Senior C++ Developer

Spiria; Outaouais; Hybrid; CAD 95,000 - 120,000; Full time

Job summary

A leading software solutions company in Quebec is seeking a Senior C++ Developer to collaborate on innovative projects. The role involves writing and optimizing C++ code, designing software systems, and integrating AI models. Candidates should have over 8 years of experience in C++ programming, Python skills, and familiarity with Agile methodologies. Offering competitive salary, flexible work arrangements, and a comprehensive benefits package, this position supports a balanced work-life culture with on-site presence in Montreal or client locations.

Benefits

3 weeks vacation per year

5 additional fixed days off during winter holidays

Flexible personal days

Deferred Profit Sharing Plan

Group insurance with broad coverage

Telemedicine services

Paid training and certifications

Reimbursements for health-related expenses

Qualifications

• More than 8 years of experience in C++ development.
• Experience working with Python.
• Knowledge of unit testing.
• Experience with Agile methodologies.

Responsibilities

• Write, modify, optimize, and debug C++ code.
• Design and develop high‑performance software systems in C++.
• Integrate AI models into constrained environments.
• Lead or contribute to R&D initiatives focused on system reliability.

Skills

C++ development

Python

Linux/Unix environments

Agile methodologies

Problem solving

Bilingual (English/French)

Job description

We are looking for a Senior C++ Developer, with the possibility of filling multiple positions, including a Team Lead role, to collaborate on a wide range of innovative projects in partnership with our clients. The successful candidate will work within a multidisciplinary team of talented engineers, developers, designers, and QA analysts, and will contribute to the design and development of cutting‑edge technological solutions.

As a Senior C++ Developer at Spiria, you will be required to:

• Write, modify, optimize, and debug C++ code.
• Design and develop high‑performance software systems in C++.
• Architect and implement core libraries, schedulers, and reusable components for intelligent agents.
• Participate in testing and quality assurance activities according to established strategies.
• Lead or contribute to R&D initiatives focused on system autonomy, decision‑making, and reliability.
• Integrate AI models (SLMs, LLMs, VLMs, policies) into constrained environments and deterministic execution loops.
• Collaborate on various project‑related activities in an Agile context: effort estimation, requirements analysis, prototyping, problem solving, and software component integration and configuration.
• Review code and architecture to ensure compliance with development standards and best practices.
• Collaborate with multidisciplinary local and international teams (autonomy, core, display/visualization).

Keys to your success:

• More than 8 years of experience in C++ development.
• Experience working with Python.
• Expertise in Linux/Unix environments.
• Demonstrated ability to design robust systems and write efficient code.
• Strong adaptability to meet objectives and deadlines.
• Ability to provide technical leadership and mentor less experienced team members.
• Self‑motivated, proactive, and able to collaborate effectively.
• Strong aptitude for solving complex problems.
• Experience with Agile methodologies.
• Knowledge of unit testing.
• Proficiency in English and/or French (spoken and written).*

Nice to have:

• Experience with embedded systems, real‑time systems, or performance‑critical applications.
• Experience with Universal Scene Description (USD), 3D environments, and digital twins.
• Knowledge of agent‑based architectures, schedulers, or behavior trees.
• Knowledge of or experience with AI inference engines (such as ONNX Runtime, TensorRT).
• Familiarity with signal processing: audio, video, image, LiDAR, streaming pipelines, or simulation

Employment details:

• Collaboration with development teams based in the Montreal or Laval offices, depending on the assigned project.
• On‑site presence at the Montreal office or at the client’s location, 2–3 days per week.
• Salary range: $95,000–120,000, based on a 37.5‑hour workweek.

What we offer you:

• Vacation bank of 3 weeks per year.
• 5 additional fixed days off during the winter holidays.
• Flexible personal days to handle life’s ups and downs.
• Deferred Profit Sharing Plan (DPSP) and RRSP with employer contributions.
• Group insurance with broad coverage.
• Telemedicine and Employee Assistance Program via TelusHealth.
• Paid training, certification and association expenses.
• Spiri‑Flex reimbursements yearly for health, ergonomics, and connectivity‑related expenses.

Work Environment

We believe work‑life balance is essential. We make this possible through a flexible work organization and a personalized working style. Whether you’re at the office or in your location of choice, what matters most is the impact of your work, not where you’re doing it from.

About Us

At Spiria, we’re a team of over 150 professionals across Canada. For more than 20 years, we’ve been building custom software solutions driven by a strong commitment to code quality, technological excellence, collaborative creation, and customer satisfaction.

* Bilingualism is essential for this role. The person in this role will need to collaborate with internal and external clients across North America in both French and English for all tasks.

At Spiria, we believe diversity is a major strength. We therefore adhere to the principle of employment equity and encourage applications from women, visible minorities, Indigenous people, persons with disabilities, LGBTQIA2S+ individuals, and other marginalized communities.

AI Notice

Our recruitment tools use AI to assist in the initial screening of applications, but never replace the intuition and expertise of our recruitment teams.