Senior Software Engineer - Web

Wire

5h • Hybrid

About The Position

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.

Requirements

• 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.
• Think in systems, advocate for your decisions with clarity, and know how to move teams forward — even when the path isn’t obvious.
• Expert-level knowledge of React and frontend architecture.
• 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.
• 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).
• Fluent in English and can contribute effectively to an international team.
• Mentor by providing context, not just answers — helping others build judgment, not dependency.
• Can break down complex trade-offs and drive alignment without shutting down alternative views.
• Proactive — when you spot tech debt or poor architecture, you don’t wait for someone to ask. You take initiative.
• Take ownership of problems you didn’t create — and see them through to resolution.
• Challenge ideas rigorously while remaining respectful — and expect the same from others.

Nice To Haves

• Hands-on experience with Electron, including security constraints (IPC design, preload boundaries, protocol handling, signing/notarization) is a strong plus.
• Familiarity with secure messaging protocols (e.g., MLS, WebRTC, or E2EE media flows) is a strong plus.

Responsibilities

• Drive technical direction across our React-based apps and our Electron-based desktop client.
• Collaborate closely with Product, Design and other Development teams to translate complex requirements into robust technical solutions.
• 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.

Benefits

• Yearly education budget of 1000 EUR
• Urban Sports Club subscription
• 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
• Fresh breakfast in the office, daily fruits, snacks, free soft drinks, and the world's best Barista coffee machine.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed