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k-barseghyan/README.md

I am an experienced Java engineer with a strong and established focus on low-latency, concurrent and performance-sensitive systems.

My background includes financial-market and trading platforms, where latency, correctness, reliability and predictable runtime behavior are first-class engineering concerns.

I also create and maintain performance-oriented open-source Java libraries through j-util, with particular interest in specialized data structures, efficient processing, memory behavior and CPU-conscious design.

Alongside performance engineering, I design and maintain distributed backend systems using Java, Spring Boot, messaging, data platforms and AWS.

My work sits at the intersection of low-level performance considerations and production-grade backend engineering: keeping systems fast without sacrificing maintainability, correctness, or operational reliability.

Pinned Loading

  1. version-gate version-gate Public

    Version Gate is a standalone service for coordinating coherent writes and reads across distributed data. It assigns ordered coordinator versions, prevents incompatible live operations from overlapp…

    Java

  2. j-util/inputstream-processor-core j-util/inputstream-processor-core Public

    Incrementally parse and process structured InputStream content one item at a time without materializing the complete input in memory.

    Java 1

  3. j-util/columnar-projection-store j-util/columnar-projection-store Public

    Annotation-generated in-memory columnar stores for Java projection interfaces

    Java 1

  4. j-util/reduction-store j-util/reduction-store Public

    Compile-time generated, strongly typed in-memory reduction stores for Java.

    Java

  5. j-util/parallel-range-processor j-util/parallel-range-processor Public

    Parallel delimiter-framed record processing for range-addressable byte sources.

    Java

  6. j-util/columnar-projection-store-hardwood j-util/columnar-projection-store-hardwood Public

    Generated batch loaders from Hardwood into Columnar Projection Store without row materialization.

    Java