Senior Software Developer

McKesson is an impact-driven Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights products and services that make quality care more accessible and affordable. Here we focus on the health happiness and well-being of you and those we serve we care.

What you do at McKesson matters. We foster a culture where you can grow make an impact and are empowered to bring new ideas. Together we thrive as we shape the future of health for patients our communities and our people. If you want to be part of tomorrows health today we want to hear from you.

About the Role

We are seeking a Senior Software Developer to design build and support missioncritical enterprise software platforms used across largescale healthcare and pharmacy operations. This role is a senior individual contributor position with significant autonomy technical ownership and responsibility for system reliability scalability and performance.

You will work primarily on backend services APIs and integrations contributing across both modern services and established enterprise applications. Success in this role requires comfort working in complex highly regulated environments collaborating crossfunctionally and making sound technical decisions that consider operational risk and downstream impact.

This is a hybrid role working 2 days per week in Mississauga or Montreal.

What Youll Do:

• Design develop and maintain backend services APIs and enterprise system components using C# technologies
• Work across modern backend services as well as established .NET Framework applications contributing to enhancements remediation and modernization
• Develop secure scalable and maintainable solutions supporting highvolume transactional systems
• Collaborate with Product Owners and stakeholders to clarify requirements and translate business needs into technical solutions
• Participate in system and solution design discussions recommending architectural and reliability improvements
• Write and maintain automated tests (unit integration servicelevel)
• Contribute to CI/CD pipelines Gitbased workflows and deployment automation
• Support production systems including troubleshooting rootcause analysis and stability improvements
• Conduct peer code reviews and contribute to engineering standards and best practices
• Produce clear technical documentation (design notes APIs operational runbooks)
• Act as a technical resource and mentor for lessexperienced developers without formal people management

Basic Requirements:

• Bachelors degree in Computer Science Engineering or a related field OR equivalent combination of education and experience
• 7 years of professional software development experience
• Strong handson experience with C# / .NET Framework
• Experience building and supporting enterprisescale applications
• Proficiency with SQL Server and data access technologies (e.g. Entity Framework Dapper)
• Experience working in large complex organizations (Healthcare Pharma Manufacturing Financial Services)
• Experience working in Agile/Scrum environments

Preferred Skills / Experience:

• Experience with Web API / MVC
• Exposure to .NET Core / .NET 6
• Cloud experience (e.g. Azure or AWS)
• CI/CD tooling and DevOps practices
• Experience with legacy system modernization
• Frontend exposure (React or Angular) to support endtoend collaboration
• Experience working in regulated environments (healthcare financial or other compliancedriven sectors)

We are proud to offer a competitive compensation package at McKesson as part of our Total Rewards. This is determined by several factors including performance experience and skills equity regular job market evaluations and geographical markets. The pay range shown below is aligned with McKessons pay philosophy and pay will always be compliant with any applicable regulations. In addition to base pay other compensation such as an annual bonus or long-term incentive opportunities may be offered. For more information regarding benefits at McKesson pleaseclick here.

Our Base Pay Range for this position

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McKesson job postings are posted on our career site: .

McKesson is an Equal Opportunity Employer

McKesson provides equal employment opportunities to applicants and employees without regard to race color religion sex sexual orientation gender identity national origin protected veteran status disability age genetic information or any other legally protected category. For additional information on McKessons full Equal Employment Opportunity policies visit our Equal Employment Opportunity page.

McKesson is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including job seekers with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment please contact us by sending an email to (United States) or (Canada) . Resumes or CVs submitted to this email box will not be accepted.

Join us at McKesson!