185 senior software developer java jobs at 73 companies in Middletown, 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
3w
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Senior JAVA Developer
Philadelphia, Pennsylvania, United States
$121k-$189k/yr OnsiteFull Time
8+ YOEBachelor's in a technical field,8+ years Java development with Java 17+,experience with large codebases,Git/GitLab,CI/CD,SonarQube,Jira;U.S. citizenship and ability to obtain Secret clearance required.
Java, Java 17, Gradle, bash, python, structured text, ladder logic, GitLab, Git, Jira, SonarQube, GitLab CI/CD, JGroups, Docker, RHEL 8/9
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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Sr Software Engineer - Java
King of Prussia, Pennsylvania, United States
OnsiteFull Time
6+ YOE6+ years software delivery experience; strong Java and Spring Boot; experience with datastores, DevOps/CI/CD, Git; bachelor's degree or equivalent experience.
Java, Spring Boot, React, Kubernetes, Docker, Helm, Gradle, Git, GitLab CI, Linux, Windows CLI, CI/CD, GitOps
1mo
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Senior Software Engineer - Java Microservices
Berwyn or New York City
$82k-$193k/yr OnsiteFull Time
10+ YOE10+ years experience with Core Java/J2EE, Spring Boot/MVC, RESTful services, front-end frameworks (Angular/VueJS), RDBMS (MySQL/PostgreSQL/Oracle), GIT, Maven, Jenkins; Agile experience and strong analytical/problem-solving skills.
Java, J2EE, Spring MVC, Angular, Spring Boot, Restful Web Services, Hibernate, Spring JPA, JavaScript, CSS, HTML, jQuery, Ajax, VueJS, MySQL, PostgreSQL, Oracle Database, GIT, Maven, Jenkins, Spring Cloud, Nginx, NodeJS, Redis
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
1d
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Senior Specialist - Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
6+ YOEBachelor's in CS/Information Systems or equivalent,6+ years software development experience,strong Java and OOD skills,EMR not applicable,clear communicator,experience with low-latency systems preferred.
Java, AWS, AI/ML
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5-7 years software engineering experience with ~2 years senior-level responsibility; strong JVM (Java/Kotlin/Scala), microservices, Postgres/AlloyDB, cloud (GCP/AWS/Azure), Docker/Kubernetes, distributed systems, and AI tool usage.
Kotlin, Spring, Postgres, AlloyDB, Google Cloud Platform (GCP), AWS, Azure, Docker, Kubernetes, Java, Scala, Python, Go, Node/TypeScript, Kafka, Spark, Storm, ChatGPT, Claude, Cursor, Windsurf, Copilot
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
6d
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Software Engineer Principal - Angular/Java/Kafka
Pittsburgh or Philadelphia or Cleveland or Dallas or Birmingham or Denver or Phoenix
$91k-$186k/yr OnsiteFull Time
5+ YOE5+ years industry experience, strong Java and Angular development, Kafka and event-driven experience, CI/CD (Jenkins), bachelor\u000b's degree typically required, strong design and architecture skills.
Java, Angular, Kafka, Jenkins, Flowable
2mo
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Java Software Engineer - Level 3
King of Prussia, Pennsylvania, United States
$93k-$164k/yr OnsiteFull Time
5+ YOEExtensive experience with Java and/or JavaScript; experience with containerization (Kubernetes, Docker, Helm, Containerd) and cloud (AWS, Azure, OpenStack, OpenShift); Agile, JIRA, Confluence, CI/CD (GitLab, ArgoCD); US citizenship and eligibility for TS/SCI clearance; algorithm and optimization experience preferred.
Java, JavaScript, GitLab, Kubernetes, Docker, Rancher, Helm, Containerd, AWS, Azure, OpenStack, OpenShift, JIRA, Confluence, ArgoCD
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
2w
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Senior Software Engineer, Backend FinPlatform
New York City or San Francisco or Salt Lake City or Los Angeles or Seattle or Austin or Washington or Philadelphia or San Diego or Chicago or Atlanta or Australia or Canada or South America
$146k-$215k/yr RemoteFull Time
6+ YOE6+ years software engineering experience, 4+ years with Java, experience with backend systems, APIs, data pipelines, AWS, and distributed teams.
Java, Spring, Gradle, JUnit, JVM, AWS, EKS, Aurora RDS, Elasticache, DynamoDB, GitHub Actions, git, DataDog, Snowflake, CDK, Terraform
5d
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Senior Software Engineer
Berwyn, Pennsylvania, United States
HybridFull Time
7+ YOE7+ years backend engineering with Java/Python, 2+ years hands-on AI/ML, experience designing distributed transactional systems in regulated fintech, security/observability knowledge, and production incident handling.
Java, Python, Spring Boot, SQL, Kafka, Kubernetes, Docker, LangGraph, RAG, Vector Stores
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