At CryptoNext Security, we are pioneering post-quantum cryptography to ensure tomorrow’s cybersecurity today. As quantum computing threatens current encryption standards, we deliver robust, high-performance cryptographic libraries and industrial solutions that meet the highest security requirements. We work with top-tier institutions and mission-critical partners across Europe and beyond.

What you'll do

• Develop and optimize cryptographic solutions using Go and Python.
• Define and implement robust software architecture.
• Write producers using the Kafka API.
• Implement secure coding best practices throughout the development lifecycle.
• Create and manage Dockerfiles and Docker Compose files.
• Perform cross-compilation for different platforms and architectures, including Linux x86.
• Collaborate with the team on code reviews, debugging, and performance optimization.
• Take ownership of your code by performing unit testing to ensure it is bug-free, secure, and maintainable.
• Participate in writing technical documentation when required.

What you bring

• Strong proficiency in Go and Python.
• Experience with OpenSSL, including certificate generation (self-signed and PKI).
• Proficiency with Docker, including compose, file sharing, networking, and environment variables.
• Solid knowledge of basic cryptographic concepts.
• Expertise in secure programming practices.
• Proficiency in software architecture design.

What’s in it for you at CryptoNext

• The opportunity to apply your engineering expertise in a cutting-edge cybersecurity environment.
• Work on strategic, innovative projects with tangible impact.
• Join a passionate, high-level team at the forefront of post-quantum cybersecurity.
• Office located in central Paris.
• A supportive and intellectually stimulating environment that encourages curiosity and technical excellence.