Bits is an innovative fintech company that's revolutionizing the credit building industry, making it accessible to those traditionally excluded from credit systems. As a Senior Software Engineer, you'll play a crucial role in their engineering team, working directly with the Product Lead, Designer, and CEO. This is a hands-on position requiring expertise in Node.js, TypeScript, and AWS services, with a focus on building scalable, fault-tolerant systems. The role combines traditional backend development with cutting-edge AI integration, including work with OpenAI and Agentic AI systems. You'll be responsible for designing APIs, implementing server-side logic, and ensuring system reliability. The position offers competitive compensation, health benefits, and the opportunity to make a significant impact on millions of users' lives. The hybrid work environment in San Francisco allows for both collaborative office time and flexible remote work. This role is perfect for experienced engineers who want to contribute to a meaningful mission while working with modern technologies in a fast-paced, growing fintech environment.