Senior Front-End Software Engineer

iGaming: If it’s iGaming, we know a thing or two. At Light & Wonder, It’s all about the games, and our digital team leads the global iGaming market, providing jaw-dropping content and innovative software that powers the world's most successful online gaming providers. Position Summary Light & Wonder is the global leader in cross-platform games and entertainment. The company brings together 5,000 employees from six continents to connect content between land-based and digital channels with unmatched technology and distribution. Guided by a culture that values daring teamwork and creativity, Light & Wonder builds new worlds of play, developing game experiences loved by players around the globe. The company’s OpenGaming(tm) platform powers the largest digital-gaming network in the industry. Light & Wonder is committed to the highest standards of integrity, from promoting player responsibility to implementing sustainable practices. To learn more, visit lnw.com. About The Role We're looking for a Senior Front-End Software Engineer to join the team building Nova Backoffice — a multi-operator iGaming platform covering everything from player account management and bonus configuration to executive dashboards and wallet transactions. You'll help shape the product before it goes live, influence architectural decisions early, and be part of the team that takes it across the finish line. What You'll Be Doing Owning and evolving Lotus UI, our internal component library built on top of MUI — including DataGrid wrappers, form inputs, banners, action bars, and layout primitives — with full Storybook documentationBuilding complex, config-driven form workflows across player profiling, identification, and account management, using a dynamic form rendering pattern with React Hook Form and YupDeveloping feature-rich views across the platform — player management, bonus campaigns, executive KPI dashboards, and payment/wager transaction gridsManaging layered application state across multiple Zustand stores (auth, player, bonus, drawer, notifications, timezone, account)Working with TanStack Query for server state, including custom query hooks for transactions, wallet balances, and campaign dataContributing to the establishment of a testing culture — helping introduce and grow unit, integration, and end-to-end test coverage as the codebase matures toward productionParticipating in code reviews and architecture discussions, with a direct impact on how patterns evolve as we scale toward go-live. Qualifications What We're Looking For 5+ years of professional frontend development, with substantial React experienceStrong command of modern React — hooks, composition patterns, and component architecture at scaleExperience building or maintaining an internal design system or component librarySolid understanding of MUI and its customization model (theming, overrides, MUI X Pro components)Experience with Zustand or similar lightweight state managers in complex applicationsComfortable working in JavaScript (ES2020+) with ESLint and Prettier in a team codebase Nice to Have Experience with config-driven or dynamic form patterns (React Hook Form / Yup or equivalent)Familiarity with TanStack Query or comparable server-state management solutionsExperience with multi-operator or white-label platform architecturesBackground in backoffice, operations tooling, or iGaming platformsExposure to Storybook-driven development and Chromatic visual regression testingFamiliarity with i18next and multi-language/multi-market frontend setupsExperience with Vite and modern frontend build tooling Why Join Us Get in early on a greenfield product heading to production — your architecture decisions will have lasting impactContribute to and shape an internal design system used across the entire platformWork on a domain-rich product spanning player management, financial transactions, and bonus systemsCollaborative, engineering-led culture with a strong emphasis on code quality Additional Information Why would you enjoy working with us at Light & Wonder? Competitive benefits, an open and supportive environment as well as a modern and exciting workplace.The opportunity to interact with global teams on a regular basis and the possibility to switch teams and projects as you and our business continues to develop and grow.Exciting projects with opportunities for creating positive change to our game engineering ecosystem. And if that is not enough; you will get to enjoy a stunning work location and flexible working whilst we provide you with the guidance and development skills you need to progress quickly and enhance your career.