Olena Kutsenko

Senior Developer Advocate, Aiven

Based in Berlin, Germany

Olena is an expert in data, sustainable software development, and teamwork. With a background in software engineering, she's led teams and developed mission-critical applications at Nokia, HERE Technologies, and AWS. Currently, she works at Aiven where she supports developers and customers in using open-source data technologies such as Apache Kafka, ClickHouse, and OpenSearch. She is also an international public speaker and regularly presents at conferences around the world. She holds AWS Developer and Solutions Architect certifications, and is also a Confluent Catalyst.

Superpowers

  • NodeJS

  • JavaScript

  • TypeScript

  • Apache Kafka

  • ClickHouse

  • OpenSearch

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Speaking activities

Upcoming

Past

  • All things open

    A deep dive into vector search technology and tools

    It’s fascinating how vector search boosted the usage of contextual search across numerous applications.

    The underlying idea is quite straightforward. For example, let’s take a movie recommendation system. The idea is first to represent each movie in our catalog as a vector, a numerical representation of a piece of text....

    Oct 27, 2024 - Oct 29, 2024

  • 2024 All Day DevOps

    A deep dive into vector search technology and tools

    It's fascinating how vector search boosted the usage of contextual search across numerous applications.

    The underlying idea is quite straightforward. For example, let's take a movie recommendation system. The idea is first to represent each movie in our catalog as a vector, a numerical representation of a piece of text...

    Oct 9, 2024 - Oct 10, 2024

  • Devoxx Morocco

    A deep dive into vector search technology and tools

    It's fascinating how vector search boosted the usage of contextual search across numerous applications.
    The underlying idea is quite straightforward. For example, let's take a movie recommendation system. The idea is first to represent each movie in our catalog as a vector, a numerical representation of a piece of text....

    Oct 2, 2024 - Oct 4, 2024

  • Current 2024

    Mastering Kafka consumer distribution: a guide to efficient scaling and resource optimization

    For this session, Olena Kutsenko and Olena Babenko (Staff Engineer at Aiven) join forces.

    Sep 17, 2024 - Sep 18, 2024

  • JavaZone

    Contextual search with vector search: exploring your options with open source tools

    It's fascinating how vector search boosted the usage of contextual search across numerous applications. The underlying idea is quite straightforward. For example, let's take a movie recommendation system....

    Sep 4, 2024 - Sep 5, 2024

  • NDC Oslo 2024

    Building a movie recommendation system with TensorFlow and pgvector

    Come build a movie recommendation system from start to finish, utilizing NodeJS, TensorFlow, and PostgreSQL’s extension pgvector.

    - Find the workshop materials on Aiven Labs

    Jun 10, 2024 - Jun 14, 2024

  • Devoxx UK

    Sentiment analytics in action: building your real-time pipeline

    Together in this session we'll build a system using open source technologies Apache Kafka and Apache Flink with AI models to get real-time sentiment from social media data.

    May 8, 2024 - May 10, 2024

  • Kafka Summit

    Beginners guide to balance your data across Apache Kafka partitions

    If you are new to Apache Kafka, or you're looking for good practices to design your partitions and avoid common pitfalls, you'll find this session useful!

    May 2, 2024

  • Kafka Summit London

    Mastering Kafka consumer distribution: a guide to efficient scaling and resource optimization

    For this session, Olena Kutsenko and Olena Babenko (Staff Engineer at Aiven) join forces.

    Mar 19, 2024 - Mar 20, 2024

  • NDC London 2024

    Building a movie recommendation system with Tensorflow and PGVector

    Come build a movie recommendation system from start to finish, utilizing NodeJS, TensorFlow, and PostgreSQL’s extension PGVector.

    - Find the workshop materials on Aiven Labs

    Jan 29, 2024 - Feb 2, 2024

  • Singapore OSDI

    Beginners guide to balance your data across Apache Kafka partitions

    At the heart of Apache Kafka is a set of brokers that contain topics. Topics are split into partitions. If you're fresh to Apache Kafka, or looking for good practices to design your partitions and avoid common pitfalls, you'll find this session useful!

    Nov 16, 2023

  • Devoxx Belgium

    Beginners guide to balance your data across Apache Kafka partitions

    If you are fresh to Apache Kafka, or you're looking for good practices to design your topic partitions and avoid common pitfalls, you'll find this session useful!

    Watch the recording here if you missed the talk.

    Oct 2, 2023 - Oct 6, 2023

  • Devoxx Ukraine

    ClickHouse: what is behind the fastest columnar database

    If your challenge is analysing terabytes of data - this talk is for you. If you're a data scientist looking for tools to work with big data - this talk is for you. And, of course, if you are just curious about what makes ClickHouse crazy fast - this talk is for you as well.

    Sep 22, 2023

  • AWS Community Day

    Using OpenSearch and Apache Kafka to explore Mastodon

    This talk is for both beginners and intermediate users. We'll use some more advanced concepts and a bit of TypeScript code, but will keep it all simple, so that everyone can follow along and experiment with Mastodon data!

    Sep 14, 2023

  • Javazone

    ClickHouse: what is behind the fastest columnar database

    If your challenge is analysing terabytes of data - this talk is for you. If you're a data scientist looking for tools to work with big data - this talk is for you. And, of course, if you are just curious about what makes ClickHouse crazy fast - this talk is for you as well. You can now watch it here.


    Sep 6, 2023 - Sep 7, 2023

  • Berlin Buzzwords

    ClickHouse: what is behind the fastest columnar database

    Columnar databases seem to be full of mysteries and confusion. In this introduction for ClickHouse, we'll take apart its building blocks to see how it achieves its remarkable performance.

    Jun 18, 2023 - Jun 20, 2023

  • JSNation

    Apache Kafka simply explained with TypeScript examples

    This session is for curious minds, who might have never worked with distributed streaming systems before, or are beginners to event streaming applications. Find the recording here.

    Jun 1, 2023

  • OSDI Amsterdam

    What is behind the fastest columnar database

    Talk about ClickHouse.

    May 30, 2023

  • Kafka Summit London

    The Dark and Dirty Side of Fixing Uneven Partitions

    Talk with Olena Babenko, Staff Engineer at Aiven, on what to do when the data distribution across topic partitions is badly broken and as a result significantly hurts consuming applications performances, increasing lag and slowing data processing.

    May 16, 2023 - May 17, 2023

  • Devoxx UK

    Using Apache Kafka and OpenSearch to explore Mastodon

    This talk is for both beginners in Apache Kafka and intermediate users. It talks about bringing data from Mastodon to Kafka using TypeScript and a couple of helpful libraries.

    May 10, 2023 - May 12, 2023

  • Uptime 2022

    ClickHouse: what is behind the fastest columnar database. Or how to make it click!

    Get the most of ClickHouse and avoid pitfalls. We talk about analytics, columnar databases and sparse indexing. We look at the most puzzling concepts of ClickHouse, so that by the end you find them not only logical, but maybe even fascinating.

    - Recording

    Sep 14, 2022 - Sep 15, 2022

Blogs by Olena Kutsenko

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