Sergei Beilin
Solutions Architect at OptimalConn
Solna kommun, Sweden
Summary
👤
Senior🎓
Top SchoolSergei Beilin is a solutions architect and founder with 11 years of experience blending academic rigor (PhD in mathematics) with hands-on software, data and AI engineering. He currently shapes architecture at H&M Group while consulting through Fluentic and leading engineering as CTO and co-founder of OptimalConn, specializing in evolving monoliths to event-driven, distributed systems. Sergei advocates domain-driven design, evolutionary architecture and DevOps culture to deliver incremental, testable solutions that align tightly with business flow and stakeholder needs. His technical comfort spans Python and Java, with historical experience in C, C++ and Fortran, and a particular interest in streaming platforms, reactive programming, CQRS and event sourcing. He is adept at turning development deadlocks into measurable progress—mapping target architectures, creating MVPs and establishing CI/CD and observability as prerequisites for microservices. Colleagues describe him as business-driven, curious, and motivational, consistently pairing theory with pragmatic shipping.
11 years of coding experience
specialist, specialist at Samara State University
Russian, English, Swedish
Stackoverflow
620reputation
83kreached
12answers
13questions
Github Skills (142)
python-client10
kafka-python10
confluent10
docker10
librdkafka10
ecosystem9
kafka-consumer9
golang9
docker-image9
redis-database9
confluent-kafka9
kafka9
go9
django8
api8
Programming languages (12)
Github contributions (5)
saabeilin/kafkian
Sep 2018 - Dec 2022
An opinionated Kafka producer/consumer built on top of confluent-kafka-python/librdkafka
Contributions:6 releases, 70 commits, 29 PRs in 4 years 3 months
confluent-kafkakafka-producerlibrdkafkapythonkafka
saabeilin/sanic-token-auth
Dec 2017 - May 2020
Simple token-based auth plugin for Sanic
Contributions:3 releases, 5 commits, 1 PR in 2 years 4 months
authsanic
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