Junior Python Developer Jobs in California, MD, US

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Junior Software Developer, Hypervelocity/C++

Dahlgren, Virginia, United States

$90k-$110k/yr OnsiteFull Time

AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.

2+ YOEBS in computer science or related field or equivalent experience; 2+ years experience; active SECRET clearance; Valid Real ID driver license; willingness to travel locally; experience in C++ (1+ years) with Python and Java; familiarity with development tools.

C++, Python, Java, Podman/Docker, JFrog, JUnit, Jenkins, Git, GitLab, JIRA, Bitbucket, Confluence

1mo

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1mo

Junior Software Engineer

Annapolis Junction, Maryland, United States

$95k-$105k/yr OnsiteFull Time

Crown Point Technologies: Provides data engineering and software development for government and commercial clients.

Bachelor’s degree or equivalent experience; basic programming knowledge; familiar with Git; strong problem-solving and communication skills.

Git, Java, Python, JavaScript, C#

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Cleared Junior Software Engineer

Annapolis Junction, Maryland, United States

OnsiteFull Time

Yellow Duck Technologies: Engineering mission-critical software and systems for the intelligence community.

3+ YOEActive TS/SCI clearance with Full Scope Polygraph; 3+ years of experience; bachelor's degree in a technical discipline; experience with Python, JavaScript, or Java; familiarity with databases and version control; strong communication.

Python, JavaScript, Java, Databases, Git

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Software Engineer, Junior

McLean or Alexandria

$55k-$126k/yr OnsiteFull Time

Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.

2+ YOETwo+ years in software development with React/Angular/Python; OO, REST/microservices; AI systems knowledge; ability to obtain Secret clearance; Bachelor's degree.

React, Angular, Python, REST, Microservices, MLflow, Kubernetes, Docker, Jenkins, SQL, NoSQL, AWS

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Junior Software Developer

Fort Belvoir, Virginia, United States

OnsiteFull Time

Applied Research Associates: Provides scientific research and engineering solutions for complex problems.

2+ YOEBS/MS in CS/Software Eng; 2+ years experience or MS; proficient in Java, Python, Golang; web tech HTML/CSS/JS and frameworks (Angular, Vue, React); Agile, Git, CI/CD; strong documentation.

Java, Python, Golang, HTML, CSS, JavaScript, Angular, Vue, React, Git, CI/CD, Docker, Kubernetes, PostgreSQL, MySQL, Redis, MongoDB

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Software Engineer - Junior Level

Annapolis Junction, Maryland, United States

$98k-$123k/yr HybridFull Time

Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.

Bachelor's in CS or related field or 4 years software engineering exp; TS/SCI with Poly; Agile; Jira/Confluence; Git; Java/C++/Python; Postgres.

Git, Java, C++, Python, PostgreSQL, Jira, Confluence, Docker, Kubernetes, Nginx, HAProxy, Elastic Stack

2mo

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2mo

Junior RF Electrical Engineer - Poly Req'd

Herndon or Washington or Quantico

OnsiteFull Time

Patriot Group International: Global mission support and intelligence services for government agencies.

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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2mo

Junior RF Electrical Engineer - Poly Req'd

Washington or Quantico or Herndon

OnsiteFull Time

Patriot Group International: Provides mission support and security services to the defense sector.

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

2mo

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2mo

Junior RF Electrical Engineer - Poly Req'd

Washington or Quantico or Herndon

OnsiteFull Time

Patriot Group International: Providing specialized security and mission support for defense and intelligence.

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

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Summer 2026 Software Developer Internship

Annapolis Junction, Maryland, United States

$26-$35/hr OnsiteInternship, Full Time

GDITNYSE: GD: Delivers IT and mission services to government agencies.

0+ YOEC/C++, JavaScript, Java, Python software development; 0+ years experience; US citizenship.

Python, Java, C/C++, Rust, JavaScript, TypeScript

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Junior RF Analyst

Springfield or Chantilly

OnsiteFull Time

KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.

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

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Software Developer

Welcome, Maryland, United States

$75k-$102k/yr OnsiteFull Time

Space Ground System Solutions: Provides engineering services for satellite ground systems and space missions.

0+ YOE0-5 years software engineering experience; Linux environment proficiency; Java, Go, JavaScript, C/C++, Python knowledge.

Java, Go, JavaScript, C/C++, Python, Linux, Red Hat Enterprise Linux (RHEL), Docker, Kubernetes, Podman, Git, Bitbucket, Jira, HTML, CSS, React, REST, JSON, WildFly

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Software Engineer

Fort Meade, Maryland, United States

$70k-$190k/yr OnsiteFull Time

Belay Technologies: Provides specialized technology and engineering services to the DoD.

0+ YOETS/SCI clearance with poly, 3 years experience with B.S. in technical discipline or 4 additional years equivalent experience; strong Python; production apps; AI concepts; streaming data; multi-model integrations.

Python, PydanticAI, Langgraph, DeepAgents, Apache Kafka, Elasticsearch, APIs, data sources

1mo

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1mo

Software Engineer

Tampa or Fort Belvoir

OnsiteFull Time

Odyssey Systems: Providing technical and engineering services to federal government agencies.

3+ YOEUS citizen; active secret clearance with ability to obtain TS/SCI; bachelor’s in CS/IS or related field with 3–6 years of experience; proficiency in Java/C#/Python/JS/TS; Git; REST/microservices; team collaboration; strong communication.

Java, C#, Python, JavaScript, TypeScript, Git, RESTful APIs, microservices, CI/CD, Docker, Kubernetes, Databases

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Associate Software Engineer

Annapolis Junction, Maryland, United States

$176k-$226k/yr OnsiteFull Time

Intelliforce: Provides engineering and technical solutions for the intelligence community.

0+ YOEEntry-level software engineer with TS/Poly, US citizenship, CS degree or equivalent, and experience in AI/ML, AWS, C++, Python, or Golang.

Terraform, AWS, C++, Python, Golang, GPU-Enabled Applications, Large-Scale Streaming Data Analytics

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AWS Geospatial Software Engineer

Springfield or Chantilly or McLean or Reston

$87k-$198k/yr OnsiteFull Time

Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients

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

2mo

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2mo

Software Engineer Intern

Alexandria, Virginia, United States

$20/hr OnsiteFull Time, Internship

American Society of Clinical Oncology: Professional organization supporting cancer care through research and education.

0+ YOECurrently enrolled in undergraduate or graduate program; experience with AWS, GCP, or Azure; Python programming; git; Office; strong communication; able to work in fast-paced team.

Amazon Web Services, Google Cloud Platform, Microsoft Azure, Git, GitHub Copilot, Terraform

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Engineer I, Data Platforms

Washington, District of Columbia, United States

$97k-$108k/yr RemoteFull Time

AARP: Nonprofit advocacy organization serving Americans aged 50 and older.

1+ YOEBachelor’s degree in IT/CS/Engineering; 1+ years in Python/SQL; data management and cloud-native tech knowledge; DevOps/Git; APIs; object-oriented data environments; collaborative, eager to learn.

Python, SQL, Git, APIs, Cloud, Data Management, Object-Oriented Programming

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Junior Foreign Affairs Analyst

Washington, District of Columbia, United States

$85k-$110k/yr HybridFull Time

MELE Associates: Provides technical and engineering services to government agencies.

Master’s degree; active DOE Q or DoD Top Secret clearance; proficiency in GIS and Microsoft 365 tools; Python; strong organization and collaboration skills; hybrid work in Washington, DC.

ArcGIS, Power Automate, Power BI, Power Apps, Python, Microsoft Office Suite

1mo

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1mo

Full Stack Software Engineer- AI Infrastructure

Annapolis Junction, Maryland, United States

OnsiteFull Time

Tiber Technologies: Providing specialized engineering and security services for federal missions.

Must be a U.S. citizen with active polygraph clearance; bachelor's degree in CS/engineering or related field; strong background in building scalable production systems and cloud/Kubernetes environments.

AWS, Kubernetes, Python, OpenTelemetry, Grafana, Prometheus, LangChain, vLLM, LiteLLM

2mo

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2mo

Engineer/Vulnerability Module & Engagement Analyst

Dahlgren, Virginia, United States

OnsiteFull Time

Ukpeaġvik Iñupiat Corporation: Provides diversified government contracting and professional services for federal agencies.

BS in Mechanical/Aerospace Engineering or closely related field; SolidWorks modeling; MATLAB or Python; strong analytical skills; experience with FMEA/FALT and TVCs preferred.

SolidWorks, MATLAB, Python, Excel, PowerPoint, Word, Project

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Test Engineer

Chantilly or Springfield

$86k-$138k/yr OnsiteFull Time

Peraton: National security and mission-critical government technology services provider.

0+ YOEBachelor's degree in CS/IT/Engineering or related STEM; 0-6 years systems integration experience; NGA/NSG/ASG and IC/DoD program experience; TS/SCI with poly.

JMeter, Jenkins, Docker, Postman, Swagger, Nexus, Apigee, GitHub/GitLab, Java, Bash, Curl, XML, JSON, SQL, Python, JavaScript, AWS, C2S

2mo

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2mo

Payload Operations Engineer

Lanham, Maryland, United States

OnsiteFull Time

AST SpaceMobileNASDAQ: ASTS: Provides global cellular broadband coverage from space to smartphones.

0+ YOEBachelor’s in engineering or STEM; 0–2 years experience; satellite payload experience preferred.

Git, Jira, Confluence, Java, Python, MATLAB, C

1mo

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1mo

AI/ML Engineer Internship

Annapolis, Maryland, United States

$28/hr HybridTemporary

Bowler Pons: Provides engineering and cybersecurity solutions to government agencies.

US citizenship; ability to obtain security clearance; Maryland resident or Maryland college student; pursuing Bachelor's/Master's in CS/CE/DS/AI; 400+ hours during internship window; proficiency in AI/ML tools and programming; experience with Linux/Windows; Agile/Lean experience.

Python, C#, JavaScript, .NET, Node, AngularJS, scikit-learn, PyTorch, TensorFlow, SciPy, MATLAB

1mo

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1mo

Systems Engineer Intern

Hollywood, Maryland, United States

$17/hr OnsiteInternship

Cogito Innovations: Designs secure networks and tactical broadband for mission-critical operations.

Currently enrolled in an undergraduate or graduate engineering program; strong analytical and communication skills; proficient in Microsoft Office; ability to work independently and in a team.

MATLAB, AutoCAD, SolidWorks, Python, Microsoft Office

1mo

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1mo

Fall 2026 Robot Learning R&D Co-op

Bedford, Massachusetts, United States

$45-$60/hr OnsiteTemporary, Internship

Berkshire Grey: Sells AI robotic systems for warehouse and logistics automation.

0+ YOEPursuing MS or PhD in robotics/ML/CS; strong Python; PyTorch; C++; Linux/ROS; ML methods; internship.

Python, C++, PyTorch, Ubuntu Linux, ROS, Machine Learning, Deep Learning

2mo

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2mo

Research Associate – Cost Analysis and Research Division

Alexandria, Virginia, United States

$69k-$110k/yr OnsiteFull Time

Institute for Defense Analyses: Provides objective scientific and technical analyses for the U.S. government.

Bachelor’s or Master’s in a quantitative field; strong communication; data work; independent and team work; programming in R/Python/STATA; ability to obtain security clearance; U.S. citizenship.

R, Python, STATA

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Entomology and Biostatistics Intern (Summer 2026)

Baltimore or Anne Arundel County or Montgomery County

$25/hr HybridInternship, Full Time

Vectech: AI-powered insect identification and vector surveillance technologies.

Degree in entomology/biological/environmental sciences or relevant coursework; statistics/geographical analysis exposure; comfortable outdoors; valid driver's license; able to work in lab and field.

Excel, Google Sheets, R, Python, ArcGIS

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Postdoctoral Associate

Alexandria, Virginia, United States

$70k/yr OnsiteFull Time

Virginia Tech: Public land-grant university providing higher education and research.

PhD in Electrical Engineering, Computer Engineering, Computer Science, or related field; PhD must be awarded within four years; expertise in federated learning and related areas; strong analytical, programming, and communication skills.

Python, C++, USRP, NVIDIA computing platform

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Project #5 - Postbaccalaureate Positions in Astrophysics Science and Solar System Exploration Divisions at NASA/Goddard Space Flight Center

Greenbelt, Maryland, United States

$49k/yr HybridFull Time

Southeastern Universities Research Association: Advancing collaborative research through partnerships with leading universities.

Recent or soon graduates with bachelor’s in astronomy, physics, computer science, mathematics, chemistry, or related science/engineering; master’s degree may apply for Project 3.

Python, UNIX, Fortran, C, C++

1mo

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1mo

AI Agent Builder Intern

National Harbor, Maryland, United States

$20/hr OnsiteTemporary, Internship

Cloudforce: Provides Microsoft cloud infrastructure and private AI solutions.

Internship offering a hands-on role in AI agent development; must be authorized to work in the U.S.; Maryland residency or recent graduate from a Maryland institution; no sponsorship available.

Python, JavaScript, Git, API integrations, NebulaONE

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Intern II

Upper Marlboro, Maryland, United States

$40k/yr OnsiteAll Commitments Available

SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.

High school and two years of college coursework; paid internship with mentorship and training in data science and software development.

Python

1mo

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1mo

Summer Camp Coding, Digital Arts, or Game Development Assistant Instructor

Alexandria, Virginia, United States

$13-$15/hr OnsiteSeasonal

Black Rocket: Provides technology and creative enrichment programs for children.

0+ YOEEntry-level summer position requiring enthusiasm for tech education; 4-10 week commitment; able to work with children ages 6-14; paid training; ability to start May online training; must be authorized to work in the United States; available 4+ weeks, Monday–Friday; rate $13-$15/hr.

Python, JavaScript, Lua, Roblox Studio, 3D Modeling, Video Editing, Minecraft, Roblox

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Digital Wargaming Development Intern

Dumfries, Virginia, United States

OnsiteInternship

Systems Planning and Analysis: Provides technical and analytical support to national security agencies.

0+ YOEPursuing undergrad/grad in engineering, math, physics, CS, stats, or OR; adaptable to tech; interested in military problems; coding experience; U.S. citizen able to obtain security clearance.

Python, Java, R, SQL, PL/SQL, C++