{"id":3757905,"url":"https://alion.io/job/britenet-net-fullstack-developer-senior-tech-lead-eu-public","title":".NET Fullstack Developer Senior / Tech Lead (EU Public)","company":{"id":53283,"name":"Britenet","domain":"britenet.eu","url":"https://alion.io/company/britenet","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"contractor","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Angular","optional":false},{"name":"Azure DevOps","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"JavaScript","optional":false},{"name":"MS SQL","optional":false},{"name":"Nest.JS","optional":false},{"name":"NgRx","optional":false},{"name":"Node JS","optional":false},{"name":"OpenShift","optional":false},{"name":"RxJS","optional":false},{"name":"Scrum","optional":false},{"name":"TypeScript","optional":false},{"name":"UML","optional":false},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-11-04T14:38:35Z","employer_posted_date":null,"last_verified_at":"2026-11-04T14:38:35Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"Join an innovative environment and turn ambitious ideas into reality together with Britenet. We are a European IT company with strong Polish roots, already trusted by more than 200 business partners from all over the world.\nThis time you have the chance to be part of a project related to the development, consulting and support of IT systems for Frontex. The European Border and Coast Guard Agency supports EU Member States and Schengen-associated countries in the management of the EU's external borders and the fight against cross-border crime.\n\nOur expectations\nMinimum 6 years of IT relevant professional experience \n\nMinimum 3 years of project experience relevant to the profile or at similar position\n\nHas at least 1 certification among: Advanced level certificate in software development technology domain or an equivalent certification recognized internationally \n\nBachelor's Degree, ICT relevant degree is not mandatory\n\nDemonstrates practical experience in software development as Senior Full-Stack Developer or Lead Developer\n\nDemonstrates practical experience in design and development of micro fronted or microservices solutions\n\nPossesses outstanding expertise in design patterns from both object-oriented and functional programming paradigms\n\nDemonstrates practical experience in frontend technologies development including Angular, RxJS, NgRx, TypeScript, CSS/SCSS\n\nDemonstrates practical experience in backend or backend for fronted (BFF) technologies development based on Node.js and Nest.js framework, or alternative JavaScript frameworks\n\nDemonstrates practical experience in backend technologies development including .NET, C#.\n\nDemonstrates practical experience in working with relational (e.g. Microsoft SQL Server) and non-relational databases\n\n- Possesses knowledge of GraphQL\n\nDemonstrates practical experience in development of automated and unit tests\n\nPossesses knowledge of CI/CD tools (e.g. Azure DevOps) and containers-based development environments (e.g. OpenShift)\n\nHas gone at least 1 time through the complete lifecycle of the solution\n\nExpert in developing enterprise level software systems in specified technology domain\n\nKnows UML and can design applications in UML\n\nProficient in designing and developing: data layer, business logic layer and UI layer\n\nWorked in Scrum developments\n\nIs capable for leading technical teams\n\nHolds ability to document effectively technical solutions\n\nPresents problem solving skills\n\nEnglish level at min. B2 level\n\nOpenness for hybrid work 5x/month in Warsaw\n\nKey tasks\nDesigns and develops the system\n\nLead development teams\n\nTranslates requirements into design\n\nOptimizes software from performance, security and quality points of view\n\nProduces technical documentation\n\nEstimates effort and time for development\n\nSets software development standards\n\nPropose technical solutions for business needs and technical problems\n\nCollects and interprets software metrics\n\nManages configuration and releases\n\nContributes to requirements analysis, testing, quality assurance, change management, deployment\n\nTests solutions and develops testing tools\n\nDocuments developments\n\nPrototypes solutions\n\nActs as 2nd and 3rd line support\n\nRecruitment process\nApplication review\n\nInterview\n\nTechnical discussion\n\nDecision\n\nTech stack\nC#\nAngular\nNode.js\nTypeScript\nRxJS\nNgRx\nSCSS\nnestJS","description_format":"text","description_chars":3340,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Hybrid work"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Software","Machine Learning","Custom Software Development","Enterprise Apps Implementation Partners"],"lifecycle":[{"event":"open","at":"2026-11-04T17:26:35Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":15,"reasons":["seen:3","velocity","win:early"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/britenet-net-fullstack-developer-senior-tech-lead-eu-public","json_url":"https://alion.io/job/britenet-net-fullstack-developer-senior-tech-lead-eu-public.json","meta":{"generated_at":"2026-11-08T16:03:38Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":33907,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":53283},"rest":"https://alion.io/mcp/rest/get_company?id=53283"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbritenet-net-fullstack-developer-senior-tech-lead-eu-public"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fbritenet-net-fullstack-developer-senior-tech-lead-eu-public"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fbritenet-net-fullstack-developer-senior-tech-lead-eu-public"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/britenet-net-fullstack-developer-senior-tech-lead-eu-public\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbritenet-net-fullstack-developer-senior-tech-lead-eu-public"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3757905}},{"tool":"search_jobs","arguments":{"company":"britenet.eu","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3757905},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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