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Java Python Developer Jobs in Lexington Park, MD, US

110+ java python developer jobs from 58 companies hiring in Lexington Park, MD, US.

110 jobs- Lexington Park • 50 miles
1mo
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SME Full Stack Developer - Java/Python , Clearance Required
Ashburn, Virginia, United States
HybridFull Time
SourceFly
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
1w
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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
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
1mo
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Software Engineer/Developer
Quantico or Gainesville
OnsiteFull Time
Redhorse
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
5d
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Senior Software Developer
Fort Belvoir, Virginia, United States
OnsiteFull Time
Applied Research Associates
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
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
1mo
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Software Developer
Dahlgren, Virginia, United States
OnsiteFull Time
Technical Intelligence Solutions
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
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.
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
2mo
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Software Engineer, Mid
Fort Belvoir, Virginia, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Management and technology consulting for government and commercial clients
5+ YOE5+ years in Python/Java/C++, Linux, OOP with multi-process or multi-thread apps; Agile tools; test-driven development; secret clearance; BS in Computer Science.
Python, Java, C++, Linux, Docker, Jenkins, Git, JIRA, Confluence, CI/CD
3w
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Spatial Front, Inc - Senior Application Developer
Suitland or United States
$90k-$138k/yr RemoteFull Time
Spatial Front
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
1w
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$212k-$265k/yr OnsiteFull Time
Boeing Intelligence & Analytics
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
2w
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Software Developer
Vienna, Virginia, United States
OnsiteFull Time
KBR
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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Senior Software Engineer
Annapolis Junction or Columbia
OnsiteFull Time
Freedom Technology Solutions Group
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
1w
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$212k-$265k/yr OnsiteFull Time
Boeing Intelligence & Analytics
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
1mo
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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
2w
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Agile Developer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
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
2w
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Junior Software Developer, Hypervelocity/C++
Dahlgren, Virginia, United States
$90k-$110k/yr OnsiteFull Time
Amentum
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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Software Engineer - Hybrid
Annapolis Junction, Maryland, United States
$165k-$185k/yr HybridFull Time
Red Arch Solutions
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
2w
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Senior Software Engineer
Gambrills, Maryland, United States
$91k-$130k/yr HybridFull Time
Wabtec
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
2w
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Software Engineer
King George, Virginia, United States
OnsiteFull Time
Southeastern Computer Consultants
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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Senior Software Engineer
Suitland, Maryland, United States
OnsiteFull Time
SilverEdge Government Solutions
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
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
1mo
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Software Engineer (AHT)
Manhattan Beach or Hollywood or Huntsville
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
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
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Software Engineer, Level 1 (AE26031323SW1)
Annapolis Junction, Maryland, United States
$145k-$155k/yr HybridFull Time
Advantage Engineering & IT Solutions
Advantage Engineering & IT Solutions: Provides technical engineering and IT services for government agencies.
7+ YOESeven years of DoD/IC software engineering experience; Java, Python; Git; IntelliJ/Eclipse; Maven; Spring Boot/Flask; Top Secret/SCI with polygraph.
Java, Python, Git, IntelliJ, Eclipse, Maven, Spring Boot, Flask, Kafka, Flink, MongoDB, ArangoDB, Redis, PostgreSQL, Elasticsearch, Kubernetes, Docker, Containerd, AWS
6d
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Backend Software Engineer
Gaithersburg or Alexandria or Chantilly or St. Louis or Tucson
OnsiteFull Time
Noetic Strategies
Noetic Strategies: Provides cybersecurity, software development, and IT services to government agencies.
8+ YOEUS citizen; TS/SCI with poly; BS in CS/SE with 8–12 yrs (MS with 6–10); Java or Python; REST APIs; SQL; Linux; ability to work independently.
Java, Python, REST, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure, Agile
2mo
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Software Engineer Level 3
Fort Meade, Maryland, United States
$235k-$255k/yr OnsiteFull Time
Markon
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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AWS Full Stack Developer
Springfield or Chantilly or McLean or Reston
$69k-$158k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years UI/UX, front-end (React); 5+ years back-end (Java, Python, Go, SQL); 2+ years AWS services; 2+ years IaC (CDK, Terraform, CloudFormation); containerization; TS/SCI with polygraph; HS diploma or GED
React, Java, Python, Go, SQL, JavaScript, TypeScript, HTML, CSS, AWS, ECS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM, Terraform, CloudFormation, AWS CDK, Docker, Kubernetes, ECS, API Gateway, MongoDB
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
1mo
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Cyber Software Engineer - Advanced
Annapolis Junction, Maryland, United States
OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
9+ YOEActive Top Secret/SCI clearance with CI poly; BS in related field plus 9 years experience or MS plus 7 years; strong Java/Python/Spring Boot and AWS skills; microservices architecture experience.
Java, Spring Boot, Python, AWS, Maven, GitLab, Kubernetes, Docker, Ansible, NoSQL, MongoDB, DynamoDB, OAuth, OIDC, Cucumber
2mo
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Senior Systems Engineer
Lexington Park, Maryland, United States
$130k-$150k/yr OnsiteFull Time
KIHOMAC
KIHOMAC: Provides aerospace engineering and manufacturing for military aircraft sustainment.
3+ YOE3+ years of systems solution development; MBSE tools; Java, Python, TypeScript, React, SQL; DoDAF/SysML/UML; Git and Azure DevOps; Foundry experience preferred.
Java, Python, TypeScript, React, SQL, MBSE tools (Cameo), DoDAF, SysML, UML, Git, Azure DevOps, Palantir Foundry, Foundry tools (Slate, Workshop, Pipeline Builder, AI Platform)
2w
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Senior NetIQ Engineer
Suitland-Silver Hill, Maryland, United States
HybridFull Time
Ignite IT
Ignite IT: Provides digital transformation and cloud solutions to federal agencies.
5+ YOE5+ years in Directory Services with NetIQ eDirectory/IDM; Java/C++ development; Python/Perl/Linux scripting; REST/JSON/SOAP; SQL databases.
NetIQ eDirectory, NetIQ IDM, LDAP, REST, SOAP, Java, ECMAScript, Python, Perl, Shell, XML, XSLT, SQL, PostgreSQL, Oracle, SQL Server, PowerShell, Bash, Linux
3w
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Software Developer
Dahlgren, Virginia, United States
HybridFull Time
Zekiah Technologies
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
5d
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AI/ML Engineer
King George, Virginia, United States
OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
Active or interim DoD SECRET clearance with ability to obtain TS/SCI; IAM Level I or higher; AI/ML engineering experience; proficiency with Git, CI/CD; data engineering with ETL and data processing; cloud (Azure); SQL/NoSQL; ML lifecycle; OOP (C#, Java, Python); ML platform and API skills.
Git, CI/CD, GitLab, ETL, Azure, SQL, NoSQL, Python, Java, C#
1mo
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MD-DevOps Software Engineer - TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$180k-$230k/yr OnsiteFull Time
Sunayu
Sunayu: Engineering technology and DevSecOps solutions for defense and intelligence missions.
8+ YOE8+ years DevOps; 5+ years CI/CD tooling; Windows admin; scripting (Java, Groovy, Python, PowerShell, Bash); IDEs; VM and container experience; strong communication; fast learner.
Java, Groovy, Python, PowerShell, Bash, JavaScript, AngularJS, Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm, Version Control, VMs, Containerization
2mo
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Software Developer (Mid-Level)
St Inigoes, Maryland, United States
$111k-$185k/yr OnsiteFull Time
Scientific Research Corporation
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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.NET Core Microservice Software Engineer
Patuxent River, Maryland, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
8+ YOEBachelor's in CS/Engineering + 8+ yrs (or Master's +6); US Citizenship; Secret clearance; proficiency in C#, Java, Python; front-end with Angular/React; relational DB (PostgreSQL/SQL Server); Docker/Kubernetes; DevSecOps; SAFe/Agile; strong SDLC knowledge.
C#, Java, Python, Angular, React, PostgreSQL, SQL Server, Docker, Kubernetes
2w
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Enterprise Workflow Developer (RR1041)
King George, Virginia, United States
OnsiteFull Time
HART Technologies
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
1mo
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Signals Software Engineer 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides cybersecurity and intelligence services for national security missions.
7+ YOEBachelor's in Computer Science or related field; 7+ years as SSWE with RF, DSP; proficiency in C++, Java, Linux; active Top Secret security clearance with polygraph.
C++, Java, Linux, Python, Eclipse IDE, Git, Matlab, Simulink
2mo
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Signals Software Engineer (RC-3)
Annapolis Junction, Maryland, United States
$210k-$250k/yr OnsiteFull Time
Legato
Legato: Provides IT engineering services to the intelligence community.
12+ YOEExperience with C++, Java, Linux; RF signal processing; software design and testing; leadership of software teams; TS/SCI with polygraph clearance.
C++, Java, Linux, Jenkins, Bamboo, Docker, Kubernetes, Python, Git, Clearquest, Trac, Subversion, Matlab, Simulink, GNU, REDHAWK, SCA
1d
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Software Engineer 3
Annapolis Junction, Maryland, United States
$176k-$238k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years of related experience; TS/SCI w/ Polygraph; Bachelor's degree; Linux CLI/tools; Python, Bash; front-end tech (TypeScript, HTML/CSS, React/Angular/Vue); Streamlit; data processing; Git; Jupyter; distributed engines (Spark).
Linux, GitLab, Python, Bash, Java, TypeScript, HTML, CSS, JavaScript, React, Angular, Vue, Streamlit, Spark, Jupyter, pandas, NumPy, Parquet, JSON, CSV, XML, Airflow, MySQL, MariaDB, PostgreSQL, Slurm, JIRA, Confluence, Git
1mo
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Software Engineer (Hybrid)
Alexandria, Virginia, United States
HybridFull Time
Akima
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

HiringCafe market data

Java Python Developer Jobs market signals in Lexington Park, 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
110+
Hiring companies
58
Fresh sample
51% new in 30d
Salary visibility
61% show pay

Companies appearing in this market

Booz Allen HamiltonBoeing Intelligence & AnalyticsHART TechnologiesApplied Research AssociatesLegatoNorthrop GrummanRed Arch SolutionsSigma Defense

Work location mix in visible results

Onsite: 59Hybrid: 15Remote: 1