68 senior software developer java jobs at 26 companies in Clayton, DE
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Senior JAVA Developer
Philadelphia, Pennsylvania, United States
$121k-$189k/yr OnsiteFull Time
8+ YOEBachelor's degree in a relevant technical field,8+ years Java development,experience with large Java codebases,Java 17+,Git/GitLab,Jira,CI/CD,SonarQube,Linux,US citizenship,and ability to obtain Secret clearance.
Java, Java 17, Gradle, bash, python, Git, GitLab, Jira, GitLab CI/CD, SonarQube, Docker, RHEL 8, RHEL 9, JGroups, Linux
1w
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Senior Java Developer
Newark, Delaware, United States
$110k-$120k/yr OnsiteFull Time
10+ YOE10+ years experience in Java and microservices, experience with Spring Framework, Hibernate, RESTful APIs and SQL databases; bachelor of computer science required.
Java, Microservices, Spring Framework, Spring MVC, Spring Boot, Hibernate, RESTful APIs, Oracle SQL, PostgreSQL, SQL Server
1w
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Senior Lead Software Engineer - Java/AWS/Python
Plano or Wilmington
OnsiteFull Time
10+ YOEExpertise in Java, Python, AWS, Terraform and cloud-native development; experience with Kafka and automation; demonstrated software design, delivery, and team leadership with significant industry experience.
Java, Python, AWS, EKS, S3, Lambda, EMR, Terraform, Kafka, Databricks
2mo
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Senior Java Developer - Vice President
New Castle, Delaware, United States
HybridFull Time
6+ YOEProficiency in Java, API, Cloud engineering; RESTful APIs with Spring; Oracle/SQL/NoSQL; OpenShift/Kubernetes; CI/CD; SDLC/Agile; DevOps; able to work in fast-paced environment.
Java, API, Spring, Oracle, SQL, MongoDB, OpenShift, Kubernetes, MQ, Kafka, CI/CD, SDLC, Agile
1mo
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AI Software Engineer – Java
Aberdeen, Maryland, United States
$130k-$160k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
5+ YOE5+ years Java development experience, experience with Spring/Spring Boot or Jakarta EE, REST/microservices, databases, CI/CD and container technologies, familiarity with AI/ML integration, DoD Secret clearance required; Bachelor’s degree or equivalent.
Java, Spring Boot, Spring Framework, Jakarta EE, REST, SOAP, JMS, gRPC, PostgreSQL, Oracle, MySQL, MongoDB, Git, Jenkins, Maven, Gradle, Linux, Docker, Kubernetes, TensorFlow, PyTorch, OpenAI APIs, LangChain, Hugging Face, Microsoft Outlook, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Microsoft Teams
2mo
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Senior Java Developer - Vice President
New Castle or Irving
$126k-$189k/yr HybridFull Time
6+ YOEProficiency in Java, RESTful APIs (Spring), Oracle/SQL/MongoDB, OpenShift/Kubernetes, MQ/Kafka, cloud engineering, DevOps/CI/CD, SDLC/Agile; strong systems analysis; 6+ years preferred; Bachelor’s required, Master’s preferred.
Java, API, Spring, Oracle, SQL, NoSql, MongoDB, OpenShift, Kubernetes, MQ, Kafka, SDLC, Agile, DevOps, CI/CD, GenAI, LLMs
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience with ~2 years senior-level responsibilities; strong JVM (Java/Kotlin/Scala) or backend skills, microservices, cloud (GCP/AWS/Azure), Docker/Kubernetes, Postgres/AlloyDB, and practical LLM/AI tool use.
Java, Kotlin, Scala, Python, Go, Node, TypeScript, JVM, Spring, Google Cloud Platform (GCP), AWS, Azure, Docker, Kubernetes, Postgres, AlloyDB, Kafka, Spark, Storm, RESTful APIs, ChatGPT, Claude, Cursor, Windsurf, Copilot, MCP
3w
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
1mo
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Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
10+ YOEBSc and 10+ years software development experience, U.S. citizenship with active Secret clearance, proficiency with Java/Python/C#/JavaScript, Linux/Windows experience, testing and documentation skills, DoD experience preferred.
Java, Python, C#, JavaScript, Linux, Windows
1w
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Senior Software Developer (NLP)
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEUS citizen with Secret clearance; bachelor’s degree with 5 years relevant software development experience (or 8 years experience); experience integrating NLP into production, proficiency in modern programming languages and mission-critical systems.
Python, C++, Java, C#, Go, Docker, Kubernetes, transformer-based frameworks, vector databases, LLM APIs
2mo
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Software Engineer 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
14+ YOE14+ years software development; Java; REST; middleware; Scrum; TS/SCI with CI Poly clearance; Bachelor's degree; strong team player.
Java, REST, Middleware, Web Services, ETL, Unit Testing, Scripting
1mo
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Java Lead
Wilmington, Delaware, United States
OnsiteFull Time
15+ YOE15 years IT experience with application development lifecycle; Bachelor\u0002s in Computer Science or related; strong Java/J2EE/Java EE skills, Spring Boot, Axon, microservices, web services, multithreading, XML, cloud-native experience; team leadership and hiring experience.
Java, J2EE, Java EE, Spring Boot, Axon, XML, Scrum
3mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteMultiple Commitments Available
4+ YOE4-6 years professional software engineering; strong backend Java and Python; SQL/data modeling; AWS; DynamoDB, RDS, PostgreSQL; CI/CD; Docker; ECS/EKS; CloudWatch/Datadog; excellent communication and collaboration.
AWS, Docker, Kubernetes, ECS, EKS, CloudWatch, Datadog, DynamoDB, RDS, PostgreSQL, DocumentDB, CI/CD
1mo
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Java Lead
Wilmington, Delaware, United States
$109k-$151k/yr OnsiteFull Time
15+ YOE15 years IT experience; bachelor’s in CS or similar; deep Java/J2EE/Java EE expertise; microservices and Spring Boot; cloud-native, DDD/SAGA/CQRS experience; coaching and hiring experience.
Java, J2EE, Java EE, XML, Axon, Spring Boot, Scrum
1mo
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Senior Software Engineer, Medical Device
Newark, Delaware, United States
$107k-$167k/yr HybridFull Time
5+ YOEExpert in .NET/C# and object-oriented design with strong CS fundamentals, multithreading, debugging, CI/CD and software architecture; 5+ years (Bachelors) or 4+ years (Masters) experience; mentoring and technical leadership skills; medical device experience a plus.
.NET, C#, WPF, Java, Android, C++, C, DICOM, HL7, CICD
1mo
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Senior Lead Software Engineer, Full Stack (Bank Tech)
McLean or Wilmington or Philadelphia
$209k-$262k/yr OnsiteFull Time
6+ YOEBachelor's degree, 6+ years software engineering experience, 1+ year cloud experience (AWS/Azure/GCP); strong full-stack skills (JavaScript/Java/TypeScript/Python/Go), leadership of small teams, and fast onboarding to new codebases.
JavaScript, Java, TypeScript, Python, Go, AWS, Microsoft Azure, Google Cloud, Fargate, Lambda
2w
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Software Engineer 3 (D26)
Fort Meade or Anne Arundel County or Howard County or Baltimore
OnsiteFull Time
20+ YOE20+ years software engineering experience, active TS/SCI clearance, Bachelor’s in CS or related (or equivalent experience), strong architecture and leadership skills, experience with Java, Python, CI/CD, containers, and agile methods.
Java SE, Python, Git, Shell/bash, Nexus, Maven, JavaScript/HTML5/CSS3, JUnit, IDEs, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube, Spring Framework, Spring Tool Suite, Grit, Jenkins, Hibernate, MySQL, Web Services, Google Web Toolkit, Vaadin
1mo
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Radio Services Software Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$174k/yr OnsiteFull Time
10+ YOEBachelor's in CS/SE (or equivalent experience), 10+ years software engineering with 3+ years on DoD communications, proficiency in C++, Java, or Python, secure coding and networking protocols knowledge, active DoD Secret clearance.
C++, Java, Python, VENOM, Agile, DevSecOps
2mo
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Sr Software Developer
Annapolis Junction or Columbia
$174k-$220k/yr OnsiteFull Time
20+ YOEActive security clearance with FS Poly; 20+ years as a software engineer in similar scope, or 4+ years of experience
Java, PostgreSQL, Database design, RESTful API, Docker, Power BI, Python, Power Query M, MariaDB, Elasticsearch
2mo
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Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF