Join a dynamic telecommunications project as a Freelance Software Engineer, working on a fixed-term, in office contract in Gatineau, Quebec, through Q1 2027. You will play a key role in migrating virtual machines from CentOS 7 to Red Hat Enterprise Linux 9 and upgrading legacy 32-bit C++ subsystems to 64-bit architecture. This position is ideal for an experienced C++ developer with a strong background in Linux environments, system testing, and DevOps tooling, who thrives in high-availability, real-time system settings.

Deliverables

Migrate virtual machines from CentOS 7 to Red Hat Enterprise Linux 9

Upgrade 32-bit C++ subsystems to 64-bit architecture

Support system testing, release management, and security remediation

Update and maintain CI/CD and DevOps tooling (TeamCity, Jenkins, GitHub, Perforce)

Modernize Java-based web configurators

Conduct security testing and implement remediation measures

Collaborate with cross-functional teams to ensure seamless migration and system stability

Requirements

Minimum 5 years of professional C++/C development experience





Advanced proficiency in Linux environments and bash scripting

Strong understanding of networking, virtualization, and security best practices

Experience with high-availability, real-time systems is highly desirable

Familiarity with Python, Java, C#, TeamCity, Perforce, Jenkins, and GitHub is a plus

Background in telephony infrastructure or telecommunications projects is advantageous

Legally entitled to work in Canada and able to work on-site in Gatineau, Quebec

Excellent problem-solving skills and attention to detail

Strong communication and teamwork abilities

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📌 Freelance Software Engineer – Telecom Migration (Quebec City)
🏢 Twine
📍 Quebec City