Wire
Senior Software Engineer - Web (f/m/d)
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Who We Are
At Wire, we're on a mission to revolutionize secure collaboration, making privacy the foundation of modern communication. Join us to play an important role in our dynamic team.
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.
GENERAL INFORMATION
- Employment Type: Permanent
- Previous working experience: 10+ years in Frontend or Full-stack development, with significant time in Senior or Tech Lead roles.
- Working hours: 40hrs/week
- Working Location: Berlin Office, Remote within Germany or EU
- Reports to: Engineering Manager - Web
- Desired start date: asap
YOUR CHALLENGE AT WIRE
As a Senior Software Engineer - Web at Wire, you’ll drive technical direction across our React-based apps and our Electron-based desktop client. You’ll collaborate closely with Product, Design, and other Development teams to translate complex requirements into robust technical solutions.
What You Will Do In Details
- Real-time messaging and encrypted media exchange using cutting-edge standards like MLS
- Performance-focused improvements on message processing, rendering, synchronization, and offline-capable workflows across platforms and sessions
- Leading technical initiatives with Senior Engineers, Staff Engineer, and Engineering Manager to improve architecture and developer experience
- Defining and driving technical initiatives that improve app scalability, reliability, and maintainability — including modernizing legacy areas
- Driving architectural decisions and raising the technical bar through well-reasoned RFCs and ADRs, thoughtful code reviews, and a collaborative, communicative mindset
- Supporting and mentoring other engineers — helping them grow, share context, and take on broader ownership
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YOUR PROFILE
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.
Technical Skills
- Expert-level knowledge of React and frontend architecture
- Hands-on experience with Electron, including security constraints (IPC design, preload boundaries, protocol handling, signing/notarization) is a strong plus
- Strong experience diagnosing and fixing performance and memory issues in real-time applications — including large lists, background processing, CPU vs memory trade-offs, and data-processing flows
- Experience working with local client-side databases (e.g., IndexedDB or alternatives), Web Workers, WASM-based libraries, and large in-browser data sets
- Familiarity with secure messaging protocols (e.g., MLS, WebRTC, or E2EE media flows) is a strong plus
- Experience working in modular and multi-package codebases, including monorepos, using tooling like Webpack, npm scripts, and shared frontend infrastructure
- Experience owning or significantly contributing to CI/CD and release pipelines (GitHub Actions, Jenkins)
- Strong testing practices with unit, integration, and e2e test coverage (e.g., Playwright)
Soft Skills
- You are fluent in English and can contribute effectively to an international team.
- You mentor by providing context, not just answers — helping others build judgment, not dependency.
- You can break down complex trade-offs and drive alignment without shutting down alternative views.
- You are proactive — when you spot tech debt or poor architecture, you don’t wait for someone to ask. You take initiative.
- You take ownership of problems you didn’t create — and see them through to resolution.
- You challenge ideas rigorously while remaining respectful — and expect the same from others.
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WHY WIRE?
- Join a market-proven (>1,000 customers) company and drive Wire to become the worldwide market leader.
- Enjoy a yearly education budget of 1000 EUR to strengthen personal capabilities.
- With an Urban Sports Club subscription, stay balanced and mentally and physically healthy!
- Work from a beautiful office in the heart of Berlin or choose a mix of working from anywhere vs. spending selected days together in our office to connect on a personal level
- Enjoy fresh breakfast in the office, daily fruits, snacks, free soft drinks, and the world's best Barista coffee machine.
- Wire is an equal opportunities employer and does not discriminate on the grounds of gender, civil status, family status, sexual orientation, religion, age, disability, or race.
If you are a seasoned engineer with a proven track record of driving technical innovation while delivering on the product roadmap, we encourage you to apply and join our dedicated team at Wire.
CONTACT
Interested in joining us? Apply here. We would love to hear from you!
About Us
We're building a secure, easy-to-use, and feature-rich communication tool with the latest technologies. We don't just create software — we're also impacting national and international committees. Our research and development occur at our Berlin headquarters and other locations in Europe and the USA, where we embrace diversity and adhere to the strictest data protection standards. We see regulations as a foundation supporting our commitment to secure our customer's communication.
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