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Underdog

Senior Software Engineer - iOS

Sorry, this job was removed at 10:07 a.m. (CST) on Tuesday, Mar 03, 2026
Remote
Hiring Remotely in United States
Remote
Hiring Remotely in United States

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At Underdog, we make sports more fun.

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.

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:
  • Product-minded engineer with 5+ years of software engineering experience developing apps in a consumer facing company, including at least 1 year as a senior engineer.
  • Passionate about software development, with 1+ years of professional iOS development experience using Xcode, Swift, UIKit, SwiftUI, Combine, MVVM, Xcode Cloud, Amplitude, Proxyman.io, XCTest, and XCUITest
  • Collaborative by nature and passionate about fostering best practices for the betterment of the team
  • Excellent communication, analytical, and problem solving skills with both engineers and product
  • Experience using GitHub, Xcode and Firebase
  • Experience using Swift and SwiftUI
Even better if you have…
  • Experience in fantasy sports and/or sports betting
  • Worked through a significant growth phase of a company
  • Built dashboards in or spent time grokking info from DataDog or Amplitude
  • Developed apps reliant on real-time data


Our target starting base salary range for this position is between $160,000 and $240,000, plus pre-IPO equityOur comp range reflects the full scale of expected compensation for this role. Offers are calibrated based on experience, skills, impact, and geographies. Most new hires land in the lower half of the band, with the opportunity to advance toward the upper end over time.

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
  • 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-REMOTE

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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