Eero Koplimets
Senior Data Engineer
Tallinn, Harju maakond, Estonia
Summary
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SeniorEero Koplimets is a Senior Data Engineer and seasoned software leader with 12 years building startups-to-unicorns scale, now working at Katana Cloud Inventory and co-founding Black Swan. He blends deep backend and architecture expertise—microservices, realtime data processing, and SaaS systems—with hands-on engineering and team leadership developed at Pipedrive and earlier at Skype. His contributions to the popular kafkajs project reveal a focus on robust, production-grade distributed systems, improving broker discovery, connection handling and SASL support. Eero’s background spans founding startups, lecturing, and product-focused engineering roles, giving him both entrepreneurial grit and pragmatic delivery skills. Based in Tallinn, he combines principal-level architectural thinking with regular coding chops, often tackling async and reliability challenges himself. Notably, he pairs frontend roots with current data-platform specialization, able to move between UX-sensitive teams and core data infrastructure.
12 years of coding experience
19 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (6)
async-await10
npm-package10
kafka10
nodejs10
javascript10
testing9
Programming languages (9)
Github contributions (5)
tulios/kafkajs
Aug 2020 - Sep 2020
A modern Apache Kafka client for node.js
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 17 commits, 4 PRs in 26 days
Contributions summary:Eero primarily focused on enhancing the `kafkajs` library, specifically improving the connection handling and broker discovery mechanisms. Their contributions involved asynchronous operations using `async/await`, refactoring the `connectionBuilder` to support dynamic broker lists and SASL authentication, and improving broker pool management. The changes also include test updates to validate the new functionalities. These commits indicate a focus on improving the core functionality and robustness of the Kafka client.
apache-kafkanodejskafkakafka-clientnpm-package
pimpelsang/auto24graph
Jan 2014 - Apr 2021
Contributions:28 commits, 17 pushes, 1 issue in 7 years 3 months
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