Description 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

Qualifications

Required Qualifications - Bachelor's degree in Computer Science, Software Engineering, or a related field and 9 years of experience or a Masters and 7 years of experience - Pass CompTIA Security Plus Examination within 270 Days of Employment - Must be a U.S. Citizen, no-dual citizenship - Candidates must have the ability to get a Secret Security clearance - Experience building front-end web applications using core web technologies: HTML, CSS, and JavaScript - Experience developing backend services and APIs, including RESTful service design and complex business logic implementation, using languages such as Python, Java, or NodeJS - Strong problem-solving skills and ability to work effectively in a fast-paced, collaborative agile environment Preferred Qualifications - Front-End Development: Experience with HTML, CSS, JavaScript, and ReactJS for building modern, component-based web applications. Ability to effectively style and design front-end applications for usability and visual consistency - Backend & AI Development: Python development experience, particularly for backend service development. Hands-on experience with Agentic AI frameworks such as LangChain, LangGraph, and/or LangSmith. Familiarity with multi-agent orchestration, autonomous workflow design, or LLM integration patterns - Cloud & Infrastructure: Experience with AWS cloud services, including one or more of the following: OpenSearch, SageMaker, Lambda, SQS - Experience with Infrastructure as Code (IaC) tools, including: Terraform, Packer, Terragrunt - Familiarity with DevSecOps practices