{"id":852666,"url":"https://alion.io/job/youdidit-full-stack-developer-fsd-with-expertise-in-digital-distributed-infrastructures","title":"Full Stack Developer (FSD) with expertise in digital distributed infrastructures","company":{"id":694264,"name":"youdidIT","domain":"youdidit.de","url":"https://alion.io/company/youdidit","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Join","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"contractor","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":{"min":47,"max":52,"currency":"EUR","period":"hour","gross":null,"usd_annual":120000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"JavaScript","optional":false},{"name":"JQuery","optional":false},{"name":"React.js","optional":false},{"name":"Spring Framework","optional":false},{"name":"Apache Camel","optional":true},{"name":"Apache HTTP Server","optional":true},{"name":"Apache Tomcat","optional":true},{"name":"AWS","optional":true},{"name":"Bitbucket","optional":true},{"name":"Confluence","optional":true},{"name":"Docker","optional":true},{"name":"Gradle","optional":true},{"name":"GSON","optional":true},{"name":"Hibernate","optional":true},{"name":"Java","optional":true},{"name":"Kotlin","optional":true},{"name":"Kubernetes","optional":true},{"name":"Maven","optional":true},{"name":"Mockito","optional":true},{"name":"MVC","optional":true},{"name":"MySQL","optional":true},{"name":"npm","optional":true},{"name":"Oracle","optional":true},{"name":"Rest API","optional":true},{"name":"SOAP","optional":true},{"name":"Spring Boot","optional":true},{"name":"Spring Cloud","optional":true},{"name":"Spring Security","optional":true},{"name":"SQL","optional":true},{"name":"TypeScript","optional":true},{"name":"UML","optional":true}],"status":"live","first_seen_at":"2025-04-03T14:56:42Z","employer_posted_date":"2025-04-03","last_verified_at":"2026-11-08T17:43:17Z","board_verified":true,"closed_at":null,"days_open":584,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":583},"description":"EU citizens applicants with European passport only. This position is open only for freelancing (Range per hour between 47 Euro to 52 Euro).\nJoin youdidIT@European Commission, an innovative IT services and consulting company. As a Full Stack Developer, you'll tackle exciting challenges in a dynamic team, serving international clients and public organizations. Your expertise will boost our clients' efficiency and competitiveness in the digital world. We value communication, creativity, and teamwork, and emphasize continuous learning and social responsibility. If you’re ready to work in a quality- and security-focused environment, we look forward to your application. Join us in driving innovation and sustainable solutions.\nTasks\nTASKS\nDevelopment of front-end website.\nDevelopment of back-end website.\nDesign and develop APIs.\nBuilding reusable code for future use.\nDevelopment and integration of technological components.\nImplementation of user requirements.\nPrototyping.\nElaboration of test programs.\nIntegration with other applications.\nWriting of technical documentation.\nAssistance with deployment and configuration of the system.\nParticipation in meetings with the project teams.\nRequirements\nStrong knowledge of:\nIn depth knowledge of HTML 5 and CSS 3\nIn depth knowledge of Java 8 and Java 11. Java 17 and above are plus.\nIn depth and proven knowledge of Spring framework.\nGood knowledge and experience working with Javascript frameworks (Angular, JQuery,\nReact…)\nIn depth knowledge of Relational DBMS\nGood knowledge of Agile principles\nGood knowledge of design principles such as SOLID, IDEALS and CQRS.\nSAGA is a plus.\nGood knowledge of interoperability technology (REST, Service Oriented Architecture,\nweb services, message-oriented middleware, service-oriented bus).\nKnowledge of UML, in particular use case, state transition and activity diagrams.\nCapability to write clear and structured technical documents\nAbility to give business and technical presentations.\nAbility to apply high quality standards\nAnalysis and problem\n-solving skills\nAbility to cope with fast changing technologies used in application architecture and\ndesign\nIn depth knowledge of, and experience with Spring and Spring Boot version 3+,\nHibernate/JPA, MVC, Validation, Testing and Spring Security.\nIn depth knowledge and skills on using Continuing Development / Continuing Integration\ntechniques, knowledge of source code control repositories (GIT/Bitbucket) and build tools such as Maven and Gradle.\nIn depth knowledge of, and experience with, Spring Boot Test, jUnit and Mockito\nIn depth knowledge of Javascript framework Angular and NPM\nIn depth knowledge of, and experience with Oracle (versions 8+) and PL/SQL\nGood knowledge and experience working with Java framework STRUTS\nGood knowledge and experience working with JSP technology\nGood knowledge and experience working with Javascript framework Knockout JS\nGood knowledge and experience working with WebLogic\nGood knowledge and experience working with Tomcat\nGood knowledge and experience working with JSON format with libraries GSON or\nJACKSON\nKnowledge of, and experience with Weblogic\nKnowledge of, and experience with Tomcat\nKnowledge of REST principle\nKnowledge of SOAP and Spring Web Services.\nKnowledge of API Gateways such as WSO2 and Spring Cloud Gateway or Eureka/Zuul\nKnowledge of Javascript framework JQuery\nKnowledge of Javascript framework Kendo UI\nExperience working with the Atlassian Suite, JIRA Confluence Bitbucket and bamboo\nKnowledge of modern security frameworks/protocols such as JWT, JWE, JWKS, OIDC and\nCAS is an asset\nKnowledge of encryption and signing is an asset\nKnowledge of DevSecOps is an asset\nKnowledge of Kubernetes, Docker or AWS is an asset\nKnowledge of, and experience with MySQL (versions 5+) is an asset.\nExperience with Enterprise Service Bus technologies (Apache Camel, Apache ServiceMix,\nOracle Service Bus…) is an asset.\nKnowledge of Web accessibility standards (WCAG 2.0, WCAG 2.1, WAI\n-ARIA) is an asset\nGood understanding of UX design best practises, in particular responsive and mobile\n-first design, is an asset.\nExperience in integration with European Commission authentication system\nECAS/EULogin is an asset.\nExperience in integration with European Commission system Decide is an asset.\nExperience in integration with European Commission system ARES is an asset.\nBenefits\nAttractive salary, long project continuity, supportive team environment\nJoin youdidIT as a Full Stack Developer, driving innovation in digital distributed infrastructures. Elevate your career with impactful projects at the European Commission and beyond. Apply today!","description_format":"text","description_chars":4640,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-13T04:26:51Z"},{"event":"open","at":"2026-09-30T02:20:00Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.198,"p_room":0.28,"age_days":583,"expected_fill_days":40,"reasons":["conf:4","win:tail","crowd:"],"computed_at":"2026-11-08T05:47:12Z"},"pay":{"stated_usd_annual":120000,"is_top_pay":false},"html_url":"https://alion.io/job/youdidit-full-stack-developer-fsd-with-expertise-in-digital-distributed-infrastructures","json_url":"https://alion.io/job/youdidit-full-stack-developer-fsd-with-expertise-in-digital-distributed-infrastructures.json","meta":{"generated_at":"2026-11-09T01:28:59Z","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":3142,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"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":694264},"rest":"https://alion.io/mcp/rest/get_company?id=694264"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fyoudidit-full-stack-developer-fsd-with-expertise-in-digital-distributed-infrastructures"},{"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%2Fyoudidit-full-stack-developer-fsd-with-expertise-in-digital-distributed-infrastructures"},{"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%2Fyoudidit-full-stack-developer-fsd-with-expertise-in-digital-distributed-infrastructures"},{"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/youdidit-full-stack-developer-fsd-with-expertise-in-digital-distributed-infrastructures\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fyoudidit-full-stack-developer-fsd-with-expertise-in-digital-distributed-infrastructures"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":852666}},{"tool":"search_jobs","arguments":{"company":"youdidit.de","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":852666},"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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