Senior Java Software Development Engineer - Remote

About the Role

We're hiring a Senior Java Software Development Engineer to join our team remotely. At Hazelcast, we build a high-performance real-time data platform that is essential for mission-critical systems across various industries such as finance, e-commerce, and telecommunications. As a Senior Java Software Development Engineer, you will work on a distributed, Java-based system that combines low-latency data storage, in-place compute, and stream processing across clusters of machines.

What You'll Do

• Build the runtime engine, designing, implementing, and evolving core components of the Hazelcast runtime, including cluster services, distributed data structures, and execution engines.
• Work on distributed systems problems, contributing to mechanisms for partitioning, replication, coordination, and recovery in a distributed cluster.
• Develop production systems by writing clean, well-tested Java code for long-running clustered systems that must remain reliable, observable, and predictable in production.
• Contribute to architecture by collaborating with experienced engineers and architects to shape the design and evolution of the platform’s core runtime.
• Raise the Engineering Bar by participating in design discussions, code reviews, and mentoring to maintain the high standards of the Core team.

Requirements

• Strong proficiency in Java and the JVM ecosystem.
• Experience building backend platforms or complex systems.
• Solid understanding of concurrency and multithreaded programming.
• Experience designing reliable system components and APIs.
• Ability to debug and reason about complex production systems.

Nice to Have

• Experience with distributed data systems, messaging systems, or databases.
• Familiarity with replication, partitioning, or distributed coordination.
• Experience with networking, serialization, or storage internals.
• Experience profiling and optimizing latency-sensitive code paths.
• Contributions to open-source systems or developer platforms.

What We Offer

• 25 days of annual leave plus bank holidays.
• Group Company Pension Plan.
• Private Medical Insurance.
• Private Dental Insurance.
• Life Insurance.
• Employee Assistance Program (EAP).