{"id":3738086,"url":"https://alion.io/job/link-group-senior-frontend-engineer-react-typescript","title":"Senior Frontend Engineer (React / TypeScript)","company":{"id":880,"name":"Link Group","domain":"linkgroup.co","url":"https://alion.io/company/link-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitify","truth_index":{"grade":"B","score":82,"open_postings":92,"ghost_share":0,"stale_share":0.739,"repost_share":0,"time_to_fill_p50_days":44,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":30000,"max":43000,"currency":"PLN","period":"month","gross":null,"usd_annual":131004},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"Claude","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"AG Grid","optional":true},{"name":"CI/CD","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-04T08:57:13Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-07T05:34:49Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Senior Frontend Engineer (React / TypeScript)\nRole Overview\nWe are looking for an experienced Frontend Engineer to develop and enhance modern, scalable web applications, with a strong focus on performance and user experience.\nThe role is approximately 80% frontend and 20% backend development. You will build new features, improve existing functionality, and contribute to application architecture, integrations, and database-related tasks.\nThe ideal candidate is independent, proactive, and comfortable working in a dynamic environment. Experience using AI-assisted development tools such as Claude or GPT is expected, with a strong focus on code quality, security, and maintainability.\nResponsibilities\nDevelop and maintain web applications using React and TypeScript.\nBuild reusable UI components and scalable frontend solutions.\nImplement new features and improve application performance.\nContribute to backend development, APIs, integrations, and database-related tasks.\nEnsure code quality, security, and maintainability.\nTake ownership of development initiatives and collaborate with technical and business stakeholders.\nUse AI-powered tools to improve development efficiency while applying sound engineering judgement.\nRequirements\n6+ years of frontend development experience.\nStrong knowledge of React, TypeScript, HTML, and CSS.\nUnderstanding of application architecture and experience working across the full stack.\nBackend development experience, preferably with C#/.NET or other object-oriented languages\nGood understanding of APIs, databases, and application integrations.\nExperience with AI-assisted coding tools, such as Claude or GPT.\nAbility to work independently and deliver solutions from concept to production.\nStrong analytical and communication skills.\nDegree in Computer Science, Mathematics, Engineering, or a related field.\nNice to Have\nExperience with AG Grid.\nFamiliarity with large datasets and complex database structures.\nExperience with enterprise-level applications and CI/CD practices.","description_format":"text","description_chars":2019,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Managed IT Services 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