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1,239 senior java python developer jobs at 303 companies in Frederick, MD

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Senior Java Developer
Annapolis Junction, Maryland, United States
HybridFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
9+ YOEExpert enterprise Java and Python development experience, Solr/ZooKeeper, Tomcat, Oracle 19c, VMware/Windows, secure coding for government environments, plus large-system upgrade and Solr index migration experience.
Apache Solr, ZooKeeper, Apache Tomcat, Apache Directory Studio, Java, Python, Oracle 19c, SAP Business Intelligence, PrimeFaces, VMware, Windows
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1mo
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UI Java/Python Developer, Mid-Level TS/SCI with Poly REQUIRED
Arlington, Virginia, United States
$101k-$246k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
5+ YOETS/SCI with CI Poly clearance, Bachelor's degree or 5+ years experience, 5–8 years preferred, proficiency in Java or Python, UI design, user research, prototyping, and strong communication skills.
PenPot, Adobe Creative Cloud, Java, Python
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2mo
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Python Developer (Mid-Senior)
Chantilly, Virginia, United States
OnsiteFull Time
JTEC Consulting
JTEC Consulting: Provides IT services to federal clients.
10+ YOE10+ years Python development; FastAPI; AWS; TS/SCI with polygraph; U.S. citizenship; Bachelor's degree or equivalent experience; on-site in Chantilly, VA.
Python, FastAPI, SQLAlchemy, AWS, Kubernetes, Jenkins, GitHub, OpenSearch, Elastic, Airflow, PySpark, Trino, Linux, Docker, Helm, Makefiles, Java, Perl, C, C++, HTML, JavaScript, JSON
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2w
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Senior Python Software Engineer
Laurel, Maryland, United States
$170k-$230k/yr OnsiteFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
14+ YOEActive or rein-statable TS/SCI with Polygraph, U.S. citizenship, ~14 years experience (or BS plus 14 years / or 18 years in lieu of BS), strong Python and ML experience, Linux, Jira/Confluence, and security-cleared government contract experience.
Python, GM Learn, Jira, Confluence, Linux, Java, Scala, Lucene, JEXL, SQL, JSON, Ghostmachine, Jupyter Notebooks, IntelliJ, Eclipse, Git, Gitlab, Stash, Bitbucket, Scikit-learn, AWS, Spark
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1mo
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Senior Full Stack Developer (Python/Java/Angular)
Ashburn, Virginia, United States
$112k-$179k/yr HybridFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
7+ YOEU.S. citizenship and Public Trust eligibility; 7+ years technical experience; strong Python, PostgreSQL, Java Spring Boot, Angular, microservices, and AWS experience; containerized Linux and Git familiarity.
Python, PostgreSQL, Java, Spring Boot, Angular, TypeScript, Angular Material, JavaScript, CSS, HTML, AWS, Git, MySQL, SQL, Kafka, NGRX, NGXS, UML, Linux, microservices architecture, RESTful services
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Sr Java Engineer
Annapolis Junction, Maryland, United States
$140k-$170k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
13+ YOETS clearance or clearable, 13+ years systems/IT experience, enterprise Java and Python expertise, Apache Solr/Zookeeper, Tomcat, Oracle 19c, SAP BI, secure coding and VMware experience.
Java, Python, Apache Solr, Zookeeper, Apache Tomcat, Apache Directory Studio, Oracle 19c, SAP Business Intelligence, VMware, PrimeFaces, Windows
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Java Developer
Reston or Annapolis Junction or Washington
OnsiteFull Time
Integrity Technology Consultants
Integrity Technology Consultants: Provides engineering and management consulting solutions to US national security.
13+ YOETS/SCI with polygraph, 13+ years in systems/IT, expertise in enterprise Java and Python, Apache Solr/Zookeeper, Tomcat, Oracle 19c, SAP BI, VMware, and secure coding for government environments.
Apache Solr, Zookeeper, Apache Tomcat, Apache Directory Studio, Java, Python, Oracle 19c, SAP Business Intelligence, VMware, PrimeFaces
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1mo
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Senior Full Stack Developer (Python/Java/Angular)
Ashburn or United States
$112k-$179k/yr HybridFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
7+ YOEU.S. citizen able to pass Public Trust; 7+ years technical experience in containerized Linux; experience with Python, PostgreSQL, Java Spring Boot, Angular, microservices, and AWS; strong communication and OODD skills.
Python, PostgreSQL, Java Spring Boot, Spring Boot, Angular, Angular Material, TypeScript, JavaScript, CSS, HTML, microservices, AWS, Linux, Git, SQL, MySQL, Kafka, UML, NGRX, NGXS
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Full Stack Developer (Python / Java / Angular / AWS)
United States or Suitland
RemoteFull Time
Ignite IT
Ignite IT: Provides digital transformation and cloud solutions to federal agencies.
7+ YOEU.S. citizen able to obtain CBP Public Trust, Bachelor's or equivalent, 7+ years development experience, expertise with Python, Java, Spring Boot, Angular, AWS, RESTful APIs, microservices, containers, and Git.
Python, Java, Spring Boot, Angular, TypeScript, JavaScript, HTML/CSS, PostgreSQL, AWS, Microservices Architecture, Linux, Git, Angular Material, NGRX, NGXS, Kafka, ETL tools, DevOps and CI/CD pipelines, Automated testing frameworks, UML
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Senior Software Engineer (Java Developer)
Annapolis Junction or Reston or Maryland
$155k-$205k/yr RemoteFull Time
Crown Point Technologies
Crown Point Technologies: Provides data engineering and software development for government and commercial clients.
13+ YOE13+ years software development experience, strong Java and Python skills, experience with Apache Solr/Zookeeper/Tomcat and Oracle 19c, secure development practices, U.S. citizenship and ability to obtain TS/SCI clearance.
Java, Python, Apache Solr, Zookeeper, Apache Tomcat, Oracle 19c, Apache Directory Studio, SAP Business Intelligence, VMware, PrimeFaces
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Lead Java Software Engineer - Developer (Virtual)
Herndon, Virginia, United States
$212k-$286k/yr RemoteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
10+ YOERequires active Top Secret clearance, 10+ years Java/C++/web development experience, Bachelor's degree or equivalent, experience with cloud, software configuration management, and mentoring/leading teams.
Java, C++, Angular, ReactJS, HTML, CSS, python, CI/CD, P6, Windows, Linux
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Lead Java Software Engineer - Developer (Virtual)
Herndon, Virginia, United States
$212k-$286k/yr RemoteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
10+ YOEActive U.S. Top Secret clearance, bachelor’s degree or equivalent,10+ years Java/C++/web development, cloud and software configuration management experience, strong architecture and leadership skills.
Java, ReactJS, python, CI/CD, Angular, React.js, C++, HTML, CSS, Windows, Linux, P6
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1mo
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Financial Model Development Senior (Python Developer)
McLean, Virginia, United States
$130k-$196k/yr OnsiteFull Time
Freddie Mac
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
5+ YOEBachelors in CS/Engineering, 5+ years developing analytic production-quality software; proficient in Python, C++, Java; familiar with AWS EKS and Python web frameworks; experience with Make, Git, shell scripts, gdb, pdb, SQL, RDBMS.
Python, C++, Java, AWS EKS, Flask, Fast API, Django, Make, Git, shell scripts, gdb, pdb, SQL, RDBMS
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1mo
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Full Java Stack Developer
Annapolis Junction, Maryland, United States
$215k-$238k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
14+ YOETS/SCI with polygraph required. Bachelor’s in Computer Science (or 4 yrs SWE experience) plus 14 years SWE experience. Must have Enterprise Java, SOA, microservices, Mongo/MySQL, Python, and Agile/DevOps experience.
Java, Python, Mongo, MySQL, IntelliJ, Eclipse, VS Code, Jira, Confluence, Gitlab, Docker, Kubernetes, NumPy, pandas, ISLANDTRANSPORT, JICD
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1mo
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Software Engineer 2 - Zabbix/Python/Java/CSC/Linux
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
14+ YOEMust hold Top Secret/SCI with favorable Polygraph and be a U.S. citizen; 14 years software engineering experience; Bachelor's degree; experience with Zabbix, Python, Java, CSC, and Linux.
Zabbix, Python, Java, CSC, Linux
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2mo
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Senior Full Stack Java Software Engineer - Clearance Required
Annapolis Junction or Maryland or Texas
$151k-$266k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
20+ YOETS/SCI w/Poly clearance required. Bachelor’s in Computer Science (or equivalent) plus 20 years SWE experience (or +4 years experience in lieu). Must have Java, JavaScript, Python, CI/CD (Jenkins/GitHub/CodePipeline), Jira/Confluence, and AWS/serverless experience.
Java, JavaScript, Python, Jenkins, GitHub, CodePipeline, Jira, Confluence, AWS, API Gateway, Lambda, Secrets Manager, Parameter Store, Step Functions, DynamoDB, Aurora PostgreSQL, PostgreSQL, Angular, Vue
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Software Engineer, Level 1, Java Python AWS Services (AE26071026)
Annapolis Junction, Maryland, United States
$115k-$124k/yr OnsiteFull Time
Advantage Engineering & IT Solutions
Advantage Engineering & IT Solutions: Provides technical engineering and IT services for government agencies.
5+ YOE5 years SWE experience required, active Top Secret/SCI with polygraph, Bachelor’s in CS or equivalent, proficiency with Java/Python and AWS, ability to implement automated tests and prototype cloud solutions.
Java, Python, AWS
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3w
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Principal Java Software Engineer (Onsite)
Richardson or Aurora or Dulles
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOESTEM degree and minimum 8 years relevant experience; active transferable TS/SCI clearance and U.S. citizenship required; experience with Java, large-scale architecture, Agile, and Atlassian tools.
Java, Atlassian, Git, Chef, Ruby, Python, Groovy, SQL, NoSQL, AWS (S3, SQS, SNS), Apache Felix, Apache Velocity, Spring Boot, Spring Integration, Spring Framework, Docker, Kubernetes, Hibernate, Bitbucket, Jenkins, Artifactory
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2mo
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Lead Software Engineer, Back End (Java, Python, AWS)
McLean, Virginia, United States
$197k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor’s degree; 4+ years software engineering; 1+ year cloud (AWS) experience; preferred: Master’s degree, 7+ years in Java/Python/Go/Node, 2+ years cloud (AWS/GCP/Azure), 4+ years OSS, 1+ year people management, 2+ years Agile.
Java, Python, SQL, Node.js, Go, Scala, RDBMS, NoSQL, Docker, Kubernetes, AWS
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2mo
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HP100 Senior Scientific Software Developer
Greenbelt, Maryland, United States
OnsiteFull Time
ADNET Systems
ADNET Systems: Provider of information systems and scientific research services to government agencies.
10+ YOESenior software developer with 10 years of scientific programming; Linux; languages: IDL, HTML, Fortran, C, Java, JavaScript, Python; able to obtain Tier 1 background investigation; US citizenship or permanent residency.
IDL, Fortran, C, Java, JavaScript, Python, HTML, Linux, Git
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