55 senior full stack java developer jobs at 39 companies in Hanover, PA

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Full Java Stack Developer
Annapolis Junction, Maryland, United States
$215k-$238k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
14+ YOETS/SCI with polygraph required. Bachelor’s in Computer Science (or 4 yrs SWE experience) plus 14 years SWE experience. Must have Enterprise Java, SOA, microservices, Mongo/MySQL, Python, and Agile/DevOps experience.
Java, Python, Mongo, MySQL, IntelliJ, Eclipse, VS Code, Jira, Confluence, Gitlab, Docker, Kubernetes, NumPy, pandas, ISLANDTRANSPORT, JICD
1mo
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Senior Full Stack Java REACT Developer
Laurel or Washington or Baltimore or Montgomery or San Antonio or Virginia or United States
$130k-$160k/yr HybridFull Time
ERP International
ERP International: Provider of healthcare and technology solutions for federal agencies.
8+ YOE8+ years Java/Spring Boot, 5+ years React, microservice and API development, unit testing (JUnit/Mockito/Cucumber), Agile/DevSecOps and CI/CD experience; US citizen able to obtain Secret DoD clearance.
Java, Spring Boot, React, Postgres, Redis, Junit, Mockito, Cucumber, Jira, Confluence, Docker, Kubernetes, DevSecOps, CI/CD, Microsoft Teams, DoD STIG
3w
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Full Stack Java Developer-Principal
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
12+ YOETS/SCI with polygraph required; B.S. in CS or 12 years' relevant experience (or 16 years without degree); experience with Java, Spring Boot, Angular/JSX, REST/microservices; Agile experience.
Angular, JavaScript XML (JSX), Spring Boot, Java, RESTful API, Spring MVC, Spring Data, Spring Security, Java Message Service (JMS), Apache Kafka, Oracle Database, Elasticsearch, Docker, Kubernetes (K8s), Maven, Gradle, GitLab, CI/CD
2mo
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Full Stack Developer - TS/SCI w/Poly
Annapolis Junction, Maryland, United States
$155k-$175k/yr OnsiteFull Time
MKS2 Technologies
MKS2 Technologies: Delivers cybersecurity and IT solutions to government agencies.
8+ YOESenior Full-Stack Developer with Python and Java; TS/SCI with Poly; Bachelor's degree plus 8 years of experience; proficient in Python, Java, and Jupyter; knowledge of Tableau and Atlassian tools.
Python, Java, Jupyter, Tableau, Atlassian
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Senior Full Stack Java Software Engineer - Clearance Required
Annapolis Junction or Maryland or Texas
$151k-$266k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
20+ YOETS/SCI w/Poly clearance required. Bachelor’s in Computer Science (or equivalent) plus 20 years SWE experience (or +4 years experience in lieu). Must have Java, JavaScript, Python, CI/CD (Jenkins/GitHub/CodePipeline), Jira/Confluence, and AWS/serverless experience.
Java, JavaScript, Python, Jenkins, GitHub, CodePipeline, Jira, Confluence, AWS, API Gateway, Lambda, Secrets Manager, Parameter Store, Step Functions, DynamoDB, Aurora PostgreSQL, PostgreSQL, Angular, Vue
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Full Stack Software Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBachelor's degree required, 5+ years full stack development with languages like Rust,C/C++,C#,Java,Python,Javascript,Typescript and AngularJS or Vue.js; able to obtain Secret clearance and travel to sponsor sites.
Rust, C/C++, C#, Java, Python, Javascript, Typescript, AngularJS, Vue.js
2w
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Full Stack Software Engineer
Ellicott City, Maryland, United States
$120k-$140k/yr OnsiteFull Time
DCCA
DCCA: Provides IT and engineering solutions for government and defense agencies.
6+ YOE6+ years full-stack development with Java 17, Spring Boot, React/Redux, REST, SQL/Postgres; Public Trust clearance preferred; BS in CS preferred; strong communication and Agile experience.
Spring Boot, Microservices, Java17, React, Redux, HTML5, CSS3, SCSS, JavaScript, Typescript, JSON, SQL, Postgres, Junit, SonarQube, webpack, npm, Storybook, GitHub, Wildfly, RDBMS, ORM, REST, AWS, Kafka, AWS Lambda, S3, Apache POI, Microsoft Word, Microsoft Excel
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Senior Software Engineer - Full Stack C# Developer
Hanover, Maryland, United States
$111k-$150k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOEC# full-stack web development with ASP.Net, web libraries (jQuery, Bootstrap, Knockout), database experience (MongoDB), 8+ years experience, US citizenship and Top Secret SCI+Poly required.
C#, ASP.Net Web Forms, ASP.Net MVC, Java, MongoDB, HTML, CSS, JQuery, Bootstrap.js, Knockout.js, IIS
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AI/ML Full Stack Engineer
Columbia, Maryland, United States
$100k-$203k/yr HybridFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
5+ YOEMust have TS/SCI clearance, 5+ years software development, experience with LLMs, agentic AI frameworks, frontend (React/Next.js/Angular) and backend (Python/Node.js/Java/Go), cloud-native deployments, and rapid prototyping.
Claude Code, OpenAI Codex, Cursor, LangGraph, CrewAI, Google ADK, React, Next.js, Angular, TypeScript, JavaScript, Python, Node.js, Java, Go, PostgreSQL, MySQL, MongoDB, DynamoDB, AWS, Azure, GCP
1mo
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Full-Stack Application Developer
Arlington or Baltimore or United States
RemoteFull Time
Tria Federal
Tria Federal: Provides digital transformation and technology services to federal agencies.
8+ YOEUS-based candidate with a bachelor’s degree, ability to obtain Public Trust clearance, 8+ years building large-scale enterprise applications, strong Java/Spring microservices, API, cloud (AWS) and DevSecOps experience.
Java, Spring Framework, Spring Boot, SQL, PostgreSQL, MySQL, AWS Aurora, XML, JSON, REST, SOAP, EC2, EKS, ECS, RDS, S3, Lambda, Secrets Manager, CloudWatch, Git, GitHub, GitHub Actions, Harness, Jenkins, ArgoCD, SonarQube, Checkmarx, Twistlock, Gradle, npm, webpack, gulp, grunt, React, Angular, Vue, Docker, Kubernetes, Splunk, New Relic, Apache ActiveMQ, Apache Kafka, Node.js, Python, Oracle, SQL Server, MongoDB, DocumentDB, DynamoDB, Chai, Jest, Jasmine, Karma, Cypress, Terraform, AWS CloudFormation, AWS CDK, Pulumi, EMR, SageMaker, Azure, Google Cloud Platform, Lucidchart, Mural, Jira, Confluence, UML
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Full Stack Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
8+ YOEActive TS/SCI with Poly; 8 years’ experience with a BS or 4+ years experience in lieu of a degree; strong Java and Python; production systems, AWS, Kubernetes, CI/CD, observability, security, mentorship.
Java, Python, AWS, Kubernetes, OpenTelemetry, Grafana, Prometheus, CI/CD, Infrastructure as Code
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Full Stack Software Engineer
Fort Meade or Annapolis Junction
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOETS/SCI with polygraph required; Bachelor's +7 years (or 12+ years without degree); experience with Python or Java, C++, Docker or Kubernetes, Agile, JIRA, BitBucket/GitHub; strong customer and technical evaluation skills.
Python, Java, C++, Docker, Kubernetes, Agile, JIRA, Integrated Development Environments (IDEs), BitBucket, GitHub
2w
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Full Stack Software Engineer
Baltimore or Washington
HybridFull Time
Brandes Associates
Brandes Associates: Provides engineering, software, and program support to defense agencies.
5+ YOE5+ years software engineering experience; strong Java and JavaScript/TypeScript skills; experience with REST, XML/JSON, SQL databases, CI/CD, Git workflows, and secure/messaging systems; active US citizenship and Secret clearance required.
Java, JavaScript, TypeScript, MySQL, PostgreSQL, SQL Server, Oracle, Linux, Windows, Jira, Confluence, GitHub, GitLab, Bitbucket, Git, Apache Camel, Mule, JMS, AMQP, RabbitMQ, ActiveMQ, Artemis, Docker, Kubernetes, SBOM, CI/CD
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Full Stack Software Engineer
Annapolis Junction, Maryland, United States
$175k-$215k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
7+ YOEBachelor's in Computer Science or 7+ years SWE experience required; 7 years SWE experience explicitly required. Proficiency in Java/Python, Git, IntelliJ/Eclipse, Spring Boot/Flask, cloud and container technologies. TS/SCI w/ Polygraph and U.S. citizenship required.
Java, Python, Git, IntelliJ, Eclipse, Maven, Spring Boot, Flask, Machine Learning, Kubernetes, Docker, containerd, AWS, Kafka, Flink, MongoDB, ArangoDB, Redis, PostgreSQL, Elasticsearch
2mo
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Senior Full Stack Software Engineer (Partial Telework)
Columbia, Maryland, United States
$200k-$260k/yr HybridFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
14+ YOEActive TS/SCI with Polygraph clearance; U.S. Citizenship; 14+ years experience with a Bachelor's in CS (or related) or 18+ years without; ability to work independently and in a team; strong communication skills.
JavaScript, Typescript, CSS, HTML, React, Material UI, Java, Docker, Kubernetes, Rancher, Gitlab Pipeline
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MidLevel Full Stack Software Developer
Annapolis Junction or Columbia
$150k-$180k/yr HybridFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
14+ YOEActive security clearance with polygraph; 14+ years software engineering experience (or substitution rules); bachelor’s in Computer Science or related field (or additional experience); experience with NiFi, AWS, Azure, Python, Java, Bash, STIX/TAXII, and Kubernetes.
NiFi, AWS, Azure, Python, Java, Bash, Oasis STIX, TAXII, Kubernetes
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Full Stack Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
8+ YOEActive TS/SCI with Polygraph, 8+ years experience with B.S. (or additional years in lieu of degree). Strong Java and Python skills, AWS and Kubernetes experience, observability (OpenTelemetry, Grafana, Prometheus), CI/CD and production systems expertise.
Java, Python, AWS, Kubernetes, OpenTelemetry, Grafana, Prometheus, APM, vLLM, LiteLLM, LangChain
2mo
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Senior React Developer
Annapolis Junction or Columbia
$200k-$275k/yr HybridFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
12+ YOESenior full-stack developer proficient in React and Java/Spring Boot; experience migrating legacy systems; ability to work with Camunda and Pega workflows; strong REST APIs and Oracle/SQL skills.
React, Java, Spring Boot, Camunda, Pega, Oracle, SQL, REST API
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Sr. AI Full Stack Software Engineer- Investments Technology
Baltimore or Washington or Maryland or Colorado or Washington or New York or California or United States
$121k-$258k/yr HybridFull Time
T. Rowe Price
T. Rowe PriceNASDAQ: TROW: Provides global investment management and retirement planning services.
5+ YOE5+ years professional development experience in an object-oriented language (Java, Python, or JavaScript); hands-on cloud-native (AWS, Azure), containerized microservices, and agent frameworks; commitment to testing, code reviews, and continuous delivery; BS/MS in CS or related or equivalent experience.
Java, Python, JavaScript, AWS, Azure, Amazon Bedrock AgentCore, AWS Kiro, OpenAI Codex, LLM, vector databases, MCP servers, HireVue
1mo
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Sr. AI Full Stack Software Engineer- Investments Technology
Baltimore or Washington or Maryland or Colorado or Washington or New York or California or United States
$121k-$258k/yr HybridFull Time
T. Rowe Price
T. Rowe PriceNASDAQ: TROW: Global investment management firm providing funds and retirement services.
5+ YOEBS/MS in CS or related (or equivalent experience); 5+ years in OOP (Java, Python, JavaScript); hands-on cloud-native (AWS, Azure), containerized microservices, and agent frameworks; strong problem-solving and quality practices.
Java, Python, JavaScript, AWS, Azure, Amazon Bedrock AgentCore, AWS Kiro, OpenAI Codex, HireVue, MCP servers