{"id":3829948,"url":"https://alion.io/job/syone-senior-full-stack-developer-java-angular","title":"Senior Full Stack Developer (Java + Angular)","company":{"id":2555720,"name":"Syone","domain":"syone.com","url":"https://alion.io/company/syone","size_band":"51-200","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Deel","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lisbon, Portugal"],"countries":["PT"],"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":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"Apache Tomcat","optional":false},{"name":"CI/CD","optional":false},{"name":"Confluence","optional":false},{"name":"Java","optional":false},{"name":"Jira","optional":false},{"name":"JUnit","optional":false},{"name":"Kanban","optional":false},{"name":"Linux","optional":false},{"name":"Maven","optional":false},{"name":"Mockito","optional":false},{"name":"Scrum","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring MVC","optional":false},{"name":"GDPR","optional":true},{"name":"JavaScript","optional":true},{"name":"Kotlin","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-11-05T15:53:27Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-06T22:32:53Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"We are looking for an experienced Full Stack Developer with at least 6 years of professional experience to join our team and work in an Agile environment.\nThe ideal candidate will have strong expertise in Java and Angular, a solid understanding of software engineering best practices, and a proactive mindset focused on continuous improvement and collaboration.\nWhat you will do\nDesign, develop and maintain Full Stack applications using Java and Angular.\n\nDevelop and maintain backend services using Java, Spring Boot, Spring Batch and Spring MVC.\n\nBuild modern and responsive frontend applications using Angular 2+.\n\nWork with application servers such as JBoss and Tomcat.\n\nDevelop and maintain automated unit tests using JUnit, Mockito or other testing frameworks.\n\nParticipate actively in Code Reviews, ensuring code quality and adherence to development best practices.\n\nWork with relational databases, particularly Oracle.\n\nApply software design patterns and contribute to scalable and maintainable solutions.\n\nParticipate in continuous integration processes and contribute to improving development workflows.\n\nUse AI coding assistants to support development activities and improve productivity.\n\nCollaborate with team members within an Agile environment, using Scrum or Kanban methodologies.\n\nSupport and mentor less experienced developers, sharing knowledge and promoting good practices.\n\nContribute to continuous improvement initiatives and proactively identify opportunities to optimize processes and solutions.\n\nWhat you need to bring\nAt least 6 years of professional experience as a Full Stack Developer or Software Engineer.\n\nSolid experience with Java and the Spring ecosystem, including Spring Boot, Spring Batch and Spring MVC.\n\nStrong experience with Angular 2+.\n\nGood knowledge of Maven, JBoss and Tomcat.\n\nExperience with unit testing frameworks such as JUnit and Mockito.\n\nExperience using AI coding assistants.\n\nGood understanding of Software Design Patterns and software engineering best practices.\n\nExperience with Continuous Integration (CI) principles and related tools.\n\nExperience working with relational databases, particularly Oracle.\n\nKnowledge of Linux and Shell Scripting.\n\nExperience working with Agile methodologies, particularly Scrum and Kanban.\n\nFamiliarity with Jira and Confluence.\n\nGood communication skills in Portuguese and English (French is a plus).\n\nStrong autonomy, organizational and prioritization skills.\n\nProactive attitude, innovative thinking and a continuous improvement mindset.\n\nAbility to take initiative, promote best practices and mentor less experienced team members.\n\nBy applying, you accept our GDPR policies. Your personal data in your CV and documents will be used solely for processing your application at SYONE. SYONE, S.A. (NIPC 504729624) is the data controller, located at Rua Alfredo da Silva, 8-A, Edifício Stern, Piso 3D, 2610-016 Amadora. We will use your data to tailor your application to relevant vacancies and for potential employment contracts. If selected, your data will be kept during your employment and for at least two years after. If not selected, your data will be kept for two years for future vacancies and then deleted, except for your contact details. You can exercise your rights (access, rectification, erasure, etc.) by emailing . Your data may be shared with our HR service providers and will be stored securely. You can withdraw your consent at any time. We will not use your data for other purposes without your express consent. For more information, email . Your data will not be used for other purposes without your express consent.","description_format":"text","description_chars":3672,"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":"Portuguese","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Portugal","iso":"PT","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams"],"lifecycle":[{"event":"open","at":"2026-11-05T19:13:26Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":38,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-11-06T05:58:05Z"},"pay":null,"html_url":"https://alion.io/job/syone-senior-full-stack-developer-java-angular","json_url":"https://alion.io/job/syone-senior-full-stack-developer-java-angular.json","meta":{"generated_at":"2026-11-07T02:31:38Z","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":5873,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":2555720},"rest":"https://alion.io/mcp/rest/get_company?id=2555720"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsyone-senior-full-stack-developer-java-angular"},{"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%2Fsyone-senior-full-stack-developer-java-angular"},{"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%2Fsyone-senior-full-stack-developer-java-angular"},{"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/syone-senior-full-stack-developer-java-angular\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsyone-senior-full-stack-developer-java-angular"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3829948}},{"tool":"search_jobs","arguments":{"company":"syone.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3829948},"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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