Staff Fullstack Engineer – Agentic Product (m/f/d)

You will take on technical leadership and end-to-end ownership for a new, customer-facing Agentic Product at happyhotel, focusing on measurable impact. Your tasks include developing UI and backend services using TypeScript and Angular, and managing architectures for AI agents.

• You will take on technical leadership and end-to-end ownership for a new, customer-facing Agentic Product.
• You develop UI and backend services in our stack (TypeScript/Angular) and build robust APIs and integrations.
• You define success metrics, baselines, and guardrails.
• You identify high-leverage workflows to automate through intelligent agents.
• You design and implement architectures for AI agents - from tool use and orchestration to cost and latency control.
• You establish test sets and regression suites to ensure quality, safety, and reliability of AI features in production.
• You set benchmarks for testing, code quality, CI/CD, and scalability in a cloud environment (AWS).
• You raise the team level through design reviews and pairing, provide orientation, and set standards for AI reliability.

• You have a proven track record of releasing customer-facing products end-to-end (UX + backend + ops) successfully.
• You are technically deeply rooted in our stack (TypeScript + Angular).
• You balance technical excellence with business outcomes and make pragmatic decisions for the product.
• You are confident working with AWS, Docker, CI/CD and have a strong reliability mindset.
• You have hands-on experience with agentic coding or workflows (LLMs that plan and use tools).
• You communicate clearly in both German and English.