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Tech Stack
Tools & technologiesElectronJenkinsReact
About the role
Key responsibilities & impact- 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
What you’ll need- 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
Comp & perks- 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.
ATS Keywords
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Hard Skills & Tools
ReactElectronreal-time messagingperformance optimizationlocal client-side databasesWeb WorkersWASMCI/CDunit testingintegration testing
Soft Skills
collaborationmentorshipleadershipcommunicationproblem-solvingarchitectural decision-makingcode reviewtechnical directioninitiative drivingdeveloper experience improvement