Senior AI Search engineer
commercetools10 hours ago
London, United KingdomSenior
Responsibilities
- Design and implement search functionality in a Scala-based PaaS ecommerce backend.
- Build scalable, multi-tenant retrieval systems, including semantic and hybrid search capabilities.
- Work across query understanding, vector indexing, search relevance, performance, and query cost optimization.
- Analyze user needs and evaluate technical approaches.
- Test software components for usability, functionality, and performance.
- Collaborate closely with Product Management and DevOps.
- Participate in on-call rotations for production systems with a worldwide distributed team.
Requirements
- At least 5 years of experience as a software engineer working in search.
- Experience building search solutions with Elasticsearch, Solr, OpenSearch, or similar engines.
- Experience with modern search strategies such as vector search, hybrid search, learning to rank, and re-ranking.
- Experience developing REST APIs and understanding scalable event-driven architectures, including queues, notification topics, sharding, replication, load balancing, and failover.
- Experience with Scala or other functional programming languages.
- Experience with infrastructure work and technologies such as Helm, Kubernetes, and Rust is preferred.
- Fluent English communication skills for working in international teams.
- Curiosity about using AI tools to work more effectively and willingness to learn and apply them.
Benefits
- Hybrid work arrangement with three days per week in the Munich, Berlin, London, or Valencia office.
- Comprehensive health benefits for employees and dependents, including access to OpenUp mental health support.
- Annual learning budget, self-paced learning platforms, language training, personalized coaching, mentorship, and leadership programs.
- Additional fully paid parental leave through the Family Leave Plus program.
- Equity participation program.
- Inclusive equal-opportunity workplace welcoming applicants across diverse identities and backgrounds.
Tech Stack
Categories
About commercetools
commercetools builds a cloud-native, API-first commerce platform used by enterprises to run B2C and B2B storefronts across channels. Its SaaS products provide headless commerce, catalog, checkout, and order management that developers integrate via microservices and SDKs, sold by subscription with enterprise support. Founded in 2010 and headquartered in Munich, it serves global brands; public references include Sephora, Volkswagen Group, NBCUniversal, and Danone.