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Java Developer Jobs in Clayton, DE, US
240+ java developer jobs from 78 companies hiring in Clayton, DE, US.
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Java Automation Engineer
Annapolis Junction, Maryland, United States
HybridFull Time
2+ YOE2+ years Java development experience; Bachelor’s degree; Agile Certification preferred; strong communication; experience with Java/JEE and Agile Development.
Java, JEE, Agile Development, XML, JMS, SQL, Angular
1mo
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Java Developer
Aberdeen Proving Ground, Maryland, United States
HybridFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
2+ YOEBachelor's in CS/IS or related field; 2+ years programming/web development; Active Final Secret security clearance
Java, J2EE, Spring, Eclipse, JUnit, Git, HTML, JSP
1mo
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Java Software Engineer
Annapolis Junction, Maryland, United States
$147k-$249k/yr OnsiteFull Time
Bachelor's in CS or related; experience with Java/JEE, Python, C/C++, SQL, SOAP/WSDL; UI development; Windows/Linux; Jenkins; TS/SCI Polygraph; strong software development principles.
Java, Python, C/C++, SQL, XML, HTML, Tomcat, WebLogic, JBoss, Jenkins, Postgres, Oracle, Selenium, Mockito, Cucumber, UFT, FitNesse, TDD, SAFe
1mo
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Senior Java Developer
Chicago or Morristown or Wilmington
$79k-$138k/yr HybridFull Time
4+ YOE4+ years enterprise Java, Guidewire InsuranceNow experience, REST/SOAP APIs, SQL, JavaScript/jQuery/Velocity; full SDLC; Agile/Waterfall; BA/Business stakeholder collaboration.
Java, Guidewire InsuranceNow, REST API, SOAP API, SQL, JavaScript, jQuery, Velocity
4d
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Java Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOESenior-level software engineer proficient in Java, Python, Docker/Kubernetes, CI/CD, microservices; TS/SCI clearance with polygraph; 7+ years SWE experience; BS in CS or related field with experience substitutions.
Java, Python, Shell, Git, Nexus, Maven, JavaScript, JUnit, IDE, Docker, Kubernetes, CI/CD, Spring, Hibernate, MySQL, Web Services, Vaadin, GWT, Nexus, SonarQube
1w
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Java Front End Software Engineer - Clearance Required
Hanover, Maryland, United States
$105k-$185k/yr OnsiteFull Time
3+ YOEBachelor’s degree; 3+ years Java frontend experience; Top Secret SCI with Polygraph; React, TypeScript, Java, JavaScript; Springs; Front end development.
Docker, Kubernetes, Rabbit MQ, TomCat Admin, Java, JavaScript, Typescript, React, Spring Framework
2mo
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AWS Lead Software Engineer-Java
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOEFormal software engineering training with 5+ years of practical experience; expert in system design, Java, REST APIs, and CI/CD; strong AWS and SQL/NoSQL knowledge.
Java, SpringBoot, Swagger, SQL, NoSQL, AWS, CI/CD, REST API
3w
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Software Engineer, III - Java
Fort Washington, Pennsylvania, United States
$120k-$130k/yr RemoteFull Time
5+ YOE5+ years software development experience; Java 17+, Spring Boot; experience with AI tools; healthcare IT preferred; strong SDLC and collaboration skills.
Java, Spring Boot, Git, MySQL, MongoDB, REST, AWS, FHIR, HL7, Claude
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteAll Commitments Available
4+ YOE4-6 years of software engineering, strong Java/Python backend, AWS experience, SQL/NoSQL knowledge, CI/CD, Docker, and collaboration skills.
Java, Python, AWS, DynamoDB, RDS, PostgreSQL, DocumentDB, Docker, ECS, EKS, CloudWatch, Datadog, CI/CD
2w
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Lead Software Engineer - Java/ AWS Developer
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years hands-on Java/AWS development; strong React/Angular, Spring, Hibernate; AWS deployment; SDLC and CI/CD; agile practices; cloud-native knowledge.
Java, AWS, React, Angular, Spring, Hibernate, JMS, Spring Boot, Aurora PostgreSQL, Splunk, Grafana
1w
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Applications Development Java Programmer – Assistant Vice President
New Castle, Delaware, United States
$107k-$161k/yr HybridFull Time
5+ YOE5+ years Java development with cloud experience; expert Java, API design; REST APIs with Spring/Spring Boot; Oracle/SQL/NoSQL; OpenShift, Kubernetes; MQ/Kafka; SDLC/Agile; DevOps/CI/CD; leadership and autonomous work.
Java, Spring, Spring Boot, OpenShift, Kubernetes, MQ, Kafka, Oracle, SQL, NoSQL, REST, APIs, CI/CD
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Application Developer / Engineer I
Atlanta or Wallingford or Louisville or Tampa or Indianapolis or Miami or Wilmington or Mason or Richmond or Des Moines
HybridFull Time
3+ YOEBA/BS in IT or CS; 3+ years in application/system development; .NET, Java, Angular/React; API development; SQL Server; MongoDB; cloud concepts; on-call support.
.NET, Java, Angular, React, APIs, SQL Server, MongoDB, Cloud
2w
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Cloud Software Engineer (Java/Kotlin), Senior Associate
Annapolis Junction, Maryland, United States
$104k-$166k/yr OnsiteFull Time
Active TS/SCI clearance with a current polygraph; degree and experience per requirements; cloud/DevOps certifications; strong software development with Java/Kotlin and web technologies; Linux experience; documentation skills.
Java, Kotlin, React, JavaScript, TypeScript, Linux, Cloud / Containers, Open-source distributed computing
2mo
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Software Developer
Aberdeen Proving Ground, Maryland, United States
$108k-$228k/yr OnsiteFull Time
3+ YOE3-5 years of software development experience; Java; Spring Framework; relational databases; CI/build tools; version control; Bachelor’s in CS/Engineering; ability to obtain Secret clearance.
Java, Spring Framework, Spring Boot, Spring MVC, Spring Data, Relational Databases, CI Tools, Version Control, Docker, Kubernetes, Cloud Platforms, GWT, JSF, Vaadin, Wicket, GWT, AWS, Azure, Google Cloud
2mo
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Full Stack Developer (Java, Spring, MongoDB, Elasticsearch) - Top Secret/SCI/FSP Required - Onsite
Annapolis Junction, Maryland, United States
OnsiteFull Time
Top Secret/SCI clearance required; onsite in Annapolis Junction, MD; Java 8+; Elasticsearch; MongoDB; Oracle; Spring Boot; Angular; RESTful services; Solr; strong interfaces between applications.
Java, Elasticsearch, MongoDB, Oracle, Spring Boot, Angular, RESTful web services, Solr
3w
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Salesforce Senior Developer
Wilmington or Cincinnati or Worthington
$90k-$121k/yr HybridFull Time
5+ YOE5+ years Salesforce development; Bachelor's or equivalent; Salesforce Platform Developer II; multiple tech skills including Apex, LWC, Visualforce, JSON, XML, JavaScript, SQL, Java, C#, C++, SOAP, AWS/Azure; multiple Salesforce certifications.
Apex, LWC, Visualforce, JSON, XML, JavaScript, SQL, Java, C#, C++, SOAP, AWS, Azure, GearSet
3w
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AI Agentic Software Engineer
West Chester, Pennsylvania, United States
HybridFull Time
2+ YOE2+ years full-stack development; .NET or Java; React; REST APIs; AI exposure.
React.js, .NET, Java, REST APIs, GitHub Copilot
1w
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Application Engineer - IV
Malvern, Pennsylvania, United States
OnsiteFull Time
8+ YOEEight years of related experience with strong development skills; in-office five days; proficiency in AWS, Python, Java; troubleshooting and production support.
AWS, Python, Java, MS Office programming tools
1mo
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Software Engineer
Annapolis Junction or Reston
$104k-$192k/yr OnsiteFull Time
2+ YOE2+ years software development; C#/.NET/Python/Java/C++ or C; distributed programming; building pipelines; on-call support; TS/SCI with poly; US passport.
C#, NET, Python, Java, C++, C, Azure Data Factory, PowerBI
3w
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Associate Database Platform Developer
Wilmington, Delaware, United States
$90k-$110k/yr HybridFull Time
Experience with Python, Perl, or Java; basic SQL and relational databases; software development basics; strong problem solving; team collaboration.
Python, Perl, Java, SQL
1mo
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1650 - Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
10+ YOE10+ years in software development; 5+ years DoD software support; strong requirements analysis, architecture, and coding skills; Java, Python, C#, and JavaScript; ability to document software; U.S. citizen; Secret security clearance or higher; Bachelor's Science degree.
Java, Python, C#, JavaScript
5d
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Senior Software Engineer
Oaks, Pennsylvania, United States
OnsiteFull Time
5+ YOEFive years of post-baccalaureate experience in application development, cloud-native architectures, microservices, Java/Spring, databases, DevOps, and data streaming.
Java, Spring Boot, Spring MVC, Hibernate, JPA, Oracle, MySQL, SQL Server, MongoDB, Snowflake, Kafka, Git, Docker, Kubernetes, Jenkins, REST, JSON
3w
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Journeyman Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
4+ YOEBachelor's in CS/Engineering with 4 years experience or 6 years related software development experience; US citizenship; SECRET clearance; proficiency in Python, C++, Java, C#; CI/CD; DoD/C-UAS experience preferred.
Python, C++, Java, C#, CI/CD, containerization, microservices, cloud
2w
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Summer 2026 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
0+ YOE0+ years of related experience; proficiency in Python, Java, C/C++, Rust, JavaScript/TypeScript; US citizenship required; software development best practices; teamwork.
Python, Java, C/C++, Rust, JavaScript/TypeScript
2mo
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Software Engineer
Annapolis Junction or Hanover
$50k-$290k/yr OnsiteFull Time
US citizen with active TS/SCI clearance; Linux proficiency; programming in Python/Java/C/C++/JavaScript; Git; container tech (Docker/Kubernetes); shell scripting; experience with CI/CD; strong security-focused software development.
Bash, Python, Java, C, C++, JavaScript, Git, Docker, containerd, Podman, Kubernetes, Ansible, FastAPI, React, MongoDB, PostgreSQL, RabbitMQ, Kafka, Elastic Stack, Prometheus, Grafana, Splunk, Jira, Confluence, Slurm, AWS
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Software Engineer I (Onsite)
Fulton, Maryland, United States
$63k-$120k/yr OnsiteFull Time
Bachelor's degree in STEM; Java and C++ experience; multithreaded software development; willingness to work onsite in Fulton, MD; ability to obtain/maintain DoD Secret clearance; U.S. citizenship.
Java, C++, Maven, Apache Ant, Jenkins
1mo
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Mulesoft Developer
Malvern or Remote
RemoteFull Time
4+ YOE4+ years MuleSoft development; design, develop, test, deploy MuleSoft integrations; Salesforce and ERP experience; API-led design; MuleSoft certifications.
MuleSoft Anypoint Platform, RAML, DataWeave, Anypoint Studio, Java, XML, JSON, SQL, Salesforce REST, Salesforce SOAP, Salesforce Bulk API, Salesforce Platform Events, Splunk, CloudHub, API Manager, runtime monitoring
1w
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Senior Software Applications Developer
West Chester or United States or North America
RemoteFull Time
4+ YOEBachelor’s degree in Computer Science; 4+ years software development; experience with Java, Python, C#; CI/CD tools like Jenkins, GitLab, TeamCity; software design, testing, and automation.
Java, Python, C#, CI/CD, Version Control, Bug Tracking, Automation Frameworks
2mo
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Senior Software Developer (Secret Clearance Required)
Aberdeen, Maryland, United States
HybridFull Time
3+ YOEDoD security clearance, 3-5+ years in software development, strong Android/Java/C/C++, DevOps tools, Linux, APIs, Docker, Kubernetes, cloud, Agile.
Git, Gitlab, Jira, Nexus, Artifactory, Gradle, Bash, Python, Docker, Kubernetes, Linux, Android, Java, JavaScript, C, C++, C#, APIs, NVIDIA CUDA, ElasticSearch, Kibana
4w
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Principal Software Engineer
Columbus or Chadds Ford or Plano or Draper or New York or Wilmington
$184k-$492k/yr HybridFull Time
15+ YOE15+ years in software development across full stack, frontend and backend; BS in CS or related field; strong Agile/DevOps focus; experience with Java, JavaScript, AWS, Azure, React, Angular, Flutter; leadership experience.
Agile Methodology, DevOps, Java, JavaScript, Microsoft Azure Functions, Microsoft Azure SQL, Full Stack Development, Amazon Web Services (AWS), React.js, Angular, Flutter
2w
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Agile Developer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
Active TS/SCI with Full Scope Polygraph; 9 years with Bachelor's or 7 years with Master's; AWS tools; experience in Java/Spring Boot, microservices, CI/CD, and related tools.
Java, Spring Boot, Python, AWS, DynamoDB, Lambda, CloudWatch, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, NoSQL, OAuth/OIDC, Cypress, Cucumber
1mo
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Software Engineer, Vertical Lift (Experienced or Senior)
Ridley Park, Pennsylvania, United States
$135k-$232k/yr OnsiteFull Time
5+ YOEBachelor’s in engineering; 5+ years full life-cycle software development; proficiency in C, C++, C#, Python, Java, Ada, Linux; ability to obtain US Secret clearance.
C, C++, C#, Python, Java, Ada, Linux, Git, DOORS, CI/CD
1mo
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Embedded Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Tiber Technologies: Providing specialized engineering and security services for federal missions.
Must be a U.S. citizen; active clearance with a polygraph; Bachelor's degree in CS, engineering, or related field; embedded/low-level development experience preferred
Linux, Windows, Embedded systems, Ghidra, C, C++, Python, Rust, Go, Git, Subversion, Jira, Confluence, PowerShell, Bash, Assembly, Java, JavaScript
1mo
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Software Engineer, Vertical Lift (Experienced or Senior)
Ridley Park, Pennsylvania, United States
$135k-$232k/yr OnsiteFull Time
5+ YOEBachelor's degree in engineering; 5+ years full software development lifecycle experience; proficiency in C, C++, C#, Python, Java, Ada, Linux; ability to obtain US Secret clearance.
C, C++, C#, Python, Java, Ada, Linux, Git, CI/CD, DOORS, DO-178C
2mo
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Software Engineer
Fort Meade, Maryland, United States
$200k-$230k/yr OnsiteFull Time
14+ YOETS/SCI with poly; Bachelor's in CS/Engineering; 14 years experience; Linux, C++, Java; scripting; Git; Docker; strong problem-solving and communication.
C++, Java, Shell, Python, JavaScript, Bash, Git, Docker, Linux
1w
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Software Engineer
Alexandria or Edgewood
HybridFull Time
5+ YOESecret clearance preferred; proficient in Java, JavaScript, SQL; BS in CS or software engineering; 5–7 years coding experience; strong communication and teamwork.
Java, JavaScript, SQL
1mo
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Web Developer
Annapolis Junction, Maryland, United States
$144k-$210k/yr HybridFull Time
8+ YOEActive TS/SCI clearance with polygraph; 8+ years web development experience; BS in related field or equivalent experience; strong front-end and API integration skills.
HTML, CSS, JavaScript, React, Angular, Vue, REST API, Jira, Confluence, 508 accessibility, AWS, Docker, Kubernetes, Node.js, Java, Linux scripting, Git, Frontend testing
2w
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Software Engineer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
20+ YOE20 years SWE experience; Bachelor's in CS; Linux; Python, Java, C++; security clearance; geolocation/RF knowledge.
Python, Java, C++, Linux
2mo
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Software Developer (55390)
Aberdeen, Maryland, United States
$100k-$110k/yr OnsiteFull Time
10+ YOEBachelor's degree and 10+ years in software development; DoD experience preferred; US citizen with active secret clearance.
Java, Python, C#, JavaScript
2w
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Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yr OnsiteFull Time
1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.
Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD
HiringCafe market data
Java Developer Jobs market signals in Clayton, DE, 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
240+
Hiring companies
78
Fresh sample
54% new in 30d
Salary visibility
65% show pay
Companies appearing in this market
JPMorgan ChaseBoeingCACIGDITLockheed MartinParsonsAmtrakDataPath
Work location mix in visible results
Onsite: 51Hybrid: 16Remote: 5