{"id":2112437,"url":"https://alion.io/job/iteamly-lead-react-engineer","title":"Lead React Engineer","company":{"id":3913593,"name":"iTeamly","domain":"iteamly.com","url":"https://alion.io/company/iteamly","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":"lead","employment_type":"contractor","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kraków, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":15500,"max":31000,"currency":"PLN","period":"month","gross":null,"usd_annual":95172},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Next.js","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Claude Code","optional":true},{"name":"Copilot","optional":true},{"name":"Cursor","optional":true},{"name":"React Query","optional":true},{"name":"Redux","optional":true},{"name":"State Management","optional":true},{"name":"Zustand","optional":true}],"status":"live","first_seen_at":"2026-09-15T12:09:13Z","employer_posted_date":null,"last_verified_at":"2026-09-15T12:09:13Z","board_verified":false,"closed_at":null,"days_open":26,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":26},"description":"We are looking for an experienced Lead React Engineer to join an international team working on modern digital solutions for the travel and aviation industry.\nYou will take a leading role in building and evolving customer-facing web applications supporting digital travel experiences — from searching and booking flights to managing trips and additional services. You will combine hands-on development with technical leadership, helping shape frontend architecture, engineering practices and the growth of the team.\nWhy join us\nWork on a modern product used in the travel & aviation industry\nInternational environment and experienced engineering team\nOpportunity to influence frontend architecture, technical solutions and engineering practices\nB2B contract\nLong-term cooperation and opportunities for professional growth\nCompetitive employment package and benefits\nZakres obowiązków\nLeading the development of modern web applications using React\nTaking ownership of frontend architecture, technical decisions and engineering standards\nDesigning and building scalable, performant and user-friendly interfaces\nDriving frontend best practices around code quality, performance and maintainability\nMentoring and supporting other frontend engineers through knowledge sharing and code reviews\nCollaborating closely with backend developers, QA, UX/UI, DevOps and Product teams\nIntegrating frontend applications with REST APIs and backend services\nTaking ownership of complex features from design through to delivery\nContributing to improving development processes and frontend engineering practices\nWymagania\n7+ years of professional experience in frontend development\nStrong expertise in React\nVery good knowledge of JavaScript / TypeScript\nStrong experience with Next.js or similar modern frontend frameworks\nDeep understanding of frontend architecture, design patterns and best practices\nStrong understanding of HTML and CSS\nExperience building scalable and maintainable frontend applications\nExperience integrating applications with REST APIs\nPractical experience with frontend testing strategies and tools\nGood understanding of Git and CI/CD practices\nExperience mentoring engineers or acting as a technical leader within a team\nGood command of English\nAbility to take ownership of technical solutions and drive initiatives independently\nNice to have:\nExperience working in the travel, aviation or e-commerce industry\nStrong knowledge of Next.js, SSR/SSG approaches and frontend performance optimization\nExperience with modern state management solutions (e.g. Redux, Zustand, React Query)\nExperience designing frontend architecture for large-scale applications\nKnowledge of UI/UX principles and experience working closely with designers\nExperience with cloud platforms and modern deployment practices\nFamiliarity with AI-powered development tools (e.g. GitHub Copilot, Claude Code, Cursor) and using AI to improve engineering workflows\nExperience integrating AI-powered features into web applications\nExperience working in international and distributed engineering teams\nTech stack\nJavaScript\nNext.js\nHTML\nREST API\nSSR\nDesign Patterns\nGit\nCD\nTesting\nReact\nRedux\nUI\nUX\nCloud platform\nGitHub\nAI\nWeb 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