C Software Engineer

Type: Full time software engineer Location: Paris, France

What is Sqreen

Software is eating the world. But the bad guys are hacking software products every day. We are a team from the Apple internal security team, and we are on a mission to make application security simple for all developers.

Sqreen is a SaaS product that helps developers detect security issues, protect them from attacks, and gives engineering teams the information they need to build better applications.

Position Summary

You will join the team in charge of designing and implementing Sqreen agents. Our technology protects web applications at run-time through dynamic instrumentation. As part of the team, you will be working on our technology protecting our PHP customers' applications. You will face complex challenges to keep a minimal impact on performance without compromise on security.

You will work on server modules performing dynamic instrumentation, application security protection, and run-time monitoring. You will work closely with backend and data science teams to design new features, protocols and protection.

Code will reach production fast using modern development methods and tools. Sqreen platform brings cutting edge technologies to solve complex issues in the simplest form. Candidate will have a high consideration of reliability, low-latency, redundancy, and security.

Our engineers have deep impacts on our products and contribute to protecting millions of applications. The candidate will be a key contributor of the engineering team at Sqreen, delivering the best solutions to protect applications.

Give Sqreen a try now!

Responsibilities & Profile


  • Design and implement key features running within our customers' applications
  • Work with backend and data science teams to enhance data flow, performance and reliability
  • Build, test and release the Sqreen agent
  • Produce technical posts and document the software you ship
  • Attend conferences and meetups to share your work


  • Bachelor's or Master's degree in computer science or computer engineering
  • Strong experience with C programming and C internals
  • Experience with advanced debugging, and build chain
  • Ability to design custom protocols, services and frameworks
  • Experience with Go programming language is a plus
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Sqreeners are security focused people who care about developers


Sqreen relies on a virtuous community, which is why our culture is all about sharing and transparency. Sqreen contributes to the Open Source community. Much of our work is shared in conferences, meetups and articles.

Our work environment is modern, casual, and respectful. Our engineering team is based in Paris. You will join a highly technical and product-driven team and contribute to an extraordinary game changing technology.

You will be proud to be part of it.