Senior Software Developer, Web

About the role

If you want to build, develop, and see your impact, join Skillz and level up your Career! Skillz, the first publicly-traded mobile eSports platform that hosts billions of casual mobile gaming tournaments for millions of players worldwide, is revolutionizing the gaming industry. By fostering social competition within games, the Skillz platform helps developers build multi-million dollar franchises by enabling real-money activity in their games and providing operational support while connecting players through fair, enjoyable, and meaningful competition. At Skillz, we understand the thrill of achievement and the satisfaction of overcoming challenges. Want to join a team made up of alums from Apple, Amazon, Google, Microsoft, Tesla, Twitter (X), Roblox, Zynga, Samsung, Lyft, EA, Riot, Nexon, Gameskraft, PlayStation, Unity, Scopely, Tinder, Intel, Deloitte, EY, Twitch, DraftKings, Wynn Resorts and more? Learn more to see if Skillz is the right fit for your next career move! Why Skillz Culture of Impact: Join a united team of builders, creators, innovators, and entrepreneurs driven by the desire to win. At Skillz, we create value, obsess over our product, and make a difference in the world. Comprehensive Benefits: Enjoy peace of mind with our comprehensive benefits package, which includes 100% coverage for medical, dental, and vision expenses for both you and your dependents. Additionally, take advantage of our 401K matching, equity incentives, pre-tax benefit options, and more. Wellness Support: Enhance your well-being with our array of wellness initiatives, including meditation and mental health resources, physical fitness coaching and classes, family planning assistance, health and parenting guidance, virtual therapy sessions, and more. Time off: We offer competitive paid time off (PTO) & company holidays to help you recharge and pursue your passions. Las Vegas Headquarters: Skillz strongly believes in a five-day a week, collaborative office environment at our 36,000+ square foot headquarters. Enjoy free breakfast and catered lunches, snacks, a full-size gym with showers, commuter benefits, insurance, team bonding events and many more. Recognized Success: Skillz has earned recognition as one of Fast Company's Most Innovative Companies, CNBC's Disruptor 50, San Francisco Business Times' Best Places to Work, Forbes' Next Billion-Dollar Startups, and the #1 fastest-growing company in America on the Inc. 5000 list, and many more. Development Opportunities: We hold our employees to high standards while providing them with professional growth opportunities. We operate like a startup, and encourage all of our employees to collaborate and voice feedback about our product and ways we can improve as a business. We believe in never settling, and that also pertains to your growth. Key Competencies Core Tech Stack: 4-7 years building production web applications with React.js and Next.js. Strong command of TypeScript, component-based architecture, state management (Redux/Zustand/Context), and modern CSS (Tailwind, CSS Modules, or Styled Components). React Native Experience is a Plus. Gaming / Real-Time Web Experience: Prior experience in online gaming, RMG, or casual gaming platforms preferred. Social casino experience is not required. Familiarity with real-time UI updates (WebSockets, SSE), game lobby interfaces, animations (Framer Motion, GSAP), and handling high-frequency user interactions. Performance & PWA: Expertise in web performance optimization: code splitting, lazy loading, image optimization, Core Web Vitals. Experience building or contributing to Progressive Web Apps (PWA) with service workers, offline capability, and installable web experiences. Payment & Auth Flows: Experience implementing secure payment UIs (PCI-compliant iframes, tokenized card inputs, wallet integrations like Apple Pay/Google Pay), OAuth/social login flows (Apple, Facebook), and session management. Responsive & Mobile-First Design: Strong mobile-first responsive development skills. Yayz is web-first but must deliver a native-like experience on mobile browsers. Experience with touch interactions, viewport management, and adaptive layouts. API Integration & Testing: Comfortable consuming RESTful and GraphQL APIs, handling error states gracefully, and writing unit/integration tests (Jest, React Testing Library, Cypress/Playwright for E2E). Collaboration & Code Quality: Experience working in agile teams with code reviews, CI/CD pipelines (GitHub Actions, Jenkins), and design system adherence. Familiarity with tools like Figma for developer handoff. Nice to have - React Native / Mobile: React Native or native mobile (iOS/Android) experience is a plus, as Yayz may add a native mobile wrapper in the future.