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Senior Frontend Engineer

Estonia

Rush Street Interactive (NYSE: RSI) is a market leader in online casino and sports betting, currently operating real-money gaming with our brands: BetRivers.com, PlaySugarHouse.com, and RushBet.co. We’re building bridges between online, social and land-based gaming businesses to create amazing, integrated experiences that keep players in the game.

We’re looking for a skilled Senior Frontend Engineer to take ownership of critical player-facing experiences that ensure security, compliance, and seamless access. You will work at the heart of our authentication and player communication flows, managing login, session control, regulatory messaging, and secure identity handling. If you want to be part of a professional team delivering high-quality, user-friendly solutions that keep our players safe, informed, and connected, this role might be a great fit!

What You'll Do:

  • Work on session management, authentication processes, player communication and back-office tools.
  • Design, develop, test, and maintain features built in React and Vanilla JavaScript to create a high-quality experience for our end users.
  • Take technical ownership of website components.
  • Implement and maintain automated test suites to ensure code quality and reliability.
  • Participate in code reviews and contribute to architectural discussions.

What You'll Bring:

  • 5+ years of experience in frontend development.
  • Deep knowledge of Vanilla JavaScript and the JavaScript ecosystem.
  • Experience with React and TypeScript.
  • Experience with native mobile frontend development (iOS and/or Android).
    • iOS - Swift, SwiftUI, SPM, Tuist, async/await, Combine, Firebase, Perception, TCA.
    • Android - Kotlin, Dagger Hilt, Room, Retrofit, Android Jetpack, Kotest, Coroutines, RxJava, Ktlint.
  • Understanding or a strong interest in Agile methods.
  • Experience with testing frameworks and methodologies.
  • Experience in mentoring other team members.
  • Experience designing, building, and maintaining scalable backend services, preferred. 
  • Experience with Java and the Java ecosystem, preferred. #LI-HYBRID  LI-PROMOTE
What Makes Us Great:
  • Comprehensive compensation
  • Work-life balance initiatives
  • Autonomy – we embrace personal freedom and responsibility
  • Creativity – we are open to new ideas of how we can be better
  • Growth – we want you to develop personally as well as professionally
  • Top-notch professionals who are passionate about what they do
  • People-oriented environment and supportive atmosphere

As a rapidly growing company in an emerging industry, you’ll have a huge impact on our product and our company. We like proactive team members and strive to have a company of self-disciplined professionals who enjoy collaboration, having fun, and of course, achieving together what others believe to be improbable. We are dedicated to treating everyone with respect and to support your professional and personal growth.

Rush Street Interactive is an equal opportunity employer and committed to a diverse and inclusive workplace. All qualified applicants will be considered for employment without regard to race, national origin, ancestry, sex, sexual orientation, sexual identity and expression, marital status, family status, lifestyle, age, culture, religion, military and veteran status, citizenship, or disability.

Be at the forefront of this ground-breaking industry! Apply now!

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