Build and maintain backend services, REST APIs, data layers, tests, and microservices for a SaaS platform. Responsibilities include debugging distributed production systems, managing PostgreSQL and advanced data stores, documenting APIs and data models, participating in Agile development and code reviews, and owning a platform domain. The role requires Java or Kotlin, Spring Boot, API design, database optimization, monitoring, security tooling, and AI-assisted development. Preferred experience includes Go, Neo4j, RabbitMQ, Redis, multi-tenant SaaS, event-driven systems, microservices, and containerization.

Build and scale automated testing frameworks, end-to-end regression suites, API and integration tests, and test data infrastructure for a SaaS platform. Diagnose distributed-system failures using logs, API data, Datadog, and AI tools. Define QA standards, document test strategies, participate in Agile delivery and code reviews, and mentor QA analysts in automation practices.