{"id":1337914,"url":"https://alion.io/job/datasmart-frontend-javascript-developer","title":"Frontend JavaScript Developer","company":{"id":3807100,"name":"DataSmart","domain":"datasmart.pt","url":"https://alion.io/company/datasmart-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":"teamlyzer.com","ats_vendor":null,"truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":"middle","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":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"NgRx","optional":false},{"name":"Pinia","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"Scrum","optional":false},{"name":"State Management","optional":false},{"name":"TypeScript","optional":false},{"name":"Vite","optional":false},{"name":"Vue.js","optional":false},{"name":"Webpack","optional":false}],"status":"live","first_seen_at":"2026-09-17T00:00:00Z","employer_posted_date":"2026-09-17","last_verified_at":"2026-09-17T00:00:00Z","board_verified":false,"closed_at":null,"days_open":14,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":14},"description":"Sobre a vaga\nJoin our team as a Frontend JavaScript Developer (Hybrid - Lisbon, Porto, Coimbra, or Braga). You will develop and maintain modern, responsive web applications using JavaScript and contemporary frontend frameworks, building intuitive and user-friendly interfaces that deliver exceptional user experiences.\nO que vais fazer\nDevelop and maintain modern, responsive web applications using JavaScript and contemporary frontend frameworks\nBuild intuitive and user-friendly interfaces that deliver exceptional user experiences\nCollaborate with UX/UI designers, backend developers, and product teams to deliver high-quality solutions\nDevelop reusable, maintainable, and scalable frontend components\nIntegrate frontend applications with RESTful APIs and backend services\nOptimize applications for performance, accessibility, and cross-browser compatibility\nParticipate in code reviews and contribute to frontend best practices and coding standards\nSupport CI/CD processes and contribute to the continuous improvement of development workflows\nO que é pedido\n3+ and 5+ years of professional experience in Frontend Development\nStrong proficiency in JavaScript (ES6+), HTML5, and CSS3\nHands-on experience with at least one modern frontend framework, such as React, Vue.js, or Angular\nExperience integrating RESTful APIs and working with asynchronous data\nKnowledge of responsive design, accessibility, and modern UI development best practices\nExperience with Git and collaborative development workflows\nFamiliarity with Agile/Scrum methodologies\nStrong analytical, troubleshooting, and problem-solving skills\nEnglish proficiency at a professional level (minimum B2)\nLiving in Portugal and available to work in a hybrid model\nValorizado\nKnowledge of TypeScript, state management libraries (Redux, Pinia, NgRx), or modern build tools (Vite, Webpack) is a plus\nO que é oferecido\nOpportunity to integrate into a solid company\nParticipate in projects of high recognition, nationally and internationally\nAppealing technological environment\nCareer progression\nResumo organizado por IA a partir do anúncio original. Confirma os detalhes no site da empresa.","description_format":"text","description_chars":2149,"description_truncated":false,"requirements":{"experience_years_min":3,"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":[],"hiring_locations":[{"name":"Portugal","iso":"PT","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-27T14:54:48Z"}],"liveness":{"score":57,"band":"ok","label":"Likely open","p_open":1,"p_active":0.756,"p_room":0.75,"age_days":13,"expected_fill_days":17,"reasons":["seen:13","velocity","win:late"],"computed_at":"2026-09-30T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/datasmart-frontend-javascript-developer","json_url":"https://alion.io/job/datasmart-frontend-javascript-developer.json","meta":{"generated_at":"2026-10-01T02:04:26Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1688,"day_limit":5000,"remaining_today":3312,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}