Employment Type: Permanent
Previous working experience: 7+ 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
Real-time messaging and encrypted media exchange using cutting-edge standards like MLS
Meetings and conferencing features, including UI for video/audio calls, shared screens, and threaded discussions
Performance-focused improvements on message processing, rendering, synchronization, and offline-capable workflows across platforms and sessions
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
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
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.
Expert-level knowledge of React and frontend architecture; Electron experience is a strong plus for our desktop client stack
Strong grasp of performance optimization, virtualization, and rendering strategies for real-time UIs
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 plus, especially in real-time or privacy-focused applications
Understanding of file management flows — uploads, streaming, previews, and integration with storage systems like S3
Experience working in modular or multi-package codebases, including monorepos, using tooling like Webpack, npm scripts, and shared frontend infrastructure
Familiar with maintaining or improving CI/CD pipelines (GitHub Actions, Jenkins)
Strong testing practices — you care about both unit and e2e test coverage (e.g., Playwright)
You mentor by example — others look to you for architectural clarity and grounded guidance.
You are fluent in English and can contribute effectively to an international team.
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’re reliable and self-aware — you follow through on what you commit to, ask for help when needed, and communicate clearly.
You understand that being a senior engineer means not only writing great code, but also helping others grow and succeed.
You contribute to a culture of accountability, openness, and growth.
You’re comfortable being challenged, and challenging others, while setting aside your own ego.
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.
Have we caught your interest? Apply here or send your questions to [email protected]
We look forward to hearing from you!