576 junior python developer jobs at 210 companies in Fredericksburg, 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
2mo
Save
Mark Applied
Hide
Junior Software Engineer
Chantilly, Virginia, United States
$94k-$198k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
0+ YOEBachelor's degree in CS/Software Engineering/Information Systems; TS/SCI with Polygraph; strong software fundamentals; experience with Java, C#, Python, or JavaScript; willingness to learn enterprise platforms and PeopleSoft.
Java, C#, Python, JavaScript, PeopleSoft, Oracle, Git
1mo
Save
Mark Applied
Hide
Junior Software Engineer
Washington, District of Columbia, United States
$100k-$145k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
3+ YOEBachelor's degree in a technical field; 3 years software development; object-oriented programming; multi-INT or complex software systems; strong requirements analysis and documentation; collaboration and communication skills.
Java, C++, Python, Object-oriented programming, Multi-INT analysis tools, Software development tools
3w
Save
Mark Applied
Hide
Junior Developer
Rosslyn, Virginia, United States
$139k/yr OnsiteFull Time
ActioNet
ActioNet: Provides IT modernization and cybersecurity services for government agencies.
0+ YOEBachelor's in CS/IT, 0–3 years software development experience, knowledge of Python/Java/C#, familiarity with Agile/Scrum/SAFe, Secret clearance, strong communication and problem-solving; cloud and DevOps certifications preferred.
Python, Java, C#, Agile, Scrum, SAFe, GitHub, Docker, AWS, Microsoft Azure
2mo
Save
Mark Applied
Hide
Junior RF Engineer
Dahlgren, Virginia, United States
$80k-$100k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
1+ YOEBachelor's in electrical engineering; 1 year RF/microwave test experience; MATLAB/Python; MS Office; active SECRET clearance.
MATLAB, Python, RF modeling/simulation software, Microsoft Office
1mo
Save
Mark Applied
Hide
Junior AI/ML Engineer
Arlington, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
3+ YOEBachelor's degree in Computer Science or related field; 2+ years experience; 3+ years software engineering; Python proficiency; experience operationalizing ML; familiarity with MLOps tools; cloud platforms; CI/CD practices.
AWS SageMaker, MLflow, Kubeflow, Airflow, TensorFlow Serving, TorchServe, ONNX runtime, Terraform, Helm, Kubernetes, Databricks, SHAP, LIME
6d
Save
Mark Applied
Hide
Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
0+ YOEBachelor's or equivalent, 0–3 years development experience, experience with Java and/or Python, familiarity with web apps and relational databases, TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD, containerization
3w
Save
Mark Applied
Hide
Junior Software Engineer
Reston, Virginia, United States
$90k-$122k/yr HybridFull Time
Verisign
VerisignNASDAQ: VRSN: Provides internet domain name registry and DNS infrastructure services.
2+ YOE2+ years software development experience, BS in Computer Science or equivalent, proficiency in C/C++/Rust and Python, Linux, CI/CD and infrastructure automation (Terraform, Ansible, Puppet, OpenStack), strong CS fundamentals and communication skills.
Terraform, Ansible, Puppet, OpenStack, Jenkins, Groovy, GitHub, Python Behave, Cucumber, C, C++, Rust, Python, Linux, tcpdump, Docker, Kubernetes
1mo
Save
Mark Applied
Hide
Junior DevSecOps Engineer
McLean, Virginia, United States
HybridFull Time
BLN24
BLN24: Delivers digital innovation and strategic communications for federal agencies.
1+ YOE1-2 years DevOps, 1+ year AWS and GitLab CI/CD, strong Docker/Kubernetes, scripting, Terraform or AWS CDK; Linux, Git; security and compliance knowledge.
React, Python, Node.js, AWS EKS, GitLab CI/CD, Terraform, Docker, Kubernetes
3w
Save
Mark Applied
Hide
Junior Fullstack + AI Developer
Tysons, Virginia, United States
OnsiteFull Time
Cav
Cav: Continuous cyber assurance platform for high-reliability organizations.
0+ YOE0–2 years software development experience; familiarity with modern frontend frameworks, backend development (Python/Node.js/Java), REST APIs, relational/NoSQL databases; interest in AI/ML and LLMs; strong communication and problem-solving.
React, Vue, Angular, Python, Node.js, Java, PostgreSQL, MongoDB, PyTorch, TensorFlow, Hugging Face, LangChain, OpenAI APIs, Git, AWS, Azure, Google Cloud, Docker
2w
Save
Mark Applied
Hide
Junior Software Developer
Washington or Maryland or Virginia
OnsiteFull Time
Akumen
Akumen: Provides technology, cybersecurity, and data services to federal agencies.
2+ YOEBachelor's or equivalent, 2+ years software development experience, proficiency with C#/.NET or Java, JavaScript frameworks (React/Angular), Microsoft Azure and Azure DevOps, RESTful APIs, and relational databases.
C#/.NET, Java, JavaScript, React, Angular, Microsoft Azure, Azure DevOps, RESTful APIs, SQL Server, PostgreSQL, ASP.NET Core, Spring Boot, Docker, Kubernetes, Terraform, Bicep, PowerShell, Python, Bash, CI/CD pipelines
3mo
Save
Mark Applied
Hide
Junior Full Stack Software Engineer (DevSecOps)
Herndon, Virginia, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
2+ YOEBachelor's with 2+ years or Master's in a relevant field; TS/SCI with polygraph; proficient in Java, Python, JavaScript; REST/JSON, Git, Agile, Docker; AWS experience; unit testing.
Java, Python, JavaScript, TypeScript, REST, Git, Docker, AWS, JUnit, Pytest
3d
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Junior Full Stack Developer
Sterling, Virginia, United States
OnsiteFull Time
ASSYST
ASSYST: An award-winning IT firm that provides digital transformation, DevSecOps, cyber security, and AI integration services for government agencies.
0+ YOE0–2 years software development experience; eligible for security clearance; basic knowledge of HTML5, CSS3, JavaScript (ES6+), a front-end framework (React/Angular/Vue.js), a back-end technology (.NET/Node.js/Java Spring Boot/Python), REST APIs, SQL/NoSQL, and Git.
HTML5, CSS3, JavaScript (ES6+), React, Angular, Vue.js, Node.js, .NET, Java, Java Spring Boot, Python, REST APIs, SQL Server, MySQL, PostgreSQL, Git
1w
Save
Mark Applied
Hide
Junior Engineer/Analyst
King George or Dahlgren
OnsiteFull Time
Southeastern Computer Consultants
Southeastern Computer Consultants: Engineering and training solutions for military weapon systems.
U.S. citizen able to obtain Secret clearance, BS in CS/CE or related field, familiarity with Python/C#/C++, Linux/Bash, Docker, CI/CD and DevOps/MLOps practices.
Python, C#, C++, Linux, Bash, Docker, Jenkins, Artifactory, MLflow, Kubeflow, PyTorch, TensorFlow, Windows
1mo
Save
Mark Applied
Hide
Junior Software Developer
Springfield or Arlington
$40k-$80k/yr HybridFull Time
JRAD
JRAD: Provides technical research and defense support to federal agencies.
0+ YOEBachelor's in CS or related, 0-3 years software development experience, Java/Spring preferred, proficiency with OOP, data structures, REST/microservices, databases, containerization, Agile, and security standards; able to pass DHS suitability screening.
Java, C#, C++, ASP.Net, Python, JavaScript, Spring MVC, Spring Boot, SSO, Scala, Http4s, ETL, Node.js, React, Angular, Vue.js, PostgreSQL, MySQL, MongoDB, RESTful APIs, microservices, Docker, Kubernetes, Git, Github, JIRA, SAFe, AWS, Microsoft Azure, Google Cloud Platform, Jenkins, GitLab CI/CD, GitHub Actions, JUnit, PyTest, Jest, OWASP, Section 508, NIST
4w
Save
Mark Applied
Hide
Junior Software Developer - TS/SCI
Herndon or Chantilly
$88k-$155k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOETop Secret/SCI required. Bachelor’s degree in EE/CS/CE or related, 2+ years software development experience, proficiency with Python and C/C++, Linux, Git; experience with AWS, Docker, Kubernetes, and ML frameworks preferred.
Python, C/C++, Linux, Git, Amazon Web Services (AWS), Docker, Kubernetes, PyTorch, TensorFlow, X-Midas, OpenCV, Keras, Qt/PyQt, Android, GitLab CI/CD, CUDA
2w
Save
Mark Applied
Hide
Junior DevOps Engineer
St. Louis or Springfield
$115k-$125k/yr OnsiteFull Time
D2 Consulting
D2 Consulting: Provides IT engineering and cybersecurity services to federal agencies.
2+ YOETS/SCI clearance required, 2+ years relevant experience, experience with containers (Kubernetes/Docker/OpenShift), GitLab CI/CD, Python/Bash/Shell scripting, on-prem and cloud infrastructure, monitoring, and security practices.
Kubernetes, Docker, OpenShift, GitLab, Python, Bash, Shell, Helm, Jira, Confluence
1w
Save
Mark Applied
Hide
Junior Appian Developer
Reston, Virginia, United States
$90k-$110k/yr RemoteFull Time
Forge Group
Forge Group: Provides professional consulting and IT solutions for federal agencies.
0+ YOEU.S. citizen with 0–3 years Appian or application development experience; Appian Associate certification within 6 months; CompTIA Security+ within 30 days; active Tier 2 background investigation within 18 months; foundational SQL, REST, and Appian knowledge.
Appian, SQL, REST, Python, Java, JavaScript, Git, CI/CD
2w
Save
Mark Applied
Hide
Junior/Mid-level Software Engineer
Washington, District of Columbia, United States
$100k-$120k/yr OnsiteFull Time
Envisioneering
Envisioneering: Provides engineering, R&D, and electronic warfare solutions for defense.
1+ YOEBS in Engineering/CS, active U.S. Secret clearance, 1+ years Python development experience, familiarity with Windows/Linux, instrument integration, and data processing/analysis.
Python, NumPy, SciPy, matplotlib, seaborn, Bokeh, HDF5, GitLab, C++, gcc, cmake, Visual Studio, Linux, Windows, VISA, TCP/IP
1mo
Save
Mark Applied
Hide
Junior Software Integration Engineer
Chantilly, Virginia, United States
$70k-$105k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
1+ YOEBachelor's in STEM required, 1+ years post-Bachelor experience in web application development with Java/Python/Spring/REST/Cloud; familiarity with Agile, Atlassian tools, Git/Subversion, Windows/Linux, and ability to obtain a U.S. security clearance.
Spring Framework, Java, Python, RESTful services, Cloud, JIRA, Confluence, BitBucket, SourceTree, Git, Subversion, Windows, Linux, DevSecOps, AI/LLM