Python Developer Jobs in Lexington Park, MD, US

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

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

1mo

Save

Mark Applied

Hide

1mo

SME Full Stack Developer - Java/Python , Clearance Required

Ashburn, Virginia, United States

HybridFull Time

SourceFly: We provide IT services and workforce solutions to government clients.

5+ YOE5+ years’ full-stack development with Java/Python; security clearance (Secret); government/military domain experience.

Java, Python, Spring Boot, Docker, Kubernetes, REST, React, Angular, Vue.js, Jenkins, Gitlab CI, Harness, gRPC, RabbitMQ, Kafka, AWS, PostgreSQL, Oracle, Elasticsearch, Solr, Hadoop, Spark

1mo

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

Software Engineer 3 - Linux/Bash/Python/Java/Gitlab/CI/CD/Docker/Ansible/Grafana/NiFi

Annapolis Junction, Maryland, United States

$130k-$270k/yr OnsiteFull Time

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

9+ YOESenior software engineer with TS/SCI clearance, 9+ years experience, strong Linux, Python/Java, CI/CD, Docker/Kubernetes, and dataflow/ETL skills.

Linux, Shell, Python, Java, Git, GitLab CI, Docker, Kubernetes, Prometheus, Grafana, Kibana, Nagios, Ansible, NiFi, Spark

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

2mo

Mid-Level Developer

Suitland-Silver Hill or United States

RemoteFull Time

Ignite IT: Provides digital transformation and cloud solutions to federal agencies.

4+ YOE4–7 years software development; strong Python; AWS Cloud Native; APIs/microservices; serverless/containerized architectures; Postgres; Agile Scrum; US citizenship.

Python, AWS, PostgreSQL, Docker, Serverless, CI/CD, Git, S3, Lambda, ECS/Fargate, EventBridge, SQS, SNS, Aurora, Cloud, REST APIs

1mo

Save

Mark Applied

Hide

1mo

Embedded Developer Level 1

Annapolis or Fort Meade

OnsiteFull Time

Adaptic: Software and systems engineering services for government defense agencies.

5+ YOETS/SCI with Polygraph; Bachelor's degree; 5+ years embedded development; C/C++ and Python; low-level programming in Windows/Linux/RTOS; full lifecycle involvement.

C, C++, Python, RTOS, VxWorks, uC/OS, Windows, Linux

2mo

Save

Mark Applied

Hide

2mo

Software Engineer 3

Annapolis Junction, Maryland, United States

OnsiteFull Time

RealmOne: Provides technology and intelligence services for national security missions.

20+ YOETwenty years SWE experience; BS in computer science; strong Python, Kubernetes, Git, CI/CD, sprint development; RF experience; active security clearance with polygraph.

Python, Kubernetes, Git, CI/CD, Sprint

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

Software Developer

Dahlgren, Virginia, United States

OnsiteFull Time

Zekiah Technologies: Provides software development and geospatial engineering services.

Extensive Linux system administration, scripting (Bash/Python), infrastructure automation, security/compliance knowledge, virtualization/containerization, and CI/CD experience.

Linux, Ansible, Terraform, Bash, Python, VMware, KVM, Docker, Podman, GitLab CI, Jenkins, GitHub Actions, Prometheus, Grafana, ELK

Save

Mark Applied

Hide

Senior Software Engineer

Annapolis Junction, Maryland, United States

$212k-$265k/yr OnsiteFull Time

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

14+ YOEActive TS/SCI with polygraph; Linux development; Python/C++/Java/JavaScript; Jira/Confluence; GitLab/GitHub; 14+ years experience; BS in Computer Science or related field.

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

Save

Mark Applied

Hide

Spatial Front, Inc - Senior Application Developer

Suitland or United States

$90k-$138k/yr RemoteFull Time

Spatial Front: IT solutions and mission support for government agencies.

7+ YOEBachelor’s degree in computer science or related field; 7+ years software development experience; strong Java, AWS, and microservices skills; experience with React, Python, and databases.

Java, AWS, Spring Framework, Hibernate, REST, PostgreSQL, Oracle Spatial, Python, React

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

AI/ML Engineer

Annapolis or United States

$120k/yr RemoteFull Time

Innosoft Corporation: Provides IT and data solutions for government health agencies.

5+ YOEFive+ years data science/ML and five+ years software engineering experience; bachelor's in CS/engineering/data science/math; strong Python, SQL, ML/AI development, and system design skills.

Python, SQL, PostgreSQL, Git, Docker, React, Microsoft Teams Toolkit, Neo4j, Apache AGE, LLMs, Rust, vector databases

2mo

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

Senior AI Developer

Dahlgren, Virginia, United States

OnsiteFull Time

Arcfield: Systems engineering and mission support for defense and space.

8+ YOEActive Secret clearance; TS/SCI eligibility; DoDD IAM Level I; Python; AI workflows; RAG; context engineering; frameworks Haystack/LangChain/LlamaIndex; cost management.

Python, FastAPI, Haystack, LangChain, LlamaIndex

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

Agile Developer 3

Annapolis Junction, Maryland, United States

OnsiteFull Time

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

7+ YOEActive TS/SCI with Full Scope Polygraph (CI Poly in last 7 years); 7-9 years experience; AWS tools; Java/Spring Boot or Python; microservices, CI/CD, and related tech.

Java, Spring Boot, Python, AWS, DynamoDB, Lambda, CloudWatch, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, Cypress, Cucumber

1mo

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

Senior Application Developer

Annapolis Junction, Maryland, United States

$194k-$249k/yr OnsiteFull Time

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

12+ YOEExperienced application developer with TS clearance and US citizenship; 12+ years’ experience with a BS or 10+ with an MS; must have Top Secret clearance with Full Scope Polygraph.

Python, Burp Suite, Wireshark, Docker, Kubernetes, Git, Jira, Confluence, HTML, JavaScript

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

1mo

Software Engineer - Hybrid

Annapolis Junction, Maryland, United States

$165k-$185k/yr HybridFull Time

Red Arch Solutions: Provides IT engineering solutions for the intelligence community.

3+ YOETS/SCI with Poly required; degree plus years; Linux, Bash, Python/Java, Airflow, Spark, Docker/Podman, Git; AWS familiarity.

Apache Airflow, Python, Java, Bash, Linux, Apache Spark, Docker, Podman, Git, AWS

Save

Mark Applied

Hide

SpaceOps Tool Developer

Suitland-Silver Hill, Maryland, United States

$92k-$129k/yr OnsiteFull Time

ASRC Federal: Provides engineering and IT services to federal government agencies.

3+ YOEBachelor's in aerospace or related field; 3-5 years aerospace experience; strong software skills; tool development and maintenance; able to travel.

C, C++, Rust, Python, Google Apps Script, Linux

2mo

Save

Mark Applied

Hide

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

1mo

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

Enterprise Workflow Developer (RR1041)

King George, Virginia, United States

OnsiteFull Time

HART Technologies: Designs and manufactures electronic systems and software for defense applications.

1+ YOEBachelor's degree or equivalent experience; 1-5 years software development; US Citizenship; Active DoD security clearance.

Jira, JQL, Java, Confluence, SharePoint, Python, SQL

Save

Mark Applied

Hide

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

2mo

Save

Mark Applied

Hide

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

Save

Mark Applied

Hide

Data Engineer II

Annapolis, Maryland, United States

$110k/yr OnsiteFull Time

Crisis24: Integrated risk management and global crisis response solutions.

2+ YOEMaster's or Bachelor's in CS/DS/IT with 2+ years experience; strong Python, SQL, NoSQL, data modeling, testing, and data visualization.

Python, SQL, NoSQL, Data Visualization, Automated Testing, Big Data Technologies

1mo

Save

Mark Applied

Hide

1mo

Software Engineer (AHT)

Manhattan Beach or Hollywood or Huntsville

$92k-$138k/yr OnsiteFull Time

Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.

3+ YOEBS in STEM with 3 years of experience; active SECRET clearance; Agile/CI/CD; C#, Java, or .NET; OO design; SQL; scripting (yaml, Python, PowerShell, Curl); Git/Jira/Confluence; DevOps.

C#, Java, .NET, SQL, YAML, Python, PowerShell, Curl, Git, GitHub, Jira, Confluence, Docker, Kubernetes, AWS, Azure, REST, AsyncAPI, UML

1mo

Save

Mark Applied

Hide

1mo

Senior Software Engineer

Suitland, Maryland, United States

OnsiteFull Time

SilverEdge Government Solutions: Provides cybersecurity and software solutions for national security missions.

8+ YOEBachelor’s degree in relevant field; 8 years of experience; proficiency in .NET, Java, Python, C#; TS/SCI w/ Poly clearance required.

Microsoft .NET, ASP.NET, C#, Java, Python, Oracle

Save

Mark Applied

Hide

AI Software Engineer

Annapolis Junction, Maryland, United States

OnsiteFull Time

NetSage: Delivering specialized cyber services to the U.S. federal government.

5+ YOETS/SCI with polygraph; BS in CS or related STEM with 5 years experience; Python; AI/ML tooling; Agile tools; security clearances.

Python, LLM, RAG, Git, Jira, Confluence, Rust, Claude Code, Codex

1mo

Save

Mark Applied

Hide

1mo

Network Software Developer, Journeyman NGTS

Patuxent River, Maryland, United States

OnsiteFull Time

BGI: A government contractor providing software solutions and services for defense and national security clients.

3+ YOEBS in science/engineering; 3+ years C++; DoD Secret clearance; experience with network programming and software development.

C++, Python, HTML, Sockets, DDS, HLA, DIS