Who we are
CryptoNext Security is a deeptech startup specializing in post-quantum cryptography. Our solutions help businesses and institutions prepare for a future where quantum computers will challenge traditional data security. We work with leading clients in finance, defense, and telecommunications.
On a daily basis, you will
- Design and develop React-based user interfaces for our post quantum cryptography products.
- Collaborate with Product and Backend teams to ensure a smooth and intuitive user experience.
- Optimize performance and ensure cross-browser and cross-device compatibility .
- Integrate REST APIs to interact with our backend services.
- Participate in code reviews and apply best practices (unit testing, continuous integration, documentation).
- Contribute to frontend architecture improvements by suggesting technological upgrades and refactorings .
- Enable improvement of our products even if outside of your common scope
- Embrace our frontend team work principles : “Done over perfect” / we ship / deliver fast : KISS, DRY (don’t repeat yourself), SOLID
Requirements
The skills you'll need
Strong expertise in React / Next.js and its ecosystem (React Hooks, Context API).Excellent knowledge of TypeScript and robust programming principles.Experience with modern UI libraries (Tailwind, or chadcn / ui).Experience integrating REST APIsGood grasp of frontend performance optimization and related tools (Webpack, Vite, CoreWebVitals).Experience with frontend testing frameworks (Jest, React Testing Library, Cypress).Familiarity with Git, CI / CD pipelines, and DevOps for automated integration and deployment.Bonus skills
gRPC .Knowledge of secure coding practices and application security.Basic understanding of cryptography and cybersecurity .Experience in a startup or deeptech environment .Benefits
The team you'll be joining
You will be part of our R&D team , working closely with backend developers, the product team, and UX / UI designers. You will report to the and collaborate with other departments to build high-performance, user-friendly interfaces tailored to our clients’ needs.
Our recruitment process
Initial discussion with our HR team to explore your background and motivations.Technical interview with a developer, including a coding test.Meeting with a manager to ensure alignment with our company culture.If successful, you’ll receive a final offer! 🚀What’s in it for you at CryptoNext
A stimulating work environment with cutting-edge technological challenges.A fast-growing startup with a team of passionate professionals.Flexible remote work options and an office in Paris .A competitive salary , aligned with our compensation philosophy.A deep dive into the exciting world of post-quantum cryptography and cybersecurity.Ready to join the adventure? 🚀 Apply now!