​Quarkslab is a high-end cybersecurity company, highly skilled in vulnerability research and design of security solutions for a tailored level of defense.
QUARKSLAB’S SOFTWARE softwares
Malware are growing faster than one software can analyze: combine all detections together.
Drastically increase attack cost, reduce remediation to almost 0.
Code & Data obfuscation to protect everywhere.
QUARKSLAB’S SERVICES
Defensive security
  • Security developments: crypto, protocols, fuzzers, patch system for outdated programs.
  • Cryptography design.
  • On-demand R&D: anti-root, disassembler, custom probes for IRMA.
Offensive security
  • ​Vulnerability, patch and exploit analysis
  • ​Cryptography and DRM pentesting
  • ​Software assessment
Training
  • Reverse engineering
  • Vulnerability research
  • iOS & Android pentesting
​We provide tailored services for profound technical issues to leverage your data protection.
QUARKSLAB’S corporate DATA
CONFIDENTIALITY
As we work in sensitive environments we do
not disclose our clients’ references.
Realizations
> ​Multiple CVEs reported to Apple, Adobe, Microsoft, Siemens, Samsung, etc.
> ​Regular speakers in international conferences
eg. HITB, Hack.lu, CSW, PacSec, SSTIC.
> ​Capacity to assess software security certified by ANSSI.
> Open assessment of the Chatsecure application.
​full-time employees
​mainly security
researchers and developers.
thesis in progress
PhDs
Careers
We have 2 engineer positions opened: time to move and work in a small but growing start-up based in Paris, France.
Junior Software Developer
Description

Quarkslab Software activities are mainly focusing on building our internal products but from time to time we are doing on-demand development for our customers. Our dev team needs reinforcement and that's why we are looking for a junior software developer.

We are looking for someone with a good culture in development, motivation, high potential and some basic skills. Some knowledge in new languages, compilation, cybersecurity or industrial development is a good bonus.

Your main task will be joining one of our dev team on its current project at first, then you'll have the opportunity to explore other horizons internally (other project, some research, etc.). Our dev teams are skilled, with senior developers to lead the projects and it's a perfect environment to learn and progress quickly.


Main tasks
  • Develop (features, bugfixes, tests, etc.) on one project/product at first
  • Participate in the construction of the perfect dev environment
  • Use your creative mind to solve challenging problems, improve overall products performance, understand complex bugs, etc.
  • Help with the industrialization process (rolling releases, packaging, etc.)

Skills
  • Programming languages:
    • Fluent in Python (2/3)
    • C or C++ is appreciated
    • Bonus: Haskell, Go, Erlang, etc.
  • Development environment:
    • Linux
    • DevOps solutions (Vagrant, Ansible, etc.)
    • Unit tests (Unittest in Python, Gtest in C/C++)
    • Bugtracking, workflows
    • Version control (Git, Mercurial)
  • French speaking highly appreciated
  • Fluent English

Misc
  • Full time job
  • Preferably based in Paris, but remote is possible
  • Don't be afraid to work in a start-up!

Contact: job-dev_AT_quarkslab.com / Subject: "[dev-junior] <First_name> <LAST_NAME>"


Senior Software Developer
Description

Quarkslab Software activities are mainly focusing on building our internal products but from time to time we are doing on-demand development for our customers. Our dev team needs reinforcement and additionnal technical lead and that's why we are looking for a senior software developer.

We are looking for someone with an excellent culture in development, with good motivation, professional experiences (at least 5 years) in industrial or open source projects and some advanced skills. Some knowledge in new languages, compilation or cybersecurity is a good bonus.

Your main task will be joining one of our dev team on its current project at first, then you'll have the opportunity to explore other horizons internally (leading a team, technical consulting across all dev teams, some research, etc.). Our dev teams are skilled but our junior developers would learn even faster if we had more senior developers with strong leadership on technical issues.


Main tasks
  • Develop (features, bugfixes, tests, etc.) on one or several projects/products
  • Participate in the construction of the perfect dev environment across all dev teams
  • Use your creative mind to solve challenging problems, improve overall products performance, understand complex bugs, etc.
  • Help with the industrialization process (rolling releases, packaging, etc.)
  • Technical consulting and leadership

Skills
  • Programming languages:
    • Fluent in Python (2/3)
    • Fluent in C or C++
    • Bonus: Haskell, Go, Erlang, etc.
  • Development environment:
    • Master of Linux
    • Fluent with DevOps solutions (Packer, Vagrant, Ansible, etc.)
    • Master of unit tests (Unittest in Python, Gtest in C/C++)
    • Familiar with bugtracking, workflows, tests environments (Jenkins, etc.)
    • Master with version control systems (Git, Mercurial)
  • French speaking highly appreciated
  • Fluent English

Misc
  • Full time job
  • Preferably based in Paris, but remote is possible
  • Don't be afraid to work in a start-up!

Contact: job-dev_AT_quarkslab.com / Subject: "[dev-senior] <First_name> <LAST_NAME>"