Lead Software Engineer

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 tomorrow's health today, we want to hear from you. This role offers location flexibility and is open to candidates within one of four locations: Irving, TX, Moon Township, PA, Alpharetta, GA, or Columbus, OH. Candidates based in the Dallas-Fort Worth (DFW) area will be hired in a hybrid capacity and are expected to work onsite at our Las Colinas office a minimum of two (2) days per week, with the remaining days worked remotely. Specific inoffice days may be designated based on team needs and business priorities. About the Role: The candidate will join the McKesson Pharmacy Systems (MPS) R&D organization. The Senior Software Engineer will be focused on driving sound technical design and architectural guidance for the EnterpriseRx platform, a comprehensive pharmacy workflow solution. The candidate will lead complex technical initiatives from design through delivery, applying deep hands-on expertise while mentoring peers and guiding teams through Agile ceremonies such as user story refinement, technical design discussions, and code reviews. The candidate will partner with cross-functional stakeholders including Product, QA, and Operations to drive scalable, high-quality software delivery, serving as a technical authority for resolving complex defects and championing engineering best practices. The candidate will work with technologies including Angular, Spring Boot, SQL, Azure, Docker, and AI-assisted engineering tools. Limited travel may be required for team planning events. Domain Focus - Security, CFM, and Shield This role will focus on remediating security vulnerabilities and supporting microservices related to Central Fill Management and Drug Utilization Reviews. What You'll Do: Provides technical leadership for one or more software engineering teams through the full development lifecycle, defining and refining design requirements with stakeholders, architecting scalable solutions, and ensuring interoperability across services. Applies deep technical expertise to solve complex engineering challenges through diagnostic analysis, operational insight, and product alignment, and codes solutions independently. Serves as technical lead across one or more applications and functional areas, actively participating in technical design and code reviews. Develops and reviews User Stories, and writes and executes unit and integration tests to validate functionality. Remediates defects thoroughly by solving the reported problem, testing to confirm resolution, and leaving the surrounding code in a better state than found. Mentors peers through code reviews, debugging, and refactoring, and establishes standards and best practices for consistency, scalability, and reliability across teams. Identifies and resolves severe security vulnerabilities, contributes to secure-coding and security-by-design strategies, and ensures compliance in a regulated (SOC1/SOC2, PHI) environment. Drives process and productivity improvements in collaboration with cross-functional teams including Product, QA, SREs, Architects, and Project Management, and embeds AI across the SDLC (design, code, test, release, operate).