{"id":3995449,"url":"https://alion.io/job/engiflex-full-stack-web-developer-and-technical-lead-employed-or-freelance","title":"Full-stack Web Developer and Technical Lead (Employed or freelance)","company":{"id":4413137,"name":"EngiFlex","domain":"engiflex.be","url":"https://alion.io/company/engiflex","size_band":"51-200","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Manatal","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"freelance","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Brussels, Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"Azure DevOps","optional":false},{"name":"C#","optional":false},{"name":"Docker","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"Git","optional":false},{"name":"IdentityServer","optional":false},{"name":"JavaScript","optional":false},{"name":"JQuery","optional":false},{"name":"Kubernetes","optional":false},{"name":"MS SQL","optional":false},{"name":"Node JS","optional":false},{"name":"Nuxt.js","optional":false},{"name":"Rest API","optional":false},{"name":"Sass","optional":false},{"name":"Vue.js","optional":false},{"name":"xUnit","optional":false},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-11-10T01:06:06Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T01:06:06Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Tasks and responsibilities\nAn IT development team is seeking a full-stack web developer with strong technical expertise and at least 8 years of experience in software development.\nYou will join an established, long-term software development project as technical lead. In this role, you will provide technical direction while continuing to contribute directly to the development work.\nYour main responsibilities will include:\nDefine and maintain the technical architecture of software solutions, with attention to scalability, security, performance and maintainability.\nTranslate business requirements into sound technical designs and suitable technology choices.\nContribute directly to software development, especially for complex or critical components.\nSafeguard code quality and architectural consistency through code reviews, technical standards and development best practices.\nGuide developers, explain technical decisions and support knowledge sharing and continuous improvement.\nIdentify technical risks, dependencies and technical debt, and drive suitable solutions.\nWork with the head of service and project managers to support successful project delivery.\nParticipate actively in project teams, contributing to the design, development, testing and delivery of software solutions.\nRequired technical skills\nObject-oriented programming, design patterns and n-tier architecture.\nBackend development with C#, .NET Framework 4.0, 4.5 and 4.8, .NET Core including .NET 10, .NET Core Web API and Entity Framework.\nFrontend development with HTML, CSS, JavaScript, jQuery, SCSS/SASS, Nuxt.js, Node.js and Vue.js.\nDatabase development with MS SQL Server and T-SQL.\nDevOps and containerisation with Microsoft Azure DevOps, Git, Docker and Kubernetes.\nUnit testing with NUnit and xUnit.\nIdentityServer, OpenID Connect and web application security.\nREST API services.\nSoft skills and personal competencies\nTechnical leadership: guide and advise colleagues on technical matters.\nCommunication: explain technical concepts, decisions and standards clearly.\nCollaboration: work effectively with developers, project managers and designers.\nAccountability: take ownership and address risks proactively.\nContinuous learning: develop your technical skills and stay open to new technologies.\nKnowledge sharing: share expertise and support colleagues in their development.\nLanguages\nFrench or Dutch, both written and spoken, as well as English, both written and spoken.\nYour profile\nYou have experience as a confirmed full-stack developer and bring at least 8 years of professional software development experience.\nYour technical profile includes:\nAzure DevOps\nAzure DevOps with Git\nC# and .NET Core, including .NET 10\nC# with ASP.NET Core and REST APIs\nC# with ASP.NET MVC\nDocker\nIdentityServer\njQuery and JavaScript\nKubernetes\nNuxt\nOpenID Connect\nVue.js\nYou can work professionally in French or Dutch and in English, in both written and spoken communication.\nOffer\nYou will be part of a growing Belgian SME where initiative and personal development are encouraged. We will provide you with an enjoyable work environment with fun colleagues. We will work out a career plan with you, with attention and a budget for extra education/certification. You can count on an attractive salary, supplemented with extra-legal benefits, including a company car.\n(Freelance is also possible)","description_format":"text","description_chars":3366,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Recruiting & Staffing","Engineering Services","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-11-10T01:06:06Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":6,"reasons":["conf:1","win:early"],"computed_at":"2026-11-10T02:07:34Z"},"pay":null,"html_url":"https://alion.io/job/engiflex-full-stack-web-developer-and-technical-lead-employed-or-freelance","json_url":"https://alion.io/job/engiflex-full-stack-web-developer-and-technical-lead-employed-or-freelance.json","meta":{"generated_at":"2026-11-10T02:07:34Z","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":4991,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"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":4413137},"rest":"https://alion.io/mcp/rest/get_company?id=4413137"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fengiflex-full-stack-web-developer-and-technical-lead-employed-or-freelance"},{"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%2Fengiflex-full-stack-web-developer-and-technical-lead-employed-or-freelance"},{"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%2Fengiflex-full-stack-web-developer-and-technical-lead-employed-or-freelance"},{"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/engiflex-full-stack-web-developer-and-technical-lead-employed-or-freelance\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fengiflex-full-stack-web-developer-and-technical-lead-employed-or-freelance"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3995449}},{"tool":"search_jobs","arguments":{"company":"engiflex.be","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3995449},"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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