Sergey Matvienko
Java Developer at ThingsBoard
Łódź Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolSergey Matvienko is a Java developer with 5 years of focused experience in high-load systems, cloud architectures and the ThingsBoard IoT framework, currently contributing as a core developer at ThingsBoard. He has a proven track record of building and migrating microservices with Spring Boot, improving performance and observability (ELK), and integrating complex REST APIs across telecom and IoT domains. At Phonet and in freelance projects he reduced load on Java/SQL stacks, introduced modern test tooling (WireMock, TestContainers) and automated deployments on AWS. Sergey combines hands-on DevOps and performance engineering—demonstrated by his work on ThingsBoard’s documentation infrastructure and large-scale device performance tests—with practical systems design for 24/7 multithreaded services. Based in Łódź Voivodeship, Poland, he brings a pragmatic, ops-aware approach to backend engineering and a background that spans enterprise 1C development to blockchain and mining orchestration.
5 years of coding experience
14 years of employment as a software developer
Kherson State Technical University
English, Ukrainian, Russian
Github Skills (14)
sh10
script10
shell10
scripting10
performance-testing10
dockers9
aws9
ubuntu9
docker9
cloud-services8
cloud-infrastructure8
bash8
documentation5
thingsboard4
Programming languages (10)
Github contributions (5)
thingsboard/thingsboard.github.io
Mar 2021 - Nov 2022
Documentation repository
Role in this project:
DevOps Engineer & Performance Engineer
DevOps Engineer & Performance EngineerContributions:1 review, 68 commits, 28 PRs in 1 year 8 months
Contributions summary:Sergey's contributions primarily revolve around performance testing and infrastructure management for the ThingsBoard documentation repository. They've developed and modified shell scripts for performance testing, including initializing tests, running tests, rebooting instances, and pinging instances. Furthermore, the user has focused on setting up the environment, configuring instances, and defining parameters for performance experiments involving a large number of devices.
thingsboard
smatvienko-tb/thingsboard-pe-docker-compose
Jun 2022 - Mar 2025
Docker configuration example for ThingsBoard PE Microservices
Contributions:15 pushes, 7 branches in 2 years 9 months
thingsboarddockerkubernetesthingsboard-pemicroservices
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