McKesson

Senior Software Developer

📍 Location
mississauga, on
⏰ Job Type
Full-time
📅 Posted
May 27, 2026
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Job Description

About the Role We are seeking a

Senior Software Developer

to design, build, and support

mission‑critical enterprise software platforms

used across large‑scale 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 cross‑functionally, 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 You’ll Do:

Design, develop, and maintain
...

Start Your Week Right!

Apply now and make every Monday exciting with McKesson

Apply for this Position