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# Senior AI/ML Software Developer - TS/SCI with Poly (req-243)

- **Company:** Cathexis Capital, LLC
- **Location:** Richmond, VA, United States
- **Experience:** Expert
- **Salary:** $140,000.0 - $170,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Big Data, Profiling, Software Quality, Data Structures, Software Debugging, Python (Programming Language), Object-Oriented Software Development, Large Language Models, Information Technology, Data Analytics
- **Published:** May 21, 2026
- **Apply:** https://www.careerjet.com/jobad/us2080a66c847b4fa9ecb4c4a5213f525e

## About the Role

You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together to create a company that supports our shared values and individual goals. Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. We believe success is best when we listen and lead with empathy; model high standards of ethics to provide a rewarding candidate experience; work hard, have fun, and appreciate the strengths we all bring to the team; and empower our employees to create innovative and trusted results.
We are looking for a dynamic Senior AI/ML Software Developer with a TS/SCI with Poly clearance to join our team. The Senior AI/ML Software Developer will work alongside a team of highly skilled engineers in the development of AI applications. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems. We're seeking curious and creative technical staff who are excited about delivering quality solutions., * An active TS/SCI CI Poly or FS Poly clearance is required

 * Bachelor's degree in computer science or related field
 * 5+ years relevant experience
 * Experience with JavaScript, Java, or other object-oriented programming language(s)
 * Hands-on experience and understanding of object-oriented programming, data structures, algorithms, profiling & optimization
 * Passion for developing team-oriented solutions to complex engineering problems
 * Proficient in leveraging modern LLM tools to accelerate development workflows and enhance code quality

## Description

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence., * Collaborate with other developers, staff and leadership to design solutions that solve customer problems

 * Design, develop, and maintain technical solutions
 * Build and improve tools for users to understand and analyze large-scale data
 * Perform debugging, troubleshooting, modifications and testing of software and solutions
 * Develop documentation, and collaborate in the development of technical procedures and user support guides


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