Underdog aims to build the best products to become the biggest company in the sports space by creating fun, intuitive, and seamless apps for fantasy sports, sports betting, and prediction markets.
Requirements
- Experienced iOS engineer who cares deeply about how interfaces feel, not just how they function.
- Portfolio or examples of past motion or interaction work, with the ability to explain the intent, decisions, and tradeoffs behind them.
- Understanding of animation tools such as SwiftUI animations, Lottie, and Rive, and knowing when to use each.
- Ability to build animations that perform well under real product conditions and debug issues that affect responsiveness.
- Experience working with designers to translate motion concepts into clear engineering plans.
- Comfortable iterating quickly during exploration and being disciplined when shipping to production.
- Experience bringing brand expression into motion or helping shape a motion language for a product.
Responsibilities
- Design and build animations, transitions, and interactive UI components in SwiftUI, Lottie, and Rive.
- Work closely with designers to explore ideas quickly and turn the best ones into production-ready patterns.
- Help teams evaluate motion concepts, understand trade-offs, and use animation to improve clarity and engagement.
- Document patterns, create examples, pair with engineers when needed, and help the organization understand when and how to use motion responsibly.
- Build systems that enable product teams to ship polished interactions without relying on bespoke implementations.
- Collaborate with other iOS and Android engineers, as well as product and design partners, to raise the quality of motion and interaction across the app.
- Bring other engineers along as a key part of the role.
Other
- You notice gaps in polish and take initiative to improve them without needing direction.
- You communicate clearly with engineers, designers, and product partners and can guide conversations about what motion adds and what it costs.
- You are comfortable iterating quickly during exploration and being disciplined when shipping to production.
- 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.
