Senior Software Engineer II

Human Interest is on a mission to ensure that people in all lines of work have access to retirement benefits. 

Nearly half of all working Americans are not saving enough for their future. Too often it’s because they are employed by a company that doesn’t offer a retirement plan. Human Interest is changing that by making it affordable and accessible for small and medium-sized businesses to offer employees a path to financial independence through retirement savings.

We’re a high-growth tech company changing the retirement industry. We’ve raised more than $700M in primary and secondary financings and are backed by a number of investors. Most recently, this includes funding from Marshall Wace and Baillie Gifford, as well as top investors such as BlackRock, TPG (The Rise Fund), SoftBank, Glynn Capital, NewView Capital, USVP, Wing, Uncork, and more.

Join our amazing Engineering team

Our engineering organization aims to redefine the retirement services space with software that provides an effortless, efficient, scalable, and reliable user experience. 

• We value continuous improvement, emphasizing documentation, security, consistency, and scalability.
• We help each other be better engineers, ensuring we leave things better than we found them.
• We are customer-focused, ensuring our software improves the customer experience

About the Recordkeeping team

The Recordkeeping team at Human Interest is dedicated to managing the bookkeeping of retirement plans, enabling the company to serve small businesses and close the retirement savings gap. Our proprietary recordkeeping platform is a major technology investment, supporting the unique needs of 401(k) plans for small businesses.

This team is responsible for developing and maintaining trading, cash movement, and accounting systems that oversee billions of dollars in plan assets. Recordkeeping is a technically challenging domain and requires highly scalable solutions that meet the regulatory needs of a large financial institution. The Recordkeeping platform's transactional, trade, and position data support comprehensive reporting on all financial and trading activities, providing a complete picture of financial activity. As a foundational platform, the Recordkeeping team plays a crucial role in the company’s success by accurately recording all financial transactions.

About the role

As part of the Core Backend team, you’ll play a key role in developing our next-generation, horizontally scalable recordkeeping platform. Recordkeeping is a complex and engaging domain, blending accounting principles with the design of scalable, distributed systems. You’ll work alongside domain experts to design, build, test, and take ownership of the systems and processes that power our 401(k) services and drive customer satisfaction. Reliability and performance are essential to earning customer trust, so you’ll be building resilient, observable, maintainable, and scalable systems. This role requires a strong sense of ownership—key to enabling the success of our users.

About you

You are passionate about building highly scalable transaction processing and automation engines. You thrive on building efficient and horizontally scalable software platforms. You are knowledgeable about backend software development, cloud infrastructure, performance analysis, and scalable database technologies (both Sql and NoSql). You are a highly collaborative team player who is willing to both learn from as well as coach your teammates. You are committed to continuous learning and improvement.

What you get to do every day

• Build and maintain business-critical software to process and record customers' retirement savings
• Improve complex processes and system