Software Developer

At EfficiOS, our main goal is diminishing the amount of time our customers spend identifying, understanding, and solving software faults. EfficiOS is the commercial entity behind the open-source LTTng tracing ecosystem. LTTng is one of the leading tracing tools for Linux. It is used by major open-source projects and companies across multiple industries.

We’re looking for a highly skilled software engineer to join our team. Our ideal candidate will have knowledge of software development on Linux and solid experience in developing and maintaining C/C++ codebases.

Have a look at our projects and let us know if you’d like to contribute!

Objectives of this Role

  • Maintain and implement features across various open-source projects written mainly in C and transitioning to C++. We expect the candidate to primarily contribute to the Babeltrace and LTTng-tools projects in the short-term.
  • Provide support to EfficiOS’s enterprise customers.

Skills and Qualifications

  • 2+ years of experience working in C/C++ codebases
  • Strong understanding of Linux/POSIX concepts
  • Strong debugging ability
  • Be an open-source software enthusiast
  • Proficient in French and English.

Preferred Qualifications

Familiarity with the following technologies: Bash, Python, Jenkins, Autotools.

Familiarity with performance, tracing and monitoring technology and tools such as: DTrace, eBPF, LTTng, perf.


Flexible work day.

Two fixed weeks of vacation for Christmas and New Year.

Two floating weeks of vacation.

Employee insurance paid 100% by the employer (dental, medical, life, long-term disability).

Insurance Coverage: dental (80%), medical, life, long-term disability.

Paid travel to attend/present to relevant conferences such as ELC, FOSDEM, LinuxCon, Linux Plumbers, and Tracing Summit.

Access to the fitness centre located in the same building (M Fitness).

While we offer hybrid work, remote work is a possibility.

Our office is located in the heart of the Plateau-Mont-Royal neighbourhood, easily accessible by public transportation and bike-friendly.

What you will find at the office:

  • An open space working environment
  • A jam space
  • A pool table and foosball table


Contact Us