Software Engineer Senior

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 in 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 + Education: Bachelor’s degree in Computer Science, Software Engineering, or a related field and 5 years of experience or Masters and 3 Years of experience + Experience: 5-8 years of professional software development experience + Pass CompTIA Security Plus Examination within 270 Days of Employment + Must be a U.S. Citizen, no-dual citizenship + 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 Target salary range: $120,001 - $160,000.

Description About SAIC Science Applications International Corporation (SAIC) is a premier technology integrator delivering solutions across defense, space, civilian, and intelligence markets., The estimate displayed represents the typical salary range for this position based on experience and other factors. REQNUMBER: 2618016 SAIC is a premier technology integrator, solving our nation’s most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion.