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Apache Ignite Expert

Germany · Job Posted January 24, 2026
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Job Description

Our client is looking for a very skilled Apache Ignite Expert, who can support in an Audit of Apache Ignite Clusters.

Job Responsibility

  • Audit and assess existing Apache Ignite clusters (architecture, sizing, JVM, memory, failover)
  • Analyze cache usage in Java applications for performance, stability, and best practices
  • Optimize memory management, partitioning, re balancing, and persistence
  • Diagnose and resolve performance and stability issues (e.g. memory leaks, split-brain, downtime)
  • Define capacity planning and scaling strategies for enterprise workloads
  • Review high-availability, backup, and disaster recovery concepts
  • Deliver a clear audit report with prioritized findings and recommendations
  • Advise and coach engineering and operations teams

Requirements

  • Apache Ignite (Expert Level) (Cluster operations, memory architecture (on-/off-heap, persistence), transactions, security, monitoring
  • Java & JVM (Concurrency, JVM & GC tuning, Ignite Java APIs, cache loaders/writers)
  • Performance & Reliability Engineering (Profiling, benchmarking, HA and failover strategies)
  • Monitoring & Troubleshooting (JMX, Prometheus, Grafana)
  • Experience in On-prem and cloud (AWS, Azure, GCP), Kubernetes, Ansible/Terraform, CI/CD
  • Enterprise & Regulated Environments (high availability, stability, compliance (e.g. healthcare)

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