Top Senior Java Developer Jobs in Chicago, IL

The Senior Java Web Developer will design, develop, test, and implement web and API-based software solutions while collaborating with a team and managing multiple priorities.

The Senior Java Web Developer will design, develop, and implement web and API-based software solutions, ensuring quality and adherence to standards.

Design and develop web and API-based software solutions, manage multiple priorities, and ensure compliance with best practices. Requires strong collaboration and communication skills.

Lead engineering teams to drive transformation in Employee Benefits applications using Java and AWS. Design scalable technical solutions, mentor junior engineers, and implement standards for quality assurance.

Designs, develops, and maintains software applications, acts as a technical leader, mentors team members, manages source code, and works on complex Java services.

Optimize and scale blockchain node performance, design and implement core system plugins, collaborate with cross-functional teams, conduct performance testing and debugging, and stay current on blockchain and distributed systems technologies to maintain reliable infrastructure.

Develop and maintain Java backend services for enterprise blockchain applications, integrate APIs with React/Vue frontends, design scalable blockchain solutions, troubleshoot complex backend issues, and collaborate with the team to apply best practices and stay current with blockchain trends.

Design, develop and operate microservice-based components for a derivatives exchange platform. Collaborate with product, security and DevOps teams to build scalable, secure back-end systems with automated testing, CI/CD, and rapid deployment. Participate in code audits, testing, release, and cross-stack problem solving; optimize and implement trading models and products.

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 Staff Software Engineer will lead the development and architecture of complex systems, work with cross-functional teams, and ensure quality and scalability of applications.

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

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

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.

Seeking a Full Stack Developer with 6+ years experience, specializing in Java, Spring, and AWS, to build and mentor in Agile environments.

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.

The Staff Engineer will leverage over 5 years of experience in Java, JavaScript, and frameworks to develop robust solutions, mentor teammates, and enhance client outcomes while utilizing agile methodologies and cloud development tools.

Seeking a Staff Engineer with 5+ years in Java, focusing on mentoring teammates, solving client challenges, and conducting cloud development.

The role involves owning feature delivery, designing internal APIs, optimizing performance, mentoring junior engineers, and contributing to incident response.