Senior Java & Distributed Cache Platform Engineer

Datamatics Technologies LLC; Karachi Division; On-site; PKR 1,800,000 - 3,200,000; Full time

Job summary

Datamatics Technologies LLC in Karachi seeks a technically strong Distributed Cache & Java Support Engineer to support distributed caching solutions and onboard Java and Spring Boot application use cases to the distributed-cache platform.

The role combines hands-on Java development with practical enterprise distributed cache experience, focusing on onboarding use cases, JVM diagnostics, cache configuration, and cross-team coordination to resolve incidents and optimize performance.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or Information Technology.
• 7+ years of experience in Java backend development, Java application support, distributed systems, or related engineering work.
• 3+ years of hands-on experience with distributed caching or in-memory data grid technologies with Java applications.

Responsibilities

• Provide production support for distributed cache clusters and related Java application integrations.
• Monitor cluster health, partition distribution, memory, latency, throughput, capacity, and performance.
• Support cache configuration and troubleshooting across distributed maps, Near Cache, eviction and expiry/TTL, partitioning, backup and replication, serialization, and cluster discovery.
• Diagnose cache-related incidents including high latency, memory pressure, member restarts, split-brain conditions, data inconsistency, and degraded performance.
• Coordinate with application, infrastructure, and vendor support teams to investigate issues and drive technical resolution.
• Review and modify Java or Spring Boot code required to onboard application use cases to the distributed-cache platform.
• Work with application teams to understand the use case, data model, access pattern, expected load, and caching objectives.
• Implement application-side cache integration changes and validate serialization, distributed maps, Near Cache, eviction/TTL, and client configuration.
• Troubleshoot JVM and application issues encountered during onboarding, integration testing, and production stabilization.

Skills

Java development

Spring Boot

Distributed caching

JVM troubleshooting

Application support

Code modification

Cross-team collaboration

Education

Bachelor's degree in Computer Science / Software Engineering / IT

Tools

Redis

Hazelcast

Apache Ignite

Ehcache

Oracle Coherence

Infinispan

Memcached

Kubernetes

Linux

Job description

Datamatics Technologies LLC in Karachi seeks a technically strong Distributed Cache & Java Support Engineer to support distributed caching solutions and onboard Java and Spring Boot application use cases to the distributed-cache platform.

The role combines hands-on Java development with practical enterprise distributed cache experience, focusing on onboarding use cases, JVM diagnostics, cache configuration, and cross-team coordination to resolve incidents and optimize performance.