Similarweb

Similarweb is seeking a Senior Full Stack Developer with a strong backend orientation to build scalable, AI-powered product systems. The role combines backend architecture, API and data design, frontend collaboration, and AI-assisted engineering practices.

Senior Backend Engineer responsible for building the scalable infrastructure, platform services, and developer tools that power Similarweb’s core B2B products. The role combines backend development, platform engineering, production reliability, and evaluation of AI tools for software development.

Join Similarweb’s Prague Incubation team as a B2C Full Stack Developer building new, highly available products from frontend to backend. You’ll influence architecture, develop end-to-end features, and help shape an entrepreneurial product environment.

Senior Software Engineer building scalable B2C features and services that directly impact Similarweb users. The role combines hands-on server-side development, end-to-end technical ownership, and collaboration on product direction in a partially remote environment.

Build reliable .NET backend systems for Similarweb’s revenue-critical customer lifecycle, billing, subscription, and account workflows. You’ll modernize legacy services, integrate external platforms, and improve event-driven data consistency across production systems.

Senior DevOps Engineer responsible for designing and operating large-scale cloud infrastructure, building automation, and improving platform reliability. The role also focuses on AI-driven automation and infrastructure for LLM and agentic workflows.

Principal Tech Lead shaping the architecture and execution of Similarweb’s high-scale backend engines and distributed data systems. The role combines hands-on software leadership, agentic engineering innovation, and mentorship across multiple engineering streams.

Build high-scale data systems and pipelines that retrieve, process, and analyze digital-world data for Similarweb’s customer-facing intelligence platform. You’ll collaborate with data engineers, scientists, and analysts while working with large-scale data and modern cloud technologies.

Build AI Studio, Similarweb’s platform for intelligent agents that answer complex market research questions, generate reports, and create interactive dashboards. You’ll develop LLM-based agents, integrate tools and data sources, and improve AI quality in a hybrid work environment.