Senior Software Engineer, Customer Acquisition Team

Human Interest
United States, RemotePosted 23 February 2026

Job Description

<div class="content-intro"><p><img src="https://hi-contentful.imgix.net/4xN7JhmwCRuz3y9M8L8CF7/5c244c52cfc982bd1a348a80dc35d43b/hi-logo-new.svg?auto=formatixlib=react-9.0.3h=40w=132q=50dpr=2" alt="hi-logo" width="132" style="max-width: 100%;"></p></div><p><strong>Human Interest is on a mission to ensure that people in all lines of work have access to retirement benefits.</strong> </p> <p>More than 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.</p> <p>We’re a high-growth fintech company changing the retirement industry. We are backed by a number of investors. This includes funding from Marshall Wace and Baillie Gifford, as well as top investors such as <a href="https://www.globenewswire.com/news-release/2023/01/13/2588448/0/en/Human-Interest-and-BlackRock-Join-Efforts-to-Expand-Access-to-Retirement-Plans-for-Working-Americans.html#:~:text=Human%20Interest%20has%20secured%20approximately%20%24500%20million%20in%20funding%20to%20datetext=NEW%20YORK%20and%20SAN%20FRANCISCO,businesses%20across%20the%20United%20States.">BlackRock</a>, <a href="https://www.globenewswire.com/news-release/2021/08/04/2274611/0/en/The-Rise-Fund-Leads-200M-Series-D-Investment-in-Human-Interest-to-Accelerate-Growth-and-Societal-Impact.html">TPG (The Rise Fund)</a>, SoftBank, <a href="https://www.globenewswire.com/news-release/2021/02/11/2174214/0/en/Human-Interest-Completes-105M-Series-C-Following-Breakout-Year-in-2020.html">Glynn Capital</a>, NewView Capital, USVP, Wing, Uncork, and more.</p> <p><strong>About the role</strong></p> <p>As a Senior Full-Stack Engineer on our CAT team, you will build industry-first products that allow businesses to launch their 401(k) in as little as five minutes, driving our business growth. You will collaborate with domain experts to design, build, test, and own systems and processes for servicing 401(k) plans and making our customers happy. As reliability is key to earning our customers’ trust, you will build robust systems that are observable, maintainable, and scalable. As an engineering organization, we:</p> <ul> <li>Value continuous improvement - we care about documentation, security, durability, not just throwing features over the wall.</li> <li>Help each other be better engineers - we leave things better than we found it.</li> <li>Aspire to collaborate seamlessly - we ensure our software is improving the customer experience.</li> </ul> <p><strong>What you get to do every day</strong></p> <ul> <li>Design, build, and maintain our user experiences for both external and internal customers</li> <li>Work on business-critical, foundational services which serve as the data funnel of our entire platform </li> <li>Improve complex processes and systems to make them more robust and require less human intervention</li> <li>Collaborate with other engineers and stakeholders to share knowledge and build expertise</li> <li>Develop ownership over domains in our system and make informed engineering tradeoffs</li> <li>Advocate for and delight internal and external users</li> <li>Write clean, high-quality code and tests to keep our system fast, reliable, and monitorable</li> <li>Lead and participate in development life cycle activities like design, coding, testing and production release</li> <li>Contribute to our evolving engineering standards, tooling, and processes</li> </ul> <p><strong>What you bring to the role</strong></p> <ul> <li>6+ years of experience building and maintaining software in production</li> <li>Desire to work with the following technologies: Node, TypeScript, React, AWS and PostgreSQL</li> <li>Top notch communication skills. You can communicate well with engineers and non-engineers alike</li> <li>Strong desire to lear ... (truncated, view full listing at source)