b2spin - Senior Java Engineer
Requirements
• Extensive production experience with Java and its ecosystem • Solid understanding of relational database principles (preferably PostgreSQL) and messaging concepts (preferably Kafka) • Strong system design, troubleshooting and debugging capabilities • Comfortable and proactive in using AI coding assistants (GitHub Copilot, Claude Code, etc.) as productivity multipliers • Practical experience validating, refining, and taking ownership of AI-generated output • Upper-intermediate or higher level of English
Responsibilities
• Design and deliver clean, scalable, and testable Java-based backend systems with minimal supervision • Collaborate with cross-functional teams including backend, web, mobile, QA, and product teams • Take ownership of specific services or functional areas within our large-scale architecture • Leverage AI tools and assistants as integral parts of your development workflow—from system design to code review • Contribute to maintaining high test coverage, predictable production behavior, and seamless scalability • Drive engineering excellence through modern practices and continuous improvement • Main technologies we use: • HTTP/Websockets • Google Business Suite, JIRA/Confluence, Slack • You’ll be at the forefront of AI-driven engineering in a fast-scaling environment where your code directly impacts millions of users. Work with cutting-edge technology (latest Java, Spring Boot, GCP, Kubernetes) while enjoying full remote flexibility, generous leave, and real opportunities for growth. Join a team that treats AI as a core engineering tool—not an experiment—and where engineering excellence, speed, and meaningful impact are part of everyday work.
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