1,768,815open jobs
103,445companies
265,462added this week
Browse all
Salary
$123k – $150k per year
Location
In office (Tysons)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Sep 29, 2026.

Overview
Company
Impact
Profile match
Cathexis is a government technology contractor that provides artificial intelligence, machine learning, data science and software engineering services to United States defense and intelligence agencies. Much of its work requires security clearances, and its engineers build and deploy analytics and AI systems for classified programmes from offices in the Washington area, Redwood City and Huntsville. The company is headquartered in Washington, District of Columbia, United States.

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.

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 AI/ML Software Developer to join our team. The 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

The responsibilities include, but are not limited to:

  • 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.

Requirements

  • An active Secret or above clearance is required.
  • Bachelor’s degree in computer science or related field.
  • 3 to 5 years of 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.

Benefits

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 $123,100.00 - $149,800.00 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
  • Commuter 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 against on the basis of disability 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 Department [email protected].

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,768,815 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
Tysons
$150k – $350k per year • Equity • In office • Full-Time • San Francisco
Python
Databases
Databricks
AI/ML
LangChain
Reinforcement Learning
Function Calling
PyTorch
Perplexity
OpenRouter
Together AI
OpenAI
SFT
Post-training
Tool Use
DevOps
Datadog
Cloudflare
Management
Zapier
Apply
$150k – $350k per year • Equity • In office • Full-Time • San Francisco
Python
Databases
Databricks
AI/ML
LangChain
vLLM
CUDA Toolkit
Function Calling
PyTorch
Perplexity
Mixture of Experts
OpenRouter
Together AI
CUDA
Triton
OpenAI
SFT
Post-training
KV Cache
Tool Use
DevOps
Datadog
Cloudflare
Management
Zapier
Apply
$150k – $350k per year • Equity • In office • Full-Time • San Francisco
Python
Databases
Databricks
AI/ML
LangChain
Function Calling
PyTorch
Perplexity
Mixture of Experts
OpenRouter
Together AI
OpenAI
SFT
Post-training
Tool Use
DevOps
Datadog
Cloudflare
Management
Zapier
Apply
$150k – $350k per year • Equity • In office • Full-Time • San Francisco
Python
Databases
Databricks
AI/ML
LangChain
Function Calling
AI Agents
Perplexity
Synthetic Data
OpenRouter
Together AI
OpenAI
SFT
Post-training
Tool Use
DevOps
Datadog
Cloudflare
Management
Zapier
Apply
$150k – $350k per year • Equity • In office • Full-Time • San Francisco
Python
Databases
Databricks
AI/ML
LangChain
Spark
Function Calling
Perplexity
Ray
Tokenization
Synthetic Data
OpenRouter
Together AI
OpenAI
SFT
Post-training
Tool Use
DevOps
Datadog
Cloudflare
Management
Zapier
Apply
≈ $17k – $40k per year (Estimated) • Remote (EAEU) • Full-Time • 2+ years exp • Moscow
Python
Go
JavaScript
TypeScript
SQL
C#
Python
FastAPI
HTTPX
Databases
PostgreSQL
NATS
ClickHouse
RabbitMQ
Apache Kafka
Frontend
Angular
DevOps
Rest API
gRPC
OpenShift
GitLab CI
CI/CD
Git
Docker
Kubernetes
Cybersecurity
LDAP
PKI
QA
TestRail
Selenium
Playwright
Pytest
Apply
≈ $12k – $27k per year (Estimated) • In office • Saint Petersburg
Python
JavaScript
SQL
Python
FastAPI
Celery
Databases
PostgreSQL
Neo4j
PostGIS
Frontend
OpenLayers
DevOps
Rest API
Git
Docker
Linux
Analytics
ETL/ELT
SpaceTech
GDAL
QGIS
GeoServer
Apply
≈ $43k – $89k per year (Estimated) • In office • Full-Time • 1+ year exp • Singapore
Python
SQL
Management
Microsoft Office
SpaceTech
QGIS
Apply
BI Analyst 8 days ago
≈ $24k – $47k per year (Estimated) • In office • Full-Time • 3+ years exp • Bachelor's Degree • Centurion
Python
SQL
AI/ML
Copilot
Claude
Prompt Engineering
NumPy
Analytics
Power BI
Seaborn
Matplotlib
Looker
Microsoft Excel
Management
Jira
Power Automate
SharePoint
Apply
Data Scientist 8 days ago
≈ $14k – $31k per year (Estimated) • In office • 2+ years exp • Bengaluru
Python
SQL
AI/ML
Machine Learning
Analytics
A/B Testing
Apply
$148k – $179k per year • In office • TS/SCI • Full-Time • Bachelor's Degree • Tysons
Python
JavaScript
AI/ML
LLM
Apply
$148k – $179k per year • In office • Top Secret • Full-Time • Bachelor's Degree • Tysons
Python
JavaScript
AI/ML
LLM
Apply
$120k – $150k per year • In office • Secret • Full-Time • Tysons
Python
AI/ML
Reinforcement Learning
Computer Vision
LLM
Machine Learning
DevOps
GCP
Azure
AWS
Management
Agile
Apply
$137k – $167k per year • In office • Secret • Full-Time • Bachelor's Degree • Redwood City
Python
JavaScript
AI/ML
LLM
Apply
$125k – $150k per year • In office • Full-Time • Bachelor's Degree • Redwood City
Python
AI/ML
Reinforcement Learning
Computer Vision
Machine Learning
DevOps
GCP
Azure
AWS
Management
Agile
Apply
$120k – $190k per year • In office • TS/SCI • Full-Time • Bachelor's Degree • Tysons
Python
JavaScript
Ruby
C++
Databases
PostgreSQL
AI/ML
Reinforcement Learning
Computer Vision
Frontend
Yarn
DevOps
Terraform
Ansible
GCP
Helm
CloudFormation
Azure
Jenkins
AWS
Docker
Kubernetes
Amazon S3
Linux
Management
Agile
Scrum
Apply
$40k – $65k per year • In office • 3+ years exp • Tysons
Apply
$113k – $188k per year • Remote (United States) • Full-Time • 3+ years exp • Bachelor's Degree • Tysons
Python
SQL
Databases
Databricks
Delta Lake
DevOps
GCP
Azure
AWS
Analytics
Tableau
Power BI
Apply
$130k – $216k per year • In office • Public Trust • Full-Time • 5+ years exp • Bachelor's Degree • Tysons
SQL
Management
ServiceNow
Apply
$130k – $216k per year • Remote (United States) • Full-Time • 5+ years exp • Bachelor's Degree • Tysons
Python
SQL
Databases
Databricks
AI/ML
Spark
MLFlow
Agentic Workflows
Machine Learning
DevOps
Terraform
GCP
Azure
CI/CD
Git
AWS
Platform Engineering
Apply
See all jobs
This is one of many
1,768,815 more open roles from verified company boards, updated every day.