Java Developer III

Compunnel, Inc.; Chicago (IL); On-site; USD 90,000 - 120,000; Full time

Job summary

Compunnel, Inc. is seeking a Java Developer III to support backend development initiatives focusing on Spring Boot microservices within a baggage platform. Candidates should have strong expertise in Java, AWS technologies, and a minimum of 5 years of experience.

The ideal candidate will work collaboratively with cross-functional teams to deliver scalable and secure enterprise solutions, while also being involved in DevOps practices and CI/CD pipeline optimization.

Qualifications

• 5+ years of professional experience as a Java Developer.
• Minimum 2 years of experience developing and maintaining event-driven applications.
• Strong understanding of software engineering principles.

Responsibilities

• Design, develop, test, debug, and maintain enterprise software applications.
• Build and support cloud-native applications using Spring Boot microservices.
• Collaborate with teams to deliver secure and scalable solutions.

Skills

Java

Spring Boot

AWS technologies

Event-driven applications

DevOps practices

Jenkins

GitHub Actions

Tools

Solace eventing platform

SonarQube

Job description

The Java Developer III will support backend development initiatives focused on Spring Boot microservices within a baggage platform development environment. This role requires a hands‑on developer with strong expertise in Java, cloud‑native application development, event‑driven architecture, and AWS technologies

The ideal candidate will be a self-driven professional capable of collaborating with architecture, product, and functional teams to deliver scalable, secure, and high-performing enterprise solutions in an Agile development environment.

Key Responsibilities

• Design, develop, test, debug, and maintain enterprise software applications and backend systems
• Build and support cloud-native applications using Spring Boot microservices, AWS technologies, and the Solace eventing platform
• Collaborate with architecture, product management, and cross-functional teams to deliver secure and scalable solutions
• Participate in architecture and design discussions while ensuring adherence to coding standards and development best practices
• Develop and maintain RESTful APIs and microservices-based applications
• Work within Agile development environments with a focus on continuous integration and continuous delivery
• Analyze, refactor, and optimize existing code for scalability, maintainability, and performance improvements
• Estimate development efforts and contribute to release planning and delivery schedules
• Support troubleshooting, issue resolution, and production support activities
• Contribute to DevOps and CI/CD pipeline implementation and optimization efforts
• Ensure application security and support vulnerability management initiatives

Required Qualifications

• 5+ years of professional experience as a Java Developer
• Minimum 2 years of experience developing and maintaining event‑driven applications
• Strong hands‑on experience with:
• Java
• Spring Boot
• Experience working with the Solace eventing platform
• Proficiency with AWS technologies
• Strong understanding of:
• Software engineering principles
• Hands‑on experience with DevOps practices and CI/CD tools such as:
• Jenkins
• GitHub Actions
• Strong analytical, troubleshooting, and problem‑solving skills
• Ability to work independently and collaboratively in Agile teams
• Strong communication and coordination skills

Preferred Qualifications

• Previous experience in the airline industry
• Experience with Veracode and WIZ
• Familiarity with vulnerability management and secure coding practices
• Experience using tools such as SonarQube
• Self‑starter mindset with the ability to proactively identify and resolve technical issues