Product Engineer

2 hours ago

Berlin, GermanyMid Level

Responsibilities

Speak with customers and translate their needs into product direction and system architecture.
Build full-stack features combining user interfaces, LLM orchestration, agent workflows, and structured data pipelines.
Improve the reliability, latency, and evaluation of production AI features.
Develop prototypes into robust production systems while balancing speed and maintainability.
Contribute to technical vision and product strategy and own projects from architecture through iteration.

At least 3 years of production experience building full-stack web applications with Node.js and TypeScript.
Proficiency with React and experience shipping complex B2B or enterprise products.
Hands-on experience building and deploying LLM-powered features, including prompt engineering, structured output parsing, context management, and error recovery.
Experience with LLM orchestration, agent workflows, vector stores, embedding pipelines, and structured data validation or evaluation.
Experience designing MongoDB schemas for query performance and flexibility.
Knowledge of distributed systems and serverless infrastructure, including concurrency and failure handling.
Familiarity with observability tools, metrics, and tracing for debugging asynchronous production workflows.
Track record of owning technical projects and improving products through user feedback, ideally in an early-stage or founding environment.
Logistics, supply chain, or operations experience is helpful.