At Fliff, we're pioneering play-for-fun sports gaming experiences that cater to all types of sports fans. Our social sportsbook platform offers sweepstakes promotions and loyalty rewards, providing a fun and engaging alternative to real-money gaming. As part of our Fantasy team, we're seeking an experienced Senior Swift App Development Engineer to help build and scale mobile applications for our flagship social sportsbook experience.

As a Senior Swift App Development Engineer, you'll have the opportunity to design, develop, and maintain responsive and performant mobile applications using React Native. You'll work closely with engineers, designers, product managers, and QA teams to deliver high-impact features. Your expertise in modern React patterns, strong TypeScript skills, and ability to ship high-quality code in a fast-paced environment will be invaluable.

What You'll Do:

  • Design, develop, and maintain responsive and performant mobile applications using React Native
  • Implement scalable and reusable UI components with CSS/SCSS
  • Build seamless experiences across mobile and desktop devices, including iOS and Android
  • Collaborate with engineers, designers, product managers, and QA teams to deliver high-impact features
  • Integrate REST APIs and WebSocket services into the frontend
  • Optimize for performance, maintainability, and reliability

What We're Looking For:

  • 5+ years of experience in frontend development, with a focus on Swift app development
  • Strong proficiency with JavaScript (ES6+) and TypeScript 5.0+, including utility types, generics, and advanced type safety
  • Deep understanding of React fundamentals, including React 16.0 or higher
  • Solid experience integrating REST APIs with tools like fetch and axios
  • Experience and understanding of GraphQL and Apollo Client
  • Working knowledge of WebSockets (native or Socket.IO )
  • Proficiency in debugging with Reactive Tools from XCode + Profiler and Android Studio + LogCat

What We Offer:

  • Competitive salary ranging from $180,000 to $200,000 depending on experience and background
  • Unlimited/flexible time off for flexible vacation policy
  • Comprehensive health benefits with 100% paid premiums for medical, dental, and vision plans for employees and dependents
  • Pre-tax savings plans for healthcare, with up to a $500 annual employer contribution to the HSA (if enrolled in the HSA medical plan)
  • Employee-sponsored 401(k) to help reach your financial goals
  • Fully remote work environment
  • Generous parental leave
  • Professional development opportunities in a dynamic, global setting

Perks:

  • Work remotely with a $500 work-from-home stipend + equipment and accessories
  • Opportunity for professional development in a dynamic, global setting
  • A supportive, collaborative, and knowledge-driven workplace
  • An engaging and challenging role with the freedom to innovate and develop effective solutions