Senior Software Designer / Concepteur(trice) logiciel senior

EXFO; Quebec; Hybrid; CAD 80,000 - 100,000; Full time

Job summary

A technology company in Quebec is seeking a Senior Software Developer to maintain and evolve their software applications. The role requires strong proficiency in C# and experience in both Windows and Linux environments. Candidates should have a Bachelor’s or Master’s degree and 5-8 years of relevant experience. Responsibilities include supporting team coordination, mentoring developers, and ensuring software quality. This position offers a hybrid work model, allowing for a balance of remote work and on-site presence at the office.

Benefits

Flexible hybrid work model

Opportunity to develop technical leadership

Work within a passionate team

Qualifications

• Minimum of 5–8 years of software development experience in an industrial environment.
• Proficient in French and capable of communicating effectively in technical English.

Responsibilities

• Actively participate in the development and maintenance of software applications.
• Support the tech lead in mentoring developers.
• Contribute to development planning and code review.

Skills

Excellent proficiency of C#

Practical knowledge of Windows and Linux environments

Experience with source control (Git, GitLab)

Ability to design modular software architectures

Education

Bachelor’s or Master’s degree in Software Engineering, Computer Engineering, or related field

Job description

Job Type: Full-time

Workplace type: Hybrid

Offer number: 5285

Main locations: Quebec, Quebec, CA

EXFO develops smarter test, monitoring and analytics solutions for the global communications industry. We are trusted advisers to fixed and mobile network operators, hyper-scalers and leaders in the manufacturing, development and research sector. They count on us to deliver superior visibility and insights into network performance, service reliability and user experience. Building on over 35 years of innovation, EXFO’s unique blend of equipment, software and services enable faster, more confident transformations related to 5G, cloud-native and fiber optic networks.

Since our beginnings in 1985, diversity has been one of EXFO's core values, fostering an inclusive corporate culture. We welcome people with a wide range of skills and experience into a culture that values innovative ideas, teamwork, and a customer- and market-focused approach. We seek the active contribution of everyone, with respect for the individual, the environment and the community. This is how we fulfill our purpose: to ensure the connected world meets the highest expectations, to bring together people, communities and businesses.

As a Senior Software Developer, you will play a key role in maintaining and evolving EXFO’s MDR (Manufacturing, Development and Research) product line.
In addition to contributing to software development, you will have the opportunity to support your team in planning and coordinating work, in close collaboration with the tech lead.

This position represents an excellent opportunity for an experienced developer who wishes to further develop technical leadership and team coordination skills within a collaborative and stimulating environment.

Your Role

More specifically, as a Senior Software Developer, you will be expected to:

• Actively participate in the development, evolution, and maintenance of EXFO’s software applications;
• Support the tech lead in the technical coordination of work and in mentoring developers on the team;
• Contribute to development planning, code review, and the implementation of best practices;
• Propose and implement improvements to enhance software quality, stability, and performance;
• Participate in migrating certain software components from Windows to Linux;
• Collaborate with multidisciplinary teams (QA, hardware, optics, systems) to ensure smooth component integration;
• Document your work and ensure traceability of changes.

What We’re Looking For

Technical Skills

• Excellent proficiency of C# and related development tools;
• Practical knowledge of both Windows and Linux environments (experience in migration or cross-platform development is a major asset);
• Knowledge of LabVIEW (a secondary asset);
• Experience with source control, versioning (Git, GitLab), and development best practices;
• Ability to design, maintain, and evolve robust and modular software architectures.

Desired Qualities

• Strong interest in teamwork and collaboration;
• Excellent communication skills and a willingness to share knowledge;
• Sense of responsibility, rigor, and commitment to quality work;
• Strong analytical and problem-solving skills;
• Interest in developing technical leadership and team coordination skills.

Requirements

• Education: Bachelor’s or Master’s degree in Software Engineering, Computer Engineering, or a related field;
• Experience: Minimum of 5–8 years of relevant software development experience in an industrial environment;
• Languages: Proficient in French and capable of communicating effectively in technical English.

Why Join EXFO?

• Work within an experienced and passionate team in a high-tech environment;
• Contribute to the evolution of strategic products at the core of EXFO’s optical solutions;
• Develop your technical leadership within a multidisciplinary team;
• Enjoy a flexible hybrid work model combining remote work and on‑site presence at the Québec office;
• Join a company where excellence, rigor, and collaborative innovation are at the heart of its engineering culture.

EXFO is an equal opportunity employer

Diversity is an asset that has made EXFO strong since its inception because it enriches us. For more information about diversity and inclusion at EXFO, read ourDEI Statement.

For positions located in Quebec, the language requirement is French. However, in the context where the incumbent evolves in an international work environment and where the activities take place mainly outside Quebec, we favor bilingualism as a linguistic requirement.