Senior Search Backend Engineer

Real innovation starts with a strong foundation and at commercetools that comes from the perfect balance of our product and our people.

Behind every leap forward is a collective of builders explorers doers makers and kind of people who not only pioneered a more flexible approach to commerce architecture but also shaped the culture of experimentation that approach unlocked. Together they are the engine of commerce innovation today.

At commercetools we power the next era of commerce for our customers. Whether its AI-driven solutions that help enterprises make smarter business decisions bridging digital and physical shopping experiences or enabling entirely new ways for industries to connect with their customers we help the worlds most ambitious companies experiment scale and grow without limits.

Here the best idea wins not the loudest voice. You will have the tools trust and space to not only build the future of commerce but to build your own.

As our Senior Search Engineer youll support the Search Foundation Team by developing a modern integrated search experience for our customers providing them with a search API for product discovery and the foundations of search capabilities across domains.

You will:

• Design and implement search functionalities in a PaaS ecommerce Scala backend.
• Learn Scala and functional programming as your new main development tools
• Develop search-related libraries based on ElasticSearch and MongoDB
• Run and maintain a scalable search infrastructure as code on top of Kubernetes using terraform and multi-tenant architecture
• Test software components regarding usability functionality and performance and work closely with Product Management and DevOps.
• Taking part in on-call rotation (with the worldwide distributed team) for production systems
• Take part in on-call rotations with a worldwide distributed team for production systems.

This role is hybrid with three days a week spent in our Munich Berlin London or Valencia office.

Youre a creative problem-solver who is wired to find solutions. You confidently dive into complex challenges and have a talent for making them simple for others. Your curiosity drives you to constantly grow and contribute to an environment of trust and teamwork.

Great ideas come from many paths and your unique perspective matters more than checking every box. What matters most is the mindset you bring to the work.

You bring:

• At least 5 years of experience as a Software Engineer working with languages on the JVM
• Search-related experience (preferably ElasticSearch)
• Strong DevOps mindset as you will drive lots of infrastructure improvements
• Interest in working with Scala using pragmatic functional programming patterns
• Practical work experience in developing server-side systems using the JVM
• Solid understanding of parallel and asynchronous programming as well as non-blocking I/O
• Experience in developing REST APIs and knowledge of scalable architectures (incl. sharding replication load balancing and failover)
• Fluent English for work in international teams

• A genuine curiosity for using AI tools to work smarter and more effectively paired with a drive to learn and put them into practice in your role.

Nice to Have:

• Experience developing REST APIs and knowledge of scalable event-driven architectures (incl. queues notification topics sharding replication load balancing and failover).
• Experience working with Scala or other functional programming languages.
• Experience with infrastructure work and other technologies like Helm Kubernetes and Rust.