Frontend Engineer

About betarchitectbetarchitect is a cutting-edge iGaming platform designed for operators committed to building and owning their unique gaming experiences. Our platform offers White Label and Turnkey Casino & Sportsbook infrastructure with event-driven, microservice architecture for scalability and flexibility. ResponsibilitiesDesign, develop, and maintain high-performance frontend applications using React, Next.js, and TypeScript.Architect scalable, multi-tenant UI solutions to support our White Label and Turnkey infrastructure.Build and manage real-time user interfaces utilizing WebSockets to handle live data, dynamic balances, and instant notifications.Optimize application performance, focusing strictly on Core Web Vitals, bundle analysis, and strict Server/Client Component boundaries.Implement complex data fetching and caching layers ensuring seamless and optimistic UI updates.Collaborate closely with Backend, Product, QA, and Design teams to define API contracts and deliver exceptional user experiences.Conduct thorough code reviews and champion high frontend engineering standards. RequirementsCore Frontend & Architecture6+ years of production experience with React and TypeScript.Extensive experience with Next.js 15/16, including deep knowledge of the App Router, Server Components, proxy configurations, advanced caching strategies, and SSR/SSG/ISR rendering.Solid mastery of React 18/19 features, including Server Actions, use(), Suspense, and concurrent transitions.Hands-on multi-tenant application experience, capable of managing shared codebases with dynamic, client-specific branding and feature flags. State Management, Data & FormsDeep expertise with TanStack (React Query v5) for data fetching, caching, invalidation, and optimistic UI updates.Experience building real-time UIs using WebSockets / Socket.Io.Proficiency in complex form state management and schema validation using React Hook Form + Zod. UI & PerformanceStrong proficiency in TailwindCSS (v4) for building highly responsive, utility-first interfaces.Proven track record in frontend performance optimization, including Core Web Vitals management, asset optimization (images/fonts), and efficient bundle splitting. Engineering PracticesStrong Git workflow experience and a commitment to rigorous code review processes. Nice to HaveExperience in iGaming, FinTech, Payments, or Banking domains.Experience integrating and working with any CMS system.Basic understanding of SQL / PostgreSQL to facilitate better communication with backend teams.Experience with Nx Monorepo.Familiarity with Figma and translating complex UI/UX designs into pixel-perfect code. What We ExpectOwnership and accountability for delivered frontend solutions.Ability to understand and work within complex business domains (Casino, Sportsbook, Payments).Strong focus on code quality, user experience, and long-term maintainability.Good communication and collaboration skills.Willingness to contribute to product, UI/UX, and architecture evolution. Technology StackTypeScriptReact (18/19)Next.js (15/16)TailwindCSS (v4)TanStack Query (React Query v5)React Hook Form + ZodWebSockets / Socket.IoGit & GitHub ActionsPostgreSQL What We OfferCompetitive RemunerationWork in a dynamic environmentGrowth and learning opportunitiesBonuses and other benefits