{"id":690604,"url":"https://alion.io/job/craftzing-netc-software-engineer","title":".NET/C# Software Engineer","company":{"id":673386,"name":"Craftzing","domain":"craftzing.com","url":"https://alion.io/company/craftzing","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":{"grade":"D","score":49,"open_postings":14,"ghost_share":0.857,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Antwerp, Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"Azure","optional":false},{"name":"Azure SQL Database","optional":false},{"name":"Blazor","optional":false},{"name":"C#","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"GraphQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"Fastify","optional":true},{"name":"JavaScript","optional":true},{"name":"Nest.JS","optional":true},{"name":"Node JS","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-07-16T08:51:35Z","employer_posted_date":"2026-07-16","last_verified_at":"2026-10-30T18:15:15Z","board_verified":true,"closed_at":null,"days_open":106,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":104},"description":"Craftzing is looking for a (freelance) senior .NET/C# software engineer to build and launch digital platforms.\nRequirements\nAbout the job\nCraftzing is looking for a senior (.NET/C#) software engineer to build and launch digital platforms. Someone who likes a complex challenge, talk to business about technical matters, can lead a development team and build custom solutions from scratch.\nWhat you'll do:\nArchitect and build scalable, high-performance .NET applications that stand up to real-world load.\n\nDesign and implement clean, modular and efficient software solutions.\n\nTake ownership of the robustness and architecture of the application, designing for scalability, security and performance from the start.\n\nMake and defend sound architecture decisions, and anticipate how systems need to scale.\n\nCollaborate with cross-functional teams and clients in a hybrid work environment.\n\nProvide technical leadership and mentorship, and set the technical direction for the team.\n\nWork in an Agile/Scrum environment, ensuring timely and high-quality deliveries.\n\nWho we're looking for:\nMinimum 10 years of proven experience in a similar role\n\nExpert in C# and the .NET ecosystem\n\nExperience with Blazor\n\nHands-on experience with CQRS for separating command and query responsibilities\n\nExpert in system integration: You seamlessly connect application components, APIs, and services to create a cohesive, high-performing solution\n\nExperience building REST/GraphQL APIs and writing API middleware\n\nExperience with Entity Framework, LINQ, and relational databases (Postgres/Azure SQL server)\n\nExperience with cloud platforms, ideally Microsoft Azure (App Service, Functions, Service Bus)\n\nExperience with version control software\n\nExperience in incorporating AI-tooling into your workflows\n\nFamiliarity with scrum and working in an agile environment\n\nYou are a team player with good communication skills\n\nYou are detail-oriented with a focus on code quality and best practices\n\nYou have a proactive problem-solving mindset\n\nYou have a passion for continuous learning and innovation\n\nFluent in English; Dutch is a plus\n\nYou are located in Belgium.\n\nBonus points:\nExperience using TypeScript in back-end environments (Node.js with NestJS, Express or Fastify)\n\nExperience developing products and platforms for the maritime sector\n\nYou can demonstrate your skills using a couple of real world projects\n\nYou're Craftzing-material when\nYou have a genuine interest in your customer, their needs and challenges\n\nYou have a real passion for quality and technology and its potential to improve work and life\n\nYou have a true consulting mindset\n\nDon't worry if you can't tick all the boxes above. It's about the right mentality and the desire to learn. If you think we're the right fit for you, get in touch.\nWhy you'll love us\nYou'll be part of a team of experts who share a passion for business transformation. Strategizing, designing and building spot-on sustainable digital environments that made us a trusted long-time partner of Telenet, Flemish Government, itsme®, BNP, Proximus, Philips TP Vision, Ahold Delhaize, Mediafin, Melexis, and many others. Together with us, you love to make a meaningful difference for our clients.\nFrom day one you get the trust and space to do what you're good at, and we encourage you to step out of your comfort zone and take ownership.","description_format":"text","description_chars":3358,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Continuous learning","Hybrid work"],"hiring_locations":[{"name":"Belgium","iso":"BE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-09-11T00:57:10Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.271,"p_room":0.28,"age_days":105,"expected_fill_days":28,"reasons":["conf:5","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-30T05:48:23Z"},"pay":null,"html_url":"https://alion.io/job/craftzing-netc-software-engineer","json_url":"https://alion.io/job/craftzing-netc-software-engineer.json","meta":{"generated_at":"2026-10-30T23:19:32Z","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":14543,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":673386},"rest":"https://alion.io/mcp/rest/get_company?id=673386"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcraftzing-netc-software-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fcraftzing-netc-software-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fcraftzing-netc-software-engineer"},{"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/craftzing-netc-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcraftzing-netc-software-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":690604}},{"tool":"search_jobs","arguments":{"company":"craftzing.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":690604},"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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