Java Backend Developer

Java Backend Developer - Chicago

United States

Job Description

We are seeking an experienced Java Backend Developer with 8+ years of expertise in designing, developing, and maintaining scalable enterprise applications. The ideal candidate should have strong hands-on experience in Java, Spring Boot, Microservices architecture, REST APIs, cloud platforms, and modern software development practices. The candidate will work closely with cross-functional teams to deliver high-quality and high-performance backend solutions.

Key Responsibilities

• Design, develop, test, and deploy scalable backend applications using Java and Spring Boot.

• Build and maintain Microservices-based architectures for enterprise-grade applications.

• Develop and consume RESTful and SOAP web services.

• Collaborate with architects, product owners, and front-end developers to deliver business requirements.

• Optimize application performance, scalability, and reliability.

• Implement security best practices using Spring Security, OAuth2, JWT, and authentication frameworks.

• Design and develop database solutions using SQL and NoSQL databases.

• Participate in code reviews, technical design discussions, and architectural decisions.

• Troubleshoot production issues and provide timely resolutions.

• Mentor junior developers and contribute to technical excellence across the team.

• Ensure adherence to coding standards, DevOps practices, and CI/CD processes.

• Required Skills & Qualifications

• 10+ years of experience in Java/J2EE application development.

• Strong expertise in Java 8/11/17 and Core Java concepts.

• Extensive experience with Spring Framework, including:

• Spring Boot

• Spring MVC

• Spring Data JPA

• Spring Security

• Spring Cloud

• Strong experience in Microservices architecture and distributed systems.

• Experience building RESTful APIs and integrating SOAP services.

• Hands-on experience with Hibernate/JPA.

• Strong knowledge of relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.

• Experience with messaging technologies such as Kafka, RabbitMQ, or ActiveMQ.

• Experience with cloud platforms such as AWS, Azure, or Google Cloud.

• Strong understanding of containerization and orchestration technologies like Docker and Kubernetes.

• Experience with CI/CD tools such as Jenkins, GitHub Actions, Azure DevOps, or GitLab CI.

• Proficiency in Git and Agile/Scrum methodologies.

• Preferred Qualifications

• Experience with event-driven architecture and distributed systems.

• Exposure to NoSQL databases such as MongoDB, Cassandra, or DynamoDB.

• Knowledge of monitoring and logging tools such as Splunk, ELK, Grafana, or Prometheus.

• Experience working in large-scale enterprise environments.

• Cloud certification (AWS/Azure) is a plus.

• Key Competencies

• Strong analytical and problem-solving skills.

• Excellent communication and stakeholder management abilities.

• Ability to lead technical discussions and guide development teams.

• Strong ownership, accountability, and attention to detail.

• Experience mentoring and coaching development teams

• Compensation, Benefits and Duration

• Minimum Compensation: USD 34,000

• Maximum Compensation: USD 121,000

• Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role.

• Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full time employees.

• This position is available for independent contractors

• No applications will be considered if received more than 120 days after the date of this post.