Backend Java Developer

Quick Facts

• Role: Backend Java Developer (Spring Boot / Core Java / Kafka)
• Work model: Hybrid (minimum 3 days onsite per week)
• Locations: Newark, DE / Addison, TX
• Contract duration: 12 months

Description

You will design, develop, test, and support scalable and secure backend applications and APIs. The role focuses on Java and Spring Boot services, REST/SOAP integrations, and messaging systems using Apache Kafka. You’ll participate in Agile delivery, code reviews, CI/CD support, and production incident troubleshooting.

Responsibilities

• Develop and maintain backend applications using Java and Spring Boot
• Build and support REST/SOAP APIs and integration services
• Translate business requirements into technical solutions
• Perform code reviews and ensure adherence to development standards
• Collaborate with offshore teams for guidance and issue resolution
• Troubleshoot defects and support production incidents
• Participate in Agile ceremonies, sprint planning, and estimation
• Support CI/CD pipelines, deployments, and releases
• Create and maintain technical documentation and design specifications
• Ensure performance, security, and scalability requirements are met

Requirements

• 5+ years of relevant experience
• Proficiency in Java and object-oriented programming
• Hands-on Spring ecosystem experience (Spring Boot, MVC, ORM, Integration, Batch, Services)
• Experience with SOA, REST/SOAP web services, JSON, and XML
• Exposure to cloud technologies and platforms
• Source control experience (Bitbucket/Git or SVN)
• Experience with Maven, TDD, continuous integration, and JUnit
• Experience with NoSQL databases (Cassandra)
• Experience with at least one RDBMS (Oracle or SQL Server)
• Experience with Apache Kafka and MQ-based messaging frameworks

Benefits

• Competitive compensation and benefits
• Growth opportunities with global clients
• Supportive, inclusive culture focused on innovation
• Exposure to cutting-edge technologies and projects