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Senior Full Stack Developer - B2C

Similarweb · Prague · Czechia · Hybrid

Posted Aug 14, 2026

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At Similarweb, we're revolutionizing the way businesses interact with the digital world by revealing to them everything that happens online. Our cutting-edge platform and unique data empower over 4,300 customers globally, including industry giants like Google, eBay, and Adidas, to make game-changing decisions that drive their digital strategies. In 2021, we went public on the New York Stock Exchange, and we haven’t stopped growing since! We're expanding our global presence with a brand-new site in Prague - home to Europe’s top tech talent - and seeking exceptional pioneers to help build a new dynamic team. At Similarweb, you'll innovate fast, collaborate with brilliant minds, solve big problems, work with cutting-edge technologies and data at incredible scales, and make a tangible impact on the world's most innovative companies. We’re looking for an Experienced Full Stack Developer to design, code and manage Similarweb’s large-scale and highly available services, using cutting edge technologies & design. The position is within the Incubation team responsible for innovating and developing new Similarweb products, operating with the entrepreneurial spirit and dynamic atmosphere reminiscent of a startup within our organization. This role will report to Team Manager, R&D. Here’s what your day will look like: Design, code, and manage large-scale, highly available services using cutting-edge technologies. Tackle tough problems and find creative ways to solve them. Determine feasibility by performing risk management and evaluating tradeoffs. Lead decision-making & design of APIs, mechanisms, and abstractions. Build new features and directly impact the future of our product end to end (frontend, backend, tests, monitoring, etc.) and cross platforms. Write high-quality, functional code – backend and frontend. Improve your skills, learn from and mentor top-notch engineers and enrich other team members. Perform code reviews, evaluate implementations, and provide feedback. Have lots of fun! Here’s what you’ll need: B.Sc. or M.Sc. in Computer Science or a related field; 4+ years of backend engineering and hands-on experience with web technologies; At least 2 years of experience in developing front-end/mobile (Well-known frameworks- React, Vue, etc. - an advantage); Infrastructure: Experience with cloud platforms (AWS, GCP or Azure), containerization (Docker), and orchestration (Kubernetes, Terraform, Helm, Argo). Experience in Typescript; Experience in Node.js and at least one large framework (Express, NestJS etc.) Experience with at least one large UI framework (react, angular, vue); Experience with databases; Experience in architecture and design of production-grade web services; Comfortable taking challenges and learning new technologies; Excellent communication skills with the ability to provide constant dialog between teams; High proficiency in both written and spoken English; What can…