{"id":2851391,"url":"https://alion.io/job/coolblue-front-end-reactnext-js-developer-2","title":"Front-End React/Next.js Developer","company":{"id":54499,"name":"Coolblue","domain":"coolblue.nl","url":"https://alion.io/company/coolblue","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":76,"open_postings":21,"ghost_share":0,"stale_share":0.952,"repost_share":0,"time_to_fill_p50_days":41,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Frontend","role_family":"Frontend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Rotterdam, Netherlands"],"countries":["NL"],"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":".NET","optional":false},{"name":"Agile","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"GitHub","optional":false},{"name":"JavaScript","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Sass","optional":false},{"name":"TypeScript","optional":false}],"status":"closed","first_seen_at":"2026-10-19T11:42:53Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-22T07:25:14Z","board_verified":false,"closed_at":"2026-10-22T07:25:14Z","days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"What does a Front-End React/Next.js Developer at Coolblue do?\nAs a Front-End React/Next.js Developer, you will be responsible for developing user interface components and implementing them using modern front-end technologies, including React.js and Next.js. Your primary focus is on the front end, while you understand how the back end supports these experiences. You will collaborate with UX Designers, coming up with creative solutions and presenting them within the team. You will also work together with other developers on APIs or server-side logic when required. You will gather feedback on both your technical and soft skills. Would you like to become a Front-End React/Next.js Developer at Coolblue? Read below if the job suits you.\nYou enjoy doing this\nDeveloping and implementing performant, user-friendly applications using React.js and Next.js.\nReviewing application requirements and interface designs, and identifying web-based user interactions.\nContributing to back-end logic such as APIs and server-side functionality using technologies like Node.js or C# when needed.\nMaking technical decisions, including about architecture, tools, and processes, with a full-stack perspective.\nCollaborating with team members from various backgrounds and nationalities.\nWorking with GitHub and writing automated tests to ensure high-quality software.\nWorking in a fast-paced Continuous Integration & Deployment environment.\n Money.\nWorking together in an international environment with colleagues from the Netherlands, Belgium, Spain, Brazil, Mexico, Italy, and many more. \nAn extraordinarily good work environment. Where we interact as friends and you can just be yourself.\nMonthly drinks, freshly prepared snacks, legendary Coolblue parties and the best team activities.\nA fine balance between working at the office and working from home. Of course, we’ll help you create the best home-office possible. Including desk chair, laptop, and blue garlands.\nPlenty of room for your own ideas, initiatives and choices. You do your work your way.\nTravel allowance, a retirement plan and an allowance when you work from home.\n25 leave days. As long as you promise to come back.\nA picture-perfect office at a great location. You could crawl to work from Rotterdam Central Station. We recommend just walking for 2 minutes, though.\nWith over 100 training courses in our own Coolblue University, you become a little better every day.\nA discount on all our products.\n You have 3+ years of experience as a Front-End React/Next.js Developer.\nYou have a BSc or MSc in Computer Science or comparable.\nAt least 1 to 3 years of hands-on experience with TypeScript.\nYou have in-depth knowledge of TypeScript and React.js/Next.js concepts.\nYou have experience with modern JavaScript (ES2017+), HTML, and CSS/SCSS.\nYou have experience with a Back-End runtime environment such as Node.js or C# (.NET).\nWorking with Scrum/Agile is second nature to you.\nYou are fluent in English.\nYou live in The Netherlands.\n As a Front-End React/Next.js Developer, you will help improve the user experience of our web applications at Coolblue, while being comfortable working across the full stack when needed. 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