Our thesis is simple: build the best products and we’ll build the biggest company in the space, because there’s so much more to be built for sports fans. We’re just over five years in, and we’re one of the fastest-growing sports companies ever, most recently valued at $1.3B. And it’s still the early days.

We’ve built and scaled multiple games and products across fantasy sports, sports betting, and prediction markets, all united in one seamless, simple, easy to use, intuitive and fun app.

Underdog isn’t for everyone. One of our core values is give a sh*t. The people who win here are the ones who care, push, and perform. If that’s you, come join us.

Winning as an Underdog is more fun.

As an Associate Software Engineer, you’ll work on meaningful, user-facing features while learning from experienced engineers across the full development lifecycle. You’ll gain hands-on experience, contribute to real product decisions, and build features used by millions of sports fans. This is a strong opportunity to grow quickly and make a visible impact early in your career.

About the role

Work on cutting-edge projects that gamify and enhance the user experience across our products
Design and build clean, reusable, and performant features that will be used by millions of sports fans
Collaborate closely with product managers, designers, and engineers to deliver experiences
Contribute to the upkeep and ongoing development of our design system and components
Write well-tested, high-quality code while participating in code reviews and ensuring engineering best practices
Work in a high-agency environment where your voice matters in technical discussions and product direction
Learn from talented engineers and leaders in the fantasy and sports betting space while contributing your own unique perspective and expertise

Who you are

B.S. (or higher) in Computer Science or a related STEM field; this role is best suited for candidates graduating in Spring 2026, given the Summer 2026 start date.
Experience with one or more object-oriented programming languages
Track record of shipping high-quality, feature-rich products with a portfolio of side projects
Desire to work in a fast-paced environment, continuously grow, and master your craft
Strong communication skills and a collaborative, consumer-facing, product-forward mindset
Extreme passion for sports; bonus points for sports or sports gaming–related side projects (e.g., apps, content, models, communities)

Even better if you have

Familiarity with or desire to learn our tech stack, which includes, but is not limited to: Swift (iOS), Kotlin (Android), and Ruby on Rails

Our target starting base salary range for this position is between $100,000 and $130,000, plus target equity. The starting base salary will depend on a number of factors including the candidate’s skills and experience, among other things.

Please note that visa sponsorship is not available for this position.

What we can offer you:

Unlimited PTO for full-time employees (we're extremely flexible with the exception of the first few weeks before & into the NFL season)
16 weeks of fully paid parental leave
Home office stipend
A connected virtual-first culture with a highly engaged distributed workforce
5% 401k match, FSA, company paid health, dental, vision plan options for employees and dependents

#LI-DNI

We're a remote-first company and value in-person connection. That said, we expect everyone to gather 2-3 times per year for team and company offsites, trainings, and more.

This position may require sports betting licensure based on certain state regulations.

Underdog is an equal opportunity employer and doesn't discriminate on the basis of creed, race, sexual orientation, gender, age, disability status, or any other defining characteristic.

California Applicants: Review our CPRA Privacy Notice here.

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