FullStack Developper

Limelight Health; Paris; Hybride; EUR 40 000 - 60 000; Plein temps

Résumé du poste

A deeptech startup in Paris is seeking a React Developer to design and develop user interfaces for post-quantum cryptography products. The role involves collaborating with Product and Backend teams to ensure smooth user experiences and optimizing interface performance. Candidates must have strong expertise in React and TypeScript, along with experience integrating REST APIs and optimizing frontend performance.

Prestations

Flexible remote work options

Competitive salary

Cutting-edge technological challenges

Qualifications

• Strong expertise in React / Next.js and its ecosystem.
• Excellent knowledge of TypeScript and robust programming principles.
• Experience with modern UI libraries.
• Good grasp of frontend performance optimization and related tools.

Responsabilités

• Design and develop React-based user interfaces.
• Collaborate with Product and Backend teams for user experience.
• Optimize performance and ensure cross-browser compatibility.
• Integrate REST APIs to interact with backend services.

Connaissances

React

TypeScript

REST APIs

Frontend performance optimization

Git

Description du poste

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

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 APIs
• Good 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.

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

1. Initial discussion with our HR team to explore your background and motivations.
2. Technical interview with a developer, including a coding test.
3. Meeting with a manager to ensure alignment with our company culture.
4. 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!