51 senior full stack java engineer jobs at 37 companies in Hanover, PA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Full Stack Java Developer
Annapolis Junction, Maryland, United States
$245k-$271k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
20+ YOEExpertise in Enterprise Java, service-oriented and microservice architectures, databases (Mongo, MySQL), Python; TS/SCI with polygraph required; Bachelor's in CS (or substitute experience); 20 years SWE experience.
Java, Python, Mongo, MySQL, IntelliJ, Eclipse, VS Code, Jira, Confluence, GitLab, Docker, Kubernetes, NumPy, pandas, ISLANDTRANSPORT, JICD
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
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
1mo
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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
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
1w
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Senior Full Stack Developer
Columbia or United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years software development with Java/NodeJS, RESTful API design, Angular front-end, AWS experience, Git/GitHub, unit/integration testing, U.S. citizenship and Public Trust eligibility.
Java, NodeJS, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams, Electronic Data Interchange X.12 (EDI)
2d
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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
1mo
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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
1w
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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
4d
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Node React/Java Full Stack Web Developer
Woodlawn or Durham
$154k-$197k/yr OnsiteFull Time
Social Security Administration
Social Security Administration: Administers federal social insurance and financial assistance programs.
1+ YOESpecialized GS-14-level experience designing, developing, and maintaining large-scale web applications and APIs using frameworks like React.js, Angular, Spring Boot and languages such as Java or Node.js; cloud and database experience required.
Angular, React.js, Spring Boot, Java, Node.js, JavaScript, Python, .NET Core, Linux, Visual Studio Code, DB2, SQL, MongoDB, PostgreSQL, AWS, PaaS
1mo
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JOIN OUR TEAM - Full-Stack Developer
Washington or Baltimore or United States
$89k-$110k/yr RemoteFull Time
Powerhouse Institute
Powerhouse Institute: Provides strategic IT and management consulting services to government agencies.
7+ YOE7+ years professional experience with 5+ years full‑stack development; proficiency with HTML, CSS, JavaScript, React/Angular/Vue, Node.js/Java/Python/.NET/PHP/Ruby/C#; DBs MySQL/PostgreSQL/MongoDB/Oracle; cloud (AWS/Azure/Google Cloud), Docker, Kubernetes, CI/CD; U.S. work authorization and Public Trust clearance.
HTML, CSS, JavaScript, React, Angular, Vue, Node.js, Python, Java, Ruby, .NET, PHP, C#, MySQL, PostgreSQL, MongoDB, Oracle, RESTful APIs, AWS, Azure, Google Cloud, Docker, Kubernetes, CI/CD
1w
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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
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
1d
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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 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
1mo
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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
3w
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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
1mo
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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
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
6d
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Full Stack Senior Software Engineer– Investment Risk Technology
Baltimore, Maryland, United States
$121k-$206k/yr HybridFull Time
T. Rowe Price
T. Rowe PriceNASDAQ: TROW: Global investment management firm providing funds and retirement services.
5+ YOEBachelor's or equivalent, 5+ years software engineering in object-oriented languages (C#/.NET, Java, etc.), cloud-native AWS experience, SQL proficiency, distributed systems and automated testing experience.
C#, .NET, PostgreSQL, React, AWS, SNS, SQS, S3, Lambda, ECS, DynamoDB, Snowflake, Dagster, Python, SQL, HireVue