Hazelcast

Senior Software Development Engineer (Java)

United Kingdom · remote · Salary not listed

Role overview

At Hazelcast, we build a high-performance real-time data platform used in mission-critical systems across industries such as finance, e-commerce and telecoms. Our platform enables applications to access and process data in milliseconds, powering use cases like fraud detection, real-time inventory tracking and dynamic pricing.

We’re looking for a senior Java software development engineer to join the Core team, the group responsible for the engine at the heart of the Hazelcast Platform. This distributed, Java-based system combines low-latency data storage, in-place compute and stream processing across clusters of machines.

This role is ideal for engineers who enjoy building core backend systems and working on the mechanics of distributed platforms, such as concurrency, coordination, data distribution and behaviour under load, failure and changing cluster topology.

WHAT YOU’LL DO

Build the runtime engineDesign, implement and evolve core components of the Hazelcast runtime, including cluster services, distributed data structures and execution engines.

Work on distributed systems problemsContribute to mechanisms for partitioning, replication, coordination and recovery in a distributed cluster.

Develop production systemsWrite clean, well-tested Java code for long-running clustered systems that must remain reliable, observable and predictable in production.

Contribute to architecture
Collaborate with experienced engineers and architects to shape the design and evolution of the platform’s core runtime.

Raise the Engineering Bar
Participate in design discussions, code reviews and mentoring to maintain the high standards of the Core team.

Apply on source siteListed via Himalayas

WHAT YOU HAVE

You’re a strong Java engineer who enjoys building complex backend systems and understanding how they behave in production.
Must have
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

BENEFITS

25 days annual leave + Bank holidays
Group Company Pension Plan
Private Medical Insurance
Private Dental Insurance
Life Insurance
EAP (Employee Assistance Program)

Originally posted on Himalayas

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Senior Software Development Engineer (Java)

Role overview

WHAT YOU’LL DO

BENEFITS