Senior M365 Software Developer

Senior M365 Software Developer
Location: Remote, anywhere in Canada
Language: Strong written and spoken English communication skills
Salary: $110,000–$130,000 annually, plus bonus and benefits
Employment Type: Permanent, Full-Time

About the Opportunity
Are you a seasoned C#/.NET Developer passionate about AI-powered innovation? We're looking for a Senior M365 Software Developer to join an established enterprise software organization, where you'll build and enhance commercial software solutions while helping transform how development teams work with AI.

This is an exciting opportunity to combine hands-on development with technical leadership. You'll collaborate with talented engineers, product managers, and quality specialists to modernize development practices, introduce AI coding agents, and deliver reliable solutions used by organizations worldwide.

What's In It for You
• Competitive salary of $110,000–$130,000, plus annual bonus opportunities
• Fully remote work anywhere in Canada, with comprehensive benefits and generous paid time off
• Opportunities for professional development, mentorship, and leadership growth
• A collaborative, globally connected team that values innovation, knowledge sharing, and work-life balance
• The opportunity to shape AI-assisted development practices within an established enterprise product

Your Responsibilities
• You'll design, develop, test, and maintain enterprise software using C#/.NET and Microsoft 365 technologies.
• You'll champion AI coding agents and introduce practical, secure agentic development workflows.
• You'll improve code quality, automated testing, debugging, refactoring, and documentation through AI-powered tools.
• You'll mentor developers and establish repeatable AI-assisted engineering best practices.
• You'll lead component-level design and contribute to Agile/SCRUM delivery, code reviews, and continuous integration.
• You'll collaborate across engineering, product, quality assurance, and support teams to deliver customer-focused solutions.

Skills and Qualifications
• 5+ years of professional C#/.NET development experience, with strong object-oriented design and troubleshooting skills.
• Experience developing for Microsoft SharePoint and/or Teams, including Office 365, CSOM, SharePoint Migration API, or Microsoft Graph API.
• Hands-on experience with Claude Code, Claude, GitHub Copilot, Cursor, Windsurf, or similar AI coding agents and agentic workflows.
• Experience across Microsoft technologies such as Active Directory, Entra ID, Exchange, IIS, DNS, OneDrive, Windows Server, and SQL Server.
• Proficiency with Azure DevOps, Jira, Agile/SCRUM, unit testing, mocking, integration testing, code coverage, and CI pipelines.
• Experience mentoring developers, leading technical decisions, and communicating effectively, plus a Computer Science degree or equivalent experience.
• Assets include Windows Forms, Windows networking, Azure VMs, virtualization, enterprise deployments, API security, dependency injection, secure development, JavaScript, TypeScript, and HTML.

Note from the Hiring Manager
"We're looking for someone who loves writing great code but is equally excited about helping others work smarter. If you've already seen what AI coding tools can accomplish and want to help a team take that next step, we'd love to hear from you."

Why Partner with Altis
If you’ve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if you’re a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.

We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals.All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI-assisted tools to help review applications.