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SAIC

Principal Software Engineer

SAIC

. Design, develop, and maintain front-end web applications using modern web technologies .

Posted 10/15/2026full-timeRemote • Virginia • United StatesLeadWebsite

Tech Stack

Tools & technologies
AWSCloudJavaJavaScriptNode.jsPackerPythonReactTerraform

About the role

Key responsibilities & impact
  • Design, develop, and maintain front-end web applications using modern web technologies
  • Build and style responsive web applications to provide a polished and effective user experience
  • Develop and maintain backend REST services and business logic supporting platform capabilities and agentic AI workflows
  • Contribute to agentic AI components using frameworks such as LangChain, LangGraph, and LangSmith
  • Support development and deployment of cloud-based services and infrastructure on AWS using OpenSearch, SageMaker, Lambda, and SQS
  • Develop and maintain Infrastructure as Code using Terraform, Packer, and Terragrunt
  • Collaborate with AI/ML engineers, architects, and product owners to translate requirements into scalable, production-ready solutions
  • Support testing, debugging, and performance optimization
  • Maintain documentation for system architecture, APIs, and development processes
  • Provide feedback and mentoring to junior developers

Requirements

What you’ll need
  • Bachelor's degree in Computer Science, Software Engineering, or a related field and 9 years of experience, or a Master's degree and 7 years of experience
  • Pass CompTIA Security+ Examination within 270 days of employment
  • Must be a U.S. Citizen with no dual citizenship
  • Ability to obtain a Secret Security clearance
  • Experience building front-end web applications using HTML, CSS, and JavaScript
  • Experience developing backend services and APIs, including RESTful service design and complex business logic implementation, using Python, Java, or NodeJS
  • Strong problem-solving skills
  • Ability to work effectively in a fast-paced, collaborative agile environment
  • Preferred: ReactJS, LangChain, LangGraph, LangSmith, multi-agent orchestration, autonomous workflow design, LLM integration patterns, AWS, OpenSearch, SageMaker, Lambda, SQS, Terraform, Packer, Terragrunt, and DevSecOps practices

Benefits

Comp & perks
  • Equal Opportunity Employer
  • Remote work opportunity within the United States