Vasil Kotsev
Principal Software Engineer at Fastmarkets
Bulgaria
Summary
🤩
Rockstar🎓
Top SchoolVasil Kotsev is a Principal Software Engineer with 11 years of experience architecting and modernizing complex, production-grade systems in financial and commodity price reporting domains. Currently leading platform and infrastructure efforts at Fastmarkets, he has driven migrations from legacy systems to a .NET 9+/Angular v19+ stack, containerization, and k8s orchestration while introducing source generators, ANTLR-backed price engines, and CI speedups of over 50%. He combines deep backend expertise (Cosmos DB tooling, Redis resiliency, custom build pipelines) with practical front-end and UX work from earlier roles, including interactive 3D building viewers and analytics dashboards. Vasil often bridges product and engineering, producing architecture proposals, diagrams and docs, and is known for pragmatic automation that reduces operational pain (e.g., a custom Cosmos DB bulk CLI and NX Atomizer adoption). Based in Bulgaria, he brings a consultant’s discipline to internal platforms, focusing on reliability, observability, and measurable delivery improvements.
11 years of coding experience
6 years of employment as a software developer
54. SU "St. Ivan Rilski"Software Engineering, Software Engineering at Software University (SoftUni)
English, Bulgarian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (96)
windows10
databases10
mvc10
softuni10
nvm10
hangfire10
cqrs10
shieldsio10
dotnet10
redis-client10
mapper10
steam10
json10
entity-framework-core10
nodejs10
Programming languages (5)
Github contributions (5)
SonnyRR/nuke-docker-github-registry
May 2021 - Feb 2023
🗜 An example project using NUKE + Docker + GitHub Image Registry that shows how to publish Docker images via GitHub actions.
Contributions:72 reviews, 40 commits, 89 PRs in 1 year 9 months
dockerdocker-imagebuilt-in-containerscicdcsharp
SonnyRR/SonnyRR.github.io
Jan 2019 - Oct 2022
Contributions:32 commits, 49 pushes, 1 branch in 3 years 10 months
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