Kostiantyn Illienko
Head Of Engineering at Tranzzo
Ukraine
Summary
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Rockstar🎓
Top SchoolKostiantyn Illienko is a Head of Engineering with a decade of hands-on experience building and leading backend teams from Kharkiv, Ukraine. He progressed from Java trainee roles to senior engineer and team lead positions before taking leadership at Tranzzo, blending technical depth in Java/Kotlin with people and delivery management. An active contributor to Go open-source tooling, he has improved database migrations, gRPC logging, and CRUD behavior in the gofr framework—showing he moves comfortably between production systems and developer-facing infrastructure. He holds a master's in Software Projects Management, and is known for pragmatic engineering: shipping reliable microservice patterns while keeping an eye on observability and SQL correctness.
10 years of coding experience
10 years of employment as a software developer
National Technical University "Kharkiv Polytechnic Institute"
Ukrainian, English
Stackoverflow
1reputation
0reached
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Github Skills (8)
golang10
rest-api10
go10
sql10
testing9
postgresql9
microservices-application9
microservices9
Programming languages (2)
Github contributions (5)
gofr-dev/gofr
Apr 2024 - Jul 2024
An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 reviews, 5 PRs, 26 comments in 2 months
Contributions summary:Kostiantyn contributed to the Gofr framework by merging branches and implementing changes related to database migrations and gRPC logging. Their work included modifying test files for SQL migrations, integrating features, and adjusting database handling. They also addressed issues related to PostgreSQL support, including code changes for the Create, Get, Update, and Delete handlers. Further contributions included the modification of CRUD handlers to support SQL keywords and refactoring of code in relation to CRUD operations.
gogolanggolang-frameworkgrpcgrpc-go
illenko/gofr
Apr 2024 - Jul 2024
An opinionated Go framework for accelerated microservice development
Contributions:40 pushes, 5 branches in 2 months
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