Azul Systems provides high-performance, secure and cost-effective Java platforms for enterprise cloud, hybrid, and on-premise environments.
Join the team behind Azul’s Payara product, one of the world's leading open-source Jakarta EE application platforms trusted by organizations across financial services, government, healthcare, telecommunications, and enterprise software. As a Software Engineer II, you'll help shape the future of enterprise Java applications by contributing to the Payara product portfolio, including Payara Server and related platform services. This is an opportunity to work on technology that powers mission-critical enterprise applications worldwide while collaborating with a highly skilled global engineering team passionate about open source, innovation, and modern Java development. You will take ownership of designing, developing, and enhancing core platform capabilities, solving complex technical challenges, and helping customers modernize and scale enterprise applications. What You'll Do Product Development & Innovation Design, develop, and maintain features and enhancements across the Payara platform, including application server, cloud, and platform services. Contribute to the evolution of Payara's Jakarta EE implementation, performance, reliability, observability, and security capabilities. Investigate and resolve complex engineering challenges through creative problem solving and sound technical judgment. Participate in architectural discussions and help define technical direction for product initiatives. Build capabilities that help customers deploy, manage, and scale enterprise Java applications on the Azul Payara platform. Create design views that address stakeholder concerns, functional and non-functional requirements, and key technical trade-offs. Engineering Excellence Apply established engineering principles, coding standards, and design patterns to deliver high-quality, maintainable software. Conduct thorough code reviews and provide guidance to junior engineers when appropriate. Drive continuous improvements in automation, testing, deployment, and release processes. Utilize debugging, profiling, and performance analysis tools to diagnose and resolve issues. Champion software quality, reliability, and operational excellence throughout the development lifecycle. Cloud & Platform Engineering Build, maintain, and optimize GitLab-based CI/CD workflows, including repository management, merge request automation, pipeline configuration, and release governance. Configure and support Jenkins jobs, shared libraries, and build agents to improve build reliability, deployment consistency, and developer productivity across cloud and platform engineering workflows. Work with containerized environments and orchestration technologies such as Docker and Kubernetes. Contribute to cloud deployment capabilities and platform integrations. Collaborate on initiatives that improve scalability, resilience, and customer experience. Collaboration & Leadership Work independently while partnering effectively with engineers, architects, product managers, support teams, and customers. Communicate complex technical concepts to both technical and non-technical audiences. Support and guide junior engineers while fostering a culture of continuous learning and innovation. What You’ll Bring Required Qualifications Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience. 4–8 years of professional software engineering experience developing enterprise-grade applications or platforms. Strong Java development expertise, including modern Java language features and best practices. Strong understanding of Java concurrency and multithreading concepts, including thread safety, synchronization, executors, locks, concurrent collections, and performance considerations. Experience designing, debugging, and maintaining large-scale distributed or enterprise software systems. Solid understanding of API design, security principles, scalability, and software architecture patterns. Experience with source control systems, automated testing frameworks, and modern software development practices. Ability to work independently, prioritize effectively, and deliver high-quality solutions in an Agile environment. Preferred Qualifications Experience with application servers or middleware platforms such as: Payara Server Oracle GlassFish Apache Tomcat Oracle WebLogic JBoss / WildFly IBM WebSphere Strong knowledge of the Jakarta EE ecosystem, specifications, and enterprise Java development. Experience contributing to or maintaining open-source software projects. Expertise in cloud-native technologies, including containers, Kubernetes, and cloud platforms. Experience with performance tuning, profiling, observability, and troubleshooting enterprise applications. Familiarity with AI-assisted software engineering practices, including code generation, test generation, documentation support, CI/CD workflows, cloud engineering, and intelligent troubleshooting. If you're passionate about Java, open source, and building platforms that make developers more successful, we'd love to hear from you.