
Sr. Software Developer
McKesson
Job description
Conceptual Proactive Problem-Solver Strategic Technologically Savvy Visual Thinker <meta data-json="{"ModuleType":13,"ApplyButtonText":"Apply","JobDetailsAlign":0,"JobDetailsDate":0,"JobDetailsJobTypeId":1,"JobDetailsSelectedDate":"2026-10-08T18:33:13.814Z","JobDetailsJobDateFormat":0,"JobDetailsJobLabelId":"Job ID","JobDetailsJobDatePosting":"Date posted","JobDetailsDescriptionFormat":0,"ShowApplyLater":false,"ShowApplyMobile":true,"ShowApplyLaterMobile":false,"ShowApplyLaterWeb":false,"ApplyLaterText":"Apply Later","ApplyLaterAlign":0,"ApplyLaterSubject":"[[JOB_TITLE]] at [[COMPANY_NAME]]","PublishedCandidateCardPageId":null,"ReferrerPageId":null,"ReferrerPageButtonText":"","ShowSavedJobsIcon":false,"IconLabel":"Save for Later","OverrideCandidateCard":false,"ModulePageType":2,"ModulePageName":"AJD - Design 1","DisplayJobDateFormat":"MM/dd/yyyy","JobDetailsSelectedId":"JR0153809","ApplyUrl":"https://mckesson.wd3.myworkdayjobs.com/External_Careers/job/CAN-ON-Mississauga/Sr-Software-Developer_JR0153809/apply","JobDescription":"\u003Cp style=\u0022text-align:left\u0022\u003EMcKesson 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 \u2013 we care.\u003C/p\u003E\u003Cp style=\u0022text-align:inherit\u0022\u003E\u003C/p\u003E\u003Cp style=\u0022text-align:left\u0022\u003EWhat 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 tomorrow\u2019s health today, we want to hear from you.\u003C/p\u003E\u003Cp style=\u0022text-align:inherit\u0022\u003E\u003C/p\u003E\u003Cp style=\u0022text-align:inherit\u0022\u003E\u003C/p\u003E\u003Cp\u003E\u003Cspan style=\u0022color:#000000\u0022\u003EAbout the Role\u003C/span\u003E\u003C/p\u003E\u003Cbr /\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003EMcKesson is seeking a Sr. Software Developer to design, build, and scale modern software solutions that support healthcare technology innovation. In this role, you will help deliver secure, reliable, and scalable applications across cloud-native platforms while contributing to AI-enabled engineering practices, multi-agent systems, LLM applications, and automation across the software development lifecycle.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003EYou will work across engineering, architecture, product, security, and platform teams to develop API-first services, improve system reliability, and modernize application delivery using Azure, Kubernetes, event-driven patterns, DevSecOps, and AI-augmented development practices.\u003C/span\u003E\u003C/p\u003E\u003Cbr /\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003EWhat You\u2019ll Do\u003C/span\u003E\u003C/p\u003E\u003Cbr /\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Design, develop, and maintain scalable full-stack applications using Java, Python, React, REST APIs, API-first architecture, MongoDB, and PostgreSQL.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Build and enhance AI-enabled applications using LLMs, RAG patterns, agentic workflows, and multi-agent system design.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Architect and deliver cloud-native solutions using Microsoft Azure, Kubernetes, containers, microservices, and event-driven systems.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Lead technical design discussions and help define software architecture, engineering standards, and reusable development patterns.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Improve CI/CD pipelines, DevSecOps practices, test automation, monitoring, and platform automation.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Troubleshoot complex production and non-production issues; analyze root causes and recommend long-term solutions.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Partner with cross-functional teams to deliver secure, compliant, reliable, and maintainable software in a regulated enterprise environment.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Mentor engineers through code reviews, technical guidance, and shared best practices.\u003C/span\u003E\u003C/p\u003E\u003Cbr /\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003EBasic Requirements\u003C/span\u003E\u003C/p\u003E\u003Cbr /\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF 7\u002B years of professional software engineering experience, including enterprise-scale application development.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Experience building applications with Java, Python, React, JavaScript/TypeScript, REST APIs, or related full-stack technologies.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Experience designing, developing, and optimizing database solutions using MongoDB, PostgreSQL, relational data models, document databases, query optimization, indexing, and data integration patterns.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Hands-on experience with cloud-native architecture, preferably Azure, Kubernetes, containers, microservices, or serverless patterns.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Hands-on experience with AI-assisted software development or agentic coding tools and practices, including Claude Code, GitHub Copilot, code analysis, automated test generation, documentation support, and developer productivity workflows.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Experience designing or integrating APIs, distributed systems, event-driven services, or enterprise integrations.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Experience with CI/CD pipelines, DevOps or DevSecOps practices, Git-based workflows, automated testing, and release processes.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Experience applying secure coding, software quality, scalability, reliability, and maintainability practices.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u003E\u25CF Experience working in Agile delivery environments with product, architecture, security, and operations partners.\u003C/span\u003E\u003C/p\u003E\u003Cp style=\u0022color:!important\u0022\u003E\u003Cspan style=\u0022color:#000000\u0022\u
Verified and listed by ActiveJobs. Applications are made directly on McKesson's own career page — we never sit in the middle.