60 junior python developer jobs at 28 companies in Orange, VA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
3d
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Junior Software Engineer
Warrenton or McLean or Fort Eisenhower
$100k-$150k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Bachelor's in CS or related, familiarity with Java/Python/JavaScript and modern web stacks, TS/SCI clearance required, strong communication and problem-solving skills.
Java, Python, JavaScript, Typescript, Angular, React, ElasticSearch, ELK stack, Redis, Web Services (REST), docker, lxc, Kubernetes, helm, Machine Learning, Data Analytics, Android, NoSQL, SQL, Xmidas, Digital Signal Processing
1w
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C or C++ Junior Developer
Dahlgren, Virginia, United States
$85k-$100k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
0+ YOEC or C++ development experience,Bachelor's in technical field or equivalent,0-5 years experience,ability to obtain DoD security clearance,valid driver's license,good communication and problem-solving skills.
C, C++, Java, Python
3w
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Junior GNC Engineer (Aerospace Engineer)
Dahlgren, Virginia, United States
OnsiteFull Time
Command Post Technologies
Command Post Technologies: Providing cybersecurity and engineering services to government defense agencies.
Bachelor's in engineering or related field (Master's preferred); coursework in modern control and estimation; proficiency with MATLAB/Simulink and Python or C/C++; experience with guidance algorithms, Kalman filtering, GPS/INS integration, and 6 DOF modeling; ability to obtain Secret clearance (U.S. citizenship required).
MATLAB, Simulink, Python, C, C++, NumPy, SciPy
2w
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Traffic & Revenue Junior Engineer
Manassas, Virginia, United States
OnsiteFull Time
Ferrovial
FerrovialNasdaq: FER: Develops, finances, and operates global transportation and energy infrastructure.
Bachelor's in civil engineering or related required; Master's (transportation) preferred. Proficiency with Microsoft Excel, Power BI, Tableau, ArcGIS, Trans CAD, Cube, SAS, Python, MySQL; strong writing and communication.
Microsoft Excel, Microsoft Power BI, Tableau, ArcGIS, Trans CAD, Cube, SAS, Python, MySQL, Microsoft Office
1mo
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Junior/Project Geotechnical Engineer
Ashland, Virginia, United States
$55k-$95k/yr HybridFull Time
Hana Engineers and Consultants
Hana Engineers and Consultants: Hana provides environmental engineering and construction management services.
2+ YOEB.S. in civil/geological engineering, 2+ years geotechnical experience, field investigation and site visit experience, report preparation skills, proficiency with MS Office and Adobe, valid driver's license, ability to travel to sites.
GeoStudio/SLOPE/W, SLIDE, gINT/OpenGround, Settle3, LPile, GROUP, APILE, ArcGIS, AutoCAD/Civil 3D, Python, MATLAB, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Adobe Acrobat
6d
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Software Engineer
King George or Dahlgren
OnsiteFull Time
Southeastern Computer Consultants
Southeastern Computer Consultants: Engineering and training solutions for military weapon systems.
2+ YOEU.S. citizen able to obtain Secret clearance; Bachelor's in engineering, computer science, math, or physics; 2 years software engineering experience; proficiency in C++, C#, Java, or Python; GUI/tooling experience; agile development experience.
C++, C#, Java, Python, Adobe XD, Figma, Sketch, Framer, Windows Presentation Foundation (WPF), Team Foundation Server (TFS), Git, Bitbucket, ATAK, WinTAK, VTAK
1mo
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Software Engineer - Full Stack
Sterling, Virginia, United States
OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
Active TS/SCI with Full-Scope Polygraph; full-stack development with Angular, Spring Boot, Java; DevOps, CI/CD, GitHub; AWS; Jira/DevOps tools; Python; Kubernetes; Bachelor’s in CS/Engineering; team collaboration and learning mindset.
Angular, Java, Spring Boot, AWS, GitHub, Jenkins, JIRA, Python, Kubernetes, Docker
1mo
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Software Developer
Dahlgren or Arlington
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years software development experience, proficiency with front- and back-end languages, experience writing source code and full-stack solutions, ability to obtain a Secret clearance, bachelor's degree or 5+ years experience accepted.
Java, Python, C#, C/C++, .NET, JavaScript, React, NodeJS, Agile
1mo
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Software Developer II (Kubernetes and Integration Specialist)
Manassas or Chantilly or Virginia
$69k-$166k/yr OnsiteFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
2+ YOEActive DoD Secret clearance, 2+ years software development experience (Bachelor's) or 0–2 with Master's; Kubernetes/Docker, Python/C++/Java/Go, REST APIs, CDI familiarity, local to Northern Virginia with ~10% travel, ability to integrate software into naval systems.
Kubernetes, Docker, Python, C++, Java, Go, REST APIs, microservices, composable and disaggregated infrastructure (CDI)
3w
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Associate Software Engineer
Manassas, Virginia, United States
$75k-$90k/yr HybridFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
Bachelor's in CS or similar, proficiency with Python, RESTful/gRPC, Linux; successful background check; US citizen with DoD Secret clearance or ability to obtain one.
Python, RESTful, gRPC, Linux, SQL, NoSQL, Kubernetes, Docker, Podman, KVM, Helm, CuPy, Numba, multiprocessing, shell scripting
1mo
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Kubernetes Software Developer and Integrator
Manassas, Virginia, United States
$77k-$152k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
2+ YOERequires US citizenship and active Secret clearance, 2+ years Kubernetes experience or equivalent, experience designing/deploying containerized microservices on Kubernetes, proficiency with Docker/Podman/K3s, Helm, Linux, and Bash/Python.
Kubernetes, Bash, Python, Linux, Docker, Podman, K3s, Helm, C++, Java
2w
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Software Engineer - Data Analytics Team
Middletown or Manassas
OnsiteFull Time
SEACORP
SEACORP: Provides engineering and technology services for naval defense systems.
0+ YOEAbility to program in Java, Python, or C++; experience with databases/APIs, containers, and Agile; U.S. citizenship and Secret clearance required; degrees and experience vary by level.
Java, Python, C++, Git, Linux, Jira, Confluence, PostgreSQL, MongoDB, Docker, Kubernetes, Kafka, Spark, Iceberg, Trino, S3, Ceph, VS Code AI extensions, Cursor, Claude Code
2w
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Embedded Software Engineer
Charlottesville, Virginia, United States
$79k-$119k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBachelor's in Computer Science/Engineering or related STEM, 2+ years engineering experience (or Master's with 0 years); C/C++, embedded Linux or VxWorks, Python/Bash, CI/CD and version control, US citizenship, ability to obtain Secret clearance.
C, C++, Linux, VxWorks, Python, Bash, Batch, Git, Gitlabs, Github, Bitbucket, ClearCase, Rally, Jira, CAMEO, Rational, CI/CD Pipeline, DevOps
2mo
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Test Design Software Engineer / Principal Test Design Software Engineer
Waynesboro, Virginia, United States
$79k-$148k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEU.S. citizen able to obtain/maintain U.S. Government Secret Clearance and Special Program Access. Bachelor’s degree (or advanced degree/experience equivalent). Experience with SDLC, Agile, C, C#, C++, Python, software integration, and strong communication skills.
C, C#, C++, Python, RS View, RS Logix 5000, LabWindows CVI, AMAX, FPGA, RTOS
3w
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Jr. Software Development Engineer in Test (SDET)
Manassas, Virginia, United States
OnsiteFull Time
SWIFT
SWIFT: Provides secure messaging services for global financial transactions.
University degree in computer science or related field; experience with Linux and scripting (Python, Shell) is a plus; strong testing, debugging and documentation skills; relevant professional experience is an asset.
Linux, Python, Shell scripting
1mo
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Software Engineer
Charlottesville, Virginia, United States
$81k-$142k/yr OnsiteFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
2+ YOEBachelor's in CS or related (or equivalent experience), 2+ years software development experience, proficiency in Java/Scala/Python/Golang, containerization and orchestration (Docker, Kubernetes), AWS and CI/CD tooling, ability to obtain Top Secret/SCI clearance, US citizenship required.
Kafka, AWS, NiFi, GeoMesa, Java, Scala, Python, Golang, Kubernetes, Docker, GitLab CI/CD, ArgoCD, CircleCI, Jenkins
3mo
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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
2w
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DSP Engineer 1
Warrenton, Virginia, United States
$70k-$110k/yr HybridFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
0+ YOEBachelor's in EE/CE, strong DSP fundamentals, proficiency in C/C++, Python or MATLAB, familiarity with debugging tools and lab equipment; 0–5 years DSP or embedded software experience.
C, C++, Python, MATLAB, oscilloscope, spectrum analyzer, software debugger, CI/CD
2mo
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Virtual Systems Engineer
Dahlgren, Virginia, United States
$67k-$133k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
0+ YOEBS in CS/Math/Engineering required, Secret clearance required, entry-level (no prior experience required). Proficiency with Linux, scripting (Bash/PowerShell/Python) and virtual system platforms expected; up to 10% local travel.
Bash, csh, PowerShell, Python, Linux Operating Systems, Red Hat Enterprise Linux (RHEL), RedHawk, VMware NSX, Cisco ACI, VMware ESXi, vCenter, KVM/QEMU, Cisco IOS, NX-OS, Ansible, Terraform, YAML, Aegis Combat/Weapon Systems
5d
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DevOps Engineer - Submarine Combat Systems
Manassas, Virginia, United States
$91k-$101k/yr HybridFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
2+ YOEBachelor's in Software Engineering or STEM plus 2+ years (or Master's plus 6 months); DoD Secret clearance and U.S. citizenship required; experience with Kubernetes/Docker, bash and python scripting, integration testing, and Linux/RHEL administration.
Kubernetes, Docker Swarm, bash, python, Ansible, Red Hat Enterprise Linux (RHEL)