Note: The job is a remote job and is open to candidates in USA. iTech US Inc is a technology company specializing in advanced data management solutions, and they are seeking a Lead Engineer with expertise in GridGain and Apache Ignite. The role focuses on performance tuning and optimization of data clusters, along with improving SQL query performance and managing data lifecycle strategies.
Responsibilities
- Lead performance tuning and optimization of GridGain 8 / Apache Ignite clusters
- Tune JVM (GC, Heap/Off-Heap, JFR) and optimize WAL, Checkpointing, Native Persistence, and Data Regions
- Optimize Kubernetes deployments, Docker containers, and storage performance ( NAS/NFS )
- Improve SQL query performance, indexing, and workload management
- Design and implement data lifecycle , retention, archiving, purging, and restore strategies
Skills
- Strong experience with GridGain 8 and/or Apache Ignite 2.x
- Expert in Java 17, JVM Performance Tuning, Garbage Collection, and Java Flight Recorder (JFR)
- Experience with Native Persistence, WAL, Checkpointing, Data Regions, Affinity, and SQL Performance Tuning
- Strong Kubernetes, Docker, and container performance tuning experience
- Experience with Apache Hive, Hadoop/HDFS, and data movement
- Knowledge of NAS/NFS Storage, I/O optimization, and distributed systems
- Experience with Spring Boot, caching, and high-performance Java applications
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