Human Interest is revolutionizing the retirement industry by making 401(k) plans accessible to small and medium-sized businesses. As a Senior Software Engineer I on the Core Backend team, you'll be instrumental in developing their next-generation, horizontally scalable recordkeeping platform. The role involves working with complex systems that process billions of dollars in retirement plan assets, requiring expertise in building resilient, observable, and maintainable systems. You'll be part of a team that values continuous improvement, documentation, security, and scalability while working on critical financial infrastructure. The position offers competitive compensation ($185,000 - $220,000), comprehensive benefits, and the opportunity to work remotely while making a significant impact on Americans' financial futures. The company is well-funded, backed by major investors like BlackRock and SoftBank, and has received numerous workplace awards, including being certified as a Great Place To Work®.