(Senior) Product Engineer (Backend) (m/f/d)

About the Role

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a (Senior) Product Engineer (Backend) based in Germany. Join a product-focused engineering team building AI-powered experiences for frontline employees across retail, manufacturing, and logistics.

You will take deep ownership of backend systems while staying connected to the complete user journey and product experience. The role combines backend engineering, SaaS development, product thinking, and practical use of AI-powered development tools. You will work closely with product managers, designers, and engineers across backend, frontend, mobile, and AI.

Accountabilities

• Design, develop, and maintain reliable and scalable backend services for SaaS products
• Build APIs, data models, integrations, and other backend capabilities using Kotlin or Java and modern web frameworks
• Take ownership of features from problem discovery and prototyping through development, rollout, and impact measurement
• Collaborate closely with product managers, designers, and engineers across backend, frontend, mobile, and AI
• Extend beyond backend development when needed, contributing to web, mobile, infrastructure, or other areas
• Use AI coding assistants and modern development tools to explore unfamiliar codebases and accelerate development
• Focus on user outcomes rather than simply completing predefined technical tickets
• Contribute to technical decisions, engineering practices, code quality, and scalable product architecture

Requirements

• Professional experience in backend software engineering, with openness to candidates ranging from a few years of experience to senior-level engineers
• Strong hands-on experience with Kotlin or Java and a web framework such as Micronaut or Spring
• Experience developing SaaS products, ideally in an Agile or cross-functional product environment
• Familiarity with AI-powered coding assistants such as Cursor, Claude Code, GitHub Copilot, or similar tools
• A product-minded approach, with the ability to understand user problems and take ownership through delivery
• Strong curiosity, adaptability, communication skills, and engineering judgment
• Knowledge of instrumentation and experimentation tools, such as A/B testing, Grafana, or Mixpanel, is advantageous
• Experience with Kubernetes and Helm is a plus
• Practical experience with PostgreSQL is beneficial
• Familiarity with messaging technologies such as RabbitMQ or Apache Kafka is advantageous

Benefits

• Remote-first working model with the flexibility to work from home, within the European Union
• Occasional team events, workshops, and meetings at offices in Berlin or Stuttgart
• Flexible work-life balance and E-Gym-Wellpass membership
• Job bike leasing
• Regular team events and culture days
• Opportunity to play an active role in shaping a rapidly growing technology company