Software Engineer Senior

Posted 2 Days Ago
Hiring Remotely in VA, USA
Remote
Senior level
Security
The Role
Develop and maintain full-stack applications for an agentic AI platform, including responsive front ends, REST backend services, AI-agent integrations, AWS cloud infrastructure, and Infrastructure as Code. Collaborate with AI/ML engineers and product owners, support testing and performance optimization, document systems and APIs, and mentor junior developers. The role is remote within the United States and requires eligibility for a Secret clearance and completion of CompTIA Security+ within 270 days.
Summary Generated by Built In

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 Senior 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 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:

  • 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:

  • 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 
About UsSAIC® 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.

Skills Required

  • Bachelor's degree in Computer Science, Software Engineering, or a related field plus 5 years of experience, or a master's degree plus 3 years of experience
  • 5-8 years of professional software development experience
  • Pass the 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 RESTful APIs using Python, Java, or NodeJS
  • Strong problem-solving skills and ability to work in a fast-paced, collaborative agile environment
  • Experience with ReactJS
  • Python backend development experience
  • Experience with LangChain, LangGraph, or LangSmith
  • Familiarity with multi-agent orchestration, autonomous workflows, or LLM integration patterns
  • Experience with AWS services including OpenSearch, SageMaker, Lambda, or SQS
  • Experience with Terraform, Packer, or Terragrunt
  • Familiarity with DevSecOps practices
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The Company
HQ: Stamford, CT
34,000 Employees

What We Do

Spectrum San Diego is a high tech security innovator, specializing in ultra-low-dose X-ray screening systems.

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