Senior Full-Stack Software Engineer

Who you are

• We expect you to bring deep expertise in at least one part of the stack and to contribute confidently across the wider platform
• A bachelor’s or master’s degree in Computer Science, Software Engineering, or a closely related technical field
• At least five years of professional software engineering experience building and maintaining production web applications
• Direct experience with Python, Django, Vue.js, Node.js, or Go
• Strong full-stack development experience, with deeper expertise in either backend or frontend engineering
• Professional experience with server-side development and TypeScript-based frontend development
• Experience designing, building, and maintaining APIs or backend services
• Strong engineering fundamentals, including automated testing, debugging, code review, Git, and maintainable software design
• The ability to investigate complex problems across browser, frontend, and backend systems
• A track record of owning software beyond its initial implementation, including rollout, debugging, and production maintenance
• Clear written and verbal communication in English
• Currently based in the Netherlands and able to work from our Amsterdam office four days per week
• A GitHub profile containing publicly viewable code that you wrote
• Browser automation experience with Playwright, Puppeteer, or the Chrome DevTools Protocol
• Knowledge of CSP, cookies, SameSite, SRI, or cross-origin isolation
• Experience with WebSockets, WebRTC, or browser extension development
• Experience with PostgreSQL, Redis, microservices, containers, or deployment pipelines
• Experience with MCP, WebMCP, or other AI-agent integrations

What the job involves

• As a Senior Full-Stack Software Engineer, you will join our Product Engineering team in Amsterdam. This is a genuinely full-stack role: projects regularly cross frontend and backend boundaries
• You will own production features from technical design and implementation through testing, release, and maintenance. Your work will include a mix of:
• Building in-session interfaces and tools using TypeScript and Vue.js
• Developing APIs and backend services using Python, Django, Django REST Framework, Node.js, and Go
• Building real-time collaboration features using WebSockets and WebRTC
• Developing browser automation, in-session extensions, and security controls
• Building integrations with customer and partner systems
• Developing MCP and WebMCP capabilities that allow AI agents to interact with Webfuse sessions
• Testing, debugging, deployment, and production maintenance are part of owning a feature - not separate responsibilities handed to another team
• As part of a small engineering team, you will have direct influence over technical decisions and how features are built

Benefits

• MacBook and Jabra headset
• Standing desk and ergonomic chair
• Work with other smart, ambitious, curious, and dependable colleagues
• Employee stock options: we are all owners and shareholders of our company - Surfly's success is in our hands!
• 25 holidays per year
• Company-wide gathering and team outings
• Monthly wellness allowance
• Professional development opportunities
• Foosball table at the office
• Beautiful office in city center with canal views
• Relocation assistance