Senior Java Developer

Compunnel, Inc.; Glen Allen (VA); On-site; USD 110,000 - 140,000; Full time

Job summary

Compunnel, Inc. is seeking a Senior Java Developer to contribute to the enhancement and maintenance of a mission-critical enterprise application. This role emphasizes support in transitioning legacy systems to a microservices architecture while working independently in a complex environment.

The ideal candidate will bring over 10 years of experience with Java development, a strong grasp of Spring technologies, and proven problem-solving abilities. Join a dynamic team committed to modernizing software solutions.

Qualifications

• 10+ years of Java development experience in enterprise environments.
• Strong experience with Java versions 8 through 17.
• Experience supporting and modernizing legacy or monolithic applications.

Responsibilities

• Support, maintain, and enhance an existing monolithic enterprise application.
• Assist with the transition of legacy applications toward a microservices architecture.
• Develop and maintain applications using Java and Spring technologies.

Skills

Java Development

Spring Framework

Microservices

REST APIs

Troubleshooting

React

Kafka

Education

Bachelor's degree in Computer Science or a related field

Tools

Git

Gradle

IntelliJ

MongoDB

Docker

Kubernetes

Job description

We are seeking a Senior Java Developer to support a mission-critical enterprise application. This role focuses on maintaining and enhancing an existing monolithic application while supporting its transition to a microservices architecture. The ideal candidate will be a proactive, self-driven professional who takes ownership of issues, works independently, and enjoys troubleshooting and problem-solving in a complex enterprise environment.

Key Responsibilities

• Support, maintain, and enhance an existing monolithic enterprise application.
• Assist with the transition of legacy applications toward a microservices architecture.
• Develop and maintain applications using Java and Spring technologies.
• Design, develop, and support REST and SOAP web services.
• Work with JPA2/Hibernate for data persistence and application development.
• Develop and support integrations using Kafka.
• Work with MongoDB, Oracle, and SQL Server databases.
• Develop and maintain front-end components using React, Next.js, and TypeScript.
• Utilize WebLogic, Git, Gradle, IntelliJ, and Oracle database technologies in daily development activities.
• Write and maintain unit tests using JUnit and Mockito.
• Participate in troubleshooting, issue resolution, and root cause analysis.
• Collaborate with team members to support application stability, performance, and modernization efforts.
• Participate in on‑call support rotations as required.

Required Qualifications

• 10+ years of Java development experience in enterprise environments.
• Experience supporting and modernizing legacy or monolithic applications.
• Strong experience with Java versions 8 through 17.
• Experience with Spring Framework, Spring Boot, and Spring Cloud.
• Experience developing and supporting REST and SOAP web services.
• Experience with JPA2 and Hibernate.
• Experience with Kafka.
• Experience with MongoDB.
• Experience with Oracle and SQL Server databases.
• Front-end development experience with React, Next.js, and TypeScript.
• Experience with WebLogic 14+, Git, Gradle, IntelliJ, and Oracle 19c.
• Experience writing unit tests using JUnit and Mockito.
• Familiarity with Domain‑Driven Design and microservices architecture.
• Strong troubleshooting and problem‑solving skills.
• Ability to work independently and take ownership of technical issues.

Preferred Qualifications

• Experience with Azure DevOps.
• Experience with Docker and Kubernetes.
• Bachelor's degree in Computer Science or a related field.