Specialist Software Developer MMS B2B Commerce

Job Title:

Specialist Software Developer B2B Commerce

We are seeking an experienced Specialist Software Engineer to join our dynamic B2B Commerce team. The ideal candidate will be responsible for designing, developing, and maintaining our microservices‑based ecommerce platform using Spring Boot and React. This role requires a deep understanding of software engineering best practices, excellent problem‑solving abilities, and a passion for leveraging cutting‑edge technologies to drive innovation and efficiency.

The engineer will take ownership of features, contribute to architectural decisions, and mentor junior team members.

• Lead the development and maintenance of scalable and robust microservices using Spring Boot and React.
• Contribute to the architecture and design of new features and enhancements, ensuring alignment with business objectives and technical standards.
• Leverage generative AI and emerging technologies across the full SDLC to optimize, accelerate, and enhance development outcomes.
• Work closely with cross‑functional teams to integrate our platform with ERP systems, data warehouses, and other essential applications.
• Collaborate with product management to refine feature requirements and specifications.
• Implement and advocate for best practices in software development, including code reviews, testing, and continuous integration.
• Support introduction of AI‑based testing frameworks and code review automation.
• Conduct performance tuning and optimization to ensure high availability and scalability of the platform.
• Implement security best practices to protect sensitive data and ensure compliance with industry standards.
• Mentor junior engineers and contribute to team knowledge sharing.

This role offers a clear path to advancement through increasing technical leadership, architectural ownership, and cross‑functional influence.

Delivers impactful solutions aligned with business goals and contributes to the growth and maturity of the engineering team.

• Typically requires 4+ years' experience in software development with a focus on Spring Boot and React.
• Bachelor’s degree in Computer Science, Engineering, or a related field.

• Strong hands‑on engineering experience with Java, Spring Boot, HTML/CSS/JS, RDBMS, REST, Graph
  
  QL, Git.
• Foundational knowledge of HTTP, cookies, sessions, AJAX, and browser behavior.
• Familiarity with Elastic, Redis, React, Docker, Kubernetes, Azure, Python.
• Familiarity with the MCP Protocol and RAG based AI agents.
• Exposure of LLM Agent connectivity via APIs.
• Exposure to Kafka, change data capture, and data replication processes is a plus.
• 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.

• Experience designing and building large‑scale ecommerce applications.
• Experience with B2B ecommerce platforms.

10‑15%

Candidate must be authorized to work in the U.S. now or in the future, without the support from McKesson.

Relocation is NOT budgeted for this position.

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 McKesson's 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, please .

Our Base Pay Range for this position: $100,100 - $166,900

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