{"id":1523679,"url":"https://alion.io/job/itds-poland-senior-react-engineer-real-time-chat-platform","title":"Senior React Engineer - Real-Time Chat Platform","company":{"id":879,"name":"ITDS Poland","domain":"itds.pl","url":"https://alion.io/company/itds","size_band":"201-500","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"full_time","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":27720,"max":33600,"currency":"PLN","period":"month","gross":null,"usd_annual":104736},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"Claude","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"OpenAI","optional":false},{"name":"Radix UI","optional":false},{"name":"React.js","optional":false},{"name":"shadcn/ui","optional":false},{"name":"Tailwind CSS","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-30T13:00:10Z","employer_posted_date":null,"last_verified_at":"2026-09-30T13:00:10Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"Empower seamless real-time communication - craft innovative chat experiences that connect and inspire!\nKraków-based opportunity with hybrid work model.\nAs a Senior React Engineer, you will be working for our client, a leader in cutting-edge communication technology. You will help build a polished, production-ready React web application designed to deliver an exceptional chat experience as a standalone product. Join a dynamic team committed to pushing the boundaries of real-time streaming and AI integration, shaping the future of digital interaction and user engagement.\nYour main responsibilities:\nDevelop and maintain a production-grade React chat application with smooth real-time streaming capabilities.\nBuild intuitive, dynamic UI components for chat interactions that seamlessly handle complex client-side states.\nCollaborate with the team to create high-quality frontend features, leveraging AI-assisted development tools to boost productivity.\nManage challenging client-side states effectively, ensuring responsive and reliable user experiences.\nLeverage modern design systems such as Tailwind CSS, shadcn/ui, or Radix UI to produce visually polished interfaces.\nIntegrate streaming AI APIs (OpenAI, Azure OpenAI, SSE-based LLMs) to enhance interactive capabilities.\nOptimize performance and scalability of the chat platform to support real-time, engaging user interactions.\nWork within a flexible hybrid model, combining in-office collaboration and remote productivity.\nYou're ideal for this role if you have:\n5+ years of advanced React and TypeScript development experience.\nProven expertise in building real-time, streaming UI applications.\nStrong command of Tailwind CSS and modern design systems like shadcn/ui or Radix UI.\nHands-on experience with AI-assisted development tools such as Copilot, Cursor, or Claude Code.\nDemonstrated skills managing complex client-side states in fast-paced environments.\nIt is a strong plus if you have:\nExperience working with Dynamics 365 / Dataverse, including entities and activity types.\nHands-on knowledge of streaming AI APIs such as OpenAI, Azure OpenAI, or similar.\nLanguage required for the role:\nEnglish (Communicative level).\nEligibility to work in Europe:\nOnly candidates with an existing legal right to work in the European Union will be considered for this role.\nInterested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.","description_format":"text","description_chars":2494,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Hybrid work"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-09-30T13:15:56Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":46,"reasons":["seen:2","velocity","win:early"],"computed_at":"2026-10-03T05:45:00Z"},"pay":{"stated_usd_annual":104736,"is_top_pay":false},"html_url":"https://alion.io/job/itds-poland-senior-react-engineer-real-time-chat-platform","json_url":"https://alion.io/job/itds-poland-senior-react-engineer-real-time-chat-platform.json","meta":{"generated_at":"2026-10-04T00:15:39Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":223,"day_limit":5000,"remaining_today":4777,"minute_limit":60,"resets_at":"2026-10-05T00:00:00Z"}}}