Sergei Beljakov
Senior Data Platform Developer
Tallinn, Harju County, Estonia
Summary
👤
Senior🎓
Top SchoolSergei Beljakov is a Senior Data Platform Developer with 13 years of experience building batch and real-time data pipelines, internal APIs and web services, and integrating data warehouses into business workflows. Based in Tallinn, he has advanced hands-on expertise in Airflow, Flink, Spark, Kafka, and cloud-native infrastructure on AWS and Kubernetes, plus practical CI/CD and test automation experience. His background spans full-stack development (PHP, Node, Python, Go) and server administration, giving him a rare blend of backend, data engineering and ops skills. A continual learner and Rust enthusiast, he actively sharpens systems-level programming through open-source work even without formal professional Rust experience. At Pipedrive he progressed from full-stack and ML tooling to leading development of the company’s data platform, combining product-minded engineering with pragmatic infrastructure ownership.
13 years of coding experience
10 years of employment as a software developer
Master's degree, Informatics, Master's degree, Informatics at Tallinna TehnikaülikoolNarva Pähklimäe Gümnaasium
Russian, Estonian, English
Github Skills (32)
monitor10
python10
data-science10
data-engineering10
pdf10
machine-learning10
workflow-engine10
apache10
scheduler10
etl10
automation10
mlops10
mpdf10
orchestration10
bundle9
Programming languages (3)
Github contributions (4)
tasmanianfox/MpdfPortBundle
Jul 2012 - Dec 2017
MpdfBundle is a wrapper service which allows to use mPDF class in your Symfony project. The main benefit of MpdfPortbundle is a possibility to generate PDF documents in Symfony without installation of external converters on a server machine.
Contributions:5 commits in 5 years 5 months
pdfbundlephpsymfony-bundlein-class
pipedrive/uncouch
Dec 2022 - Feb 2025
Tool to extract JSON data directly from CouchDB data files
Contributions:2 reviews, 1 push, 1 branch in 2 years 2 months
singerquery-languagedata-filesnodejsdatabase
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