Are you bored with traditional software performance standards that don’t require any creativity to achieve? Are you ready to put your knowledge of data structures, databases, and algorithms to the test in a extreme performance environment where microseconds matter? Join the Platform Data team at Swirlds Labs and see how far you can push the limits.

Role Description
As a member of the Platform Data team, you will work directly with the custom database designed for extreme performance that backs Hedera Hashgraph. You will be responsible optimizing consensus node data storage techniques for both scalability and performance. Day to day activities include:

Designing and implementing in-memory and on-disk data structures
Analyzing and improving data flow and back pressure mechanisms
Identifying and eliminating bottlenecks
Innovating, designing, implementing, and testing new approaches to improve speed and scalability

Required Skills/Experience

Java concurrency
Data structures & algorithms
Database internal design
Java memory management
Data IO
Strong problem solving skills

Desired Skills/Experience

Merkle Trees
Experience building a database from scratch
On disk data structures
Java garbage collectors (ZGC, Shenandoah, etc.)
Performance optimization
JMH / Custom profilers

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