Top Java Developer Jobs in Omaha, NE

Develop and optimize cross-platform 2D and 3D games using Java and libGDX for desktop, Android, and web. Collaborate with artists and designers to prototype and implement gameplay, UI, and interactive systems, maintain modular reusable code, profile and debug performance issues, and produce clear documentation and team communication.

Build and maintain straightforward 2D game features using Java and libGDX to generate high-quality training data for AI. Implement basic mechanics (sprite management, game loops, input handling), fix performance issues, participate in code reviews, document workflows, and collaborate remotely with AI experts and cross-functional teams.

The Senior Java Engineer will design complex systems, optimize performance, maintain code quality, and ensure application reliability. Responsibilities include translating requirements into applications and troubleshooting issues.

Design, implement, test, and maintain full‑stack features and services for the Cayuse Research Platform. Drive architecture, prototypes, and technical debt reduction while practicing TDD, expanding automated QA, collaborating cross‑functionally, and ensuring high quality delivery in an Agile environment.

Design, build, and support cloud-native full stack or backend Java products using TDD, CI/CD, microservices and event-driven patterns. Collaborate with product teams, provide production support, implement monitoring and ensure secure, performant systems.

The Senior Software Engineer at Ensono will design, develop, and maintain enterprise Java applications, handle technical analyses, manage middleware configurations, and implement DevOps practices.

The role involves improving Elasticsearch's distributed components, maintaining cluster coordination systems, and addressing complex issues to optimize performance and scalability.

Lead backend Java development and architecture for enterprise applications. Design and deliver scalable, resilient microservices and APIs, mentor developers, lead technical decisions, support production incidents, and implement CI/CD and cloud-native solutions on AWS.

Develop and lead Java/J2EE applications using Spring and Hibernate; perform project lead activities (estimation, resource management, prioritization); work in onsite-offshore and global delivery models; follow SDLC and project lifecycle for development and maintenance. Payments domain experience is a plus.

Develop and maintain Java/J2EE applications using Spring, Hibernate, Servlets, WebLogic and AngularJS. Lead small teams in an onsite-offshore model, participate in SDLC and project lifecycle activities, perform estimations and resource management, and collaborate with diverse stakeholders. Payments/credit-card domain experience is a plus.

Develop and maintain Java/J2EE applications using Spring, Hibernate, Servlets, JavaBeans and AngularJS. Lead small teams in an onsite-offshore model, perform project lead activities (estimation, resource management, prioritization), follow SDLC and project lifecycle for development and maintenance, research emerging technologies, and work in a global delivery environment. Payments domain experience is a plus.

Design, develop and maintain Java/J2EE applications using Spring, Hibernate and AngularJS. Build SOAP/REST web services, perform SDLC and project lifecycle tasks, lead and mentor a small team, coordinate onsite-offshore delivery, estimate and prioritize work, collaborate via Jira/Git/Maven/Confluence, and support deployment on Linux/Unix and WebLogic environments.

Develop and lead Java/J2EE applications using Spring/Hibernate and AngularJS. Design and maintain SOAP/REST web services, participate in SDLC and project lifecycle tasks, collaborate with offshore teams in a global delivery model, perform estimation/resource management, and mentor/lead team members. Payments domain experience is a plus.

Develop and maintain Java/J2EE applications using Spring, Hibernate, Web Services and related tools. Lead small teams, perform project lead activities (estimation, resource management, prioritization), collaborate with offshore teams in a global delivery model, participate in SDLC and project lifecycle tasks, research emerging technologies, and work in payments domain when applicable.

Develop and lead Java/J2EE front-end applications using Spring, Hibernate and AngularJS; build and consume SOAP/REST services; participate in SDLC and project lifecycle tasks, lead/mentor a team, collaborate with offshore teams, perform estimations/resource management, and support credit card/payments projects as needed.

Develop and maintain Java/J2EE applications using Spring, Hibernate, AngularJS and Web Services. Lead small teams and perform project lead activities (estimation, resource management, prioritization). Collaborate with offshore teams in a global delivery model, follow SDLC and project lifecycle, and research/adopt emerging technologies. Payments domain experience is a plus.

Experienced Senior Java/J2EE developer (10+ years) responsible for hands-on coding, complex SQL development, front-end work with JavaScript/HTML/CSS, and retail SCM domain expertise (WMS, inventory, order management). Coordinates offshore/onshore teams, supports data migration/staging, works with business users to define requirements and roadmaps, and delivers projects using Agile and Waterfall methodologies.

Senior Java/J2EE developer responsible for hands-on Java and front-end (HTML/CSS/JavaScript) coding, SQL work, and retail SCM domain tasks (WMS, inventory, order management). Coordinate offshore/onshore teams, support data migration/staging, work with business users to define requirements and roadmaps, and deliver projects using Agile and Waterfall approaches. Contract-to-hire, strong communication required.

Senior hands-on Java/J2EE developer responsible for coding, complex SQL development, and front-end work (JavaScript/HTML/CSS). Must have deep Retail SCM knowledge (WMS, inventory, order management), experience with data migration/staging, work with business users to define requirements and roadmaps, deliver use-case driven solutions, follow Agile/Waterfall, and coordinate offshore-onshore teams. 6-month contract-to-hire.

Design, develop, and maintain Java-based backend services and APIs for KeeperApp. Own backend components, optimize MySQL schemas/queries, ensure performance and reliability, apply secure coding practices, participate in code reviews, and collaborate with product and engineering teams to deliver features iteratively.

Design, build, and maintain low-latency, high-availability backend services and REST APIs. Troubleshoot production issues, improve performance, write technical specs, participate in on-call rotations, and collaborate on the bot runtime platform.

Design, develop, and optimize high-performance Java backend systems. Contribute to architecture, implement core modules, troubleshoot production issues, perform code reviews, and improve scalability, availability, and reliability of distributed financial or blockchain systems.

Design, develop, and maintain scalable Java backend services and RESTful APIs. Collaborate with frontend, product, and stakeholders; write clean, tested code; troubleshoot and resolve issues; participate in code reviews; and improve systems, particularly for large-scale distributed environments.

Design, develop, and maintain high-performance Java microservices using Spring Boot. Implement threading/concurrency, fault tolerance (Hystrix/circuit breakers), observability (SLI/SLO), event-driven solutions with Kafka, and deploy on Kubernetes/AWS. Mentor junior developers and collaborate with cross-functional teams.

Design and implement large-scale data applications using Java, Spark, and MapReduce within Cloudera/Hadoop ecosystems. Integrate Hive, Impala, YARN, and Kafka, perform data analysis, write tests (JUnit), use scripting, and manage global technology teams following industry best practices.