Sr. Software Engineer CSMS/OCPP SME (Bentonville, AR)

Unclassified - Bentonville, AR

Full-time - Senior

Bentonville, AR

About the position

The Sr. Software Engineer CSMS/OCPP SME role focuses on the design and development of Charging Station Management Systems (CSMS) for electric vehicle (EV) charging stations. The position requires a senior-level engineer with extensive experience in software development, particularly in Java, Python, or Golang, and a strong understanding of the Open Charge Point Protocol (OCPP). The engineer will work closely with Walmart's engineering teams and product architecture community to build scalable CSMS solutions that align with Walmart's EV strategy.

Responsibilities

• Interact with Walmart engineering teams across geographies to leverage expertise and contribute to the CSMS development.
• Engage with the Product team and architecture community in sharing core capabilities in the CSMS roadmap.
• Build, test, and deploy CSMS solutions at scale and support Walmart's EV strategy.
• Guide team members and mentor them to follow established practices for the delivery of solutions meeting quality and speed.
• Focus on reusability, frameworks, patterns, and configuration tools for faster development and deployment cycles.
• Take initiatives with a proactive approach to resolve technical challenges.
• Help diagnose issues between the CSMS system and EV Charger hardware.

Requirements

• 10+ years of experience in design and development of highly scalable applications.
• 3+ years of experience in design and development of CSMS platforms for EV charging stations.
• In-depth understanding of EV vehicle and charger station working protocols and various guidelines.
• Strong hands-on development skills to prototype technical and innovative solutions.
• Experience implementing Smart charging, Auto-Charge, ISO 15118, V2G/V2X Charging.
• Experience with OCPP certification.
• Good understanding of the performance requirements and benchmarks of various EV systems, and AC and DC charging systems.
• Overall understanding of the hardware, control, and software aspects of EV charging operation.
• Ability to conduct root cause analysis and propose cost-effective solutions using problem-solving techniques.

Nice-to-haves

• OCPP certifications
• Experience with messaging systems like Kafka and RabbitMQ.