Top Java Developer Jobs in Las Vegas, NV

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.

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.

Design, build, and maintain Java Spring Boot microservices and APIs. Write scalable, testable code and automated tests, troubleshoot and optimize performance, collaborate with architects, front-end, and product owners, participate in Agile ceremonies, perform code reviews, and maintain documentation.

Develop and maintain Java/J2EE applications using the Spring ecosystem. Build REST and SOAP web services, implement thread-safe concurrent code, integrate messaging systems (Kafka/ActiveMQ), work with RDBMS (Oracle/Postgres/SQL Server), and use development tools and application servers (Eclipse, Git, Gradle, Jenkins, Tomcat, JBoss).

Design, develop, and deliver new Java/Spring features and modules. Write unit and integration tests, investigate technical solutions, review requirements and documentation, participate in code reviews, and collaborate closely with developers and QA to ensure high-quality releases.

Design, build, test, and maintain Java Spring Boot microservices. Collaborate with architects, front-end developers, and product owners to define APIs, translate requirements, write automated tests, debug and optimize performance, participate in Agile ceremonies, perform code reviews, and maintain technical documentation.

Design, develop, and maintain Java/J2EE applications using Spring (Boot, MVC, Data, Security). Build REST and SOAP services, implement thread-safe concurrent code, integrate messaging (Kafka/ActiveMQ), work with RDBMS (Oracle/Postgres/SQL Server), use dev tools (Eclipse, Git, Gradle, Jenkins, Sonar, Jira, Artifactory) and deploy to app servers (Tomcat/Jetty/JBoss).

Develop and maintain high-performance Java applications, work on web and mobile applications, and collaborate in Agile/Scrum teams.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Develop, maintain, and optimize backend services and RESTful APIs using Node.js, Java, or .NET. Integrate with databases and third-party services, collaborate with cross-functional teams, participate in code reviews, and ensure performance, reliability, and security in an Agile environment.

Lead design and delivery of scalable, resilient distributed systems. Act as technical authority across teams, mentor engineers, drive architecture and CI/CD best practices, troubleshoot production issues, optimize performance, and enhance observability while writing production-grade Java.

As a Senior Software Engineer, you will maintain and develop data connectors, enhance data integrations, and improve developer experience within the ClickHouse data ecosystem.

The Senior Java Developer will design, develop, and implement custom software solutions in Agile teams, mentor juniors, and ensure product quality.

Translate functional requirements into technical designs, develop Java-based applications (Spring/SpringBoot), write unit tests (JUnit), build RESTful APIs, collaborate with QA on test scenarios, maintain system documentation, and support deployments and Tomcat configuration.

Senior Java engineer delivering AI-augmented production features and modernizations across a Java/Python/AWS stack. Pair with engineers to embed agentic practices, own systems end-to-end, participate in AI-augmented reviews, and judge agent use versus human intervention.