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

Background : This will be a long term consultnat 12-24+ months (very well could convert to FTE) and will be coming in to act as the SME (subject matter expert) for the EV team's CSMS development. There will eventually be two junior-mid team members this person will need to hire and help train on all matters.


Terms :


CSMS - "charging station management systems"

OCPP - "Open Charge Point Protocol"

Interviews : 2 Rounds (possible 3rd)


Location : Must sit in or relo to bentonville (hybrid schema) by day 1


Must Have Skills :

• Sr. Level (10+ years of experience) with Java, Python or Golang framework
• 3+ years of experience in design and development CSMS platform for EV Charging stations
• worked on CSMS frameworks support for OCPP 1.6J or 2.0.1.
• understanding of EV vehicle and Charger station working Protocol & Various Guidelines
• Azure Cloud Platform /GCP exposure

Highly desired:

• OCPP certifications
• Messaging systems like Kafka, RabbitMQ

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Job Description:

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We are looking out for strong candidate based out of US who will work as IC (hands-on) and guiding developers in CSMS development.

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What you'll do :

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

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What you'll bring :

• Having 10+ years of experience in design and development of highly scalable applications.
• Having 3+ years of experience in design and development CSMS platform for EV Charging stations.
• In-depth understanding of EV vehicle and Charger station working Protocol & Various Guidelines & standard
• Strong hands on development skills to prototype technical & innovative solutions.
• Have worked on CSMS frameworks support for OCPP 1.6J or 2.0.1.
• 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, & AC and DC Charging system.
• Overall understanding of the hardware, control, and software aspects of EV Charging operation.
• Should be able to conduct root cause analysis & propose cost-effective solutions using a problem-solving technique.

• Working exposure on any of the open sources CSMS frameworks,

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Mandatory Technical Skills :

• Java, Python or Golang framework
• Working experience on CSMS system
• Working experience on implementing OCPP modules for OCPP 1.6J or 2.0.1
• Azure Cloud Platform /GCP
• Security and Vulnerabilities
• Distributed Systems

This is a contract position