dyedurham

Senior Software Engineer

Montréal, Quebec, Canada

On-site · $125k–$135k (as posted)

First seen by offpeak October 22, 2026

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Senior Software Engineer We are looking for a Senior Software Engineer who will be responsible for developing, maintaining, and enhancing in-house software applications that are critical to business operations and widely used within the industry. The position plays a key role in delivering high-quality software solutions, improving existing systems through modern development practices, and supporting the introduction of innovative products and AI-enabled capabilities. Working closely with technical leads and colleagues, the incumbent contributes to application architecture, code quality, system performance, and the effective use of AI-assisted development tools to improve team productivity and efficiency
Key Responsibilities

Design, develop, test, implement, and maintain software applications using established development methodologies and best practices.
Enhance and extend existing products, systems, and applications to improve functionality, performance, scalability, and user experience.
Develop new software products and features aligned with business requirements and strategic objectives.
Leverage AI-assisted development tools, such as GitHub Copilot, Claude Code, ChatGPT, or similar technologies, to increase development efficiency while maintaining code quality and security standards.
Identify opportunities to incorporate AI and machine learning capabilities into products and solutions where they deliver measurable business value.
Maintain and support in-house systems, applications, codebases, and client integrations.
Prepare, update, and maintain technical documentation relating to software development, system operations, and maintenance activities.
Collaborate effectively with technical leads, developers, and stakeholders to gather requirements and deliver solutions that meet business needs.
Participate in architecture discussions, solution design reviews, peer code reviews, and continuous improvement initiatives.
Promote responsible use of AI-generated code by applying appropriate review, testing, and governance practices.
Partner with other developers to share knowledge, development best practices, and AI-assisted programming techniques.
Continuously evaluate and adopt modern tools, technologies, and development practices to improve team effectiveness and software quality.

Skills, Knowledge & Expertise

Proficiency in ASP.NET / .NET Core MVC application development.
Strong programming skills in C# and/or VB.NET.
Experience with web-related technologies including HTML, XML, CSS, JSON, JavaScript, and jQuery.
Relational database knowledge and experience working with SQL and Oracle databases.
Conceptual understanding and application of SOLID design principles.
Experience using Entity Framework for application and database development.
Knowledge of coding for web services, including REST and SOAP APIs.
Demonstrated proficiency with AI-powered development tools such as GitHub Copilot, Claude Code, ChatGPT, or similar technologies, with a strong interest in keeping current with the evolving AI tooling landscape.
Comfort integrating AI/LLM capabilities into applications through APIs and related technologies is considered a strong asset.
Strong analytical, problem-solving, debugging, and troubleshooting skills.
Excellent communication and collaboration skills, with the ability to work effectively within cross-functional teams.
Commitment to continuous learning, innovation, and adopting modern development practices and technologies.
Relevant post-secondary education, degree, diploma, NVQ, or equivalent qualification in Computer Science, Software Engineering, or a related field.
Bilingual proficiency in English and French.

Job Benefits At Dye & Durham we strive to be visionaries! As a leader in our field, we ensure our employees are ready for the next challenge in their journey with us by offering internal and external training opportunities. We offer competitive salaries and a whole host of benefits including healthcare, pension, company discounts, wellness programs, and paid days off to move house or volunteer for your favourite charity. In line with the amended Employment Standards Act 2000, the salary range for this role is: $125K - $135K, dependent on assessment of skills during the interview process. Dye & Durham does not currently use AI to screen candidates as part of the selection process. This advertisement specifically relates to an existing vacancy.