Required: • Play a critical role in advancing our full-service payroll platform that handles tax filing and payments for thousands of taxes across businesses. • Own and drive core initiatives by creating new products/features from the ground up as well as rearchitecting key components of our platform. • Confidently ship moderate/large features and improvements with minimal guidance and support from other team members. • Collaborate with the team on larger projects. • Model and execute against requirements involving complex and interdependent systems. • Take ambiguous technical problem statements and turn them into an actionable plan, and then execute on it with the team. • Implement comprehensive unit tests for confirming functionality and the quality of code. • Ensure high-quality code and related documentation. • Build relationships with teams across engineering, ops, and support, to understand their needs and help improve their day-to-day workflows. • Strong CS knowledge and expertise. Preferred: • Experience in building projects with good abstractions and architecture.