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Junior Python Developer Jobs in Saint James, MD, US
77 junior python developer jobs from 52 companies hiring in Saint James, MD, US.
3w
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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
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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
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
1mo
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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
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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
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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
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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
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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
1d
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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
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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
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
1w
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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
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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
3w
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Software Engineer
Columbia, Maryland, United States
$70k-$190k/yr OnsiteFull Time
3+ YOEEntry-level Software Engineer with Python proficiency; TS/SCI with polygraph; 3 years experience or 4 years substituted for a B.S.; strong software development background.
Python, Apache Kafka, Elasticsearch, PydanticAI, Langgraph, DeepAgents
5d
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Software Engineer 1 (API)
Hanover, Maryland, United States
OnsiteFull Time
Python development with Django/Flask, REST endpoints, and database experience (MongoDB/MariaDB); cloud and containerization skills preferred.
Python, Django, Flask, MongoDB, MariaDB, REST, Microservices, Swagger, AWS, Docker, Visual Studio Code, JSON, XML, Jira, Confluence, Git, Agile
4d
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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
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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
23h
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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
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
6d
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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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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
23h
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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
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
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
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
1mo
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Jr. Data Science Engineer
Rockville, Maryland, United States
$80k-$90k/yr RemoteFull Time
0+ YOEBachelor’s degree (or currently pursuing) in CS, data science, bioinformatics, statistics, engineering, or related field; experience or coursework in JavaScript/TypeScript and/or Python; familiarity with full-stack concepts; Node.js and Angular; RESTful APIs; Git; Agile/SCRUM; basic testing/debugging.
Node.js, Angular, JavaScript, TypeScript, Python, REST, Git, Agile, Testing frameworks
2w
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Platform Innovation Engineer (Rockville, MD, US, 20850)
Rockville, Maryland, United States
$54k-$70k/yr OnsiteFull Time
Bachelor's in CS/Engineering/Data or related; SQL/Python/cloud/tools experience; interest in AI-enabled systems; eager to experiment; strong communication.
Snowflake, Azure, Matillion, Power Platform, Power BI, Python, SQL, AI tooling
2w
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Dev/ MLOps Engineer I (Full Stack)
Rockville, Maryland, United States
$95k-$120k/yr HybridFull Time
0+ YOE0–3 years of software engineering/DevOps/MLOps experience; strong Python, Bash, SQL; CI/CD and cloud familiarity.
Python, Shell scripting, SQL, GitHub Actions, Jenkins, Docker, Kubernetes, Terraform, CloudFormation, AWS, Azure, GCP, NoSQL, Grafana, Prometheus, CloudWatch, JavaScript, TypeScript, API development, IoT, Distributed systems
3mo
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Jr Level Software Developer
Columbia, Maryland, United States
$94k-$144k/yr OnsiteFull Time
7+ YOESecurity clearance with poly required; 7+ years as a software engineer or 4+ years with degree substitution; BS in CS or related field, or equivalent experience; strong Java, REST, Agile, Git, and IDE skills.
Java, REST, Agile, Atlassian tools, Git, IntelliJ, Eclipse, Kotlin, Mongo, Spring, Spring Boot, Python, Kubernetes, NiFi, RabbitMQ
5d
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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
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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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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
1w
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Software Test Engineer
Germantown, Maryland, United States
$56k-$74k/yr HybridFull Time
Bachelor’s degree in Electrical Engineering, Computer Science, Computer Engineering, Software Engineering; embedded systems knowledge; strong communication; entry-level with internship experience preferred.
Python, C, C++, Windows, Linux, IBM ELM, test automation tools
2w
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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
2w
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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
5d
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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
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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
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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
3w
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Site Reliability Engineer (Clearance Required)
Reston or United States
$90k-$152k/yr RemoteFull Time
2+ YOE2+ years in cloud infra, DevOps, or systems engineering; active Top Secret clearance with SCI eligibility; BS degree; federal/DoD experience preferred; scripting (Bash, Python, PowerShell); knowledge of Linux/Unix, cloud services, monitoring/logging tools.
CloudWatch, Azure Monitor, Prometheus, ELK, Bash, Python, PowerShell
HiringCafe market data
Junior Python Developer Jobs market signals in Saint James, MD, 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
52
Fresh sample
63% new in 30d
Salary visibility
54% show pay
Companies appearing in this market
CACIThe Aerospace CorporationBooz Allen HamiltonInadevPatriot Group InternationalArcfieldARKA GroupGame Plan Tech
Work location mix in visible results
Onsite: 43Hybrid: 10Remote: 4