Underdog Fantasy Logo

Underdog Fantasy

Senior Engineer - Rails

Reposted 4 Days Ago
Remote
2 Locations
150K-190K
Senior level
Remote
2 Locations
150K-190K
Senior level
The Senior Engineer will design and develop features for sports betting products, collaborating with teams, ensuring best practices, and mentoring others.
The summary above was generated by AI
We’re Underdog.

The fastest-growing sports gaming company, ever. We’re here to make sports more fun. We pair intuitive user experiences with innovative game designs to build the best experience for sports fans in America.

Since 2020, we’ve launched four of today’s most widely played fantasy games, and built the Underdog Sportsbook entirely in-house with our own tech. We move fast, act with urgency, and create experiences you won’t find anywhere else.

With a $1.2 billion valuation and backing from investors like BlackRock, Spark Capital, SV Angel, Mark Cuban, Kevin Durant, Adam Schefter, and more, we’re just getting started.

At Underdog, we play and win as a team. We take chances and are unafraid to attack hard problems. We face challenges with ambition and optimism. We play for the love of the game.

We’re Underdog. And winning as an Underdog is just more fun.

Join us.

About the role and why it’s unique:
  • Work on cutting edge projects focused on gamifying and building unique features into our fantasy and sports betting products
  • Design and develop clean, well-structured, and performant features — your work will be used by millions of our customers
  • Work closely with other product-minded individuals to shape and deliver the next wave of transformative fantasy and sports betting products
  • Collaborate with client engineers and product stakeholders from start to finish, openly communicating issues, asking clarifying questions, and raising concerns when needed
  • Advocate for best practices to create strong foundational development practices for our growing team
  • Grow in a high-agency environment where you have equity in technical decision-making and are accountable for those decisions
  • Learn from some of the best engineers and leaders in the fantasy and sports betting world while bringing your own unique perspective; we elevate each other to make Underdog the best sports gaming platform now and for the future!
Who you are:
  • A product-minded engineer with 6+ years of professional software development experience, including at least 1 year as a senior engineer.
  • At least 2 years of deep experience with Ruby on Rails
  • Familiarity with CI/CD, AWS, and modern DevOps tooling.
  • Strong understanding of SQL, observability (e.g., Datadog, Amplitude), and API design.
  • Skilled in scaling distributed systems, handling performance, caching, and database optimization.
  • Comfortable working across the stack and collaborating with product and design to ship great user experiences.
  • A clear communicator and empathetic teammate who values mentorship and feedback.
Even better if you have:
  • Experience in fantasy sports or sports betting (or a strong interest!).
  • Worked at a company through periods of rapid growth or scale.
  • Experience building highly scalable and available systems to handle high traffic conditions with low latency


Our target starting base salary range for this position is between $150,000 and $190,000, plus target equity. The starting base salary will depend on a number of factors, including the candidate’s skills and experience, among other things.

What we can offer you:
  • Unlimited PTO (we're extremely flexible with the exception of the first few weeks before & into the NFL season)
  • 16 weeks of fully paid parental leave
  • A $500 home office allowance
  • 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-REMOTE

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.

Top Skills

Amplitude
AWS
Ci/Cd
Datadog
Ruby On Rails
SQL

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