Product Engineer (Full-stack)

Join to apply for the Full Stack Engineer (Product Engineer) role at Langdock

Join to apply for the Full Stack Engineer (Product Engineer) role at Langdock

We're seeking a highly skilled and proactive Product Engineer (Full Stack) to join our team full-time and in person. This is a fantastic opportunity for someone eager to develop features end-to-end and make a substantial impact in a fast-paced, early-stage startup environment.

You'll own the complete product development lifecycle - from concept to deployment - working across our entire tech stack to deliver AI-powered features that drive enterprise adoption. We are hiring for an on-site role in our HQ in Berlin, Germany.

Timeline After Start

• Weeks 1-2: Onboarding and small tickets to familiarize with codebase
• Weeks 3-6: Mix of smaller and mid-size tickets as well as being "support engineer" (on duty for a week, together with more experienced engineer to handle and fix all ad-hoc, incoming issues from customers)
• Week 6+: Work as a Product Engineer, working on building full screens and features end-to-end in our product. While working with our design team and customers to get insights, feedback, etc.

Responsibilities

• Own and develop complete product features from conception to user-facing implementation across our AI platform
• Build end-to-end solutions spanning frontend (Next.js), backend (Node.js), and database layers
• Collaborate with our design team and customers to gather insights, feedback, and iterate on product features
• Develop complete user interfaces including full screens, components, and user flows
• Maintain and optimize our codebase for performance and user experience
• Conduct code reviews and perform debugging tasks across the full stack
• Support our enterprise customers during rotation periods to understand real-world usage patterns

Required Skills

• 1+ years of proven experience building production applications with React and Tailwind CSS
• Solid backend development experience with Node.js and API development
• Database knowledge with PostgreSQL and understanding of data modeling
• Experience with modern development tools including Git, package managers, and bundlers
• API integration experience with REST APIs and modern patterns like tRPC
• Fluent English communication skills for technical discussions and customer interaction

Strong Plus

• Hands-on experience with Language Models and AI/ML integrations (OpenAI, Anthropic, Google, etc.)
• Enterprise software development experience with security and compliance considerations
• Experience with Redis for caching and session management
• Vector databases and semantic search implementation
• UI/UX design sensibility and experience working with design systems

About Langdock

We help organizations drive internal AI adoption through our enterprise-ready AI platform. Our product suite includes AI Chat, Assistants, Search, API, and Agents - enabling companies to roll out AI internally and build custom AI workflows.

We serve over 800 customers, from DAX companies to small startups, including enterprise clients like Merck KGaA, Der Spiegel, GetYourGuide, Babbel, and Personio. Millions of prompts are sent every week through our platform, providing secure, scalable AI solutions that integrate seamlessly with existing workflows.

Tech Stack: Next.js, TypeScript, Node.js, PostgreSQL, Redis, Prisma, tRPC, Tailwind CSS

Seniority level

• Seniority level

  Entry level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Software Development

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