Senior Software Engineer (Java) - Optimizer Hub
External
Azul · Prague, CzechiaPrepare for this interview
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Requirements
- 5+ years of strong professional Java development experience, with a focus on backend and server-side systems.
- Deep understanding of JVM internals: memory management, garbage collection, JIT compilation, and threading.
- Experience building and operating distributed systems and microservices in production.
- Proficiency with concurrency, low-latency design, and performance optimization techniques in Java.
- Experience with cloud platforms (AWS, Azure, or GCP) and container orchestration (Kubernetes).
- Ability to design clean APIs and protocols; comfort working close to the metal when needed.
- Strong debugging skills - you can track down hard-to-reproduce production issues with limited data.
Additional Information
Azul == Java. As the only company focused 100% on Java, Azul is building the Java platform for the modern cloud enterprise. We are reimagining how customers use Java, bringing them the tools and insight they need to deliver faster, more performant, more dependable, and less expensive Java services. It requires experts in many areas - hardcore experts in Java VM internals, application developers with deep knowledge of Java, backend and frontend developers, performance engineers, etc. Come join one of the most influential members of the Java and OpenJDK community and help influence the future of Java. About the Product Azul Optimizer Hub (OptHub) is a set of services external to the JVM within Azul Platform Prime that run in your cloud or on-premises environment. It consists of two major functions: Cloud Native Compiler separates the heavy lifting of compiling bytecode to optimized machine code from the actual running of Java applications. ReadyNow Orchestrator ensures consistent responsiveness and performance even as instances are brought up and down, and during critical times like a retail rush, start of the gaming day, or market open.
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