Senior AI/ML Developer - TS/SCI Poly | Data & AI Tooling

Cathexisfederal; Tysons (VA); On-site; Full time

Job description

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.

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

Qualifications

• 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

CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package that reflects the value you bring to our team, is competitive with national average market rates, and promotes your financial security and personal well‑being. The annual salary range for this role is $140,000.00 - $170,000.00. Please note that the salary information provided is a general guideline. CATHEXIS considers various factors in its final offer, including location, qualifications, experience, and skills.

• Performance Bonuses
• Medical Insurance
• Dental Insurance
• Vision Insurance
• 401(k) Plan (Traditional and ROTH)
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off
• 11 Federal Holidays
• Parental Leave
• Commute Benefits
• Short Term & Long Term Disability
• Training & Development
• Wellness Program
• Community Outreach Initiatives

CATHEXIS is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated againston the basis ofdisability EEO IS THE LAW.If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact the Recruiting [e-mail]