McKesson is seeking a Sr. Associate Software Engineer to join our B2B Commerce team. In this role, you will help deliver high-quality features and learn best practices for designing, developing, and maintaining our microservices-based ecommerce platform using Java Spring Boot and React. This position is ideal for someone early in their career who is eager to grow through hands-on experience and mentorship.

What You'll Do

Work under the guidance of senior engineers to develop and maintain scalable microservices using Spring Boot and React.
Contribute to the architecture and design of new features and enhancements.
Apply AI-assisted coding tools like GitHub Copilot for code generation, documentation, and unit testing.
Collaborate with cross-functional teams to integrate the platform with ERP systems, data warehouses, and other applications.
Partner with product management to refine feature requirements and specifications.
Participate in code reviews and team learning sessions to build technical proficiency.
Implement software development best practices including testing and continuous integration.
Conduct basic performance tuning and optimization to support platform scalability.
Apply security best practices to protect sensitive data and ensure compliance.
Use Microsoft Copilot to boost coding productivity while ensuring outputs meet project standards.

What We're Looking For

Typically requires 2+ - 5 years of experience in Java-based full stack development with a focus on Spring Boot and React.
Bachelor's degree in Computer Science, Engineering, or a related field.
Strong hands-on experience with Java, Spring Boot, HTML/CSS/JS, RDBMS, REST, GraphQL, and Git.
Foundational knowledge of HTTP, cookies, sessions, AJAX, and browser behavior.
Familiarity with Elastic, Redis, React, Docker, Kubernetes, Azure, and Python.
Familiarity with the MCP Protocol and RAG-based AI agents.
Exposure to LLM Agent connectivity via APIs.
Understanding of microservices-based architectures.
Basic familiarity with CI/CD pipelines.
Awareness of performance tuning and optimization techniques.
Knowledge of security best practices and industry standards.
Candidate must be authorized to work in the U.S, now or in the future, without support from McKesson.

Nice to Have

Exposure to Kafka, change data capture, and data replication processes.
Experience designing and building large-scale ecommerce applications.
Experience with B2B ecommerce platforms.

Technical Stack

Java, Spring Boot, React, HTML/CSS/JS, RDBMS, REST, GraphQL, Git, Elastic, Redis, Docker, Kubernetes, Azure, Python, Kafka

Benefits & Compensation

Compensation range: $38.22 - $63.70 per hour.
A culture where you can grow, make an impact, and bring new ideas.
A focus on the health, happiness, and well-being of you and those we serve.

McKesson provides equal employment opportunities to applicants and employees and is committed to a diverse and inclusive environment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age or genetic information.