patrianna - Lead Java Engineer (Payments)

• Solid experience building and maintaining production systems using Java and its ecosystem • Solid Java knowledge with a strong understanding of JVM internals • Excellent system design skills, capable of describing, documenting, and implementing complex architectures for scalable systems • Excellent knowledge of relational database principles, preferably PostgreSQL, with proficiency in query optimization and performance tuning • AI-native mindset with deep, hands-on expertise leveraging AI tools, large language models, and autonomous agents as a default approach to problem-solving, system design, and engineering productivity. • Deep understanding of messaging concepts (preferably with the Kafka ecosystem or similar) • Good understanding of concurrency concepts and principles • Exceptional troubleshooting skills, with the ability to resolve complex production issues effectively • Demonstrated engagement and ownership, taking full responsibility for delivering solutions and driving team success • Proven ability to conduct effective code reviews, ensuring high-quality deliverables and adherence to best practices • Solid understanding of security best practices, particularly in web and backend development contexts • Leadership experience, including mentoring team members, facilitating technical discussions, and fostering a collaborative environment • At least upper-intermediate proficiency in English, with strong communication skills for technical and non-technical stakeholders • Spring Boot 4.0.2 🔥 • Google Cloud Platform: • AlloyDB for PostgreSQL • Test Containers • Locust for perf testing • Jenkins/ArgoCD • ELK/Sentry/Grafana • Jira/Confluence/Slack/Bitbucket • Fresh, well-maintained codebase featuring high test coverage • Minimal bureaucracy and fast approval processes • Ability to work with highly skilled, passionate, and supportive teammates • Chance to make a global impact by contributing to projects experiencing exponential user growth