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Junior Python Developer Jobs in Culpeper, VA, US

98 junior python developer jobs from 60 companies hiring in Culpeper, VA, US.

98 jobs- Culpeper • 50 miles
3w
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Junior Software Developer
Chantilly or McLean
OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
1+ YOE1 year relevant experience; Bachelor's in CS/CE/EE; full-stack dev with Java/C/Python/JS-TS, React, REST, Docker/Kubernetes, AWS, Linux, GitLab CI/CD; TIG Stack; CompTIA Security+.
Java, Python, JavaScript, TypeScript, React, REST, Docker, Kubernetes, Helm, NoSQL, SQL, AWS, Linux, GitLab CI/CD, TIG Stack, Web Services
2w
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Junior Software Engineer
Fort Belvoir, Virginia, United States
OnsiteFull Time
Trideum
Trideum: Provides engineering and technical services for defense and government sectors.
Bachelor's in CS/Engineering or related field; US citizenship and ability to obtain/maintain a secret clearance; Java, C++, or Python; knowledge of SDLC; strong problem-solving and teamwork; up to 25% travel.
Java, C++, Python
3w
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Junior Software Engineer - Intern
Fairfax, Virginia, United States
OnsiteInternship
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
US Citizen; pursuing Bachelor's or Master’s in Computer Science or Engineering; programming in Python, C++, Java; Linux familiarity; strong teamwork, writing, and presentation skills; ability to learn quickly in a fast-paced environment; self-motivated.
Python, C++, Java, Linux
1mo
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Junior Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
Cardinal Technology Systems
Cardinal Technology Systems: Provides cybersecurity and IT solutions to government agencies.
3+ YOEBachelor’s degree required; 3+ years experience; CBP suitability eligibility; databases, web apps, and interfaces; strong communication.
Python, SQL, Java
6d
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Junior Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Bridge Core
Bridge Core: Provides technical services and cybersecurity solutions to government agencies.
3+ YOEBS degree with 3-5 years of experience; Java/Springboot/AWS; REST APIs; Linux; scripting; Git; CloudFormation; PKI is desirable.
Java, Spring, AWS, Git, CloudFormation, Docker, Kubernetes, PostgreSQL, MySQL, Linux, Python, Bash, XML, JSON, YAML
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
2w
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Jr Full Stack Developer (Python/React.js)
Reston, Virginia, United States
$70k-$100k/yr OnsiteFull Time
Inadev
Inadev: Provides digital engineering and AI solutions to government and businesses.
2+ YOEBachelor's in CS/Engineering; 2+ yrs Python and React; experience with AI-assisted development; microservices; Agile/Jira; US citizen; located in DC metro area.
Python, React.js, GitHub Copilot, Microservices, JIRA, AWS, Docker, Kubernetes, PostgreSQL, MongoDB, DynamoDB
1mo
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Junior Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
3+ YOE2-4 years BS or 0-2 years MS; TS/SCI with Poly; BS in systems engineering or related STEM; space-based remote sensing familiarity; digital engineering concepts; strong communication; business acumen; collaborative mindset.
SysML, UAFML, STK, Python, Groovy, C++, Java, Jira, Confluence, Bitbucket
1mo
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Modernization Engineer (Junior)
Manassas, Virginia, United States
OnsiteFull Time
Spear AI
Spear AI: Develops AI software and sensors for maritime defense operations.
0+ YOESoftware engineer with Rust, C/C++, Docker/Kubernetes, CI/CD, Terraform or Pulumi, Python; Kafka/Redpanda experience; IoT, GIS a plus; passionate about code quality and performance.
C/C++, Rust, Kafka/Redpanda, Docker, Kubernetes, CI/CD, Terraform, Pulumi, Python
6d
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Junior Software Developer
Fort Belvoir, Virginia, United States
OnsiteFull Time
Applied Research Associates
Applied Research Associates: Provides scientific research and engineering solutions for complex problems.
2+ YOEBS/MS in CS/Software Eng; 2+ years experience or MS; proficient in Java, Python, Golang; web tech HTML/CSS/JS and frameworks (Angular, Vue, React); Agile, Git, CI/CD; strong documentation.
Java, Python, Golang, HTML, CSS, JavaScript, Angular, Vue, React, Git, CI/CD, Docker, Kubernetes, PostgreSQL, MySQL, Redis, MongoDB
2mo
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Junior RF Electrical Engineer - Poly Req'd
Herndon or Washington or Quantico
OnsiteFull Time
Patriot Group International
Patriot Group International: Global mission support and intelligence services for government agencies.
0+ YOEBachelor's in Electrical Engineering; MATLAB/Python proficiency; RF propagation modeling; electronics testing; briefing and reporting.
MATLAB, Python, spectrum analyzers, signal generators, voltage meters, continuity testers
2mo
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Junior RF Electrical Engineer - Poly Req'd
Washington or Quantico or Herndon
OnsiteFull Time
Patriot Group International
Patriot Group International: Provides mission support and security services to the defense sector.
Bachelor's in Electrical Engineering; MATLAB/Python; RF propagation and spectrum analysis; testing electronics; briefing and presenting to technical/non-technical audiences.
MATLAB, Python, Spectrum Analyzer, Signal Generator, Voltmeter, Network Tester, RF testing equipment
3w
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Junior Aerospace Digital Forensics Engineer
Sterling, Virginia, United States
$67k-$133k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
Bachelor’s degree in Mathematics, Aerospace/Mechanical/Computer Science/Physics or related field; proficiency in Python, C++, Rust, SQL, Matlab; strong math and data parsing; TS clearance (ability to obtain SCI); onsite in Sterling, VA.
Python, C++, Rust, SQL, Matlab
2w
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Junior Palantir / Maven Product Engineer
Herndon, Virginia, United States
OnsiteFull Time
NetCentrics
NetCentrics: Secures government infrastructure through cybersecurity and IT services.
3+ YOEBachelor’s degree in CS/Engineering/Data Science or related field; 1–3 years software/data engineering; Python/Java/Go/TypeScript; cloud infra AWS/Azure/Kubernetes; secure environments; Secret clearance; TS/SCI eligibility.
Python, Java, Go, TypeScript, AWS, Azure, Kubernetes
1d
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Data Engineer - Junior
Quantico, Virginia, United States
$94k-$157k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
0+ YOE0–3 years in data engineering; SQL and Python; bachelor’s in CS/IS/Engineering/Data Science; active TS/SCI clearance.
SQL, Python, Relational Databases
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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Junior Full Stack Software Engineer (DevSecOps)
Herndon, Virginia, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
2+ YOEBachelor’s or Master’s in relevant field; 2+ years of experience; active TS/SCI with poly; proficiency in Java, Python, JavaScript; REST/JSON; Docker; AWS; CI/CD.
React, Angular, Java, Python, FastAPI, Flask, PostgreSQL, MongoDB, DynamoDB, Elasticsearch, AWS, Docker, Kubernetes, Jenkins, GitLab CI, GitHub Actions, Terraform, CloudFormation, Cypress, Selenium, JUnit, Pytest, Jest, Confluence, Jira, OAuth, JWT, Swagger, REST API
1w
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Data Engineer, Junior
Reston, Virginia, United States
OnsiteFull Time
Chopine Analytic Solutions
Chopine Analytic Solutions: Provides intelligence analysis and operational support to defense agencies.
0+ YOEBachelor's in STEM; 0-5 years experience; data engineering, data analysis, statistics; TS/SCI with CI Polygraph clearance.
Python, R, SAS, SPSS, S-PLUS, SQL
2mo
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Junior RF Electrical Engineer - Poly Req'd
Washington or Quantico or Herndon
OnsiteFull Time
Patriot Group International
Patriot Group International: Providing specialized security and mission support for defense and intelligence.
Bachelor's in Electrical Engineering; proficiency in MATLAB/Python; RF propagation and spectrum analysis; testing with test equipment; ability to brief technical/non-technical audiences.
MATLAB, Python, Spectrum Analyzers, Signal Generators, Voltage Meters, Network and Cable Continuity Tests
2w
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Cyber Engineer
Sterling, Virginia, United States
OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
Bachelor's degree in STEM/Computer Science or related field; U.S. citizenship with ability to obtain security clearance; experience in C/C++ or Python; Windows/Linux development.
C, C++, Python, Windows, Linux
5d
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Junior RF Analyst
Springfield or Chantilly
OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
Master’s with 1 year experience or Bachelor’s with 2 years, or no degree with 4 years; TS/SCI clearance with adjudicated polygraph; RF/EMI concepts and test experience; ability to develop plans and analyze results.
MATLAB, Python, Excel
1mo
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Junior Data Analytics Engineer
Ashburn, Virginia, United States
OnsiteFull Time
IT-Strat
IT-Strat: Provides cybersecurity and IT solutions for federal government agencies.
1+ YOEBachelor's degree in computer science or related field; 1+ year SQL; 1+ year BI tool experience; NACLC clearance; AWS familiarity; data warehousing concepts.
SQL, Power BI, Tableau, Qlik, Databricks, Oracle, Python, Pandas, PySpark, AWS, S3, EMR, Redshift, Glue
1d
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Software Engineer (Level 1)
Dulles, Virginia, United States
$76k-$114k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
0+ YOEBachelor's degree or 0 years experience; software development with Python, C++, Bash; US citizenship; ability to obtain Top Secret clearance.
Python, C++, Bash, PostgreSQL, Ansible, Cloud infrastructure, PKI, Static code analysis
2w
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Game Simulation Developer Intern
Fredericksburg, Virginia, United States
OnsiteInternship
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
0+ YOEPursuing a Bachelor's or Master's in CS/Game Development/Software Engineering; experience with C#/C++/Python/JavaScript; familiarity with Unity or Unreal; strong problem solving; team, independent work; photo editing.
Unity, Unreal Engine, C#, C++, Python, JavaScript, Adobe Photoshop, Adobe Illustrator, Git
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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Backend Software Engineer
Reston, Virginia, United States
RemoteFull Time
Game Plan Tech
Game Plan Tech: Building secure cloud and AI systems for government.
Back-end developer proficient in Java or Python, databases (SQL/NoSQL), Git/CI/CD, cloud platforms (GCP/AWS/Azure), containers (Docker/Kubernetes), and REST APIs.
Java, Python, Git, CI/CD, Docker, Kubernetes, GCP, Azure, AWS, SQL, NoSQL, REST APIs
2mo
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Software Engineer
Tampa or Fort Belvoir
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Providing technical and engineering services to federal government agencies.
3+ YOEUS citizen; active secret clearance with ability to obtain TS/SCI; bachelor’s in CS/IS or related field with 3–6 years of experience; proficiency in Java/C#/Python/JS/TS; Git; REST/microservices; team collaboration; strong communication.
Java, C#, Python, JavaScript, TypeScript, Git, RESTful APIs, microservices, CI/CD, Docker, Kubernetes, Databases
2w
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Application Developer - SME
Herndon, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides force modernization and digital transformation for defense agencies.
8+ YOEActive TS/SCI clearance with Poly required on day one; 8+ years in web app development; experience with Angular/React/JavaScript, Linux, cloud platforms, ETL, and microservices; strong Agile experience.
Angular, React, JavaScript, Java, Python, SQL, Linux, Docker, Kubernetes, OpenSearch, Elasticsearch, ETL, AWS, Azure, Confluence, Jira, GitHub
1d
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Software Development Engineer I
Washington or Reston or San Diego or San Francisco or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$37-$59/hr HybridFull Time
DLA Piper
DLA Piper: Global law firm providing comprehensive legal and business services.
1+ YOE1-3 years programming with Node.js, Python, C#, Razor, MVC; SQL databases; JavaScript frameworks; HTML/CSS; strong communication.
Node.js, Python, C#, Razor, MVC, Visual Studio Code, MS Graph, APIs, Git, Azure DevOps, SQL, HTML, CSS, JavaScript
2w
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Chapter Next Returnship - Software Engineer (Java, C++)
Manassas, Virginia, United States
OnsitePart Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEBachelor's in CS/Software/Computer Engineering plus 1 year exp; Linux/Unix; Java/C++ development; Bash/Python scripting; US Citizenship; security clearance required.
Java, C++, Linux, Unix, Bash, Python
4d
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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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AWS Geospatial Software Engineer
Springfield or Chantilly or McLean or Reston
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years software with cloud-first development; 5+ years backend (Java, Python, Go, C++), frontend (JavaScript/TypeScript/HTML/CSS); 3+ years geospatial data processing and spatial algorithms; 3+ years AWS services and cloud-native patterns; 3+ years Infrastructure as Code; containerization experience; TS/SCI with polygraph; Bachelor's degree.
Java, Python, Go, C++, JavaScript, TypeScript, HTML, CSS, AWS, ECS, EKS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM, Terraform, CloudFormation, CDK, Docker, Kubernetes
3mo
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Software Engineer (TS/SCI) {S}
Chantilly, Virginia, United States
OnsiteFull Time
ARKA Group
ARKA Group: Develops advanced technology solutions for space and defense missions.
4+ YOEActive TS/SCI clearance; degree in CS/EE/Physics or related field or 4 years software/signals experience; interest in remote sensing; proficient in Python/C++/Rust or similar; Linux and/or AWS familiarity.
Python, C++, Rust, Linux, AWS
3mo
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Software Engineer (TS/SCI) {S}
Chantilly, Virginia, United States
OnsiteFull Time
ARKA Group
ARKA Group: Provides advanced technology solutions for space and defense missions.
Active TS/SCI clearance; degree in CS/EE/Physics or related; programming in Python/C++/Rust; Linux/cloud experience; onsite work; strong problem-solving.
Python, C++, Rust, Linux, AWS
6d
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2026 Enterprise Modeling and Simulation Engineer
El Segundo or Chantilly or Colorado Springs
$100k-$140k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
1+ YOEMaster's degree in CS/EE/optical engineering/physics/m mathematics; 0-1 year experience; strong C++ and Python; modeling and simulation experience; ability to obtain Top Secret/SCI clearance
C++, Python
1w
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Support Engineer - FreeWheel
New York or Reston
$53k-$80k/yr OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
0+ YOEBachelor's in CS/Engineering or related; experience in online advertising tech; strong SQL, scripting, REST APIs; familiarity with IAB/VAST; data analysis and web tech; good communication.
SQL, RESTful APIs, Python, JavaScript, HTML5, XML, cURL
3w
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Intern- Software Engineer
Herndon, Virginia, United States
$25/hr HybridInternship
Vbrick
Vbrick: Secure enterprise video platform for live and on-demand streaming.
0+ YOEPursuing a Bachelor's degree in Computer Science or Engineering; strong programming skills; knowledge of databases; AI/ML fundamentals; good communication; eager to learn.
Java, Python, JavaScript, C#, SQL, NoSQL, HTML, CSS, GitHub Copilot, ChatGPT, Claude
3w
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Project Engineer 1 - New College Grad 2025 - 2026 (E&C - Manassas, VA)
Manassas, Virginia, United States
OnsiteFull Time
M.C. Dean
M.C. Dean: Designs and builds cyber-physical systems for mission-critical facilities.
0+ YOEBachelor’s degree in Electrical, Mechanical, Systems, or Industrial Engineering; experience with CAD, SolidWorks, Revit, Python, SCADA, MATLAB, VHDL; new college graduates expected.
CAD, SolidWorks, Revit, Python, SCADA, MATLAB, VHDL
3w
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Thermal Metrology Engineer
Charlottesville, Virginia, United States
OnsiteFull Time
Laser Thermal
Laser Thermal: Designs and manufactures instruments for nanoscale thermal property measurements.
0+ YOEEntry-level engineer with strong data analysis skills, Python/MATLAB proficiency, and customer-facing abilities.
Python, MATLAB, Jira
1mo
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Jr. DevOps Engineer - Hybrid
Tysons or Manassas
$67k-$124k/yr HybridFull Time
SWIFT
SWIFT: Provides secure messaging services for global financial transactions.
0+ YOERecent graduate with 0-2 years in DevOps; Linux, CI/CD, scripting (Bash/Python); Git; cloud basics; eager to learn and collaborate.
Jenkins, CloudBees CD/RO, Git, Bash, Python, Red Hat Enterprise Linux, Docker, AWS, Azure, GCP, GitHub Actions

HiringCafe market data

Junior Python Developer Jobs market signals in Culpeper, 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
98
Hiring companies
60
Fresh sample
62% new in 30d
Salary visibility
38% show pay

Companies appearing in this market

KBRThe Aerospace CorporationCACIInadevNorthrop GrummanPatriot Group InternationalAltamira TechnologiesArcfield

Work location mix in visible results

Onsite: 50Hybrid: 9Remote: 1