Build and scale production-grade web applications and APIs using Ruby on Rails. Collaborate cross-functionally with product, design, and business teams. Own features end-to-end, from technical design to deployment and monitoring. Design and evolve architecture for scalability, reliability, and performance. Create clean, well-tested, maintainable code. Mentor teammates, conduct code reviews, and elevate engineering standards (for senior and staff levels). Contribute to technical strategy and system design (for staff and team leads). Continuously improve processes and tools for faster, higher-quality development.