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Junior Software Engineer Python Jobs in Manchester, MD, US

66 junior software engineer python jobs from 40 companies hiring in Manchester, MD, US.

66 jobs- Manchester • 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
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
4w
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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
1mo
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Software Engineer Junior/Mid-Level
Annapolis Junction, Maryland, United States
$144k-$190k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Provides intelligence analytics and cyber solutions for national security.
7+ YOEActive TS/SCI with polygraph; BS in CS/Engineering +7+ years or equivalent; strong software development experience; Agile practices; software documentation; QA of code.
Git, Java, C++, Python, Postgres, SQL, Jira, Confluence, Elastic Stack, AWS, Docker, Kubernetes, HAProxy, Nginx
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
1mo
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Software Engineer Junior/Mid-Level
Annapolis Junction, Maryland, United States
$144k-$190k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
7+ YOEActive TS/SCI clearance with polygraph; experience with software development in Agile; knowledge of Jira/Confluence; strong coding and documentation skills; TS/SCI with polygraph required.
Git, Java, C++, Python, Postgres, SQL
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++
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
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
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
5d
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Software Engineer 1 (API)
Hanover, Maryland, United States
OnsiteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
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
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
5h
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Software Engineer - CTJ - Poly
Reston or Annapolis Junction
$84k-$165k/yr OnsiteFull Time
Microsoft
Microsoft: Provides software, cloud computing, and hardware technology products.
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
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
2w
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Summer 2026 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteInternship
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
0+ YOE0+ years of related experience; US citizenship; programming in Python/Java/C/C++/JavaScript; knowledge of software development lifecycle; collaborative teamwork.
Python, Java, C/C++, Rust, JavaScript/TypeScript
3w
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Associate Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
No prior experience required; Bachelor’s in CS or related field preferred; TS/SCI with Poly clearance; Linux development environment; languages include C/C++, Python; Git/GitLab; Agile; geospatial processing and SDR familiarity preferred.
Linux, C/C++, Python, Git, GitLab, VS Code, Eclipse, Agile
3w
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Junior Agile Developer
Annapolis Junction, Maryland, United States
$129k-$165k/yr OnsiteFull Time
Intelliforce
Intelliforce: Provides engineering and technical solutions for the intelligence community.
3+ YOETop Secret clearance with Full Scope Poly, U.S. citizenship, Bachelor's degree or equivalent, 3 years of relevant experience (or Master's plus 1 year), active TS clearance with CI poly within last 5 years.
Java, Spring Boot, Python, AWS, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, NoSQL, MongoDB, DynamoDB, OAuth, OIDC, Cypress, Cucumber
1mo
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Embedded Software Test Engineer I
New Freedom, Pennsylvania, United States
$75k-$103k/yr OnsiteFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
2+ YOE2+ years in software development/testing; experience in embedded systems; C/C++, Python; hardware test tools; US citizen or permanent resident.
C, C++, Python, oscilloscopes, logic analyzers, JTAG
1mo
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Junior Full Stack Engineer
Baltimore, Maryland, United States
$78k-$101k/yr RemoteFull Time
Index Analytics
Index Analytics: Delivers data strategy and IT solutions to federal health agencies.
4+ YOEUS citizenship or work authorization in the US; ability to obtain a government badge; 4+ years experience with a Bachelor’s or 2+ years with a Master’s; strong SQL and Python; DevSecOps familiarity; strong communication; government experience a plus.
AWS, Jenkins, CI/CD, PostgreSQL, Aurora, S3, Secrets Manager, SSM, Infrastructure as Code
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
DLA Piper
DLA Piper: Global law firm providing comprehensive legal and business services.
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
2mo
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Software Engineer Level 0
Fort Meade, Maryland, United States
$85k-$95k/yr OnsiteFull Time
Markon
Markon: Provides management consulting and technical services to government agencies.
0+ YOETS/SCI with active poly, BS in CS/Engineering or 4 years relevant Linux/software experience, strong C++/Java, scripting skills.
C++, Java, Shell, Python, JavaScript, Bash, Perl
2mo
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Cloud Software Engineer 1
Fort Meade, Maryland, United States
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
0+ YOEActive TS/SCI with current polygraph; BS in CS or related field with 0 yrs experience or 4+ yrs in lieu of a degree; experience in software development, cloud engineering; Java, Python, or C++; Linux; cloud platforms; containers; CI/CD; IaC.
Java, Python, C++, Linux, Docker, Kubernetes, Terraform, Ansible, AWS, Azure, GCP, CI/CD
2mo
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Intern - MOPS Software Development
Lanham, Maryland, United States
OnsiteInternship
AST SpaceMobile
AST SpaceMobileNASDAQ: ASTS: Building a space-based cellular broadband network for smartphones.
0+ YOEPursuing CS or aerospace engineering; strong Python; knowledge of CI/CD; junior-level; 14-week internship.
Python, C++, CI/CD tools, Git, Documentation tools, Automated testing frameworks, Confluence, Markdown
1mo
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2026 Fall Co-Op - Software Engineer (Sea Systems) - Hunt Valley, MD
Hunt Valley, Maryland, United States
$26-$31/hr OnsiteInternship, Full Time
Textron
TextronNYSE: TXT: Manufactures aircraft, defense systems, and industrial specialized vehicles.
Pursuing bachelor’s in CS/CE/CIS/MIS; familiar with C/C++, C#, Python, or Java; able to commit ~40 hrs/week in summer; US citizenship for security clearance.
C, C++, C#, Python, Java
6d
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Software Engineer Full Stack & Application Development II (Full Time) – United States
San Jose or New York or Boston or Knoxville or Austin or Milpitas or Alpharetta or Raleigh (RTP) or Maynard or Fulton or Dallas or Atlanta or Hillsboro
HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
0+ YOEBackend in Python/C++/Java; frontend JS/TS; REST/GraphQL/gRPC; SQL/NoSQL; cloud familiarity (AWS/Azure/GCP).
Python, C++, Java, JavaScript, TypeScript, REST, GraphQL, gRPC, SQL, NoSQL, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Ansible, CloudFormation, GitHub Actions, Jenkins, CircleCI, Grafana, Prometheus, Splunk, React, Angular, Vue
2w
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Dev/ MLOps Engineer I (Full Stack)
Rockville, Maryland, United States
$95k-$120k/yr HybridFull Time
Origin AI
Origin AI: AI-powered WiFi sensing for human presence and activity detection.
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
1mo
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Software Engineering Internship 2026
Columbia, Maryland, United States
OnsiteInternship
Astrion
Astrion: Delivering engineering and mission support services to government agencies.
Pursuing Bachelor's in engineering or computer science; GPA 3.0+; ability to obtain US DoD security clearance; strong communication and analytical skills; programming in MATLAB, Python, C++, Java; familiar with CAD and data analysis.
MATLAB, Python, C++, Java, Microsoft Office
2mo
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SkillBridge Research Engineer – Cyber/EW
Columbia, Maryland, United States
OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
0+ YOEDemonstrated passion for technology; programming in C/C++, Python; hardware/software design and debugging; strong communication; active Top Secret clearance.
C, C++, Python, Embedded systems, ID A Pro, Ghidra, gdb, WinDbg, Linux, Windows, ARM, Arduino, Raspberry Pi, TCP/IP, wireshark, tcpdump, TLS/SSL
2mo
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Test Engineer
Annapolis Junction, Maryland, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides management and technology consulting to government and commercial clients.
1+ YOEExperience with automated testing, Python development, DevOps, and CI/CD; TS/SCI clearance with polygraph.
Python, PyTest, unittest, nose2, doctest, Robot, tox, hypothesis, CI/CD, Splunk, Jenkins
1mo
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Software Engineering Intern (Cyber focus)
Edgewood, Maryland, United States
$15-$35/hr OnsiteFull Time, Internship
Smiths Group
Smiths GroupLondon Stock Exchange: SMIN: Global engineering of mission-critical components for industrial markets.
Pursuing Bachelor's or Master’s in CS/CE/Cybersecurity; Python scripting; Linux/Windows admin; REST APIs; vulnerability scanning concepts; automation/DevOps familiarity; strong communication.
Python, REST APIs, JSON, CSV, XML, Linux, Windows, Jira, Nessus, Ollama
2w
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Platform Innovation Engineer (Rockville, MD, US, 20850)
Rockville, Maryland, United States
$54k-$70k/yr OnsiteFull Time
Aramark
AramarkNYSE: ARMK: Provides food and facility management services to diverse organizations.
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

HiringCafe market data

Junior Software Engineer Python Jobs market signals in Manchester, 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
66
Hiring companies
40
Fresh sample
51% new in 30d
Salary visibility
73% show pay

Companies appearing in this market

Boeing Intelligence & AnalyticsBelay TechnologiesCACIJohns Hopkins University Applied Physics LaboratoryParsonsQueveraVisionistGeneral Dynamics Information Technology

Work location mix in visible results

Onsite: 47Hybrid: 9Remote: 3