Experienced Java Developer Jobs in Chicago, IL by Top Level Recruiter

We are seeking a seasoned Java Developer with 8+ years of strong experience in designing, developing, and deploying scalable microservices using Spring Boot and related Java technologies. The ideal candidate will work closely with cross-functional teams to design robust backend solutions in a fast-paced, agile environment. This role requires a deep understanding of microservices architecture, RESTful APIs, cloud technologies, and best coding practices.

Responsibilities:

• Design, develop, and maintain scalable and high-performing Java-based microservices using Spring Boot.
• Collaborate with front-end developers, product managers, and other stakeholders to deliver business-critical features.
• Implement RESTful APIs, and integrate third-party APIs and internal services.
• Optimize applications for performance, scalability, and reliability.
• Participate in code reviews, mentor junior developers, and enforce best practices.
• Write unit and integration tests using JUnit, Mockito, or similar frameworks.
• Work in an Agile/Scrum environment with continuous integration and delivery (CI/CD).
• Debug and resolve production issues and provide support as required.
• Participate in architectural decisions and contribute to system design.

Qualifications:

• Bachelor's or Master’s degree in Computer Science, Engineering, or related field.
• 8+ years of professional experience in Java/J2EE development.
• Strong experience with Spring Boot, Spring MVC, Spring Cloud, and Spring Security.
• Solid understanding and hands-on experience with microservices architecture.
• Strong knowledge of REST APIs, JSON, and web services.
• Experience with SQL and NoSQL databases like PostgreSQL, MySQL, MongoDB, etc.
• Familiarity with Docker, Kubernetes, or other container orchestration technologies.
• Exposure to cloud platforms such as AWS, Azure, or GCP.
• Experience with CI/CD pipelines using Jenkins, Git, Maven/Gradle.
• Excellent problem-solving and communication skills.

Preferred Skills:

• Knowledge of messaging systems like Kafka, RabbitMQ, or ActiveMQ.
• Familiarity with DevOps practices and infrastructure as code (IaC).
• Experience with monitoring tools (e.g., Prometheus, ELK Stack, Grafana).
• Front-end knowledge (Angular/React) is a plus but not required.