Python Software Developer Jobs in California, MD, US

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Python Developer

Lexington Park, Maryland, United States

$55k-$126k/yr OnsiteFull Time

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

Software development experience with Python/JavaScript/Scala; ability to obtain Secret clearance; HS diploma or GED; desirable ML/AI knowledge.

Python, JavaScript, Scala, AI/ML tools

1mo

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1mo

Python Developer (Cybersecurity)

Dahlgren, Virginia, United States

OnsiteFull Time

TMC Technologies: Provides engineering and IT services to government and defense clients.

Develop software and security tools using Python; ability to obtain Secret security clearance; Bachelor's in Computer Science or Cybersecurity; on-site at NSWC Dahlgren.

Python

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Senior Software Developer

Fort Belvoir, Virginia, United States

OnsiteFull Time

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

6+ YOESenior software developer with 6-10 years of experience in software development; strong Java, Python, web tech, cloud, containers; Agile leadership; TS/SCI upgrade path.

HTML, CSS, JavaScript, Angular, Python, Java, Golang, Vue, React, AWS, Azure, GCE, Docker, Kubernetes, Helm, CI/CD, SQL, NoSQL, Postgres, MySQL, Redis, MongoDB

1mo

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1mo

Software Developer

Dahlgren, Virginia, United States

OnsiteFull Time

Technical Intelligence Solutions: Provides specialized engineering and cloud solutions for defense missions.

3+ YOE3+ years in software development; OO programming in Python/Go/C#/Java; version control; CI/CD (GitLab); containerization; PowerShell/Bash automation; HS diploma or GED.

Python, Go, PowerShell, Bash, Git, DOTNET, C#, Java, JavaScript, SQL, Linux, Windows, Docker, Kubernetes, Rancher, PostgreSQL, MySQL, SQL Server, MongoDB, jQuery, d3, React, Vue, AWS, Azure, APIs

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Software Developer

Springfield, Virginia, United States

OnsiteFull Time

ManTech: Provides technology solutions for defense and intelligence agencies.

8+ YOE3+ MgmtSenior software developer with 8+ years’ experience, leadership 3+ years, strong Python/Java/C++/JavaScript, secure coding, Agile/Scrum, Git, cloud, containers, SQL/NoSQL.

Python, Java, C++, JavaScript, Git, Docker, Kubernetes, SQL, NoSQL, Agile, Scrum

1mo

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1mo

Software Engineer/Developer

Quantico or Gainesville

OnsiteFull Time

Redhorse: Delivering data insights and technology solutions to government agencies.

3+ YOETS clearance, BS in CS/CE or related field, 3+ years software development, proficiency in C#/C++/Java/Python, scripting (Bash/PowerShell/Perl).

C/C++, C#, Java, Python, Bash, PowerShell, Perl, Docker, Kubernetes, AWS, Azure, GCP, Wireshark, tcpdump, IDAx, HexRays, OllyDbg

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Software Engineer 3 - Go/Python/Kubernetes/Kafka/Ansible

Annapolis Junction, Maryland, United States

$130k-$270k/yr OnsiteFull Time

Captivation Software: Provides specialized software engineering for the intelligence and defense communities.

20+ YOESenior software engineer with TS/SCI clearance, 20 years SWE experience; BS in CS/CE/EE; Go/Python; Kubernetes, Helm, GitOps, Terraform, Ansible; lead architecture and mentor engineers.

Go, Python, Kubernetes, Helm, GitOps, Kafka, Terraform, Ansible

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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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Expert Software Engineer

Springfield, Virginia, United States

$197k-$218k/yr HybridFull Time

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

6+ YOE3+ years AWS, 6+ years Agile software development, Python, DevSecOps/CI-CD, IaC, containers, TS/SCI poly, security clearance

AWS, Python, GitLab, Terraform, CDK, Docker, Kubernetes, OpenShift, SAFe, Jira, Confluence, SageMaker

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Software Engineer

Dayton or Patuxent River or Beavercreek Township

HybridFull Time

Applied Research Solutions: Providing technical engineering and mission support to defense agencies.

5+ YOEExperienced software developer for classified cloud platform with TS/SCI clearance required.

Golang, Python, Bash, PowerShell, JavaScript/Node, Docker, Kubernetes, Podman, PostgreSQL, SaltStack

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Software Developer

Dahlgren, Virginia, United States

HybridFull Time

Zekiah Technologies: Provides software development and geospatial engineering services.

5+ YOEFive years of professional software development experience; Agile experience; DoD exposure a bonus; security clearance required; BS in CS/Engineering or related field; CISSP/Security+ preferred.

C/C++, C#, .NET, Java, Python, Amazon Web Services, PHP, Data Science (coding), WPF, MVC

1mo

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1mo

Software Developer

Springfield, Virginia, United States

$118k-$201k/yr OnsiteFull Time

BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.

3+ YOEBachelor’s degree in CS/IS/Engineering; at least 3 years development experience; proficiency in Python, Java, Perl, Angular, HTML/CSS, XML, Tomcat/Solr, Oracle, Postgres; experience in cloud and REST APIs.

Python, Java, Perl, Angular, HTML, CSS, XML, Apache Tomcat (Solr), Alfresco, Oracle, Postgres, REST APIs, AWS

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Software Engineer

Annapolis Junction, Maryland, United States

OnsiteFull Time

Base-2 Solutions: Delivers engineering and technology services for national security.

14+ YOEFourteen years of software engineering experience; BS in CS; Go, Python, Terraform, AWS; large-scale data processing and real-time systems.

Go, Python, Terraform, AWS

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Software Developer

Chantilly or Bowie

$80k-$128k/yr OnsiteFull Time

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

5+ YOEU.S. citizenship; ability to obtain/maintain Public Trust; degree with experience (see details); cloud and software development experience; REST APIs and microservices; Agile/DevSecOps; FAA/NAS familiarity desired.

AWS, Azure, GCP, Java, Python, C#, REST APIs, Docker, Kubernetes, Terraform, CloudFormation, ARM templates, DevSecOps, CI/CD, Relational databases, NoSQL, Agile

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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

2mo

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2mo

Senior Software Engineer

Annapolis Junction or Columbia

OnsiteFull Time

Freedom Technology Solutions Group: Technical consulting and engineering for the national security community.

7+ YOESenior software engineer with 7+ years SWE experience; BS in CS required; strong Java/Python, CI/CD, and security clearance with polygraph; experience with Agile; ability to design, develop, and deploy software.

Java, Python, Git, Shell, Maven, JavaScript, HTML, CSS, JUnit, IDE, Spring, Jenkins, Hibernate, MySQL, Web Services, Google Web Toolkit, Vaadin, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube

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Software Engineer

King George, Virginia, United States

OnsiteFull Time

Southeastern Computer Consultants: Engineering and training solutions for military weapon systems.

5+ YOEActive Secret clearance, US citizen, BS in engineering/science/technical field, 5 years software engineering experience, strong Java/C++/Python, Linux, Windows, Git, Jira, and multithreading.

Java, C++, Python, Git, Jira, Linux, Windows, Multithreading, JavaFX, JUnit, Mockito, Network programming in Java

1mo

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1mo

Software Engineer (Hybrid)

Alexandria, Virginia, United States

HybridFull Time

Akima: Delivers mission-critical services and technology to federal agencies.

4+ YOEUS citizen; SECRET clearance; BS in software engineering or computer science; 4+ years of hands-on software development; experience with CI/CD, distributed systems, networking, embedded software.

C++, Java, Python, .NET, SQL, MySQL, Oracle, GitLab, Docker, Kubernetes, FPGA interfaces, SDR, USRP, HackRF, BladeRF

1mo

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1mo

1655 - Software Developer

Patuxent River, Maryland, United States

$90k-$120k/yr OnsiteFull Time

Sigma Defense: Develops tactical communications and intelligence systems for defense.

2+ YOE2-5 years software development experience; Java; Linux (RHEL); containerized microservices; US citizen; bachelor's degree; active Secret clearance or higher

Linux, RHEL, Java, Python, Atlassian Tools, Docker

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Software Engineer

Springfield, Virginia, United States

OnsiteFull Time

ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.

4+ YOEBachelor’s degree in Computer Science or related STEM field; US citizenship; Active Top Secret/SCI with CI-Poly eligibility; 4+ years of enterprise software experience; proficiency in C++, Python, JavaScript; Agile environment experience.

GitLab, Jira, Kubernetes, OpenShift, Linux, Bash, Python, C++, JavaScript

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Senior Software Engineer

Annapolis Junction, Maryland, United States

$212k-$265k/yr OnsiteFull Time

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

14+ YOEAt least 14 years of software engineering experience; bachelor's in Computer Science; active TS/SCI with polygraph; Linux development; proficiency in Python, C++, Java, or JavaScript; experience with Jira/Confluence and GitLab/GitHub.

Linux, Jira, Confluence, GitLab, GitHub, Python, C++, Java, JavaScript

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Software Developer

Vienna, Virginia, United States

OnsiteFull Time

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

8+ YOEActive TS/SCI with Polygraph; Bachelor's degree; minimum 8 years experience; experience in modern languages (Java, C#, Python, JavaScript/TypeScript); source control (Git); team collaboration; documentation.

Java, C#, Python, JavaScript, TypeScript, Git

2mo

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2mo

Software Engineer 2

Annapolis Junction, Maryland, United States

OnsiteFull Time

RealmOne: Provides advanced technology and cybersecurity for national security missions.

14+ YOE14+ years software engineering experience; bachelor's in CS; current security clearance; full-stack and infra experience; Kubernetes, CI/CD, Go/Python/TypeScript; GitOps; Docker; Linux.

Kubernetes, Helm, GitOps, ArgoCD, Fleet, Docker, Go, Python, TypeScript, Linux

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Principal Software Engineer for Integration & Test

Arlington or Dayton or Remote or Woburn

$206k-$284k/yr HybridFull Time

Systems & Technology Research: Develops advanced technology for national security and defense applications.

5+ YOELead real-time software development for RF sensor systems; open architecture, C/C++, MATLAB/Python prototypes, travel ~20%, security clearance required.

C++, Python, MATLAB, CUDA, OpenCL, Linux, Embedded systems, CI/CD, Containerization

2mo

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2mo

Software Developer (Mid-Level)

St Inigoes, Maryland, United States

$111k-$185k/yr OnsiteFull Time

Scientific Research Corporation: Advanced engineering providing technology solutions for national security.

3+ YOEBachelor's degree in CS/SE or related field; Top Secret/SCI clearance; 3+ years software development experience; DoD-focused security practices knowledge.

C, C++, Java, Python, C#, Git, SVN, Jenkins, Azure DevOps, OWASP, NIST 800-53

2mo

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2mo

Software Engineer (NH-2)

Annapolis Junction, Maryland, United States

$180k-$205k/yr OnsiteFull Time

Legato: Provides IT engineering services to the national intelligence community.

14+ YOEPython, Docker/Kubernetes; AWS and ML experience preferred; 14 years software engineering experience; bachelor’s degree or 18 years total experience.

Python, Docker, Kubernetes, AWS, PyTorch, NumPy, Pandas, Scikit-learn, GitOps, EC2, S3, RDS

2mo

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2mo

Senior Software Engineer

Severn, Maryland, United States

HybridFull Time

Lockheed MartinNYSE: LMT: Designs and builds advanced aerospace and defense systems.

Experience in embedded software for space systems; proficiency in C/C++, Python; Agile; US citizen with ability to obtain security clearance.

C/C++, Python, Rust, Microsoft Windows, GNU/Linux

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Senior Software Engineer

Gambrills, Maryland, United States

$91k-$130k/yr HybridFull Time

WabtecNYSE: WAB: Manufacturer of equipment and digital solutions for rail transportation.

7+ YOE7+ years building scalable software; Java/C/C++, C#, Python; RESTful APIs; Agile/Scrum; strong communication.

Java, C/C++, C#, Python, Node.js, JavaScript, RESTful APIs, Agile/Scrum

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Custom Software Engineer

Annapolis Junction, Maryland, United States

$130k-$265k/yr OnsiteFull Time

Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.

14+ YOEBachelor’s degree and 14+ years of software engineering experience; Linux environment; C++ and Java; scripting languages (Shell, JavaScript, Bash, Python).

C++, Python, Java, Shell, JavaScript, Bash

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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

2mo

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2mo

Software Engineer

Fort Meade, Maryland, United States

$180k-$195k/yr OnsiteFull Time

Red Arch Solutions: Providing data-centric IT solutions for the intelligence community.

14+ YOETS/SCI clearance with active poly; Bachelor's in CS; 14 years SWE experience preferred; experience with Java, Python, containers, CI/CD; Agile; team lead responsibilities.

Java, Python, Git, Shell, Nexus, Maven, JavaScript, HTML5, CSS3, JUnit, IDEs, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube, Spring, Spring Tool Suite, Hibernate, MySQL, Web Services, Vaadin

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Software Developer - NASA

Annapolis, Maryland, United States

RemoteFull Time

INNOVIM: Delivers data engineering and scientific solutions to federal agencies.

3+ YOEProficiency in Python, Clojure, Node.js; Git; cloud platforms (AWS, Azure, Google Cloud); Redis; containerization; strong problem-solving and communication.

Python, Clojure, Node.js, Git, AWS, Azure, Google Cloud, Redis, Docker, Kubernetes, GraphQL, ElasticSearch

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Software Engineer II

Arlington, Virginia, United States

$106k-$169k/yr HybridFull Time

MastercardNYSE: MA: Global payment processing and financial technology service provider.

Software Engineer with strong Python and SQL, big data experience, and cloud exposure; bachelor’s degree in CS/IT/IS; able to work in a hybrid role in Arlington, VA.

Python, Spark, Hive, Impala, Databricks, AWS

1mo

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1mo

Senior Software Engineer

Quantico, Virginia, United States

RemoteFull Time

ThinkTek: Provides management and IT consulting services to federal agencies.

8+ YOESenior software engineer with 8+ years' experience in software architecture, systems integration, and cybersecurity for enterprise/simulation environments.

Python, Java, C++, JavaScript, Cloud (AWS/Azure), Containers, Microservices, APIs, CI/CD, DevSecOps

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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

2mo

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2mo

Software Engineer Level 3

Fort Meade, Maryland, United States

$235k-$255k/yr OnsiteFull Time

Markon: Provides management consulting and technical services to government agencies.

20+ YOESenior software engineer with TS/SCI w/ poly, BS in CS/Engineering, 20 years of relevant experience, NiFi expertise, Java/Groovy, Bash/Python, Linux, Docker/Kubernetes, and IaC tools.

Apache NiFi, Java, Groovy, Bash, Python, Linux/RHEL, Docker, Kubernetes, Ansible, Terraform

1mo

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1mo

Senior Software Engineer - Back End

Annapolis Junction, Maryland, United States

$187k-$250k/yr HybridFull Time

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

20+ YOESenior software engineer with 20+ years experience, TS/SCI with Poly, Bachelor's in CS/Engineering, strong Java/C++/Python, AWS, and DevOps.

AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack, Git, Java, C++, Python, PostgreSQL, SQL

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Software Engineer 2

Annapolis Junction, Maryland, United States

OnsiteFull Time

RealmOne: Provides advanced technology services for national security agencies.

14+ YOE14 years SWE; BS in CS or related; Linux; Python; C++; DSP/RF desired.

Python, C++, Linux, DSP/RF