Go Developer / integration

Cryptonext Security
Full-time
On-site

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