Igor Kupczyński
Principal Software Engineer And Tech Lead at Elastic
Luxembourg
Summary
🤩
Rockstar🎓
Top SchoolIgor Kupczyński is a founding engineer and Principal Software Engineer with 12+ years designing and operating cloud infrastructure and distributed systems across startups and enterprise environments. At Elastic he progressed from an early-cloud hire to tech lead for the Platform Traffic team, architecting multi-cloud ingress/egress, PrivateLink integrations, mTLS controls, and network systems in Go and Kubernetes that serve thousands of customers. He combines deep networking and orchestration expertise with infrastructure-as-code and observability practice to build reliable, large-scale platforms. Igor is also an active open-source contributor—fixing subtle JSON/date handling and test issues in the popular Elasticsearch Java REST client—reflecting a focus on correctness and test automation. Based in Luxembourg, he now applies that operational and architectural experience as a founding engineer at Hatchet while championing LLM adoption and AI-assisted development. Outside work he recharges by reading, running, biking and spending time outdoors.
12 years of coding experience
12 years of employment as a software developer
post graduate Financial Engineering, post graduate Financial Engineering at Poznan University of Economics And BusinessM.Sc. Computer Science major Intelligent Decision Support Systems, M.Sc. Computer Science major Intelligent Decision Support Systems at Poznan University of TechnologyM.Sc. Intelligent Decision Support Systems, M.Sc. Intelligent Decision Support Systems at Université Paris Dauphine - PSL
Polish, English, French
Stackoverflow
516reputation
37kreached
6answers
3questions
Github Skills (22)
amazon-elasticsearch10
testing10
java10
javas10
elasticsearchquery10
aws-elasticsearch10
elasticsearch10
elasticsearch-api10
api-design9
restful-api9
api-rest9
gson9
rest-api9
raft6
clojure6
Programming languages (14)
Github contributions (5)
searchbox-io/Jest
Jun 2014 - Mar 2015
Elasticsearch Java Rest Client.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:7 commits, 1 PR, 3 comments in 8 months
Contributions summary:Igor's commits primarily focused on improving the `jest` library, a Java REST client for Elasticsearch. They addressed a bug related to JSON escaping in alias filters and refactored test data. Furthermore, the user corrected a date formatting issue in the GSON library to align with Elasticsearch's default date type. The commits demonstrate a focus on testing and ensuring correct data handling.
typesensefulltext-searchsynonymsrest-clientjava-rest
igor-kupczynski/blog-builder
Feb 2017 - Feb 2022
Contributions:2 pushes, 1 branch in 5 years
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