Senior Product Engineer (Full Stack) (m/f/d)

The role

You will own business problems end to end, from initial conversation to production and ongoing operation. You will build backend services, AI agents, and interfaces while working with Product to decide what to build.

What you will do

• Take problems from first conversation through production and ongoing operation
• Work with Product to decide what to build and why
• Measure whether shipped work performs, including monitoring and evaluating LLM-driven workflows
• Build backend services for pricing, inventory, orders, and integrations
• Build AI agents, their tools, and APIs
• Turn external data into reliable data for the wider business
• Design interfaces for commercial teams to review agent proposals and approve decisions
• Make and document technical decisions and their trade-offs
• Mentor other engineers through reviews, pairing, and feedback
• Help hire by running interviews and defining engineering standards

Required qualifications

• 5+ years building and running production software with real users and real consequences for failure
• Strong backend skills at production scale in Java or a comparable language (Kotlin, C#, Go)
• Willingness to work with Java and Spring Boot
• Experience with distributed, event-driven systems
• Solid PostgreSQL skills
• Hands-on AWS experience
• Full-stack delivery ability: backend depth plus capable TypeScript/React work
• Strong product sense
• Working language is English

Nice to have

• Hands-on experience with LLMs and agent frameworks
• Experience in trading, marketplaces, supply chain, fintech, or other domains where data errors cost money

Benefits

• Fulfil a role with entrepreneurial freedom and help scale a high-impact business model
• Join an experienced founding team of serial and 2nd-time founders
• Attractive base and bonus compensation program
• Collaboration with top-tier investors and angels (incl. various unicorn founders) as well as leading market experts

About the company

A11 is a next-generation supply chain platform that uses agentic AI and workflow automation. The company has a team of 80+ FTEs across Europe, China, and India.