Top Java Developer Jobs in Peoria, IL

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

Design, develop, and support full stack applications using Java and Angular. Collaborate with teams in an Agile environment, mentor junior developers, and optimize CI/CD pipelines.

Develop and maintain BPM solutions using Appian, focusing on business logic and process models, coordinating with analysts, performing testing, and mentoring junior developers.

Provide technical and managerial direction for system design, develop and maintain Appian BPM solutions, and mentor junior developers.

As a Junior Java Developer, you will design and develop web components, perform testing, manage software deployment, and enhance existing code.

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.

The role involves building backend services for advisor productivity, integrating data sources, designing APIs, and contributing to both backend and frontend development in a greenfield project.

The role involves developing applications using Java and Spring, conducting business analysis, and ensuring alignment between technical teams and stakeholders.

The Senior Software Engineer will develop and maintain big data applications, focusing on distributed computing, automation, and collaboration with teams to enhance healthcare solutions.

As a Java Software Engineer III, you will design, develop, and maintain scalable Java-based backend services, mentor other engineers, and influence architectural decisions in an agile environment.

As a Senior Developer, you will modernize COBOL systems to Java, enhancing functionality and performance while collaborating with stakeholders and ensuring coding standards are met.

As a Senior Software Engineer, you will build cloud solutions, define migration strategies, mentor junior engineers, and ensure architectural integrity while collaborating with peers.

The Software Engineer will design and develop the MobiFin Elite platform for Fintech solutions, ensuring compliance with business requirements while mentoring junior developers and enhancing application performance.

Senior Java Software Engineer to design, code, test, deploy and support internal CCT applications within an Agile team. Provide technical leadership, build web services (REST/SOAP), develop frontend components (HTML5/CSS/JSON/jQuery/React), optimize Oracle/SQL Server databases, work with Spring/Hibernate and middleware/cloud platforms (Tomcat, WebLogic, OpenShift, Azure), support test automation, mentor colleagues, and resolve technical blockers to deliver maintainable, high-quality software.

The Product Engineer designs and implements digital products using modern technologies, manages production applications, and coaches teams in agile practices.

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

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.

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.

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.

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

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.

The Full-Stack Engineer will develop cloud-based solutions using Java and Spring Boot, work on micro-services, RESTful APIs, and ensure application quality by implementing best practices in an agile team environment.

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 and develop backend systems for a trading platform, implement low-latency components, collaborate with teams, and maintain automated test suites.