(Senior) Product Engineer - m/f/d

The role

Product Engineers own customer problems from discovery through production. You will build solutions across the stack, including chat, agents, and workflow automations, to turn AI capabilities into enterprise products.

What you will do

• Own customer problems and outcomes from discovery through production
• Decide product functionality, scope, interaction, architecture, and sequencing
• Evolve core Langdock experience for models and agents
• Design new interfaces for agentic work
• Build governance and evaluation capabilities for agents
• Develop the Library system for attachments and generated outputs
• Extend Workflows for automating long-running work
• Build Excel and Outlook integrations
• Lead fixes if shipped changes break in production

Required qualifications

• 3 to 6 years of experience building and shipping full-stack product software
• Experience with TypeScript, React, Node.js, databases, and queues
• Ability to investigate underspecified problems and find simple solutions
• Understanding of large language model behavior including context windows, tool calling, streaming, provider differences, and failure modes
• Existing right to work in Germany

Nice to have

• Familiarity with TypeScript, React, Next.js, Tailwind CSS, React Native, Expo, Node.js, PostgreSQL, Prisma, Redis, BullMQ, and various AI engines

Benefits

• Equity
• Lunch provided
• Dinner available for those staying later

Before you apply

• You need an existing right to work in Germany
• We do not currently sponsor visas

About the company

Langdock is the AI platform used by more than 10,000 companies to give employees secure access to leading AI models, build agents, and automate workflows.