Java Backend Developer

Java Backend Developer Overview

Job ID: J55172 Job Title: Java Backend Developer Location: Chicago, IL Duration: 10 Months + Extension Domain Exposure: Healthcare Client: To Be Discussed Later Employment Type: W-2, 1099, C2C Work Authorization: US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: Java Backend Developer Location: Chicago, IL Duration: 10 Months + Extension Bill Rate: $82/hour (C2C) Job Type: W-2, 1099, C2C Client: To Be Discussed Later Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Summary: We are looking for an experienced Java Backend Developer responsible for designing, developing, and maintaining scalable backend applications and server-side components. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, REST APIs, database management, and cloud technologies. The candidate will work closely with frontend developers, architects, QA engineers, and DevOps teams to build high-performance enterprise applications.

Roles & Responsibilities

• Design, develop, and maintain backend applications using Java and Spring Boot.
• Build scalable and secure RESTful APIs for enterprise applications.
• Develop and maintain Microservices-based architecture.
• Implement business logic using Java, J2EE, and object-oriented programming concepts.
• Work with Spring Framework, Spring MVC, Spring Data JPA, and Hibernate.
• Design and optimize database schemas, queries, and stored procedures.
• Integrate backend services with third-party applications and external APIs.
• Implement authentication and authorization using Spring Security, OAuth 2.0, and JWT.
• Develop asynchronous processing using Kafka, RabbitMQ, or messaging systems.
• Improve application performance through caching and code optimization.
• Write unit and integration tests using JUnit and Mockito.
• Deploy and manage backend applications on AWS, Azure, or GCP.
• Work with Docker and Kubernetes for containerization and deployment.
• Participate in code reviews and maintain coding standards.
• Troubleshoot production issues and resolve application defects.
• Collaborate with cross-functional teams in Agile development environments.

Equal Opportunity Employer

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.

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