Azul
Azul
Azul dezvoltă infrastructură Java de înaltă performanță pentru organizațiile care rulează aplicații esențiale pentru misiunea lor. Platforma sa include Azul Zulu și Azul Zing, concepute pentru a îmbunătăți viteza aplicațiilor și performanța la pornire, ajutând în același timp echipele să gestioneze costurile cloud fără a modifica codul existent. Azul deservește sectoare precum comerțul cu amănuntul, comerțul electronic, serviciile financiare și tehnologia și susține volumul de lucru Java la nivel de întreprindere și inițiativele DevOps, punând accent pe eficiența operațională și pe servicii tehnice prompte.

Senior Software Engineer, JVM Optimization Platform (Java) – Prague Hybrid

Build scalable Java services for Azul’s JVM performance platform. Develop OptHub backend components, diagnostics, and real-time optimization tools.

Descriere

  • Create and maintain server-side services powering Azul’s JVM performance platform.
  • Partner with product managers, performance engineers, and JVM specialists to deliver scalable, reliable backend systems.
  • Develop high-performance Java services covering protocols, APIs, data storage, and real-time optimization engines.
  • Expand server-side OptHub components that communicate with JVMs across cloud and on-premises environments.
  • Investigate complex distributed-systems problems despite limited diagnostic information and demanding performance constraints.
  • Build observability, profiling, and diagnostic tools for internal engineering and customer deployments.
  • Design benchmarks, analyze profiler results, and apply the resulting performance insights.
  • Contribute to technical design reviews and peer code reviews.

Cerințe

  • At least five years of professional Java development experience focused on backend or server-side systems.
  • Thorough knowledge of JVM internals, including memory management, garbage collection, JIT compilation, and threading.
  • Production experience building and operating distributed systems and microservices.
  • Strong command of Java concurrency, low-latency architecture, and performance optimization.
  • Experience with AWS, Azure, or GCP and Kubernetes-based container orchestration.
  • Ability to design clear APIs and protocols, with a willingness to work close to the underlying system when necessary.
  • Proven ability to diagnose difficult, intermittent production problems with incomplete data.
  • Familiarity with JVM-related technologies such as JVM agents, JVMTI, ASM, Javassist, or OpenJDK internals.
  • Experience in performance engineering, profiling tools such as async-profiler, JFR, or YourKit, or runtime observability.
  • Experience with gRPC, Protocol Buffers, WebSockets, or high-throughput messaging systems.
  • Experience with process metrics, system observability, and CI/CD pipelines.
  • Previous experience in a Java platform, middleware, or infrastructure product company.

Beneficii

  • Employee referral program for recommending qualified candidates.
  • Premium IT equipment, including a MacBook Pro or comparable hardware of your choice.
  • Five weeks of annual holiday plus five sick days.
  • Flexible working hours, with full remote work available.
  • Office located in central Prague.
  • Opportunity to collaborate with experienced experts worldwide and contribute to the Java ecosystem.

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