Senior AI/ML Software Developer – Secret Clearance

Cathexisfederal; Tysons (VA); On-site; USD 148,000 - 200,000; Full time

Benefits offered by this job

Performance Bonuses

Medical Insurance

Dental Insurance

Vision Insurance

401(k) Plan (Traditional and ROTH)

Life Insurance (Basic, Voluntary & AD&

Paid Time Off

11 Federal Holidays

Parental Leave

Commuter Benefits

Short Term & Long Term Disability

Training & Development

Wellness Program

Community Outreach Initiatives

Job summary

CATHEXIS is seeking a Senior AI/ML Software Developer in Tysons with an active Top Secret Clearance to join a team delivering high‑impact AI applications. You will work with engineers to design, develop, and maintain scalable solutions using JavaScript, Python, or Java and contribute to data analytics and audit services.

The ideal candidate has 5+ years of relevant experience, strong OO programming skills, and a track record of building robust software while leveraging modern LLM tools.

Qualifications

• An active Top Secret Clearance or above 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.

Responsibilities

• 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

Skills

Top Secret Clearance

JavaScript

Java

OO Principles

Data structures

Algorithms

LLM tools

Education

Bachelor's degree in computer science or related field

Job description

CATHEXIS is seeking a Senior AI/ML Software Developer in Tysons with an active Top Secret Clearance to join a team delivering high‑impact AI applications. You will work with engineers to design, develop, and maintain scalable solutions using JavaScript, Python, or Java and contribute to data analytics and audit services.

The ideal candidate has 5+ years of relevant experience, strong OO programming skills, and a track record of building robust software while leveraging modern LLM tools.