Senior Software Engineer, Analytics & Search (OLAP Platform)

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. Over 180,000 restaurant businesses run on Toast. About the team We are hiring a Senior Software Engineer to join our OLAP Platform team in Dublin. OLAP is the analytical data layer that powers real-time reporting, search and agentic data access for AI-driven products across Toast. We ingest events from across the business, index them into OpenSearch, and expose them to consumer teams through a federated GraphQL layer. One platform, many tenants, restaurant-critical latency and freshness. The team is in a pivotal stretch of work: scaling the platform to support more domains and more consumers, keeping performance and cost in balance as it grows, and opening it up safely to the next wave of AI-driven products. This is platform engineering at real scale - the systems you build here are consumed by other engineering teams and, downstream, by the tens of thousands of restaurants that run on Toast. What you'll need to thrive (Requirements) Strong backend engineering skills in Kotlin, Java, or another object-oriented language, with solid instincts around testing and code quality Experience working with large datasets, where correctness, freshness, and query performance all matter at the same time Comfort with document-based or columnar data stores (BigTable, DynamoDB or similar) A strong interest in core search engineering e.g. ranking algorithms, semantic search, natural language search etc Ability to work across team boundaries and pick up context quickly - OLAP touches almost every product area at Toast, and the work can be as much collaboration as execution The ability to break down a problem, understand what the consuming team actually needs, and ship a clean solu