{"id":2535270,"url":"https://alion.io/job/mindbox-full-stack-engineer-frontend","title":"Full Stack Engineer - Frontend","company":{"id":53456,"name":"Mindbox","domain":"mindboxgroup.com","url":"https://alion.io/company/mindbox","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":{"grade":"A","score":88,"open_postings":72,"ghost_share":0,"stale_share":0.472,"repost_share":0.028,"time_to_fill_p50_days":53,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":null,"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":null,"salary_estimate":{"min_usd":49000,"max_usd":94000,"period":"year","method":"role_country_seniority_unknown","sample_n":924},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"JUnit","optional":false},{"name":"Next.js","optional":false},{"name":"Playwright","optional":false},{"name":"React.js","optional":false},{"name":"Spring Boot","optional":false},{"name":"TypeScript","optional":false},{"name":"Vitest","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-14T11:20:43Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-16T03:07:30Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"At Mindboxwe connect top IT talents with technology projects for leading enterprises across Europe.\nAs a Full Stack Developer, you’ll work across the entire stack, focusing on React/Next.js TypeScript frontend (~70%) and Java (Spring Boot) backend (~30%).\nYou’ll design engaging, performant, and accessible interfaces, build seamless API connections, and ensure full product functionality aligned with modern engineering standards in a cloud-native environment.\nSounds like your kind of challenge?\nResponsibilities\nFlexible cooperation model \nHybrid work setup - 2x/week in the office in Kraków - remote days available depending on the client’s arrangements \nCollaborative team culture - work alongside experienced professionals eager to share knowledge \nContinuous development - access to training platforms and growth opportunities \nComprehensive benefits - including Interpolska Health Care, Multisport card, Warta Insurance, and more \nHigh quality equipment - laptop and essential software provided \nRequirements\nDevelop and maintain React/Next.js (TypeScript) frontends with focus on UX performance, accessibility, and code quality.\nImplement user-facing features, reusable UI components, and state management logic, following best practices and design guidelines.\nIntegrate frontends with Java (Spring Boot) services and APIs - support backend data flows when needed.\nEnsure end-to-end delivery of product features - from API integration to UI and interaction layer.\nCollaborate with UX designers, backend engineers, and data teams to refine features and deliver complete user journeys.\nWrite clean, secure, and reusable code with solid testing coverage (JUnit, Vitest, Playwright).\nContribute to performance, observability, and code reliability standards throughout the stack.\nNote:Detailed project information will be shared during the recruitment process.\nBenefits\nProven experience with React + TypeScript and modern frontend architecture.\nHands-on understanding of Next.js, state management, and data-fetching patterns.\nFamiliarity with Java/Spring Boot backend development and API integration.\nExperience collaborating on cross-functional product delivery.\nUnderstanding of observability and monitoring tools.\nExposure to automated testing practices across frontend and backend layers.\nCuriosity, collaboration, and a structured problem-solving mindset.\nNice to have\nDevelopers with understanding of data or experience in data engineering (Spark, including event-driven processing) are very welcome.\nKnowledge of modern frontend frameworks (Next.js) or advanced TypeScript practices.\nExperience in cloud-native environments.\nPractice with infrastructure as code and deployment automation.\nJoining this project you’llbecome part of Mindbox - a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. 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