Low level C developer

Type: Full time software engineer Location: Paris, France

Position Summary

Candidate will be responsible for designing and developing our PHP agent developed in C.
Our agents are running into our customers applications. Low level PHP mechanisms will be involved.
Candidate will face complex technical challenge to have minimal impact on performance with extreme reliability constraints.

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 products.
The candidate will be a key contributor of the engineering team at Sqreen, delivering the best solutions to protect applications.

Responsibilities & Technical Qualifications

Responsibilities will include:

  • Evaluating PHP internals involved with Sqreen technologies
  • Designing, implementing and optimizing our PHP agent
  • Ensuring compatibility with a complex matrix of versions and flavors
  • Designing and implementing new key features
  • Producing technical documentation with shipped software components

Qualifications wanted:

  • Strong experience with C programming
  • Experience in debugging and software instrumentation
  • Ability to design custom protocols, services and frameworks
  • Experience with PHP programming and common PHP frameworks is a plus
  • Experience with C PHP extension programming is a plus
  • Bachelor's or Master's degree in computer science or computer engineering
Apply Now


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.