Tuum seeks a mid-level software engineer to help disrupt the banking industry and bring innovation to core banking worldwide. The role involves building features for their API-based core banking platform with modular architecture. **Key Responsibilities:** - Design, implement, test, and deploy scalable features for the banking platform - Ensure reliability and performance of production systems - Write high-quality, maintainable code collaboratively - Build systems handling high-volume data processing at scale - Provide technical solutions and act as subject-matter expert **Requirements:** - 3+ years professional software development experience - Hands-on experience with microservices, Java (Spring), and PostgreSQL - Willingness to contribute to JavaScript/React frontend work - Agile development background - Problem-solving mindset and collaborative approach - Bonus qualifications: AWS familiarity, financial sector background **Benefits:** - Competitive salary with stock options - Hybrid work arrangement (3 days/week in office) - 4-day weeks June-August - Private health insurance or wellness compensation - Professional growth opportunities - Collaborative team environment **Employment Type:** Full-time, Hybrid