{"id":3995448,"url":"https://alion.io/job/engiflex-full-stack-web-and-mobile-developer-permanent-or-freelance","title":"Full-Stack Web and Mobile Developer (Permanent 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":"Mobile","role_family":"Mobile","seniority":"senior","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":6,"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":"Expo","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":"MVC","optional":false},{"name":"Node JS","optional":false},{"name":"Nuxt.js","optional":false},{"name":"React Native","optional":false},{"name":"Rest API","optional":false},{"name":"Sass","optional":false},{"name":"Vue.js","optional":false},{"name":"xUnit","optional":false},{"name":"Azure","optional":true},{"name":"React.js","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 looking for a full-stack web and mobile developer with at least six years of experience.\nThe role includes:\nMaintain the technical architecture of software solutions.\nWork with the technical team to translate business requirements into suitable technical designs and technology choices.\nContribute directly to software development, particularly for complex or critical components.\nSupport code quality and architectural consistency through code reviews, technical standards and development best practices.\nParticipate in project teams and contribute to the design, development, testing and delivery of software solutions.\nDevelop and maintain mobile applications.\nContribute to the testing, release and deployment of mobile applications on the Google Play Store and Apple App Store.\nYour profile\nYou have proven experience as a full-stack developer and can work independently on web and mobile applications.\nRequired technical skills\nObject-oriented programming, design patterns and n-tier architecture.\nBackend development with C#, .NET Framework 4.0/4.5/4.8, .NET Core, .NET 10, ASP.NET Core for REST APIs, ASP.NET MVC and Entity Framework.\nFront-end development with HTML, CSS, JavaScript, jQuery, SCSS/SASS, Nuxt.js, Node.js and Vue.js.\nMS SQL Server and T-SQL.\nMS Azure DevOps, Azure DevOps with Git, Docker and Kubernetes.\nMobile development with React Native and Expo, including deployment to Google Play and the App Store.\nUnit testing with NUnit and xUnit.\nIdentityServer, OpenID Connect and web application security.\nREST API services.\nSoft skills and personal competencies\nAnalyse complex problems, understand technical requirements and identify suitable solutions.\nWork independently, take ownership of assigned tasks and proactively identify areas for improvement.\nCollaborate effectively with developers, designers, functional analysts, project managers and other stakeholders.\nCommunicate clearly and explain technical topics to colleagues.\nAdapt to changing requirements, new technologies and different development environments.\nMaintain a consistent focus on code quality, reliability, usability and maintainability across web and mobile applications.\nLanguages\nFrench or Dutch, in reading, writing and speaking.\nEnglish, in reading, writing and speaking.\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":2744,"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":[{"language":"Dutch","level":"All levels","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":[],"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:0","win:early"],"computed_at":"2026-11-10T01:55:04Z"},"pay":null,"html_url":"https://alion.io/job/engiflex-full-stack-web-and-mobile-developer-permanent-or-freelance","json_url":"https://alion.io/job/engiflex-full-stack-web-and-mobile-developer-permanent-or-freelance.json","meta":{"generated_at":"2026-11-10T01:55:04Z","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":4457,"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-and-mobile-developer-permanent-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-and-mobile-developer-permanent-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-and-mobile-developer-permanent-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-and-mobile-developer-permanent-or-freelance\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fengiflex-full-stack-web-and-mobile-developer-permanent-or-freelance"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3995448}},{"tool":"search_jobs","arguments":{"company":"engiflex.be","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3995448},"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. Docs: https://alion.io/developers"}}