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Junior Software Engineer Python Jobs in Baltimore, MD, US

150+ junior software engineer python jobs from 85 companies hiring in Baltimore, MD, US.

153 jobs- Baltimore • 50 miles
1mo
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Junior Software Engineer (Python)
Columbia, Maryland, United States
$115k-$160k/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; strong Python; production applications; AI concepts; Kafka; collaboration with analysts.
Python, PydanticAI, LangGraph, Apache Kafka, Elasticsearch
1w
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Software Engineer, Junior
McLean or Alexandria
$55k-$126k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOE2+ years software development with React/Angular/Python; OO, REST/microservices; AI/ML concepts; ability to obtain Secret clearance; Bachelor's degree.
React, Angular, Python, REST APIs, Microservices, Kubernetes, Docker, Jenkins, SQL, NoSQL, MLflow, AWS
2mo
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Junior Software Engineer
Baltimore, Maryland, United States
OnsiteFull Time
Baltimore Orioles
Baltimore Orioles: Professional baseball team providing sports entertainment and events.
Bachelor’s degree in Computer Science or Information Systems; experience with Python, Java, C++, Ruby, or JavaScript; experience leading all SDLC phases; data integration experience; ability to gather requirements and work with users; available for non-traditional hours.
Python, Java, C++, Ruby, JavaScript, SQL, AWS S3, AWS Lambda, AWS SQS, Django, R
1mo
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Junior Software Developer
McLean, Virginia, United States
OnsiteFull Time
Prescient Edge
Prescient Edge: Provides intelligence, security, and defense support services.
BS in CS/CE or equivalent, US citizen, software development experience, able to lift 20-50 lbs, willing to travel up to 25%, ability to obtain/maintain Secret/Sensitive clearance.
Java, JavaScript, Python, SQL, OWL, CSS, C++, C#, Bootstrap, XML, HTML, WSD1L
3w
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Junior Software Developer
Chantilly or McLean
OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
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
3w
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Junior Software Engineer - Intern
Fairfax, Virginia, United States
OnsiteInternship
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
US Citizen; pursuing Bachelor's or Master’s in Computer Science or Engineering; programming in Python, C++, Java; Linux familiarity; strong teamwork, writing, and presentation skills; ability to learn quickly in a fast-paced environment; self-motivated.
Python, C++, Java, Linux
1mo
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Junior Software Engineer
Annapolis Junction, Maryland, United States
$95k-$105k/yr OnsiteFull Time
Crown Point Technologies
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#
4d
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Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
Boeing Intelligence & Analytics
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
1mo
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Software Developer – Junior (Team 01)
Washington, District of Columbia, United States
$100k-$115k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
1+ YOEJunior software developer with 1+ year experience in backend/full-stack; TS/JS/Java/Go/Python/.NET; Agile; Git; TS/React; Top-Secret clearance with SCI eligibility; BS in CS/IS/Engineering or related field.
Java, JavaScript, Go, Python, Typescript, .NET, Java Spring, Node.js, Go Gin, AngularJS, React, NextJS, Hibernate, Struts, Git, Jira, Jenkins, Terraform, Nexus, Ansible, Ansible Tower, AWS, Azure, Linux, Windows Server
1w
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Cleared Junior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Yellow Duck Technologies
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
4d
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Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Provides intelligence analytics and cyber solutions for national security.
0+ YOEBachelor's in CS or related field or 4 years of software engineering experience; TS/SCI with poly; Agile, Jira/Confluence; experience with Java/C++/Python, Git, Postgres; AWS preferred.
Git, Java, C++, Python, PostgreSQL, Jira, Confluence, AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack
1w
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Software Engineer, Junior
McLean or Alexandria
$55k-$126k/yr OnsiteFull Time
Booz Allen Hamilton
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
3w
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Junior C# Software Engineer
Bethesda, Maryland, United States
$67k-$133k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
0+ YOEEntry-level C# and Python software engineer with US citizenship, secret clearance, and a BS in CS/SE/aerospace; 0-3 years; strong problem solving and communication.
C#, Python
5d
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Junior Software Developer
Fort Belvoir, Virginia, United States
OnsiteFull Time
Applied Research Associates
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
1mo
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Software Engineer - Java, Python, node.js, JavaScript, HTML (2026-0065)
Reston, Virginia, United States
OnsiteFull Time
Acclaim Technical Services
Acclaim Technical Services: Provides language and intelligence services to U.S. federal agencies.
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 Developer
Rosslyn, Virginia, United States
OnsiteFull Time
ActioNet
ActioNet: Provides IT modernization and cybersecurity services for government agencies.
0+ YOEEntry-level software developer with 0–3 years of experience; strong foundation in programming; basics of Python, Java, or C#; familiar with Agile/Scrum; good communication and documentation skills; willingness to learn; Azure Dev/Cert preferred.
Python, Java, C#, Agile, Scrum, Azure, Microsoft Certified: Azure Developer Associate
3w
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Software Engineer
Columbia, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
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
1mo
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Software Engineer Junior Level
Linthicum, Maryland, United States
$100k-$200k/yr OnsiteFull Time
Integrity Technology Consultants
Integrity Technology Consultants: Provides engineering and management consulting solutions to US national security.
7+ YOETS/SCI with polygraph; 7+ years SWE experience; Bachelor’s in CS or related field with 4 years’ experience substitution; strong analytics; Pig; PySpark.
Pig, PySpark, Python, Java, Scala, NiFi, Ansible
2w
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Software Developer
Welcome, Maryland, United States
$75k-$102k/yr OnsiteFull Time
Space Ground System Solutions
Space Ground System Solutions: Provides engineering services for satellite ground systems and space missions.
5+ YOE0-5 years software engineering experience; Linux proficiency; Java/Go/JavaScript/C/C+/Python; React/Web tech; on-call rotation; US citizenship for security clearance.
React, Java, Go, JavaScript, C/C++, Python, Linux, RHEL, Kubernetes, Docker, Podman, Git, Bitbucket, Jira
1w
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Associate Software Engineer
Annapolis Junction, Maryland, United States
$176k-$226k/yr OnsiteFull Time
Intelliforce
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
2mo
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Associate CNO Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
ManTech
ManTech: Delivers technology and cybersecurity solutions to national security agencies.
4+ YOEBS in technical discipline or HS diploma with 4+ years in software development; Python or C/C++; troubleshooting.
Python, C, C++
5d
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Software Developer (Systems Software Expert
McLean, Virginia, United States
RemoteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
TS/SCI clearance required; strong background in software development for intelligence analysis; experience with Python, PostgreSQL, AWS; full stack development in cloud environments; front-end and back-end skills.
Python, PostgreSQL, AWS, SQS, Docker, Kubernetes, CSS, HTML, JavaScript, Git
1w
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Software Test Engineer
Germantown, Maryland, United States
$56k-$74k/yr HybridFull Time
Wabtec
WabtecNYSE: WAB: Manufacturer of equipment and digital solutions for rail transportation.
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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Simulation Software Engineer
Laurel, Maryland, United States
$85k-$195k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
0+ YOEBS in CS/CSE/EE/Physics/Applied Mathematics; experience in C++ and scientific computing; Python/ Matlab; team software practices; security clearance eligibility
C++, Python, Matlab/Simulink, TensorFlow, PyTorch, CUDA, Linux, Windows, CMake, Visual Studio
2mo
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Junior CNO Developer (Onsite)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Nightwing
Nightwing: Provides cybersecurity and intelligence solutions for government agencies.
1+ YOEBachelor's degree or 4 years of related experience; 1 year programming in Assembly, C, C++, Java, Perl, or Python; 1+ year development in Windows/.NET or UNIX environments.
Python, C, C++, Java, Perl, Assembly, PowerShell, Bash, Visual Studio, .NET, Git, IDA Pro, Ghidra, OllyDbg
1mo
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Software Engineer
Tampa or Fort Belvoir
OnsiteFull Time
Odyssey Systems
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
3w
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CyberTron Contract: Software Engineer I
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEEntry-level software engineer with skills in Java/C/C++, Python, or JavaScript; knowledge of backend, web apps, and microservices; DoD environment familiarity preferred.
Java, C/C++, Python, JavaScript, Backend development, Web technologies, Microservices, SQL
1w
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Junior/Mid Full Stack Software Engineer
Bethesda, Maryland, United States
RemoteFull Time
Black Canyon Consulting
Black Canyon Consulting: Provides specialized IT and scientific support to federal agencies
1+ YOE1–4 years experience; strong Python; React/Next.js; APIs (GraphQL/REST); Docker; Linux; authentication; automated testing; full-stack exposure.
Python, React, Next.js, GraphQL, REST, Docker, Linux, Selenium, Testing frameworks
1mo
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Junior Full Stack Software Engineer (DevSecOps)
Herndon, Virginia, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
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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Software Engineer
Fort Meade, Maryland, United States
$145k-$153k/yr OnsiteFull Time
Red Arch Solutions
Red Arch Solutions: Provides IT and engineering solutions for the intelligence community.
7+ YOETS/SCI clearance with active poly; Bachelor's in CS or related, or 4 extra SWE years; 7+ years as SWE; experience with Java, Python, CI/CD, containers; agile workflow; Spring/Jenkins/MySQL; leadership on projects.
Java, Python, Git, Shell, Nexus, Maven, JavaScript, HTML/CSS, JUnit, IDEs, Docker, Kubernetes, OpenShift, GitLab CI, Spring Framework, Jenkins, Hibernate, MySQL, Web Services, Vaadin
3w
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Software Engineer, Level 0 (FORECASTED)
Fort Meade, Maryland, United States
OnsiteFull Time
Independent Software
Independent Software: Provides software and systems engineering for national security missions.
0+ YOEEntry-level software engineer with basic programming knowledge, SDLC understanding, and strong analytical skills.
Java, Python, C++
1w
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NLM Software Engineer I
Bethesda, Maryland, United States
$70k-$95k/yr OnsiteFull Time
Lexical Intelligence
Lexical Intelligence: Develops NLP software for biomedical research and portfolio analysis.
2+ YOE2+ years software development experience; BS/degree in CS/SE; proficiency in Python/Java/JavaScript/C++/R/SQL; SDLC and secure coding; web app development; Git; strong communication; US work authorization with Public Trust clearance.
Python, Java, JavaScript, C++, R, SQL, Matlab, SAS, ETL, MySQL, MongoDB, Jupyter Notebooks, Git, GitHub, GitLab, Linux, Docker, Kubernetes, REST, AWS, Google Cloud, Azure, CI/CD, US-CERT, OWASP
3mo
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Jr Level Software Developer
Columbia, Maryland, United States
$94k-$144k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cybersecurity and IT infrastructure services for government agencies.
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
3w
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Junior Computer Scientist/Engineer
Aberdeen, Maryland, United States
$75k-$131k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEBachelor's in engineering or related field with 2 years software development experience; programming in Python/C++/Java; SECRET clearance required.
Python, C++, Java, Cloud platforms
2w
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Summer 2026 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteInternship, Full Time
GDIT
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
2w
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Junior Java Developer (Remote Opportunity)
Washington or Philadelphia
RemoteFull Time
VetsEZ
VetsEZ: Digital transformation and healthcare IT services for government agencies.
0+ YOEEntry-level Java developer with a BS in CS/IT/Engineering; knowledge of Java or similar; basic full-stack concepts; strong problem-solving and communication; ability to work in Agile team.
Java, C#, Python, JavaScript, PHP, React, Angular, Node.js
3w
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Intern- Software Engineer
Herndon, Virginia, United States
$25/hr HybridInternship
Vbrick
Vbrick: Secure enterprise video platform for live and on-demand streaming.
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
1mo
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Software Engineer (entry level)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Root Source
Root Source: Providing specialized software and systems engineering for government agencies.
Bachelor's degree in Computer Science or equivalent experience; US Citizenship; TS/SCI with Poly; experience with JavaScript, Node.js, Java, Python, Git, testing.
JavaScript, Node.js, Java, Python, Git, Jest, IDE, Spring Boot, Django, Virtualization, Streaming frameworks, Testing
1w
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Software Engineer Level 0
Annapolis Junction, Maryland, United States
$89k-$140k/yr OnsiteFull Time
DCCA
DCCA: Provides IT and engineering solutions for government and defense agencies.
TS/SCI with poly required; strong Java and Python; experience with GitLab/Jira; CI/CD; Agile methods; knowledge of Docker/Kubernetes; RESTful services.
Java, Java SE, Java 8, Java 17, Python, Git, Shell/Bash, Nexus, Maven, JUnit, Eclipse IDE, VS Code, JavaScript/HTML5/CSS3, Jira, GitLab, Docker, Podman, Kubernetes, OpenShift, Spring Boot
1mo
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Software Engineer SWE 0
Jessup, Maryland, United States
OnsiteFull Time
LifeCycle Corporation
LifeCycle Corporation: Strategic technology and branding solutions for federal and private sectors.
0+ YOEBachelor’s degree in Computer Science or related discipline or four years of SWE experience; TS/SCI with Poly clearance; Linux proficiency; Python/C++/Java/JavaScript; Git/GitLab; Agile/Scrum.
Python, C++, Java, JavaScript, Git, GitLab, VSCode, Eclipse

HiringCafe market data

Junior Software Engineer Python Jobs market signals in Baltimore, 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
150+
Hiring companies
85
Fresh sample
55% new in 30d
Salary visibility
68% show pay

Companies appearing in this market

Booz Allen HamiltonBoeing Intelligence & AnalyticsAmentumCACIQueveraSpace Ground System SolutionsJohns Hopkins University Applied Physics LaboratoryParsons

Work location mix in visible results

Onsite: 61Hybrid: 12Remote: 3