by subscription with enterprise support. Founded in 2010 and headquartered in Munich, it serves global brands; public references include Sephora, Volkswagen Group, NBCUniversal, and Danone.