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Java Python Developer Jobs in Winchester, VA, US

360+ java python developer jobs from 100+ companies hiring in Winchester, VA, US.

364 jobs- Winchester • 50 miles
5d
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Java Developer
Manassas, Virginia, United States
OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOE3+ years professional Java experience; OOP with Java, Python, or C++; SysML/UML concepts; Cameo Systems Modeler; ability to parse and generate large config files (XML/JSON/YAML); Docker/Jenkins/GitLab; US citizenship and ability to obtain government security clearance.
Java, Python, C++, SysML, Cameo Systems Modeler, Rhapsody, XML, JSON, YAML, Maven, Gradle, Docker, Jenkins, GitLab, Podman, OCI, Cameo Open API, MagicDraw
1mo
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Software Engineer - Java, Python, node.js, JavaScript, HTML (2026-0065)
Reston, Virginia, United States
OnsiteFull Time
Acclaim Technical Services
Acclaim Technical Services: Provides language and intelligence services to U.S. federal agencies.
2+ YOEBachelor's degree in engineering or related field; 2+ years software engineering experience; proficiency in Java, Python, Node.js, JavaScript, HTML.
Java, Python, Node.js, JavaScript, HTML
1mo
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Lead Software Engineer (Python, Java, JS, Postgres, MySQL, DynamoDB, Milvus/Pinecone)
McLean or Chicago
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOELead software engineer with full stack skills (Python, JavaScript, Java), cloud (AWS), 4+ years software engineering, Bachelor's degree.
Python, Java, JavaScript, TypeScript, SQL, Go, HTML/CSS, Docker, Kubernetes, AWS
1mo
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Java/ETL Developer - TS/SCI with Polygraph
Herndon, Virginia, United States
$174k-$236k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOE8+ years of data engineering/ETL experience; TS/SCI with Polygraph; US citizenship; Bachelor's in Engineering or related field (or equivalent).
Java, XML, JSON, Python, Oracle, MySQL, Tableau, Elasticsearch, ArcGIS, Windows, Linux, Git, GitHub, GitLab, Jenkins, NiFi, Pentaho, FME, SAFE, ETL
1mo
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Java/ETL Developer - TS/SCI with Polygraph
Herndon, Virginia, United States
$174k-$236k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years of related experience; TS/SCI with Polygraph; Java/ETL, data engineering, ETL, SQL; Bachelor's degree or equivalent; US citizenship.
Java, XML, JSON, Python, Oracle, MySQL, Tableau, Elasticsearch, ArcGIS, Windows, Linux, GitHub, GitLab, Jenkins, NiFi, Pentaho, FME, SAFE
6d
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Software Engineer (Java/Springboot)
Mount Laurel or Reston or Philadelphia
$115k-$172k/yr HybridFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
5+ YOEProficiency in Java and Spring Boot; 5-7+ years of software engineering; front-end skills; REST/microservices; databases; CI/CD; offshore coordination.
Java, Spring Boot, Angular, JavaScript, HTML, CSS, jQuery, Spring Framework, Spring Integration, Apache Camel, MSSQL, MySQL, Oracle, MongoDB, JUnit, TestNG, REST, Microservices, RabbitMQ, Kafka, GoCD, Jenkins, Concourse, Flowable, JBPM, Activiti, Python
3w
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Senior Application Developer (Java/Angular)
Ashburn, Virginia, United States
HybridFull Time
Dev Technology Group
Dev Technology Group: Provides information technology services to federal government agencies.
7+ YOEBachelor’s degree and 7+ years in Java applications with Spring, Agile, Jira; Oracle/PostgreSQL; unit tests; strong communication; hybrid Ashburn onsite.
Java, Angular, Spring, Spring Boot, AWS, Jira, Git, Bamboo, Jenkins, SonarQube, Docker, Kubernetes, Hibernate, MyBatis, JMS, Python, Kafka, Linux
1w
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Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
Bespoke Technologies
Bespoke Technologies: Provides technical engineering and data solutions for national security.
5+ YOEExperienced software developer with on-site position in Chantilly, VA; poly clearance required; strong cloud, Python/Java, and AWS skills.
Java, Python, Elasticsearch/OpenSearch, AWS, Docker, Linux, SQL, S3, Lambda, SQS, SNS, IAM, DynamoDB, CDK, CloudFormation, Terraform
2w
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Software Engineer
Chantilly, Virginia, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOE2+ years in software development; Java, Python, Rust, or Go; microservices; TS/SCI clearance; Bachelor's degree.
Java, Python, Rust, Go, Docker, Kubernetes, Linux, AWS, Azure, Google Cloud, C, C++, C#, JavaScript, React, Node.js
1w
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Full Stack Developer
Chantilly, Virginia, United States
HybridFull Time
AnaVation
AnaVation: Providing technical engineering and cybersecurity solutions for federal agencies.
4+ YOEBachelor’s in CS/Engineering; 4+ years software development; Java, JavaScript, Python, SQL; Java Spring; PostgreSQL; CI/CD; pass High-Risk Public Trust background.
Java, Spring, JavaScript, TypeScript, Python, SQL, PostgreSQL, GitLab, GitHub, AWS, Nutanix
1mo
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Software Developer
Winchester, Virginia, United States
OnsiteFull Time
Redhorse
Redhorse: Delivering data insights and technology solutions to government agencies.
5+ YOE5+ years software development; Top Secret/SCI-friendly clearance; proficient in C#, Java, or Python; experience with microservices, Docker, Kubernetes; use of TDD/BDD in Agile.
Docker, Kubernetes, C#, Java, Python, TDD, BDD, Agile
1mo
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Full Stack Developer
Chantilly or McLean
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years in Java, Python, JavaScript; 2+ years in software development; DevOps (GitHub); backend and frontend development; TS/SCI clearance with polygraph; HS diploma or GED.
Java, Python, JavaScript, HTML, GitHub, CI/CD, DevOps
1mo
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Software Engineer
Warrenton or Denver or Fort Meade
OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Strong Java skills; full-stack development; experience with Java, JavaScript/TypeScript, Python, Angular, ELK stack; BS in CS/CE/EE; TS/SCI with poly; CI/CD experience.
Java, JavaScript, TypeScript, Angular, React, Elasticsearch, Python, REST, Docker, Kubernetes, Helm, Redis, NoSQL, SQL, Android
1mo
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Web Application Developer Senior
Winchester, Virginia, United States
OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
2+ YOEBachelor's degree; TS/SCI clearance; 2+ years in AWS/C#/Java/Python; web app development.
AWS, C#, Java, Python
1mo
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Software Developer - Top Secret
Winchester, Virginia, United States
OnsiteFull Time
VMD Corp
VMD Corp: Provides airport security screening and federal IT services.
Develop and maintain software in an Agile/SAFe environment; AWS/C#/Java/Python experience; secure federal systems; strong OO design and version control.
C#, Java, Python, AWS, Git
1mo
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Full Stack Software Engineer, Developer (Experienced or Senior)
Chantilly or Seal Beach
OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs, manufactures, and sells aircraft, satellites, and defense systems.
5+ YOE5+ years in OO design and Java/C++/Python; full-stack Java development; active Top-Secret/SCI eligibility with CI poly; aerospace/space domain experience preferred.
Java, C++, Python, Spring, Hibernate, JDBC, REST/Open API, Jenkins, GitLab CI, Maven, Gradle, SQL, NoSQL, WebLogic, JMS, HTML, CSS, JavaScript, React, Open Layers
1mo
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Software Engineer
Annapolis Junction or Reston
$104k-$192k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
2+ YOE2+ years software development; C#/.NET/Python/Java/C++ or C; distributed programming; building pipelines; on-call support; TS/SCI with poly; US passport.
C#, NET, Python, Java, C++, C, Azure Data Factory, PowerBI
1mo
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Sr Software Developer
Manassas, Virginia, United States
$101k-$188k/yr OnsiteFull Time
SWIFT
SWIFT: Provides secure messaging services for global financial transactions.
5+ YOEBachelor’s degree in CS or related field; 5 years in distributed, multi-threaded development using C++, Java, Python, Perl; OpenShift, Linux, CI/CD; PKI security; mentoring; strong communication.
C++, Java, Python, Perl, OpenShift, Linux, CI/CD, PKI, HSM, LDAP, Certificate Authority, Post-Quantum Cryptography
6d
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Application Software Developer (Full Stack Developer)
Herndon, Virginia, United States
RemoteFull Time
VivSoft Technologies
VivSoft Technologies: Delivers cloud, DevSecOps, and AI solutions to federal agencies
10+ YOEExperienced full stack developer with 10+ years in software development; 5+ years in DevSecOps and cloud-hosted apps; strong Java, Python, AWS, React/Angular; CI/CD with Jenkins, GitHub, Artifactory; Jira/Confluence; API, databases (MySQL, PostgreSQL).
Java, Python, AWS, React, Angular, Jenkins, GitHub, Artifactory, Jira, Confluence, MySQL, PostgreSQL, JBoss, Spark, Vault
3w
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PySpark Engineer
Chantilly, Virginia, United States
OnsiteFull Time
M1 Technology
M1 Technology: Developing mission-critical technology for the U.S. intelligence community.
Experience with big data using Spark/PySpark; Solr/Elasticsearch; data quality; RegEx; Java/JavaScript/Bash/Python; AWS; Java 8+ (upgrading to 17); Jira and GitHub; Spring Boot and RESTful APIs; Linux (CentOS); middleware/backend development.
Spark, PySpark, Solr, Elasticsearch, RegEx, Java, JavaScript, Bash, Python, AWS, Jira, GitHub, Spring Boot, RESTful APIs, Linux, CentOS
2w
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Data Engineer
Carlsbad or Germantown or Englewood or Tempe
$136k-$253k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provides global satellite broadband and secure networking communication services.
5+ YOE5+ years software development with Java/Scala/Python/C/C++. SQL knowledge. Linux, Docker, Git/CI-CD. Cloud (AWS/GCP/Azure). BS in a related field.
Java, Scala, Python, C/C++, Linux, Docker, Git, CI/CD, PostgreSQL, MySQL
2w
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Applications Developer (Full Stack Developer - Senior)
Herndon, Virginia, United States
OnsiteFull Time
Ardent Principles
Ardent Principles: Provides specialized technology and program management services to government agencies.
4+ YOESenior-level developer with active TS/SCI with Full Scope Polygraph; 4+ years web app experience; strong Python/Java/JS/C# OO skills; cloud and Linux experience;Bachelor's degree or 11 years experience without degree.
Angular, React, JavaScript, Python, Java, C#, Linux, AWS, Azure, Oracle Cloud, Docker, Podman, Jira, Confluence, GitHub
3mo
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Full Stack Developer, Senior
Chantilly, Virginia, United States
$113k-$238k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and professional services to government agencies.
7+ YOESenior full stack developer with TS/SCI with polygraph, 7+ years in software engineering, experience with OOP (Java/Ruby), Linux, AWS, Python, REST, relational databases, and Agile.
AWS, Linux, Java, Ruby, Python, Git, MySQL, PostgreSQL, Oracle, REST, Apache HTTPD, Solr, Rails, Node.js, React, Angular, Vue.js, Jenkins, CI/CD
1mo
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Backend Software Engineer
Reston, Virginia, United States
RemoteFull Time
Game Plan Tech
Game Plan Tech: Building secure cloud and AI systems for government.
Backend developer skilled in Java or Python, databases (SQL/NoSQL), Git/CI/CD, security, containers (Kubernetes), and cloud platforms (GCP/AWS/Azure).
Java, Python, Git, Kubernetes, Docker, CI/CD, Cloud Platforms, REST API, SQL, NoSQL
1w
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Software Engineer
Sterling, Virginia, United States
OnsiteFull Time
Northstrat
Northstrat: Provides IT and engineering solutions for US government agencies.
5+ YOEBachelor’s in software engineering, computer science, information systems, or equivalent; 5+ years in software development; strong OO languages (Java, JEE, C++, Python); RESTful services; microservices and containers; TS/SCI clearance with polygraph.
Java, JEE, C++, Python, SpringBoot, Mockito, Lombok, OpenAPI, Swagger, REST, Microservices, Docker, Kubernetes, Helm, Git, Gradle, Kafka, MongoDB, ActiveMQ, NiFi, AWS, Linux, CI/CD
2mo
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Software Engineer
Reston, Virginia, United States
OnsiteFull Time
Scientific Research Corporation
Scientific Research Corporation: Advanced engineering and IT solutions for national defense and security.
5+ YOEActive Top Secret clearance (SCI eligible); 5+ years software development; strong JS/TS, React; Node.js, Java/Python; REST APIs; SQL/NoSQL; CI/CD; legacy modernization; AWS GovCloud/Azure Gov.
JavaScript, TypeScript, HTML5, CSS3, React, Angular, Vue.js, Node.js, Java, Python, PHP, C#, REST, PostgreSQL, Oracle, MS SQL Server, MongoDB, Redis, Git, GitHub, GitLab, Bitbucket, Jira, Azure DevOps, Jenkins, Docker, Kubernetes, Terraform, Ansible, AWS GovCloud, Azure Government
2mo
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Software Engineer
Vienna or Herndon
HybridFull Time
NT Concepts
NT Concepts: Provides AI and data solutions for national security agencies.
5+ YOE5+ years in software development with Python/Java/C#, ML with PyTorch; API design; cloud (AWS/GCP/Azure); Linux; Git; microservices; containers (Docker/OpenShift); Kubernetes; SAFe/Agile experience; TS/SCI clearance preferred.
Python, Java, C#, Go, PyTorch, APIs, AWS, GCP, Azure, Linux, Git, Docker, OpenShift, Kubernetes, REST APIs
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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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
3w
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Software Integration Engineer
Chantilly, Virginia, United States
$87k-$130k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
2+ YOEBachelor's in STEM; 2+ years web app development with Java/Python; REST/Cloud; Agile; Atlassian tools; Git/Subversion; Linux/Windows; willing to travel ~15%; able to obtain security clearance.
Java, Python, Spring Framework, REST, Cloud, Git, Subversion, JIRA, Confluence, Bitbucket, SourceTree, Linux, Windows
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
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
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
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
19h
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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

HiringCafe market data

Java Python Developer Jobs market signals in Winchester, VA, 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
360+
Hiring companies
100+
Fresh sample
47% new in 30d
Salary visibility
49% show pay

Companies appearing in this market

Booz Allen HamiltonBoeingGDITViasatAccenture Federal ServicesAltamira TechnologiesBespoke TechnologiesCapital One

Work location mix in visible results

Onsite: 87Hybrid: 18Remote: 4