{"id":1964272,"url":"https://alion.io/job/xsolla-senior-frontend-engineer-2","title":"Senior Frontend Engineer","company":{"id":2375,"name":"Xsolla","domain":"xsolla.com","url":"https://alion.io/company/xsolla","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":74,"open_postings":179,"ghost_share":0.352,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":70,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Russia"],"countries":["RU"],"hiring_countries":["RU"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":26000,"max_usd":56000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":16},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"ESLint","optional":false},{"name":"Figma","optional":false},{"name":"GitLab","optional":false},{"name":"JavaScript","optional":false},{"name":"Prettier","optional":false},{"name":"Sass","optional":false},{"name":"Stylelint","optional":false},{"name":"TypeScript","optional":false},{"name":"Vite","optional":false},{"name":"Vue.js","optional":false},{"name":"Webpack","optional":false},{"name":"Claude","optional":true},{"name":"Copilot","optional":true},{"name":"CSS Modules","optional":true},{"name":"Cursor","optional":true},{"name":"Ethereum","optional":true},{"name":"Ethers.js","optional":true},{"name":"Git","optional":true},{"name":"GitLab CI","optional":true},{"name":"Husky","optional":true},{"name":"Next.js","optional":true},{"name":"Pinia","optional":true},{"name":"React Native","optional":true},{"name":"React.js","optional":true},{"name":"Rest API","optional":true},{"name":"Zustand","optional":true}],"status":"live","first_seen_at":"2026-10-06T14:00:09Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-13T19:12:00Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":6},"description":"ABOUT US\nXsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game.\nFor more information, visit xsolla.com.\nABOUT YOU\nWe are looking for a Senior Frontend Engineer who is passionate about building fast, accessible, and delightful user interfaces to join one of our product engineering teams. The best candidate will be someone who thrives in a fast-paced, highly collaborative, and dynamic setting and is excited to develop high-quality web applications used by millions of people.\nStrong frontend development skills with deep JavaScript/TypeScript expertise are essential, along with experience in building performant, cross-browser, and responsive applications using modern frameworks. The ability to create maintainable component systems while delivering an exceptional user experience will be key to your success in this role.\nIf you care about craftsmanship, performance, and product quality and want to shape the way users interact with products used around the world, we would love to hear from you!\nResponsibilities\nDevelop and maintain high-quality frontend applications and features\n\nWrite clean, maintainable, well-tested code with comprehensive unit and E2E test coverage\n\nBuild semantic, adaptive, cross-browser, and cross-platform layouts following web standards and accessibility best practices\n\nDesign and implement reusable component systems and contribute to the shared UI library\n\nOptimize application performance (rendering, bundle size, Core Web Vitals)\n\nCollaborate with designers (Figma) to deliver pixel-perfect, consistent implementations\n\nIntegrate with backend services and external APIs; agree on API contracts with backend engineers\n\nConfigure and improve build tooling, CI/CD pipelines, and Docker environments\n\nParticipate in code reviews, technical discussions, and architectural decisions\n\nMentor Middle and Junior engineers and contribute to improving product quality\n\nABOUT THE TEAM\nYou will join a product engineering team of frontend, backend, QA, and DevOps engineers working closely with Product and Design. The team owns its features end to end: from implementation and testing to release and monitoring.\nTypical Tech Stack:\nLanguages: JavaScript (ES6+), TypeScript\n\nFrameworks: React, Vue, Next.js (SSR)\n\nState Management: RTK, MobX, Zustand, Pinia\n\nBuild Tools: Vite, Webpack, SWC\n\nStyling: SCSS, CSS Modules, CSS-in-JS\n\nQuality Tools: ESLint, StyleLint, Prettier, Husky\n\nTesting: Unit and E2E testing frameworks\n\nInfrastructure: Docker, GitLab CI/CD\n\nNice to have\nRequired:\nCore JavaScript/TypeScript Expertise:\n5+ years of commercial frontend development experience\n\nAdvanced proficiency in JavaScript (ES6+), including asynchronous programming (async/await, Promises), prototype-based OOP, classes, and memory management fundamentals\n\nDeep TypeScript knowledge: generics, utility types, custom type declarations, and extending library types\n\nFrontend Engineering Skills:\nAdvanced experience with semantic, adaptive, cross-browser, and cross-platform layouts; understanding of web standards and accessibility\n\nStrong CSS skills, including SASS/SCSS and CSS-in-JS solutions\n\nExperience with modern frameworks (React, Vue, or similar): reactivity principles, state management, component optimization, and render control\n\nExperience with various state managers\n\nExperience with SSR/isomorphic applications\n\nExperience building component systems, including the compound components approach\n\nUnderstanding of data structures, algorithm complexity, and common design patterns\n\nKnowledge of basic caching techniques (e.g., LRU)\n\nAbility to decompose tasks and separate business logic from framework/library code\n\nTools & Practices:\nExperience configuring and optimizing build tools (Vite, Webpack)\n\nExperience with code quality tools (ESLint, StyleLint, Prettier, Biome)\n\nExperience writing unit and E2E tests\n\nUnderstanding of REST API fundamentals and experience integrating with external services\n\nExperience with Docker (configuring and optimizing containers)\n\nProficiency with Git (GitLab)\n\nConfident use of Figma for design implementation\n\nGood written and spoken English\n\nPreferred:\nExperience with hybrid applications (WebView, React Native)\n\nExperience with Web3 frontend development: wallet integration (embedded and browser wallets), wallet and signing standards (EIP-1193, EIP-6963, EIP-712), ethers.js, viem, wagmi\n\nKnowledge of Core Web Vitals and SEO principles\n\nExperience with web security fundamentals (XSS, CSRF, secure handling of user data)\n\nExperience with frontend performance profiling and monitoring\n\nExperience creating and maintaining design system libraries\n\nExperience leading technical initiatives or mentoring engineers\n\nPractical, up-to-date experience with modern AI tools (e.g. Claude, Copilot, Cursor) for code generation, review, and accelerating day-to-day engineering work\n\nIDEAL CANDIDATE\nEager to learn new technologies and approaches\n\nEngaged with business processes and product 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