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Top Java Developer Jobs in Milwaukee, WI
Information Technology • Software • Consulting
Seeking a Java Developer with project leadership experience for requirements gathering, design, implementation, and testing. Will involve customizing and supporting the KNOVA KM application.
Top Skills:
Aptean'S KnovaJava
Blockchain • Software • Cryptocurrency
Design, build, and maintain efficient, reusable Java backend systems; translate business requirements into applications; optimize performance and stability; review and test code for quality and security; identify and fix bottlenecks and bugs; maintain code quality and system responsiveness.
Top Skills:
JavaKafkaKubernetesMicroservicesMongoDBMySQLPrometheusReactorRedisRestSpring FrameworkSpring BootWeb ServicesXxl-Job
Information Technology • Professional Services • Software • Consulting
Develop, test, and deploy Java application components. Create JUnit tests and component documentation, prepare test environments, run component/assembly/system tests, troubleshoot and support applications, and collaborate with users to validate test results.
Top Skills:
JavaJSONJunitRestSpringXML
Artificial Intelligence • Cloud • Information Technology • Software
Develop and maintain high-performance Java applications, work on web and mobile applications, and collaborate in Agile/Scrum teams.
Top Skills:
AWSCSSDockerEclipseGitGradleHibernateHTMLIntellijJavaJavaScriptJunitKubernetesMavenMySQLOracleSpringSQLTestng
Artificial Intelligence • Cloud • Information Technology • Consulting
Lead a team of developers to design, architect, and deliver scalable, secure microservices-based enterprise applications. Hands-on coding, code reviews, performance tuning, CI/CD, cloud deployments, stakeholder collaboration, and mentoring. Drive architecture, HLD/LLD, root-cause analysis, and timely delivery in Agile environments.
Top Skills:
AWSAzureCassandraCi/CdDockerDomain-Driven DesignEvent-Driven ArchitectureGCPGitHibernateJ2EeJavaJava 11Java 17Java 8JenkinsJmsJpaKafkaKubernetesMicroservicesMongoDBMySQLOraclePostgresRabbitMQRest ApiSpring BootSpring MvcSpring SecuritySQL Server
Information Technology • Professional Services • Software • Consulting
Design and develop Java/J2EE applications and frontend UI using Angular or React. Build SOAP/REST web services, RESTful APIs with Node.js or Spring Boot, use Struts/Spring/Hibernate and JMS, work with SQL and document databases, configure application servers (WebSphere), and lead client-facing, insurance-domain projects.
Top Skills:
AngularBootstrap 3.XDocument DatabasesEclipseFoundation 5.XHibernateJ2EeJavaJava Messaging Service (Jms)Message Driven BeansNode.jsReactRestSoaSoapSpringSpring BootSql DatabasesStruts 1.XWebsphere Application Server
Information Technology • Professional Services • Software • Consulting
Develop and maintain Java/J2EE applications using Struts, Spring, Hibernate and JMS; build SOAP/REST web services and RESTful APIs with Node.js or Spring Boot; implement front-end UIs with Angular or React and Bootstrap/Foundation; work with SQL and document databases; configure WebSphere and application servers; collaborate with clients and stakeholders in the insurance domain.
Top Skills:
AngularBootstrap 3.XEclipseFoundation 5.XHibernateJ2EeJavaJavaScriptJmsMessage Driven BeansNode.jsNoSQLReactRestSoapSpringSpring BootSQLStruts 1.XWebsphere Application Server
Fintech
Design, develop, test, operate and maintain full‑stack, production-ready Java microservices. Ensure scalable, reliable systems, perform code reviews, follow security and compliance, embrace DevOps practices, troubleshoot failures, and mentor junior engineers.
Top Skills:
Apache KafkaApi SecurityApigeeAWSAzureCassandraCloudbeesGCPGraphQLHibernateJ2EeJavaJenkinsJpaJwtKubernetesMicroservicesMongoDBMs SqlOauthPostgresRancherRestSparkSpring BootSpring Cloud
Retail
Design, develop, test, deploy and maintain Java-based enterprise applications using Spring and microservices. Perform code reviews, optimize performance, assist in architecture and project planning, mentor developers, and collaborate with cross-functional teams to meet deliverables.
Top Skills:
AgileCachingCi/CdGitJavaJpaJSONMicroservicesRestService DiscoverySoapSpringSQLXML
Information Technology • Professional Services • Consulting
Lead design, development, testing, and maintenance of enterprise Java microservices and front-end applications. Build APIs, CI/CD pipelines, and containerized deployments; troubleshoot production, ensure security/compliance, mentor junior developers, and collaborate within Agile teams.
Top Skills:
AngularCi/CdDockerDynamoDBGitHibernateJ2EeJavaJava 17Java 8JenkinsJpaJunitJwtKafkaKubernetesMicroservicesMockitoMongoDBMySQLOauthOraclePostgresPostmanRabbitMQReactRest ApisSoap UiSpring Boot
18 Days AgoSaved
Agency • Information Technology
Build and deliver backend enterprise web applications for Citi's Integrated Digital Assets Platform using Java/Spring and web3 technologies. Collaborate with distributed teams, follow best practices and design patterns, write technical documentation, resolve issues, and ensure scalability, reliability, and performance.
Top Skills:
Asynchronous ProgrammingContainersGitHelm ChartsJavaJenkinsJIRASoliditySpringWeb3Web3JWeb3Js
Retail
Design, develop, test, deploy and maintain enterprise Java applications. Lead architecture reviews, optimize performance, perform code reviews, and mentor developers. Work in microservice environments using Spring, REST, JPA, SQL and CI/CD practices while collaborating with cross-functional teams to deliver timely, high-quality software.
Top Skills:
CachingCi/CdGitJavaJpaJSONMicroservicesRestService DiscoverySoapSpringSQLXML
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Fintech • Insurance
The Senior Application Developer at MGIC is responsible for planning and developing solutions, providing support, and enhancing applications while following coding standards and SDLC practices.
Top Skills:
AgileAngularApi DevelopmentCobolHibernateJavaJunitOutsystemsSpring
eCommerce • Logistics
The role involves designing and developing scalable backend services using Java and Spring Boot, leading a team, and optimizing performance in Azure environments. Responsibilities include event-driven systems design, mentorship, and championing best practices.
Top Skills:
AzureElasticsearchGitGradleHibernateJavaKafkaKubernetesNoSQLOauthRdbmsRest ApiSparkSpring BootWebflux
Agency • Information Technology
Design, build, and maintain server-side Java applications and RESTful APIs. Optimize performance and scalability, ensure security, collaborate with cross-functional teams, perform code reviews, troubleshoot production issues, and document system architecture.
Top Skills:
AWSAzureCi/CdDockerGitGithub ActionsHibernateJavaJenkinsKubernetesMicroservicesNoSQLRestful ApisSpring BootSQL
Agency • Information Technology
Reverse-engineer TIBCO BW/MFT processes to extract business logic, then design and implement a modular Java/Spring Boot microservices replacement. Migrate protocols to Kafka/RabbitMQ/REST, translate XML transformations, ensure data persistence and consistency, and validate performance to meet existing SLAs.
Top Skills:
Apache CamelEmsJava 19KafkaRabbitMQRendezvousRestSpring BootSpring IntegrationSQLTibco BusinessworksTibco MftXml SchemaXpathXslt
Agency • Information Technology
Analyze legacy TIBCO BusinessWorks/MFT processes to extract business logic, design and build a decoupled Java/Spring Boot microservices platform, migrate protocols to Kafka/RabbitMQ/REST, translate XML-heavy transformations to modern formats, and validate performance and SLAs to match legacy throughput.
Top Skills:
Apache CamelJava 19+JSONKafkaRabbitMQRestSpring BootSpring IntegrationSQLTibco BusinessworksTibco EmsTibco MftTibco RendezvousXMLXml SchemaXpathXslt
Agency • Information Technology
Design, build, and maintain Java/J2EE multi-layer applications and APIs. Collaborate with architects and DevOps to implement CI/CD, code quality, testing, and database solutions (DB2/Oracle, PL/SQL). Support cross-team delivery, resolve technical roadblocks, and drive process improvements in an asset management/financial services context.
Top Skills:
Api DesignDb2GitHp Operations OrchestrationHp Service ManagerJ2EeJavaJenkinsOraclePl/SqlServicenowSonarSpringStored ProceduresTransactional SqlUdeployWebservices
Reposted 20 Days AgoSaved
Blockchain • Fintech • Software • Cryptocurrency • Metaverse
Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.
Top Skills:
Apache (Open-Source Projects)BenchmarkingJavaKafkaLinuxMachine LearningMicroservicesNoSQLProfilingRabbitMQRestful ApisSpring BootSQL
Computer Vision • Software
Build and maintain backend services and REST APIs using Java (11/17+) and .NET (ASP.NET Core). Implement business logic, data access, and integrations; write well-tested code with JUnit/xUnit/NUnit; contribute to CI/CD and DevOps; participate in design, code reviews, and Agile ceremonies.
Top Skills:
.NetAsp.Net CoreAWSC#Claude CodeCursorDockerGitGithub ActionsJavaJpa/HibernateJunitKubernetesMicroservicesMs Sql ServerNunitOracleRest ApisSpring BootSpring MvcSQLXunit
Reposted 21 Days AgoSaved
Cloud • Security • Software • Generative AI
Design, build, and improve Elasticsearch distributed-systems components for scalable, concurrent, and consistent indexing. Maintain cluster coordination for performance and resilience, push system scale limits, investigate performance and concurrency issues, support operations/support engineers, and lead projects involving multiple engineers from design through delivery.
Top Skills:
ElasticsearchJavaJdkLuceneNetty
Information Technology • Professional Services • Consulting
The Senior Full Stack Java Developer will design and maintain enterprise applications using Java and modern front-end technologies while collaborating in Agile teams and mentoring junior developers.
Top Skills:
AngularDockerDynamoDBGitHibernateJ2EeJavaJenkinsJunitKafkaKubernetesMockitoMongoDBMySQLOraclePostgresPostmanRabbitMQReactRest ApisSoap UiSpring Boot
Agency • Information Technology
Develop and operate Java Spring Boot microservices, deploy and manage services on Kubernetes, perform JVM profiling and heap analysis, load test, diagnose memory leaks, OOMs and P99 latency spikes, remediate security vulnerabilities, and maintain GitHub-based CI/CD and branching workflows.
Top Skills:
ArgocdAWSCi/CdFluxcdGitGitflowGitGithub ActionsGithub CopilotGkeHelmHelm ChartsJavaJvmKubernetesMicroservicesSpring BootTerraformTrunk-Based Development
Information Technology • Consulting
Develop, maintain, and deploy Java-based applications using Spring MVC and microservices. Diagnose and fix bugs and performance issues, design scalable systems, use CI/CD and version control, follow security guidelines, and communicate progress with project managers.
Top Skills:
BitbucketCi/CdGitJavaJenkinsKeycloakMicroservicesQuarkusRestful ApiSpring MvcSQL
Aerospace • Information Technology • Professional Services • Security • Software
Design, develop, and modernize full-stack web applications using Java and Angular in a cloud microservices architecture. Build and deploy Dockerized services on AWS (ECS/ECR), implement REST APIs, write unit and automated tests, enforce code quality in GitLab pipelines, collaborate in Agile teams, and mentor teammates. Participate in sprint ceremonies, manage user stories, perform testing (functional, exploratory, performance), and resolve defects to deliver reliable production software.
Top Skills:
AngularAWSAws CertifiedDockerEcrEcsGitlabGitlab RunnerGradleJavaJIRAJunitKarmaMavenMicroservicesNode.jsNpmOktaOraclePostgresRallyRest ApisSpring BootTerraform
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