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 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
.
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!