Who we are

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.

On a daily basis, you will

• Develop and optimize cryptographic solutions using Go and Python languages.
• Write producer using Kafka API
• Define Software architecture
• Implement secure coding best practices
• Implement Dockerfile and Docker compose file
• Perform cross-compilation for different platforms and architectures, including Linux x86
• Collaborate with the team on code reviews, debugging, and performance optimization.
• Test your own code performing unit testing
• Be owner of your code, making sure that it's bug free, secure and maintainable
• Participate in writing technical documentation when required.

Requirements
The skills you'll need:

• Strong proficiency in Go and Python language.
• Experience with OpenSSL: certificate generation, self signed and PKI
• Docker: compose; file haring; network; env variables etc.
• Knowledge of cryptography basic concepts
• Expertise in secure programming
• Proficiency in software architecture design

Nice-to-have

• C, C++, Java and other programming experiences.
• Understanding of cryptograhy (PKCS#11 etc.)
• Experience in writing technical documentation.

Tools

• Unit Testing frameworks
• Debugging tools
• Static Code Analysis
• Version control

Benefits
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