294 sr java developer jobs at 93 companies in Middletown, DE
5d
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Senior Java Developer
Newark, Delaware, United States
$80k-$100k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science and advanced Java development experience with microservices, Spring, Hibernate, REST APIs, and SQL databases.
Java, Spring Framework, Spring MVC, Spring Boot, Hibernate, RESTful APIs, Oracle SQL, PostgreSQL, SQL Server, Microservices
2w
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Sr. Java Full-Stack Developer
Baltimore, Maryland, United States
$90k-$194k/yr OnsiteFull Time
10+ YOE10+ years Java experience with Spring Boot 3.x, PostgreSQL/JPA/Hibernate, JWT/OAuth2/LDAP auth, Maven builds, automated testing (JUnit5, Mockito, Cucumber, Selenium), Jenkins CI/CD, Kubernetes/OpenShift, Git workflows, Eclipse and Lombok; ability to obtain Public Trust clearance.
Spring Boot, Thymeleaf, Mustache, Bootstrap, HTMX, jQuery, PostgreSQL, JPA, Hibernate, Liquibase, Flyway, JWT, OAuth2, Spring Security, Maven, JaCoCo, Surefire, Failsafe, JUnit 5, Mockito, Cucumber, Selenium, Parasoft SOAtest, Jenkins, Spring Cloud Config, Groovy, Python, Helm, Kubernetes, OpenShift, Git, Bitbucket, Confluence, Jira Service Desk, Eclipse, Lombok, Docker Compose, Grafana, TimescaleDB
2mo
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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
2w
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Lead Java Developer - Senior Vice President
New Castle or Tampa
$156k-$234k/yr HybridFull Time
5+ YOEExtensive Java engineering experience with microservices, Kafka, Oracle SQL, MongoDB, cloud platforms, CI/CD, DevOps, Agile or SAFe, and JVM performance tuning.
Java, JVM, Spring Boot, Spring MVC, Apache Kafka, Oracle SQL, MongoDB, OpenShift, AWS, Kubernetes, Docker, Jenkins, Gradle, Maven, Grafana, GitHub Copilot, Gemini, Python, LangChain, AutoGen, COBOL, Assembler, C++, RAG, MLOps, RESTful API, CI/CD, DevOps, Agile, SAFe
2w
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Lead Java Developer - Senior Vice President
New Castle or Tampa
$156k-$234k/yr HybridFull Time
Extensive Java experience, microservices, Kafka, Oracle SQL, MongoDB, OpenShift, AWS, Kubernetes, Docker, CI/CD, DevOps, Agile or SAFe, and technical leadership required.
Java, Apache Kafka, Oracle, Microsoft SQL, MongoDB, GitHub Copilot, Gemini, Spring Boot, Spring MVC, OpenShift, AWS, Kubernetes, Docker, Jenkins, Gradle, Maven, Grafana, Python, LangChain, AutoGen, COBOL, Assembler, C++, Agile, SAFe
2mo
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer science, information systems, or network engineering with 8+ years experience; strong C/C++, Java, Python; CNO tools; Windows/.NET and Unix/Linux development.
C, C++, Java, Perl, Python, Visual Studio, NET, Unix/Linux, Makefiles
1mo
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Senior Backend Engineer - Java
United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark
$152k-$194k/yr RemoteFull Time
8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.
Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube
2w
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Java Lead - Senior Software Engineer
Reading or Berwyn
$73k-$174k/yr HybridFull Time
10+ YOERequires 10+ years with Java, RESTful services, Spring MVC, Angular, and software development; experience with databases, Git, Maven, Jenkins, Docker, OpenShift, testing, and Agile projects.
Java, Spring Boot, Angular, TypeScript, Karma, Jasmine, JUnit, Mockito, SQL, Docker, OpenShift, Spring MVC, J2EE, Hibernate, Spring JPA, JavaScript, CSS, HTML, jQuery, Ajax, VueJS, MySQL, PostgreSQL, Oracle, Git, Maven, Jenkins, Spring Cloud, Nginx, NodeJS, Redis
2mo
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Lead Software Engineer - Java/AWS
New York or Wilmington
$152k-$215k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience, leadership experience, proficiency in Java/J2EE, REST APIs, microservices, Kafka, Spring/Spring Boot, AWS, CI/CD, and development toolsets (Git/Bitbucket, Jira, Maven).
Java, J2EE, REST APIs, Web Services, Kafka, Spring Framework, Spring Boot, AWS, CI/CD, Git, Bitbucket, Jira, Maven, Aurora Postgres
1w
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Software Engineer Sr - E3
King of Prussia, Pennsylvania, United States
$110k-$205k/yr OnsiteFull Time
Bachelor's degree or equivalent experience; software development with C#, Java, or similar object-oriented languages; collaborative development, Agile, problem-solving, and active TS/SCI clearance with favorable polygraph.
C#, Java, Git, GitLab, CI/CD
3mo
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Sr Software Engineer
Annapolis Junction or Columbia
$179k-$225k/yr OnsiteFull Time
12+ YOETwelve years of SWE experience; poly clearance; BS CS; Angular/RxJS; Spring Boot; Java; Kafka; Docker; Kubernetes; Oracle; Elasticsearch; CI/CD; strong problem-solving.
Angular, RxJS, Spring Boot, Spring MVC, Spring Data, Spring Security, JMS, Kafka, Java, Oracle, Elasticsearch, Docker, Kubernetes, Maven, Gradle, GitLab, CI/CD
5d
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr HybridFull Time
4+ YOERequires 4–6 years of software engineering experience, strong Java and Python backend skills, SQL, data modeling, AWS, databases, CI/CD, Docker, observability, Agile collaboration, and technical documentation.
Java, Python, SQL, AWS, DynamoDB, RDS, PostgreSQL, DocumentDB, Docker, ECS, EKS, CloudWatch, Datadog
2w
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Sr. Backend Engineer - Xumo
Irvine or Philadelphia
$142k-$189k/yr HybridFull Time
5+ YOEBachelor's degree preferred; 5+ years building Java backend servers, web service APIs, databases, and Linux systems. Requires microservices, Kubernetes, cloud, and video streaming experience.
Java, REST, SOAP, HTTP, SSL, MySQL, PostgreSQL, Oracle, MongoDB, Linux, CentOS, OSX, Docker, Kubernetes, Google Cloud, AWS, Azure, HLS, JSON, RSS, ETL, RabbitMQ, Kafka, MP4, Mpeg-Dash
5d
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Sr. Java J2EE Tech Lead (Property & Casualty (P&C) Insurance) FTE
Bala Cynwyd or Philadelphia
$106k-$160k/yr OnsiteFull Time
8+ YOERequires 8+ years of experience with Java 8, Camel, Spring Boot, Spring Framework, microservices, and REST API, plus P&C insurance, production support, application server, technical leadership, and Agile experience.
Java, Java 8, Apache Camel, Spring Boot, Spring Framework, Microservices, REST API, AI-assisted software engineering tools, Agile
1w
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Senior Java Full Stack Engineer with Angular (Hybrid)
Philadelphia or Fort Washington
$68k-$140k/yr HybridFull Time
Full-stack development experience with Angular, Java, Spring Boot, RESTful APIs, JavaScript/TypeScript, relational databases, CI/CD, Git, and strong communication and problem-solving skills.
Angular, Spring Boot, HTML5, CSS3, JavaScript, TypeScript, Terraform, AWS, Oracle PL/SQL, Git
6d
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Senior Software Engineer - Java, Microservices, MuleSoft & API Development (Remote)
Baltimore, Maryland, United States
$99k-$196k/yr RemoteFull Time
5+ YOEBachelor's degree in IT or Computer Science, or 4 additional years' relevant experience, plus 5 years in software development, architecture, coding, requirements, and software specification development.
Java, Spring, Spring Boot, Spring Cloud, Spring Core, Spring MVC, Spring Integration, REST, SOAP, Docker, Kubernetes, SQL, Oracle, Postgres, MongoDB, Cassandra, AWS, Azure Cloud, Elastic, ELK, Splunk, Azure Monitor, Postman, Newman, MuleSoft, DataWeave, FHIR, HL7, Cucumber, TestNG, Rest Assured, JSON, XML, Git, Bitbucket, Jira, Swagger, OpenAPI Specification, Azure Kubernetes Service (AKS), OAuth, Apache Kafka, Confluent, Kafka Streams, Apigee, Kibana, Maven, Jenkins, SonarQube, Artifactory, UNIX, Shell, JavaScript, C, Python
2w
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Sr Staff Fullstack Developer (Frontend focused)
Exton or Boulder or Huntsville or Dayton
$136k-$204k/yr OnsiteFull Time
4+ YOEBachelor's with 8 years, master's with 6, or PhD with 4; front-end and back-end development expertise, cloud deployment, web components, Git, Agile, and testing experience.
HTML5, CSS3, JavaScript, React, Angular, C#, Java, Python, Node.js, Docker, Kubernetes, AWS, Microsoft Azure, Git, Jasmine, Karma, Jest, Vitest, Ansys
2mo
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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
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
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Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
10+ YOEBachelor of Science and 10+ years of software development experience required. Requires programming experience with Java, Python, C#, JavaScript, Linux systems, software architecture, testing, and documentation.
Java, Python, C#, JavaScript, Linux, Windows
2mo
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Senior Android Developer – Banking Applications
Wilmington, Delaware, United States
$107k-$178k/yr HybridFull Time
3+ YOE5+ years Android development with Java/Kotlin; banking/fintech experience; secure mobile development; testing frameworks; collaborative team player.
Java, Kotlin, Android, Jetpack Compose, Espresso, JUnit, Mockito, CI/CD, DevOps, Secure coding