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Junior Software Engineer Python Jobs in Winchester, VA, US
49 junior software engineer python jobs from 32 companies hiring in Winchester, VA, US.
2w
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Junior Software Engineer
Warrenton or State College or Fort Eisenhower or Centennial
OnsiteFull Time
Bachelor’s in CS/CE/EE or related field; strong Java and JavaScript/Typescript experience; experience with Python, Angular, ELK, Redis, REST, Docker/Kubernetes; TS/JS stack experience preferred; Must have Top Secret clearance.
Java, JavaScript, TypeScript, Python, Angular, React, ElasticSearch, ELK stack, Redis, REST, Docker, Kubernetes, Helm, NoSQL, SQL, Xmidas
1mo
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Junior Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
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
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
1mo
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Software Engineer - Java, Python, node.js, JavaScript, HTML (2026-0065)
Reston, Virginia, United States
OnsiteFull Time
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
1d
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Software Engineer (Level 1)
Dulles, Virginia, United States
$76k-$114k/yr OnsiteFull Time
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
7h
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Software Test Engineer
Germantown, Maryland, United States
$56k-$74k/yr HybridFull Time
0+ YOEEntry-level software test engineer with embedded systems knowledge and willingness to learn; strong communication and collaboration.
Python, C, C++, Windows, Linux, IBM ELM
1mo
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Junior Full Stack Software Engineer (DevSecOps)
Herndon, Virginia, United States
$80k-$128k/yr OnsiteFull Time
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
2mo
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Entry Level Software Developer
Sterling, Virginia, United States
HybridFull Time
0+ YOEBachelor's in CS/Software Engineering or related field; less than 2 years' experience; ability to obtain US government security clearance; US citizenship.
Git, Java, Python, AWS, Azure, SCRUM
3mo
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Software Engineer (TS/SCI) {S}
Chantilly, Virginia, United States
OnsiteFull Time
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
3w
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Intern- Software Engineer
Herndon, Virginia, United States
$25/hr HybridInternship
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
4w
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Associate Software Engineer
Manassas, Virginia, United States
OnsiteFull Time
Bachelor’s or master’s in STEM; experience with Java, C++, Python; Git; Linux; US citizen with ability to obtain SECRET clearance; background check.
Java, C++, Python, Git, GitHub, GitLab, Linux, RHEL, Kubernetes, Docker, Podman, KVM, Helm, Jenkins, Ansible, GitOps, Nexus, Robot Framework, Shell scripting, CI/CD, Networking
6h
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Software Engineer - CTJ - Poly
Reston or Annapolis Junction
$84k-$165k/yr OnsiteFull Time
0+ YOEBachelor's degree in computer science or related technical field; experience coding in multiple languages including C, C++, C#, Java, JavaScript, or Python; ability to obtain security clearance.
C, C++, C#, Java, JavaScript, Python
4d
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Cleared Software Engineer
Chantilly, Virginia, United States
$69k-$116k/yr OnsiteFull Time
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
3w
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Associate Software Engineer
Reston, Virginia, United States
OnsiteFull Time
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
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
1w
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AWS Geospatial Software Engineer
Springfield or Chantilly or McLean or Reston
$87k-$198k/yr OnsiteFull Time
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
2w
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Junior Palantir / Maven Product Engineer
Herndon, Virginia, United States
OnsiteFull Time
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
3mo
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Software Engineer (TS/SCI) {S}
Chantilly, Virginia, United States
OnsiteFull Time
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
2w
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Chapter Next Returnship - Software Engineer (Java, C++)
Manassas, Virginia, United States
OnsitePart Time
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
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
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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Jr Full Stack Developer (Python/React.js)
Reston, Virginia, United States
$70k-$100k/yr OnsiteFull Time
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
1w
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Cyber Software Engineering Intern
Herndon, Virginia, United States
OnsiteInternship
Enrolled in Computer Science/Engineering; experience in C/C++/Python; Linux; US citizenship; ability to obtain government clearance.
C, C++, Python, Linux
6d
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2026 Emerging Missions Flight Dynamics Engineer
El Segundo or Huntsville or Chantilly or Colorado Springs or Albuquerque
$100k-$140k/yr HybridFull Time
1+ YOEMaster’s or PhD in engineering/science; 0-1 years experience; astrodynamics, trajectory design, software; C/C++, Python, MATLAB; travel; ability to obtain security clearance.
C, C++, Python, Fortran, MATLAB
1mo
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National Security Solutions (NSS) Internship – Software Engineering Intern
Chantilly, Virginia, United States
OnsiteInternship, Full Time
Pursuing science or engineering degree; proficient in Python and/or MATLAB; strong math and problem solving; able to work independently and in a team; clear communication.
Python, MATLAB
1w
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AI Engineer
Leesburg, Virginia, United States
RemoteFull Time
1+ YOEBachelor's in CS/CE/Data Science; 1-3 years ML/NLP; Python/TypeScript; LLM integration; AWS; PostgreSQL; OAuth/OIDC; security/compliance.
Python, TypeScript, FastAPI, React, OpenAI, Anthropic, Bedrock, Vertex, Azure OpenAI, AWS, Terraform, PostgreSQL, OAuth, OIDC, JWT
2w
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Software Engineering Associate Consultant (Graduating Dec 2025- Summer 2026)
Charlotte or Reston or Richmond
HybridFull Time
0+ YOEEntry-level software engineering role; bachelor’s or accelerated master’s in CS/CE/IT with graduation Dec 2025 or Spring/Summer 2026; internship/ project experience; strong communication and analytical skills.
Java, NET, CSharp, Python, Go, Android, iOS, JavaScript, React, Angular, Node.js, AWS, GCP, Azure
1mo
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AI Prompt Engineer
Ashburn, Virginia, United States
$61k-$122k/yr HybridFull Time
0+ YOEBachelor's in CS/Software Eng/IT or related; 0–3 years software development; experience with Large Language Models; Python or JavaScript/TypeScript; familiar with prompt engineering; willing to work hybrid onsite in Ashburn, VA
Python, JavaScript/TypeScript, Large Language Models
1w
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Support Engineer - FreeWheel
New York or Reston
$53k-$80k/yr OnsiteFull Time
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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Full-Stack Developer Intern
Gaithersburg, Maryland, United States
OnsiteInternship
0+ YOECurrently enrolled in a Bachelor's or Master's program in CS/Software Engineering or related field; GPA 3.2+, proficiency in JavaScript/TypeScript, front-end framework (React/Angular/Vue), RESTful APIs, relational DB, Git; strong problem-solving and communication.
JavaScript, TypeScript, React, Angular, Vue, Node.js, Python, Java, SQL, Git, Docker, Kubernetes, AWS, Azure, Google Cloud, GraphQL, REST
1w
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Engineering Apprentice (Software/Systems/Hardware)
Manassas, Virginia, United States
OnsiteFull Time
Recent high school graduate; full-time onsite in Manassas, VA; eager to learn; strong problem-solving; Windows/Microsoft proficiency; US citizen; ability to obtain DoD Secret clearance.
Linux, Jira, Python, Bash, Java, C++, SQL, Virtual Machines, Containers/Kubernetes, MATLAB
1mo
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Research Engineering Interns
State College or Reston
OnsitePart Time
0+ YOECompletion of sophomore year in Electrical Engineering, Computer Science, or Computer Engineering; strong communication; interest in software, hardware, signal processing, or RF; moderate programming skills.
Python, MATLAB, C, C++, LabView
4w
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AI/ML Intern
Reston, Virginia, United States
OnsiteInternship
0+ YOEPursuing a degree in CS/Data Science/Engineering; strong Python/ML basics; ML pipelines; platform integration; good communication.
Python, PyTorch, Pandas, Hugging Face, REST, SDK, ServiceNow, Azure OpenAI
2mo
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Intern - Undergraduate
Herndon, Virginia, United States
$16-$17/hr OnsiteInternship
0+ YOEPursuing or completed bachelor’s in CS/engineering/data science; 0-1 years software/AI experience; strong AI/ML coursework; internship preferred.
Java, Python, SQL, PostgreSQL, Git, IDEs, Prompt Engineering, LLMs, Machine Learning
1mo
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UICC Engineering Intern (Dulles, VA, US)
Dulles, Virginia, United States
OnsiteInternship
0+ YOECurrent college student pursuing a Bachelor's or Master's in computer science/engineering; 2 years completed. Proficient in C++, Java, Python, C#; experience with SQL databases; proficient with Microsoft Office; good written and verbal communication; able to work independently.
C++, Java, Python, C#, SQL, MySQL, Microsoft Office
2mo
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Intern (Application Development)
Reston, Virginia, United States
$19-$23/hr RemoteFull Time
Pursuing a degree in Computer Science, Software Engineering, Information Systems or related field; strong communication and technical writing; team collaboration; detail-oriented; able to work independently.
HTML, CSS, JavaScript, .NET, Python, C#, Java, Node.js, Okta, OAuth 2.0, OpenID Connect, Azure DevOps, Git, AWS, GitHub Copilot, Cursor
3w
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EMG STEM Summer Internship - IT/ SOFTWARE / Engineering
Herndon, Virginia, United States
OnsiteMultiple Commitments Available
Undergraduate student in STEM; proficient in at least one OO language; strong problem-solving; able to collaborate in Agile, on-site; US Citizenship; able to pass background check; commuting to Herndon, VA.
Java, Python, C++, C#
HiringCafe market data
Junior Software Engineer Python 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
49
Hiring companies
32
Fresh sample
63% new in 30d
Salary visibility
43% show pay
Companies appearing in this market
Lockheed MartinNorthrop GrummanThe Aerospace CorporationAltamira TechnologiesARKA GroupBooz Allen HamiltonCACIGame Plan Tech
Work location mix in visible results
Onsite: 37Hybrid: 9Remote: 3
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