Senior Software Developer B2B Commerce

Role Description

We are seeking a highly skilled and experienced Sr. Specialist Software Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and maintaining our microservices-based B2B 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 Sr. Specialist Software Developer will also play a strategic role in shaping the platform’s technical direction, mentoring team members, and influencing cross-functional collaboration.

Key Responsibilities

• Design and Development:
  • Architect, develop, and maintain scalable and robust microservices using Spring Boot and React to power our B2B ecommerce platform.
  • Lead architectural decisions and contribute to the design of new features and enhancements, ensuring alignment with business objectives and technical standards.
  • Evaluate and integrate generative AI capabilities into platform strategy to improve development workflows and product capabilities.
  • Lead initiatives involving advanced AI frameworks such as the MCP Protocol, Retrieval‑Augmented Generation (RAG), and A2A Protocol, guiding the team in practical implementation.
• Collaboration and Integration:
  • 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.
  • Influence cross-functional teams and drive consensus on technical solutions.
  • Drive AI adoption across engineering teams and define standards for AI-assisted development.
  • Architect and oversee connectivity strategies for LLM agents via APIs, enabling robust multi‑agent collaboration and seamless integration.
• Best Practices and Optimization:
  • Implement and advocate for best practices in software development, including code reviews, testing, and continuous integration.
  • 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 and coach junior and mid-level engineers to foster technical growth and team development.
  • Evaluate and optimize latency, scalability, and cost considerations when integrating AI services into production systems.
• Career Pathing:
  • This role offers a clear path to technical leadership and strategic influence through ownership of architecture, mentoring, and cross-functional impact.
• Impact Statement:
  • Shapes the technical direction of the platform and drives innovation through leadership, deep technical expertise, and strategic collaboration.

Qualifications

• Typically requires 7+ years' experience in software development with a focus on Spring Boot and React.
• Bachelor’s degree in Computer Science, Engineering, or a related field.

Requirements

• Strong hands-on engineering experience with Java, Spring Boot, HTML/CSS/JS, RDBMS, REST, GraphQL, Git.
• Foundational knowledge of 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.
• Aware of performance tuning and optimization techniques.
• Knowledge of security best practices and industry standards.

Preferred Skills

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

Travel Requirement

• 10-15%

Compensation

Our Base Pay Range for this position is $120,000 - $200,000. McKesson offers a competitive compensation package as part of our Total Rewards, determined by several factors including performance, experience and skills, equity, regular job market evaluations, and geographical markets.