Alexey Zimarev
Head Of Engineering at Ubiquitous AS
Larvik, Vestfold og Telemark, Norway
Summary
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Rockstar🎓
Top SchoolAlexey Zimarev is a Head of Engineering and seasoned software architect with 11+ years focused on domain models, DDD, microservices and cloud-native distributed systems. He authored "Hands-On Domain-Driven Design with .NET Core" and created the Eventuous framework, reflecting deep practical experience in event sourcing and event-driven architectures. At Kurrent (formerly Event Store) he has combined product, advocacy, and engineering leadership—contributing to core EventStoreDB features and developer experience while guiding customer-facing adoption. His open-source work includes improving persistence providers for the high-performance Proto Actor project, showing hands-on expertise across databases like Couchbase, MongoDB, Marten and SQL variants. Based in Norway, he also runs Ubiquitous AS to train teams in DDD and event-driven design, blending coaching with production-grade engineering. Notably, he pairs strategic architecture work (Kubernetes, cloud migrations, DevOps culture) with low-level persistence and subscription improvements that materially improve reliability and developer productivity.
11 years of coding experience
29 years of employment as a software developer
Professional Certificate Management, Professional Certificate Management at The Open UniversityData Science, Data Science at Johns Hopkins Bloomberg School of Public HealthNational Research University of Electronic Technology (MIET)
English, Dutch, Russian, Norwegian
Stackoverflow
18,827reputation
1.5mreached
583answers
22questions
rest
top-5%
json
top-5%
asynchronous
top-5%
redis
top-5%
rabbitmq
top-1%
domain-driven-design
top-1%
Github Skills (36)
proto-actor10
net10
dotnet10
event-sourcing10
rabbitmq10
asp-net10
persistence10
dotnet-core10
actor10
csharp10
domain-driven-design10
cqrs9
redis9
asp-net-core-mvc9
asynchronous9
Programming languages (25)
Github contributions (5)
kurrent-io/EventStore
Dec 2016 - Feb 2022
EventStoreDB, the event-native database. Designed for Event Sourcing, Event-Driven, and Microservices architectures
Role in this project:
Back-end Developer
Back-end DeveloperContributions:88 reviews, 60 commits, 109 PRs in 5 years 3 months
Contributions summary:Alexey primarily contributed to the core functionality of the event store database, implementing features and fixing bugs related to connection management, subscriptions, and documentation. They added functionality to the connection settings builder and subscription overflow handling, as well as updating documentation related to HTTP API. The user also worked on documentation and samples to improve usability.
eventstoreevent-sourcingcqrsdatabasestream
asynkron/protoactor-dotnet
Aug 2017 - Apr 2021
Proto Actor - Ultra fast distributed actors for Go, C# and Java/Kotlin
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 reviews, 35 commits, 42 PRs in 3 years 9 months
Contributions summary:Alexey primarily contributed to the persistence layer of the Proto Actor project, focusing on implementing and modifying event sourcing providers. They updated implementations for Couchbase, SQL Server, MongoDB, Sqlite, RavenDB, Marten and InMemory providers. The changes included modifications to how events are retrieved, persisted, and snapshotted across various database technologies, enhancing the project's data storage capabilities. Additionally, the user fixed build issues in the project and updated the remote and cluster project files.
protobufgrpcultraprotodistributed-actors
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