{"id":3172828,"url":"https://alion.io/job/constellation-automotive-senior-software-engineer-fe-react","title":"Senior Software Engineer (FE, React)","company":{"id":4374790,"name":"Constellation Automotive","domain":"constellationautomotive.com","url":"https://alion.io/company/constellationautomotive","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Frontend","role_family":"Frontend","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":["Coimbra, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"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":"Babel","optional":false},{"name":"CI/CD","optional":false},{"name":"Cypress","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"Less","optional":false},{"name":"npm","optional":false},{"name":"Sass","optional":false},{"name":"Scrum","optional":false},{"name":"State Management","optional":false},{"name":"TypeScript","optional":false},{"name":"Vue.js","optional":false},{"name":"Webpack","optional":false},{"name":"React Native","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-23T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-10-23T00:00:00Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"Sobre a vaga\nWe are seeking talented and motivated Senior Software Engineers with experience developing high-quality responsive web applications, using React. You will be part of a team of Frontend software engineers and work closely with Product, Engineering and Design teams to create innovative solutions.\n\nO que vais fazer\n\nDelivery of design, code, and maintenance of user-centric web apps, primarily leveraging React and Next.js\nParticipate in code reviews and writing tests and documenting work\nCollaborating closely with Design and Product teams to implement visually compelling and intuitive interfaces\nAdvocate for good engineering practices within the team to enhance efficiency, code quality, and user experience\nDeliver continuous delivery of value to users through efficient development practices and well-coordinated releases\nOffer mentorship and support to other team members\n\nO que é pedido\n\nMinimum of 5 years’ experience in front-end/app development, in a commercial setting, with a significant focus on React and its ecosystem\nStrong proficiency in JavaScript/TypeScript, HTML, CSS, and experience with CSS pre-processors (Sass, Less)\nExperience with modern front-end build pipelines and tools (such as Webpack, Babel, npm)\nExperience with UI testing frameworks (like Jest, React Testing Library, etc.) and understanding of TDD/BDD concepts\nFamiliarity with automation testing tools like Cypress or Test Cafe\nFamiliarity with Agile development methodologies and practices, such as Scrum or Kanban\nStrong problem-solving skills with the ability to analyse complex issues and develop innovative solutions\nExcellent communication and collaboration skills to effectively work with various stakeholders and to communicate technical information clearly\nBachelor’s or master’s degree in computer science or a related field or equivalent work experience\nExperience implementing and publishing npm packages\nProficiency in React: Excellent knowledge of React.js and its core principles, such as component lifecycle, state management, hooks, etc\nStrong JavaScript/TypeScript Skills: Excellent knowledge of JavaScript or TypeScript, including ES6+ syntax, and understanding of functional programming paradigms and nuances\nFamiliarity with Modern Front-End Tools and Technologies: Proficiency in using modern front-end build pipelines and tools such as Webpack, Babel, npm, yarn, etc\nUnderstanding of performance testing and optimization methodologies\nCSS/HTML Skills: Proficiency in HTML5 and CSS3, along with knowledge of CSS pre-processors like SASS or LESS, and CSS-in-JS approaches\nUnderstanding of responsive design principles\nExperience with Testing Frameworks and Methodologies: Familiarity with testing libraries and frameworks (like Jest, React testing library, etc.), and understanding of Test-Driven Development (TDD) / Behaviour-Driven Development (BDD) concepts\nOnly applications submitted in English will be considered\n\nValorizado\n\nFamiliarity with modern front-end frameworks and libraries beyond React (like Vue, Angular, etc.) is a plus\nExperience of developing mobile apps in React Native preferable, but not essential\n\nO que é oferecido\n\nHybrid working, home & BCA Coimbra (monthly visits)\nMonday - Friday, 40 hours\nPermanent\n\nResumo organizado por IA a partir do anúncio original. Confirma os detalhes no site da empresa.","description_format":"text","description_chars":3349,"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":["Hybrid work"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-23T18:46:35Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":27,"reasons":["seen:2","velocity","win:early"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/constellation-automotive-senior-software-engineer-fe-react","json_url":"https://alion.io/job/constellation-automotive-senior-software-engineer-fe-react.json","meta":{"generated_at":"2026-10-26T05:10:15Z","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":6893,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":4374790},"rest":"https://alion.io/mcp/rest/get_company?id=4374790"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fconstellation-automotive-senior-software-engineer-fe-react"},{"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%2Fconstellation-automotive-senior-software-engineer-fe-react"},{"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%2Fconstellation-automotive-senior-software-engineer-fe-react"},{"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/constellation-automotive-senior-software-engineer-fe-react\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fconstellation-automotive-senior-software-engineer-fe-react"}]}