Software Engineer Principal

SAIC · Remote Work

About SAIC

Science Applications International Corporation (SAIC) is a premier technology integrator delivering solutions across defense, space, civilian, and intelligence markets. Our Solutions & Technology Group (STG) is at the forefront of developing cutting-edge AI-driven capabilities that empower mission-critical operations.

Position Overview

SAIC's STG is seeking a talented and motivated Principal Level Software Developer to join our growing team focused on the design, development, and deployment of a next-generation Agentic AI Platform. In this role, you will contribute to building intelligent, autonomous agent frameworks and modern web applications that support complex decision-making workflows. You will work across the full development stack — from crafting intuitive front-end user experiences to building robust backend services and cloud infrastructure components. This opportunity can be worked remotely anywhere within the United States for the right candidate.

Responsibilities

Design, develop, and maintain front-end web applications using modern web technologies.
Build and style responsive, ensuring a polished and effective user experience.
Develop and maintain backend REST services and business logic to support platform capabilities and agentic AI workflows.
Contribute to the development of agentic AI components, including integration with frameworks such as LangChain, LangGraph, and LangSmith.
Support development and deployment of cloud-based services and infrastructure on AWS, leveraging tools such as OpenSearch, SageMaker, Lambda, and SQS.
Develop and maintain Infrastructure as Code (IaC) using tools such as 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 of platform components
Maintain documentation for system architecture, APIs, and development processes
Provide feedback and mentoring to junior developers

SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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