Software Engineer - Innovation team - Similarweb

Prior experience building desktop applications for Windows or macOS (Electron, .NET, Swift, or similar). Familiarity with automated testing frameworks and relevant tooling (unit tests, integration tests, extension testing frameworks, end-to-end testing). Hands-on experience with AI-powered development environments (e.g., Cursor, Claude Code) and a demonstrated track record of integrating AI tools into everyday engineering workflows. **At Similarweb, collaborating with our colleagues in-office creates a more connected, unified culture. Our best work is a product of our face-to-face collaboration, with the ability to work partially from home.**

Design and write (a lot of) high-quality, functional code of cutting edge SDK's, distributed on millions of devices (JavaScript , Kotlin, Swift). Tackle challenges and find creative and innovative ways to solve them. Determine feasibility & take part in decision-making by performing risk management and evaluating trade-offs. Contribute to your team development velocity and quality confidence. Improve your skills, learn from and mentor top-notch engineers and enrich other team members. Perform code reviews, evaluate implementations, and provide feedback. 5+ years of hands-on experience building high-performance software products. B.Sc. or M.Sc. in Computer Science, Software Engineering or a related technical field (or equivalent experience). Strong software development skills; deep expertise in at least two of the following domains: Node.js, frontend/web internals (e.g. React), JavaScript/TypeScript, or browser/Chromium internals. Ability to work at a low level: understand and work with web-development internals, browser APIs, and extension platform mechanics. Experience with RESTful APIs and designing secure data handling within browser extensions. Strong debugging and investigative skills: able to research, triage and resolve complex issues that arise from browser/extension integration. Ability to own features end-to-end: from design and architecture through development, testing, deployment and maintenance. Prior experience building or maintaining browser-extensions or plugins (e.g. for Chrome, Edge, Firefox, or other browsers). Familiarity with browser-extension lifecycle and security challenges, including manifest-based extension development (e.g. Manifest V2 / V3), sandboxing, permissions model, secure data flow, etc. Prior experience building desktop applications for Windows or macOS (Electron, .NET, Swift, or similar). Familiarity with automated testing frameworks and relevant tooling (unit tests, integration tests, extension testing frameworks, end-to-end testing). Hands-on experience with AI-powered development environments (e.g., Cursor, Claude Code) and a demonstrated track record of integrating AI tools into everyday engineering workflows.

Prior experience building desktop applications for Windows or macOS (Electron, .NET, Swift, or similar). Familiarity with automated testing frameworks and relevant tooling (unit tests, integration tests, extension testing frameworks, end-to-end testing). Hands-on experience with AI-powered development environments (e.g., Cursor, Claude Code) and a demonstrated track record of integrating AI tools into everyday engineering workflows. **At Similarweb, collaborating with our colleagues in-office creates a more connected, unified culture. Our best work is a product of our face-to-face collaboration, with the ability to work partially from home.**