3074 Staff Software Engineer jobs in Poolesville,MD

Lead AI Engineer

Capital One

Mc Lean, VA 22101

Netflix

Dickerson, MD 20842

L3Harris Technologies

Chantilly, VA 20151

Bachelor's degree in software engineering, Computer Science, Computer Engineering, or related STEM field and six years' experience; or equivalent combination of education and experience.
Experience with Java, preferably Java 11 or newer.
Experience writing unit tests, preferably JUnit and Mockito.
Experience with SQL, preferably PostgreSQL.
Experience with Linux.
Experience with Java build tools, preferably Maven.
Experience with GIT.
Experience with Java IDEs, preferably Netbeans.
Experience with collaboration software like Bitbucket or Gitlab.
Must be able to collaboratively work in a pull-request environment.
Experience with continuous integration (CI) software like Jenkins.
Active Top Secret Clearance with SCI or SCI eligibility

Guidehouse Careers

McLean, VA 22101

Ace Hardware

Centreville, VA 20120

US Navy

Gaithersburg, MD 20878

Amazon

Herndon, VA 20171

Apex Focus Group

Silver Spring, MD 20906

Vantor

Reston, VA 20190

Current/active TS/SCI security clearance and be willing and able to obtain CI polygraph.
5 years of professional experience in data science, analytics, or data engineering roles.
Bachelor's degree in data science, computer science, engineering, statistics, GIS, or related discipline. Degree may be substituted with an additional 2 yrs of experience.
Strong coding proficiency in Python and SQL, with experience writing production-quality, maintainable code; working knowledge of R is a plus.
Hands-on experience with data manipulation, feature engineering, machine learning libraries (e.g., scikit-learn, PyTorch, TensorFlow), and automation tools.
Experience contributing to full-cycle data projects, including data preparation, modeling, validation, and reporting.
Ability to clearly communicate technical concepts and analytical results in writing and verbally.
Familiarity with NLP and LLM concepts, including practical experience applying pre-trained models (e.g., GPT-style models) for automation, summarization, or search.
Ability to work effectively in a collaborative environment, taking direction and feedback while owning assigned technical tasks.
This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.
To be eligible for thisposition, you must be a U.S. Citizen.
Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).