At Check, we're revolutionizing payroll by making it simple and embedded. As a Senior Software Engineer, you'll be at the forefront of this transformation, working on our Python/Django API, React and TypeScript frontends, and AWS infrastructure. You'll lead end-to-end problem-solving, build prototypes, and improve our quality bar. Our team values creative solutions, candid feedback, and genuine connections. We're looking for someone who can own team-wide projects, build complex systems, and make high-quality decisions. Experience with Python or Go is essential, and familiarity with Django, React, or TypeScript is a plus. We offer a flexible work environment with offices in New York City and San Francisco, encouraging in-person collaboration through regular team events and an annual company retreat. Our comprehensive benefits package includes health insurance, stock options, flexible PTO, parental leave, and a 401k plan. Join us in fixing payroll and creating a better future for businesses of every size!