Senior Java Backend Engineer — AI-Driven Smart Grid APIs

Nexgrid, LLC; Fredericksburg (VA); On-site; USD 110,000 - 170,000; Full time

Job summary

Nexgrid, LLC is looking for a mid-to-senior Software Developer to architect and build backend systems for AMI and smart grid deployments. You will work on large-scale Java applications that integrate AI/LLM capabilities, mobile platforms, and third-party systems solving complex problems at the intersection of utility infrastructure and modern software innovation.

You will design distributed backend services, integrate AI capabilities, and build scalable REST APIs powering apps and ecosystem

Qualifications

• 5+ years of professional software development experience.
• Experience designing and optimizing relational databases at scale.
• Experience building REST APIs or similar server-side interfaces.
• Solid Git and CI/CD practices.
• Bachelor's degree in CS, Eng, or equivalent experience.

Responsibilities

• Design and architect distributed Java backend services handling large data points.
• Integrate AI and large language models into infrastructure systems.
• Build scalable REST APIs powering mobile apps and thirdParty connections.
• Collaborate with cross-functional teams on smart grid tech.
• Optimize databases for throughput and complex queries.
• Drive architectural decisions and emerging technologies.
• Mentor through code reviews and contribute to best practices.

Skills

Java backend

REST APIs

SQL/DB tuning

CI/CD

AI/ML integration

Education

Bachelor's degree in CS or related field

Tools

Spring Framework

Docker

Kubernetes

AWS

Job description

Nexgrid, LLC is looking for a mid-to-senior Software Developer to architect and build backend systems for AMI and smart grid deployments. You will work on large-scale Java applications that integrate AI/LLM capabilities, mobile platforms, and third-party systems solving complex problems at the intersection of utility infrastructure and modern software innovation.

You will design distributed backend services, integrate AI capabilities, and build scalable REST APIs powering apps and ecosystem