Senior Software Developer (TS/SCI)

Springfield, VA, US • Posted 1 day ago • Updated 1 day ago

Full Time

On-site

Fitment

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Job Details

Skills

Security Clearance
Streaming
Migration
Artificial Intelligence
Ontologies
Sprint
Writing
User Stories
Interfaces
Computer Science
Computer Engineering
Systems Engineering
Information Technology
Python
Java
Scala
RESTful
Git
System Testing
Continuous Integration
Continuous Delivery
Docker
Microservices
Generative Artificial Intelligence (AI)
Large Language Models (LLMs)
Workflow
Cloud Computing
Amazon Web Services
Kubernetes
Management
Network
DevSecOps
Software Development
Hardening
Collaboration
Normalization
Visualization
Data Structure
Agile
Scrum
Presentations
Status Reports
Leadership
Mentorship

Security Clearance
Streaming
Migration
Artificial Intelligence
Ontologies
Sprint
Writing
User Stories
Interfaces
Computer Science
Computer Engineering
Systems Engineering
Information Technology
Python
Java
Scala
RESTful
Git
System Testing
Continuous Integration
Continuous Delivery
Docker
Microservices
Generative Artificial Intelligence (AI)
Large Language Models (LLMs)
Workflow
Cloud Computing
Amazon Web Services
Kubernetes
Management
Network
DevSecOps
Software Development
Hardening
Collaboration
Normalization
Visualization
Data Structure
Agile
Scrum
Presentations
Status Reports
Leadership
Mentorship

Summary

Job Description

Marathon TS is seeking an experienced and collaborative Senior Software Developer to join our team and support one of our intelligence customers in Springfield, VA. The ideal candidate is a self-starter with strong AI development experience who thrives in a mission-focused environment and enjoys solving complex technical challenges.
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This position requires an active TS/SCI security clearance and offers the opportunity to work on innovative AI solutions supporting critical intelligence missions. The successful candidate will bring strong technical expertise, a collaborative mindset, and the ability to deliver high-quality solutions in a secure government environment.
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Job Summary:
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Designs, develops, evaluates, plans and tests AI features across a few software programs and applications
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Job Duties:
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Integrate multiple data streams into customer system
Complete Cloud platform migrations (between currently existing and available platforms)
Develop AI features for existing Ontology-based software applications
Creates sustainable software applications - work is estimated accurately, branching strategies are efficient, code repos are maintained, etc.
Works as a member of an agile scrum team and participates in regular agile ceremonies applying scrum methodologies - daily stand up, planning, sprint reviews, demos, retrospectives.
Implements requirements from the product backlog
Assists in writing backlog requirements/user stories
Utilizes a modern DevSecOps approach in building software applications
Develop and modify applications, software, services, utilities, interfaces, and IT systems that support systems and analysts.

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Required Skills/Qualifications:
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8+ years of experience
Bachelor\'s Degree in computer science, computer engineering, systems engineering or any related field/major, or 6 additional years of experience in information technology.
Senior-level software development experience designing, developing, and maintaining secure, scalable, and mission-focused applications.
Strong programming experience with Python, Java, and Scala.
Experience developing and integrating RESTful APIs, Git-based workflows, automated unit/integration/system testing, CI/CD pipelines, and modern software delivery practices.
Hands-on experience with Docker/containerization, microservice architectures, Helm, and development container environments.
Experience developing applications using Generative AI technologies, including Retrieval-Augmented Generation (RAG), Large Language Models (LLMs), and LLM-enabled workflows.
Experience designing, deploying, and supporting cloud-native applications using AWS, OpenShift, and Kubernetes.
Experience integrating, transforming, and managing data from multiple sources, organizations, and network environments.
Experience deploying applications into new or complex network environments.
Experience applying DevSecOps practices, including secure software development, code hardening, dependency/package updates, vulnerability remediation, and automated security scanning.
Ability to troubleshoot complex software systems and collaborate across development, infrastructure, security, and mission teams.

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Desired Skills/Qualifications:
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Familiarity with data normalization, transformation, and visualization techniques.
Familiarity with graph-based data models, data relationships, and advanced data structures.
Experience working in Agile/Scrum development environments.
Experience developing and presenting technical metrics, status reports, and project updates to internal leadership and external customers.
Demonstrated ability and willingness to mentor junior developers and contribute to team engineering practices.

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Location: Company Site
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ship Required
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TS/SCI Required

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: orcfeed
Position Id: 24495_29249_0017238ed9f6085c
Posted 1 day ago

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