{"id":1581646,"url":"https://alion.io/job/cyclad-fullstack-developer","title":"Fullstack Developer","company":{"id":895,"name":"Cyclad","domain":"cyclad.eu","url":"https://alion.io/company/cyclad","size_band":"51-200","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitify","truth_index":{"grade":"B","score":78,"open_postings":36,"ghost_share":0,"stale_share":0.889,"repost_share":0,"time_to_fill_p50_days":46,"computed_at":"2026-10-03T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":100,"max":130,"currency":"PLN","period":"hour","gross":false,"usd_annual":68000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"C#","optional":false},{"name":"ChatGPT","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"JavaScript","optional":false},{"name":"OpenAI","optional":false},{"name":"React Native","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Azure","optional":true},{"name":"Azure Cosmos DB","optional":true},{"name":"Azure DevOps","optional":true},{"name":"Azure SQL Database","optional":true},{"name":"Docker","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-01T09:26:24Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-03T23:38:23Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"At Cyclad, we work with top international IT companies to help them deliver modern digital products and innovative technologies. We are currently looking for a Mid Fullstack Developer to join a distributed international team working on a modern digital product for the fitness industry.\nIn this role, you will contribute to the development of backend, web, and mobile solutions using .NET, React, and React Native, working alongside experienced developers in a collaborative remote environment.\nProject information:\nType of project: IT services\nProject: International project for a US-based client\nWork model: 100% remote\nBudget: 100-130 PLN net/hour - B2B\nProject length: Long-term\nStart date: ASAP (depending on the candidate's availability)\nYour responsibilities:\nDevelop and maintain backend, web, and mobile solutions\nBuild secure and scalable backend services and REST APIs using C#, .NET, ASP.NET Web API, Entity Framework Core, and SQL Server\nDevelop responsive web and mobile features using React, React Native, TypeScript, JavaScript, HTML5, and CSS3\nDevelop business logic and optimize SQL Server database structures\nApply Clean Code, SOLID principles, and design patterns\nWrite and maintain unit and integration tests\nUse AI-assisted development tools such as GitHub Copilot, Claude Code, ChatGPT, or OpenAI API to support development and improve workflows\nParticipate in technical discussions, code reviews, and task estimation\nCollaborate with developers and other team members within a distributed international environment\nCreate and maintain technical documentation in Polish and English\nRequirements:\nMinimum 3 years of commercial software development experience\nStrong experience with C# and .NET Core / .NET 8+\nExperience with ASP.NET Web API, Entity Framework Core, and SQL Server\nPractical experience with React and React Native\nGood knowledge of TypeScript, JavaScript, HTML5, and CSS3\nKnowledge of Clean Code, SOLID principles, and design patterns\nExperience with unit and integration testing\nPractical experience using AI-assisted development tools such as GitHub Copilot, Claude Code, ChatGPT, or OpenAI API\nFluent Polish - mandatory\nMinimum B2 level of English, both written and spoken\nAbility to work independently and effectively in a fully remote environment\nStrong communication and collaboration skills\nNice to have:\nKnowledge of Domain-Driven Design (DDD) and CQRS\nExperience with microservices architecture and cloud-native solutions\nExperience with Microsoft Azure services, such as App Services, Service Bus, Azure SQL, and Azure DevOps\nKnowledge of Docker and containerization\nFamiliarity with Azure Cosmos DB and Cloud/DevOps patterns\nInterest in integrating AI/ML into commercial applications\nExperience in fitness, health & wellness, or other B2C solutions\nExperience publishing or maintaining applications in the App Store and Google Play\nWe offer:\n100% remote working model\nFull-time cooperation agreement based on B2B\nOpportunity to work on an international project for a US-based client\nOpportunity to work with modern .NET, React, and React Native technologies\nCollaboration within a distributed international team\nOpportunity to develop your skills in modern software development and AI-assisted engineering\nRecruitment process:\nIntroductory call\nTechnical interview\nFinal decision","description_format":"text","description_chars":3327,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Polish","level":"Advanced (C1)","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-01T13:26:13Z"}],"visa":[],"liveness":{"score":38,"band":"fade","label":"Fading","p_open":1,"p_active":0.379,"p_room":1,"age_days":1,"expected_fill_days":46,"reasons":["conf:12","agency","stale_co","velocity","win:early","comp:brand,attention"],"computed_at":"2026-10-03T05:45:00Z"},"pay":{"stated_usd_annual":68000,"is_top_pay":false},"html_url":"https://alion.io/job/cyclad-fullstack-developer","json_url":"https://alion.io/job/cyclad-fullstack-developer.json","meta":{"generated_at":"2026-10-04T00:22:15Z","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":331,"day_limit":5000,"remaining_today":4669,"minute_limit":60,"resets_at":"2026-10-05T00:00:00Z"}}}