Senior Software Engineer - Web

<h3>WHO WE ARE</h3> <p>Wire is the leading end-to-end encrypted communication platform, trusted by businesses, critical infrastructure providers, and governments worldwide. We prioritize privacy as a fundamental right, delivering the most secure communication experience across various industries. Our cutting-edge encryption technology and robust security measures have made us a trusted partner in the technology, finance, healthcare, and government sectors. If you're passionate about redefining secure communication and want to be part of an innovative team, join us as a Senior Software Engineer Web. Together, let's build a world where privacy and security shape the future of communication.</p> <h3>GENERAL INFORMATION</h3> <ul><li><p>Employment Type: Permanent</p></li><li><p>Previous working experience: 7+ years in Frontend or Full-stack development, with significant time in Senior or Tech Lead roles.</p></li><li><p>Working hours: 40hrs/week</p></li><li><p>Working Location: Berlin Office, Remote within Germany or EU</p></li><li><p>Reports to: Engineering Manager - Web</p></li></ul> <h3>YOUR CHALLENGE AT WIRE</h3> <ul><li><p>Real-time messaging and encrypted media exchange using cutting-edge standards like MLS</p></li><li><p>Meetings and conferencing features, including UI for video/audio calls, shared screens, and threaded discussions</p></li><li><p>Performance-focused improvements on message processing, rendering, synchronization, and offline-capable workflows across platforms and sessions</p></li><li><p>Leading technical initiatives with Senior Engineers and Engineering Manager to improve architecture and developer experience — while ensuring their purpose and impact are well understood by anyone</p></li><li><p>Defining and driving technical initiatives that improve app scalability, reliability, and maintainability — including modernizing legacy areas</p></li><li><p>Driving architectural decisions and raising the technical bar through well-reasoned RFCs and ADRs, thoughtful code reviews, and a collaborative, communicative mindset</p></li><li><p>Supporting and mentoring other engineers — helping them grow, share context, and take on broader ownership</p></li></ul> <h3>YOUR PROFILE</h3> <p>You’ve built and maintained complex frontend systems across web and desktop environments and know what it means to carry a feature from rough idea to production. You think in systems, advocate for your decisions with clarity, and know how to move teams forward — even when the path isn’t obvious.</p><br/><h4><span>Technical Skills</span></h4><ul><li><p>Expert-level knowledge of React and frontend architecture; Electron experience is a strong plus for our desktop client stack</p></li><li><p>Strong grasp of performance optimization, virtualization, and rendering strategies for real-time UIs</p></li><li><p>Experience working with local client-side databases (e.g., IndexedDB or alternatives), Web Workers, WASM-based libraries, and large in-browser data sets</p></li><li><p>Familiarity with secure messaging protocols (e.g., MLS, WebRTC, or E2EE media flows) is a plus, especially in real-time or privacy-focused applications</p></li><li><p>Understanding of file management flows — uploads, streaming, previews, and integration with storage systems like S3</p></li><li><p>Experience working in modular or multi-package codebases, including monorepos, using tooling like Webpack, npm scripts, and shared frontend infrastructure</p></li><li><p>Familiar with maintaining or improving CI/CD pipelines (GitHub Actions, Jenkins)</p></li><li><p>Strong testing practices — you care about both unit and e2e test coverage (e.g., Playwright)<br/><br/></p></li></ul><h4><span>Soft Skills</span></h4><ul><li><p>You mentor by example — others look to you for architectural clarity and grounded guidance.</p></li><li><p>You are fluent in English and can contribute effectively to an international team.</p></li><li><p>You can break down complex trade-offs and drive alignment without shutting down alternative views.</p></li><li><p>You are proactive — when you spot tech debt or poor architecture, you don’t wait for someone to ask. You take initiative.</p></li><li><p>You’re reliable and self-aware — you follow through on what you commit to, ask for help when needed, and communicate clearly.</p></li><li><p>You understand that being a senior engineer means not only writing great code, but also helping others grow and succeed.</p></li><li><p>You contribute to a culture of accountability, openness, and growth.</p></li><li><p>You’re comfortable being challenged, and challenging others, while setting aside your own ego.</p></li></ul> <h3>WHY WIRE?</h3> <ul><li><p>Join a market-proven (&gt;1,000 customers) company and drive Wire to become the worldwide market leader.</p></li><li><p>Enjoy a yearly education budget of 1000 EUR to strengthen personal capabilities.</p></li><li><p>With an Urban Sports Club subscription, stay balanced and mentally and physically healthy!</p></li>