Senior Software Engineer driving technical direction for secure collaboration platform. Leading React and Electron initiatives to enhance messaging and media security.
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.
Lead technical initiatives with Senior Engineers and the Engineering Manager to improve architecture and developer experience.
Define and drive technical initiatives that improve app scalability, reliability, and maintainability.
Drive architectural decisions and raise the technical bar through well-reasoned RFCs and ADRs, thoughtful code reviews, and a collaborative mindset.
Support and mentor other engineers — helping them grow, share context, and take on broader ownership.
Requirements
10+ years in Frontend or Full-stack development, with significant time in Senior or Tech Lead roles.
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.
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.
Experience owning or contributing to CI/CD and release pipelines (GitHub Actions, Jenkins).
Strong testing practices with unit, integration, and e2e test coverage (e.g., Playwright).
Benefits
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.
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