{"id":3861933,"url":"https://alion.io/job/nilfisk-senior-fullstack-developer-net-next-js","title":"Senior Fullstack Developer (.NET / Next.js)","company":{"id":176653,"name":"Nilfisk","domain":"nilfisk.com","url":"https://alion.io/company/nilfisk","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":91,"open_postings":17,"ghost_share":0,"stale_share":0.353,"repost_share":0,"time_to_fill_p50_days":59,"computed_at":"2026-11-07T05:47:08Z"}},"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":["Budapest, Hungary"],"countries":["HU"],"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":".NET","optional":false},{"name":"Agile","optional":false},{"name":"Algolia","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"CI/CD","optional":false},{"name":"Figma","optional":false},{"name":"Next.js","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"C#","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-06T10:02:32Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-07T06:23:44Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Join Nilfisk as a Senior Fullstack Developer and help shape our public website for customers across multiple markets. You will turn thoughtful UX and UI designs into fast, reliable digital experiences while modernising a composable web landscape built on .NET, Umbraco CMS and Next.js. This role combines hands-on engineering, architectural influence, close teamwork and visible business impact.\nThe Role\nBased in Budapest, you will combine time with colleagues in the office with remote working in a 50/50 hybrid arrangement as you develop and enhance Nilfisk’s public website across modern frontend applications, backend services and enterprise integrations. You will work with Next.js, .NET, headless content management in Umbraco CMS, Algolia search, and connected systems such as PIM and DAM.\nYou will contribute throughout the delivery lifecycle by shaping technical solutions, building and testing features, improving performance and resilience, supporting releases, and helping maintain stable day-to-day operations. A key part of the role is balancing platform modernisation with pragmatic improvements to legacy areas while protecting delivery commitments.\nWhat you will do\nDesign, build and maintain production-grade web experiences with Next.js and Umbraco, translating Figma designs and business needs into responsive, accessible customer journeys.\nDevelop and improve .NET backend services and integrations, including API orchestration, caching, performance optimisation and resiliency patterns.\nCreate stable, well-designed content and product data flows across Algolia, PIM, DAM and other integration points.\nBuild, deploy and operate solutions on Microsoft Azure using services such as App Service, Functions and Azure Storage, while contributing to monitoring, scalability and cost-efficient hosting.\nDrive quality throughout delivery by self-testing changes, writing maintainable and well-tested code, reviewing pull requests and reducing regression risk before business testing and release.\nImprove the platform and team effectiveness by refactoring legacy code, strengthening component architecture and developer experience, communicating blockers early, and explaining technical decisions clearly.\nYour New Team\nYou will join a collaborative, cross-functional environment where developers, product owners, designers and technical specialists work together to improve Nilfisk’s public website. Whether working together in the office or connecting remotely, the team stays connected through Microsoft Teams, Jira and agile ceremonies, with room for independent problem-solving, constructive challenge and knowledge sharing.\nYou will be encouraged to contribute ideas, review code, support colleagues and help the team make sound architectural choices. Success comes from combining technical depth with openness, reliability and a practical understanding of business priorities.\nAI-assisted tools are already part of how we work. We encourage you to explore how they can support your development process, from testing ideas to improving code and test coverage. We see AI as a helpful partner, not a substitute for your expertise, critical thinking or hands-on work. You remain responsible for understanding, reviewing and validating what you deliver.\nWhy Join Us\nYour work will contribute directly to digital experiences used across markets and regions. You will work with a modern, composable technology landscape, tackle meaningful engineering challenges and influence how the platform evolves. The role offers an international working environment, close collaboration across disciplines and opportunities to strengthen both technical and architectural skills.\nAt Nilfisk, we know that amazing people make amazing companies. You will join a culture built on trust and freedom, with a strong growth mindset. At Nilfisk, it is OK to make mistakes, as long as you learn from them. We encourage you to question ideas and speak your mind so that together we can find the best solutions. If this resonates with you, we would be excited to hear from you.\nWhat you bring\nYou are a fullstack developer who enjoys turning complex requirements into clear, dependable solutions. You bring:\nStrong hands-on experience with .NET and building production-grade applications with Next.js.\nSolid understanding of modern React patterns, component architecture, responsive design, and the trade-offs involved in performance, scalability and maintainability.\nExperience with .NET backend services API design, and Redis or comparable caching technologies\nA good understanding\nClear communication skills and the ability to work effectively both independently and as part of a cross-functional team.\nStrong understanding of data fetching, caching and API integration to build resilient customer journeys\nA quality-focused approach to development, including testing, code review and reliable delivery. \nAdditional experience we value:\nTechnical leadership as a tech lead or lead developer, including guiding technical direction and supporting other developers.\nUmbraco CMS, including headless content delivery and back-office customisation.\nAzure DevOps pipelines and CI/CD practices.\nWeb performance, SEO and accessibility, including WCAG, for high-traffic public websites.\nIntegrations with PIM, DAM or other enterprise systems used in global organisations.\nMACH or composable architecture principles.\nBeyond the technology, you communicate clearly, approach problems analytically and pay close attention to detail. You are comfortable working independently and collaboratively, know when to seek clarification and contribute constructively through code reviews, mentoring and open technical discussion. You adapt well as priorities and requirements evolve.\nInterested?\nIf this could be your next career step, we would be pleased to receive your application. Please submit your CV through the Nilfisk careers portal. The application deadline is the 27th of November. Applications will be reviewed on an ongoing basis, so we encourage you to apply today!\nLet’s create a cleaner future together\nCleaning has emerged as a key contributor to health and safety, sparked by technology and innovation. At Nilfisk we are a driving force in this development. Being part of Nilfisk means thinking outside of the box, bringing your inspiring ideas to life, sharing the results, and learning from your setbacks. We believe that diversity is our greatest strength - as we achieve the best results from a wide variety of views and approaches. At Nilfisk, you have the freedom to be yourself and express your opinions. Nilfisk is firmly committed to growth and sustainability in everything we do. You will be empowered in your role as you collaborate with passionate colleagues on a quest to create a cleaner future.\nAre you ready to make a change for a cleaner future?\nAbout Nilfisk\nNilfisk is a world-leading provider of professional cleaning equipment and services, founded in Denmark in 1906. With approximately 4,500 employees across 45 countries and products sold in over 100 markets, we are committed to developing sustainable cleaning solutions that improve quality of life. We are a proud member of the United Nations Global Compact.\nWe embrace diversity and equality with an environment of inclusion. We encourage everyone to apply for the position, regardless of origin, race, ethnicity, religion, physical or mental ability, gender, gender-identity or expression, sexual orientation, and age.\nJob applicant FAQ\nDo you have questions regarding the recruitment process or alike? 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