Low level Java Software engineer

Type: Full time software engineer Location: Paris, France

Position Summary

Candidate will be responsible for designing and developing our Java Sqreen Agent. Our agents are running into our customers applications. Candidate will face complex technical challenges to keep a minimal impact on performance.

You will be responsible for designing and developing key Sqreen features for client-side security components, as well as backend infrastructure, leveraging deep expertize in the field of software instrumentation and advanced debugging.

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:

  • Implementing our Java agent
  • Investing and evaluating Java internals involved with our technologies
  • Ensuring compatibility with a complex matrix of versions and flavors
  • Evaluating, designing and implementing new key features
  • Producing technical documentation with shipped software components

Qualifications wanted:

  • Strong experience with Java programming and common Java / JEE frameworks
  • Experience with Java build tools (Ant, Maven, Gradle...)
  • Experience in debugging and software instrumentation
  • Knowledge or interest in learning Java internals: compilation, Java byte code instrumentation
  • Ability to design custom protocols, services and frameworks
  • Bachelor's or Master's degree in computer science or computer engineering
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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.