<p class="PDq2pG_selectionAnchorContainer">We are looking for a Senior Backend Engineer with a strong focus on backend architecture, data integrations, and production-ready application development.</p><p>In this role, you will play a key part in transforming AI-generated prototypes and business workflows into reliable, production-ready applications using our engineering stack. While this is primarily a backend role, you should be comfortable making basic changes to the React/TypeScript frontend when needed to support end-to-end product development.</p><h3>Responsibilities:</h3><ul><li><p class="PDq2pG_selectionAnchorContainer">Build and maintain backend applications using Java 21 and Spring Boot, making basic changes to the React/TypeScript frontend when needed.</p></li><li><p class="PDq2pG_selectionAnchorContainer">Convert existing AI-generated and vibe-coded MVPs into reliable, production-ready applications.</p></li><li><p class="p1">Refactor prototype logic into clean backend services, typed APIs, database schemas, and maintainable end-to-end workflows.</p></li><li><p class="PDq2pG_selectionAnchorContainer">Design PostgreSQL schemas and manage database migrations with Liquibase.</p></li><li><p class="p1">Integrate BigQuery as a read source and maintain adjusted/published data views with clear source-of-truth boundaries.</p></li><li><p class="PDq2pG_selectionAnchorContainer">Follow OpenAPI-first development practices to build well-defined APIs and generate typed frontend API clients.</p></li><li><p>Implement backend observability using Spring Boot Actuator, Prometheus metrics, and structured logging.</p></li><li><p>Ensure applications are deployable, maintainable, and ready for engineering handoff.</p></li><li><p>Work with business stakeholders to preserve product intent while improving technical quality.</p></li></ul><h3>Requirements</h3><ul><li><p class="PDq2pG_selectionAnchorContainer">5+ years of backend development experience.</p></li><li><p class="PDq2pG_selectionAnchorContainer">Strong proficiency in Java 21 and Spring Boot 3.x.</p></li><li><h3>Strong experience with Maven.</h3></li><li><p class="PDq2pG_selectionAnchorContainer">Experience designing and building REST APIs using OpenAPI contract-first development.</p></li><li><h3>Experience with Spring Security.</h3></li><li><p class="PDq2pG_selectionAnchorContainer">Strong experience with PostgreSQL schema design and Liquibase.</p></li><li><p class="PDq2pG_selectionAnchorContainer">Experience with BigQuery or similar data warehouse technologies.</p></li><li><p class="p1">Experience with production readiness practices: observability, error handling, configuration, and deployment support.</p></li><li><p class="PDq2pG_selectionAnchorContainer">Solid understanding of versioned data, source-of-truth boundaries, data freshness, cache rebuilds, and fallback behavior.</p></li><li><p class="PDq2pG_selectionAnchorContainer">Experience with AI-assisted development tools (OpenAI, Claude, Cursor, Rep