📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Junior Python Developer Jobs in Middletown, VA, US
77 junior python developer jobs from 43 companies hiring in Middletown, VA, US.
3w
Save
Mark Applied
Hide
Junior Software Developer
Chantilly or McLean
OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Junior Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Junior RF Electrical Engineer - Poly Req'd
Herndon or Washington or Quantico
OnsiteFull Time
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
Save
Mark Applied
Hide
Junior RF Electrical Engineer - Poly Req'd
Washington or Quantico or Herndon
OnsiteFull Time
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
3mo
Save
Mark Applied
Hide
Junior Aerospace Digital Forensics Engineer
Sterling, Virginia, United States
$67k-$133k/yr OnsiteFull Time
Bachelor's degree in STEM; proficiency in Python, C++, Rust, SQL, Matlab; strong math; ability to obtain TS/SCI; willing to work onsite in Sterling, VA.
Python, C++, Rust, SQL, Matlab
2w
Save
Mark Applied
Hide
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
2d
Save
Mark Applied
Hide
Data Engineer - Junior
Quantico, Virginia, United States
$94k-$157k/yr OnsiteFull Time
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Data Engineer, Junior
Reston, Virginia, United States
OnsiteFull Time
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
Save
Mark Applied
Hide
Junior RF Electrical Engineer - Poly Req'd
Washington or Quantico or Herndon
OnsiteFull Time
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
Save
Mark Applied
Hide
Cyber Engineer
Sterling, Virginia, United States
OnsiteFull Time
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
Save
Mark Applied
Hide
Junior RF Analyst
Springfield or Chantilly
OnsiteFull Time
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
Save
Mark Applied
Hide
Junior Data Analytics Engineer
Ashburn, Virginia, United States
OnsiteFull Time
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
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Application Developer - SME
Herndon, Virginia, United States
OnsiteFull Time
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
8h
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
2026 Enterprise Modeling and Simulation Engineer
El Segundo or Chantilly or Colorado Springs
$100k-$140k/yr OnsiteFull Time
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Project Engineer 1 - New College Grad 2025 - 2026 (E&C - Manassas, VA)
Manassas, Virginia, United States
OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
Jr. DevOps Engineer - Hybrid
Tysons or Manassas
$67k-$124k/yr HybridFull Time
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
2w
Save
Mark Applied
Hide
Test-Focused DevOps Engineer
Chantilly, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Experience with programming languages (Python, Java, or C#); testing frameworks/tools (Selenium, Appium, Cypress); testing methodologies; TS/SCI clearance; HS diploma or GED.
Python, Java, C#, Selenium, Appium, Cypress, CI/CD
1mo
Save
Mark Applied
Hide
Multidisciplinary Engineer - Flight Controls
Manassas, Virginia, United States
OnsiteFull Time
0+ YOE0–2 years experience; Bachelor's in Aerospace, Mechanical, Electrical Engineering, or Physics; familiar with MATLAB/Simulink, Python; knowledge of aircraft dynamics and controls; strong analytical and collaboration skills.
MATLAB/Simulink, Python
5d
Save
Mark Applied
Hide
Forward Deployed Engineer I, GenAI, Google Cloud
San Francisco or Atlanta or Austin or Boulder or Cambridge or Chicago or Addison or Detroit or Irvine or Kirkland or Miami or New York City or Portland or Los Angeles or Reston or Seattle or Sunnyvale or Washington D.C.
$102k-$145k/yr OnsiteFull Time
1+ YOEBachelor's degree; experience in AI, Python/Typescript; cloud experience; applied AI knowledge.
Python, Typescript, Cloud Platform, LangGraph, CrewAI, Google ADK, RAG, MCP
2w
Save
Mark Applied
Hide
Tanium Engineer, Expert
Herndon, Virginia, United States
$150k-$254k/yr OnsiteFull Time
11+ YOEBachelor's degree in a technical field and 11+ years of experience; experience with Tanium; Python, PowerShell, Bash; SIEM/SOAR integration; Linux/Windows administration; hyper-visors/virtual desktops; Windows AD/GP; Windows Server 2019/2022; AWS/EC2; REST/SOAP APIs; Splunk/Rapid7/AWS; Zero Trust Architecture; documentation (tickets, SOPs); cyberse...
Tanium, Python, PowerShell, Bash, Linux, Windows, Windows Server 2019/2022, AWS, EC2, REST, SOAP, Splunk, Rapid7, ServiceNow, GitHub, Jira, Confluence, SQL, Zero Trust Architecture
3w
Save
Mark Applied
Hide
Platform Engineer Intern - Hybrid
Herndon, Virginia, United States
HybridInternship
0+ YOEPursuing a Bachelor’s or Master’s in CS/IT or related field; strong IAM knowledge; experience with Microsoft Entra ID, Azure B2C, or AWS IAM; scripting in Python/Java/Go.
Microsoft Entra ID, Azure B2C, AWS IAM, Python, Java, Go, GitHub, Terraform, PowerShell
2w
Save
Mark Applied
Hide
DevOps Engineer
Centreville, Virginia, United States
$70k-$99k/yr HybridFull Time
0+ YOELinux server administration, DevOps tooling, IT automation, security/compliance, US citizenship with ability to obtain clearance; 0-2 years experience; STEM degree.
Linux, RHEL, Ubuntu, Ansible, Python
3w
Save
Mark Applied
Hide
Database Engineer, Government Cloud
San Francisco or Washington or Denver or Seattle or Herndon
$117k-$177k/yr OnsiteFull Time
2+ YOE2+ years in distributed apps, containers, Kubernetes, AWS, database engineering, Linux, scripting; AI tools usage; log analytics; on-call readiness.
Docker, Kubernetes, AWS, PostgreSQL, Grafana, Prometheus, ELK (Elasticsearch, Logstash, Kibana), Splunk, Python, Shell, Golang
HiringCafe market data
Junior Python Developer Jobs market signals in Middletown, 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
77
Hiring companies
43
Fresh sample
61% new in 30d
Salary visibility
48% show pay
Companies appearing in this market
CACIKBRThe Aerospace CorporationInadevNorthrop GrummanPatriot Group InternationalAltamira TechnologiesArcfield
Work location mix in visible results
Onsite: 51Hybrid: 9Remote: 2