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Java Python Developer Jobs in Charles Town, WV, US

830+ java python developer jobs from 180+ companies hiring in Charles Town, WV, US.

832 jobs- Charles Town • 50 miles
1mo
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Application Developer
Chantilly, Virginia, United States
OnsiteFull Time
J5 Consulting
J5 Consulting: Provides specialized cybersecurity and technical services to government and commercial clients.
2+ YOEExperience building secure Java web apps (Spring), Python, React; SQL/NoSQL; AWS; REST APIs; CI/CD; Git; DevOps; Elasticsearch/MongoDB; NiFi; ETL; MapReduce; HBase.
Java, Spring, Spring Boot, Spring Security, Python, JavaScript, TypeScript, React, PostgreSQL, MySQL, PL/SQL, AWS, Jenkins, Git, Elasticsearch, MongoDB, NiFi, ETL, MapReduce, HBase
1w
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NLM Software Engineer I
Bethesda, Maryland, United States
$70k-$95k/yr OnsiteFull Time
Lexical Intelligence
Lexical Intelligence: Develops NLP software for biomedical research and portfolio analysis.
2+ YOE2+ years software development experience; BS/degree in CS/SE; proficiency in Python/Java/JavaScript/C++/R/SQL; SDLC and secure coding; web app development; Git; strong communication; US work authorization with Public Trust clearance.
Python, Java, JavaScript, C++, R, SQL, Matlab, SAS, ETL, MySQL, MongoDB, Jupyter Notebooks, Git, GitHub, GitLab, Linux, Docker, Kubernetes, REST, AWS, Google Cloud, Azure, CI/CD, US-CERT, OWASP
1w
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GIS Developer Analyst (Key Personnel)
Washington or Albuquerque or Germantown or Denver
HybridFull Time
Data Systems Analysts
Data Systems Analysts: Provides IT and cybersecurity solutions for government agencies.
3+ YOEBachelor's degree in GIS/Geography/CS or related field; 3–5 years GIS development; Python/JavaScript/C#/Java; geospatial analysis; DOE Q clearance; emergency management experience preferred.
ArcGIS Pro, ArcGIS Online, Experience Builder, Survey123, Python, JavaScript, ArcPy, ArcGIS SDKs, C#, Java
1mo
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C++ Software Developer. Full, PartTime, Flex Options.
McLean, Virginia, United States
$25-$65/hr HybridMultiple Commitments Available
USG SaaS
USG SaaS: Develops custom software and cloud systems for government organizations.
2+ YOE2+ years C++ software development; BS in CS/IS; C++ cert preferred; proficient in C++, Java, Python; SQL/JavaScript/XML; strong problem solving and collaboration.
C++, Java, Python, SQL, JavaScript, XML
2w
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Data Engineer
Carlsbad or Germantown or Englewood or Tempe
$141k-$222k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
5+ YOE5+ years software development with Java/Scala/Python/C/C++, SQL DBMS, Linux, Docker, Git/CI/CD; cloud familiarity (AWS/GCP/Azure); strong analytical skills; BS in a related field; US citizenship required; travel up to 10%
Java, Scala, Python, C, C++, PostgreSQL, MySQL, Oracle, Linux, Docker, Git, CI/CD, AWS, GCP, Azure, Kafka, Spark
3w
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Associate Software Engineer
Reston, Virginia, United States
OnsiteFull Time
Metron
Metron: Develops scientific software and mathematical models for national security.
Bachelor’s degree in computer science, mathematics, physics, or related field; proficiency in Java, TypeScript, Python, or C++; strong OO programming; full-stack web development experience; US citizenship with eligibility for security clearance.
Java, TypeScript, Python, C++, MongoDB, RabbitMQ, Spring Boot, React, Redux, WebGL, OpenGL
1mo
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Full Stack Software Engineer, Developer (Experienced or Senior)
Chantilly or Seal Beach
$135k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures commercial aircraft, defense systems, and satellites.
5+ YOE5+ years in Java/C++/Python OO programming; strong CS foundation; active Top-Secret/SCI eligibility
Java, C++, Python, JavaScript, Jenkins, GitLab CI, Maven, Gradle, SQL, NoSQL, WebLogic, JMS, REST/Open API
3w
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Financial Model Developer, Professional
McLean, Virginia, United States
$109k-$163k/yr OnsiteFull Time
Freddie Mac
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
2+ YOEBachelor's in CS/IS or equivalent; 2+ years production software; C++/Python/Java; strong quantitative skills; automated testing experience.
C++, Python, Java, Automated testing
2w
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Junior Software Developer
Springfield or Merrifield
$79k-$170k/yr HybridFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
6+ YOEBachelor's plus 2 years or Associate's plus 4 years or 6+ years in related field; AWS, GitLab, API design, Java/Python/JavaScript experience; TS/SCI with Poly clearance.
AWS, GitLab, Java, Python, JavaScript, CDK, Solr, Jira, Confluence
1mo
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Software Engineer - CTJ - Poly
Reston or Redmond or Annapolis Junction
$101k-$199k/yr OnsiteFull Time
Microsoft
Microsoft: Provides software, cloud computing, and hardware technology products.
2+ YOEBachelor's degree in CS or related field and 2+ years coding in C/C++/C#/Java/JavaScript/Python or equivalent.
C, C++, C#, Java, JavaScript, Python, GenAI, Azure
3w
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Software Engineer
Reston, Virginia, United States
OnsiteContract
Global C2 Integration Technologies
Global C2 Integration Technologies: Provides AI and engineering solutions for defense missions.
Active TS/SCI clearance; Bachelor's in engineering or related field or equivalent; experience with Java, Python, Node.js, JavaScript, HTML; client/server architectures; data transport concepts.
Java, Python, Node.js, JavaScript, HTML, Atlassian Jira, Confluence, CI/CD
4w
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Senior Software Engineer (Big Data)
McLean, Virginia, United States
OnsiteFull Time
KDA Consulting
KDA Consulting: Provides IT engineering and cloud services for intelligence missions.
TS/SCI clearance, BS in CS/Engineering or related field, full stack development, big data tech (Hadoop/Spark/Kafka), Java/Python/C#, APIs/microservices, problem solving.
Hadoop, Apache Spark, Kafka, Java, Python, C#, REST APIs, Microservices, Front-end frameworks, Cloud (AWS)
1mo
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Senior Full Stack Developer TS/SCI (or eligible)
Reston, Virginia, United States
OnsiteFull Time
Vibrint
Vibrint: Provides mission-critical systems and data analysis for national security.
5+ YOE5+ years full stack development; React/Angular/Vue; Node.js/Java/Python; RESTful APIs; databases; cloud; Git/CI/CD; TS/SCI eligibility.
React, Angular, Vue, Node.js, Java, Python, RESTful APIs, PostgreSQL, MySQL, MongoDB, AWS, Azure, GCP, Git, CI/CD, Docker, Kubernetes, GraphQL
1mo
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Real-Time Systems Software Engineer (RR1033)
Manassas, Virginia, United States
OnsiteFull Time
HART Technologies
HART Technologies: Designs and manufactures electronic systems and software for defense applications.
4+ YOEBS in CS/CE/EE; 4+ yrs software development in a team; proficient in C/C++, Java, Python; experience Windows and Linux (RHEL).
C/C++, Java, Python, Windows, Linux
1mo
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Intermediate Developer Specialist
McLean, Virginia, United States
OnsiteFull Time
Guidehouse
Guidehouse: Provides management and technology consulting services to diverse organizations.
3+ YOEActive TS/SCI clearance with poly, Bachelor's in a technical field, 3+ years full-stack web dev, AWS, APIs, Python/Java, strong documentation, Microsoft technologies
AWS, Python, Java, APIs, Microsoft Technologies
5d
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DevOps Engineer
McLean, Virginia, United States
OnsiteFull Time
V2X
V2XNYSE: VVX: Integrated mission lifecycle support for global defense operations.
Active TS/SCI with Poly clearance; AWS/cloud experience; CI/CD; Python/Java/Scala; Docker; Elasticsearch/Spark/Nifi; Terraform/Ansible/Jenkins; REST APIs.
AWS CloudFormation, EC2, S3, RDS, Ansible, Git, Jenkins, Bash, Python, Java, Scala, Docker, Elasticsearch, Spark, NiFi, REST APIs, AWS CDK, Terraform, Packer
2mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization for defense and national security.
Active TS/SCI with poly; Bachelor’s degree or equivalent; strong Java, Big Data, API, and cloud-native AWS experience; graph databases; Kubernetes/Docker; DevSecOps; Linux; Python.
Java, AWS, Kubernetes, Docker, PySpark, Apache NiFi, Gremlin, JanusGraph, Cassandra, DynamoDB, PostgreSQL, MariaDB, MongoDB, Linux, Python
1d
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Mid-Level Software Engineer
Fairfax or Lexington
$90k-$180k/yr OnsiteFull Time
Riverside Research
Riverside Research: Independent non-profit performing scientific research for national security.
8+ YOESecret clearance; 8-10 years software Eng; ML/AI with Python/Java/C++; ML libraries; cloud; Agile; Git.
Python, Java, C++, TensorFlow, PyTorch, Scikit-learn, Git, AWS, Azure
1mo
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Full-Stack Developer
Reston or Chantilly
OnsiteFull Time
Dark Wolf Solutions
Dark Wolf Solutions: Provides cybersecurity and software development services to defense agencies.
5+ YOEFive years of experience in multiple modern programming languages and data stores; full-stack development; Java; JavaScript/Node.js; Elasticsearch; Vue.js; AWS or cloud experience.
Java, JavaScript, Node.js, Elasticsearch, Vue.js, AWS, Kubernetes, Docker, Gitlab CI/CD, Python
5d
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Software Engineer
Reston, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
3+ YOEStrong engineering background; 3+ years with Java, Python, C++, Rust, Go, JavaScript; data processing experience; navigate complex systems; travel up to 25%; eligible for U.S. Secret clearance.
Java, Python, C++, Rust, Go, JavaScript
2w
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Senior Software Engineer
Chantilly, Virginia, United States
$170k-$205k/yr OnsiteFull Time
Markon
Markon: Delivers management and technical consulting services to federal agencies.
13+ YOETS/SCI with Full Scope Poly, BS with 13+ years, AWS, Git/Jenkins/Rundeck, Python/Java/Node.js, REST APIs.
Python, Java, Node.js, Elasticsearch, AWS, Git, Jenkins, Rundeck, CloudFormation, REST APIs, PM2
1mo
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Junior Cloud Developer
McLean, Virginia, United States
OnsiteFull Time
Prescient Edge
Prescient Edge: Provides intelligence, security, and defense support services.
Pursuing or completed degree in CS/IT with focus on cloud; US citizen; cloud platform knowledge (AWS/Azure/Google Cloud); programming in Python/JavaScript/Java; familiarity with Docker/Kubernetes; CI/CD and automation scripting.
Docker, Kubernetes, AWS, Azure, Google Cloud, Python, JavaScript, Java, SQL, NoSQL, MySQL, PostgreSQL, MongoDB, CI/CD, Infrastructure as Code, Serverless, VPC, Networking, Cloud Security
2w
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Cyber Software Engineer
Chantilly, Virginia, United States
$101k-$151k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOETS/SCI clearance; 2+ years in STEM; programming in C/C++, Java, and/or Python; Linux/Windows; Docker/Kubernetes; Agile; SDLC knowledge.
C/C++, Java, Python, Linux, Windows, Docker, Kubernetes, Agile, JSON, GitHub, Jira, Scripting
2mo
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Software Integration Engineer
Arlington, Virginia, United States
$110k-$135k/yr OnsiteFull Time
Forterra
Forterra: Develops autonomous vehicle systems for defense and industrial sectors.
B.S. in CS/engineering/robotics or related experience; strong programming skills in C++, Python, Java; experience integrating software on hardware; CS fundamentals.
C++, Python, Java, ROS2, Real-time OS
1w
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Software Developer (Active TS/SCI Required)
Tysons/McLean/Chantilly, Virginia, United States
OnsiteFull Time
MissionOvo
MissionOvo: Provides technology and engineering services for national security missions.
Active TS/SCI clearance required; Bachelor’s in CS/Engineering; Python/Java/C++/JavaScript; Git; cloud experience preferred; strong fundamentals in data structures and algorithms.
Python, Java, C++, JavaScript, Git, AWS, Azure, GCP
2mo
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Full Stack Developer
Bethesda, Maryland, United States
$60k-$180k/yr HybridFull Time
M9 Solutions
M9 Solutions: Provides IT modernization and digital transformation services to federal agencies.
Active TS/SCI clearance; Bachelor's in a relevant field; cloud architectures (AWS GovCloud/C2S); experience with Java/Spring, Python; MongoDB, PostgreSQL, SQL; REST/SOAP; Git/Jenkins; Linux/Unix; Agile; Jira/Confluence.
AWS, GovCloud, Java, JavaScript, Angular, TypeScript, Node.js, MongoDB, SQL, XML, Java/Spring, Python, DynamoDB, PostgreSQL, S3, Redshift, Redis, Elasticsearch, jQuery, ASP.NET, NoSQL, PL/SQL, LDAP, REST, SOAP, Git, Jenkins, SonarQube, Maven, Ansible, Chef, Linux, Jira, Confluence, Docker, Kubernetes, Kafka, AWS Lambda, NiFi, Mocha/Chai, JUnit, NUnit, TestNG, Groovy, Shell Script
1mo
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Full Stack Developer
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
5+ YOE5–7+ years in full stack development; proficient in Java/C#/C++; modern JavaScript (React); REST APIs; databases (SQL, MongoDB); cloud (AWS/Azure); DevOps; Agile/Scrum.
Java, C#, C++, React, HTML, CSS, SQL, MongoDB, Elasticsearch, Python, R, AWS, Azure, REST, API, IaC, DevOps, Terraform, Docker, Kubernetes
6d
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Senior Software Engineer - APIs
Ashburn, Virginia, United States
$120k-$145k/yr RemoteFull Time
Unacast
Unacast: Provides human mobility analytics and global location intelligence solutions.
5+ YOE5+ years Java 8+ with Spring; AWS; SQL; Snowflake; Scala/Python; web services; GA/DG experience; English fluency.
Java, Spring Framework, AWS, SQL, Snowflake, Scala, Python, JSON, GeoJSON, Git, Unit testing, Docker, Kubernetes
1mo
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Full Stack Developer
McLean, Virginia, United States
OnsiteFull Time
Steampunk
Steampunk: Design-led federal technology consulting and innovation services firm.
3+ YOE3+ years in programming with Java, Ruby, React, C/C++, .NET or Python; CI/CD; Git; cloud (AWS/Azure/GCP); Docker/Kubernetes; automated testing; NIH experience; willing to obtain US government security clearance.
Java, Ruby, React, C++, C, NET, Python, Git, Jenkins, GitLab, GitHub, CircleCI, TravisCI, Docker, Kubernetes, AWS, Azure, GCP, Automated Testing
1mo
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Cleared AI/ML Software Engineer - Expert
Fairfax, Virginia, United States
$180k-$240k/yr OnsiteFull Time
Sunfire Solutions
Sunfire Solutions: Provides software engineering and architecture for government and commercial clients.
10+ YOE10+ years software development, 5+ years AI/ML, TS/SCI with poly clearance, strong Python/Java/JS/C/C++, AWS, ML frameworks.
Python, Java, JavaScript, C++, Rust, PyTorch, TensorFlow, Scikit-learn, SQL, NoSQL, REST, GraphQL, Linux, AWS
2mo
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Senior Software Engineer
Chantilly, Virginia, United States
$146k-$234k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
12+ YOEActive TS/SCI with poly; 12+ yrs software dev with BS/BA or 10+ yrs with MS/MA; 4+ yrs Java/Python; Linux; AWS; Agile.
Java, Python, Linux, AWS, S3, EC2, NiFi, Git, Jenkins, Puppet, Chef, Ansible, Terraform, SQS, Kafka
1w
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Full Stack Software Engineer – McLean, VA (Hybrid/Remote) – TS/SCI with Polygraph Required
McLean, Virginia, United States
HybridFull Time
Synertex
Synertex: Provider of intelligence support and IT services for government.
5+ YOE5+ years software development, 3+ years on classified IC programs; strong Python/JS/TS; React frontend; backend with Python/Golang/Java; ELK; CI/CD; Docker.
React, TypeScript, Python, Golang, Java, FastAPI, Flask, Django, Elasticsearch, Kibana, Jenkins, GitHub Workflows, Docker, PostgreSQL, MySQL, Oracle, Linux, Kafka, RabbitMQ
1mo
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Software Developer 6
Springfield, Virginia, United States
OnsiteFull Time
M.C. Dean
M.C. Dean: Designs and builds cyber-physical systems for mission-critical facilities.
12+ YOEActive Top Secret clearance with SCI eligibility; 12+ years of related experience or 9+ years with Master’s; DoD 8570 IAT Level II+ (e.g., CISSP, Security+); strong coding in C#, Java, Python; front-end HTML/CSS/JS, Angular/React; SQL/MongoDB; excellent communication and teamwork.
HTML, CSS, JavaScript, XML, jQuery, C#, Java, Python, Angular, React, Node.js, MySQL, MongoDB, Apache
1mo
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Senior Software Development Engineer - US Federal
McLean or Reston
$164k-$246k/yr OnsiteFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
8+ YOESecurity clearance TS/SCI w/ CI Poly; 8+ years in UML/Web app/SaaS; OO languages Java/Python/C#/C++; 8+ years designing/developing business apps; agile experience; JSON/REST/GraphQL; design patterns.
JSON, REST, GraphQL, UML, Java, Python, C++, C#
3w
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Software Engineer 2
Annapolis Junction or Hanover
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
14+ YOELinux, C++, Java, scripting (Shell, JavaScript, Bash, Python), networking, Git, Docker; 14+ years exp with software engineering or 19+ years exp in lieu of degree; US citizenship with TS/SCI poly clearance.
Linux, C++, Java, Scripting languages, Socket programming, Git, Docker, Python
6d
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Backend Software Engineer
Gaithersburg or Alexandria or Chantilly or St. Louis or Tucson
OnsiteFull Time
Noetic Strategies
Noetic Strategies: Provides cybersecurity, software development, and IT services to government agencies.
8+ YOEUS citizen; TS/SCI with poly; BS in CS/SE with 8–12 yrs (MS with 6–10); Java or Python; REST APIs; SQL; Linux; ability to work independently.
Java, Python, REST, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure, Agile
3d
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Cleared Software Engineer
Chantilly, Virginia, United States
$69k-$116k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
0+ YOEBachelor's in CS/IS or related field; strong programming knowledge; experience with Java, Scala, Python, Golang; AWS, Kubernetes, Docker; CI/CD tooling; DoD/Intelligence Community exposure preferred.
Java, Scala, Python, Golang, Kubernetes, Docker, AWS, Gitlab CI/CD, ArgoCD, CircleCI, Jenkins, Kafka, NiFi
1w
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Back End Developer
Springfield, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
8+ YOEBachelor's degree in Computer Science or related field with 8+ years of back-end experience; strong proficiency in Python, Java, C#, Ruby, or Node.js; SQL/NoSQL databases; API design (REST/GraphQL); cloud and containers (Docker/Kubernetes); security best practices for classified environments.
Python, Java, C#, Ruby, Node.js, SQL, NoSQL, REST, GraphQL, Docker, Kubernetes, Terraform, Ansible, Kafka
1w
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Software Engineer - Mid Level
Annapolis Junction, Maryland, United States
$156k-$195k/yr OnsiteFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
7+ YOESeven years of software engineering experience; bachelor’s in Computer Science; TS/SCI with poly; Linux experience; proficient in Python, C++, Java, or JavaScript; experience with SDR, geospatial processing, and 2D/3D visualization.
Python, C++, Java, JavaScript, Linux, GitHub, GitLab, Jira, Confluence
3w
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Software Development Engineer II- Back End
Vienna, Virginia, United States
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years backend software engineering; Python/Node/Java; REST APIs; ArcGIS Enterprise; containers (Docker/Kubernetes); security clearance; BS in CS/Math/GIS/STEM
Python, JavaScript/Node.js, Java, Docker, Kubernetes, ArcGIS Enterprise, REST APIs, Geoprocessing

HiringCafe market data

Java Python Developer Jobs market signals in Charles Town, WV, US

These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.

Open jobs
830+
Hiring companies
180+
Fresh sample
54% new in 30d
Salary visibility
52% show pay

Companies appearing in this market

VTGBoeingFreddie MacGuidehouseMicrosoftNorthrop GrummanPeratonPrescient Edge

Work location mix in visible results

Onsite: 75Hybrid: 12Remote: 3