Senior Software Engineer (Search Platform) - Poland

5+ years of experience as a backend or platform engineer working on large-scale, distributed systems Experience with at least one modern server-side stack (e.g., Ruby/Rails, Python, Java, Kotlin, Node, etc.) Proven experience with Elasticsearch and/or OpenSearch is highly preferred, including designing and operating clusters in production Solid understanding of vector databases, search infrastructure, indexing strategies, and query optimization is a huge plus Hands-on experience with production observability and reliability Practical knowledge of caching and performance tuning for networked services and search-heavy workloads Strong communication skills and comfort working in a remote-first, asynchronous environment Fluency in both Polish and English

Design and build platform services and tooling for search Define and roll out conventions for document modeling, index design, query patterns, and ranking Own and evolve our search infrastructure, focusing on scalability, resilience, and cost efficiency Partner with product squads to design search-backed features, review their implementations, and act as a consulting partner on search topics Implement and improve search observability, query optimization, caching, and fallbacks Take part in system design and architecture discussions on performance, scalability, and reliability of distributed search systems Mentor engineers in search concepts, distributed systems, and platform thinking, and evangelize search best practices across the org