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

CSMS- "Charging Station Management Systems"

OCPP- "Open Charge Point Protocol"

Location:
Must sit in or relocate to Bentonville (hybrid schema) by day 1

Must Have Skills:

• Senior Level (10+ years of experience) with Java, Python, or Golang frameworks
• 3+ years of experience in designing and developing CSMS platforms for EV Charging stations
• Experience with CSMS frameworks supporting OCPP 1.6J or 2.0.1
• Understanding of EV vehicle and Charger station protocols & guidelines

Highly desired:

• OCPP certifications

We are seeking a strong candidate based in the US who will work as an individual contributor (hands-on) and guide developers in CSMS development.

What you'll do:

• Collaborate with Walmart engineering teams across geographies to leverage expertise and contribute to CSMS development
• Engage with Product and architecture teams to share core capabilities in the CSMS roadmap
• Build, test, and deploy CSMS solutions at scale supporting Walmart's EV strategy
• Guide and mentor team members to follow best practices for quality and rapid delivery
• Focus on reusability, frameworks, patterns, and configuration tools for faster development and deployment
• Proactively identify and resolve technical challenges
• Diagnose issues between CSMS systems and EV Charger hardware

What you'll bring:

• 10+ years of experience in designing and developing highly scalable applications
• 3+ years of experience in CSMS platform development for EV charging stations
• Deep understanding of EV vehicle and Charger station protocols, guidelines, and standards
• Strong hands-on skills to prototype innovative solutions
• Experience with CSMS frameworks supporting OCPP 1.6J or 2.0.1
• Experience implementing smart charging, auto-charge, ISO 15118, V2G/V2X charging
• OCPP certification experience
• Good understanding of performance benchmarks for EV systems and charging (AC/DC)
• Knowledge of hardware, control, and software aspects of EV charging
• Ability to conduct root cause analysis and propose cost-effective solutions
• Experience with open-source CSMS frameworks

Mandatory Technical Skills:

• Java, Python, or Golang frameworks
• Experience with CSMS systems
• Experience implementing OCPP modules for 1.6J or 2.0.1
• Knowledge of security and vulnerabilities
• Experience with distributed systems

Good to have:

• Additional certifications or experience related to EV charging

Department:
Preferred Vendors

This is a contract position

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