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Михайло
Програміст Golang
- City of residence:
- Kyiv
- Ready to work:
- Kyiv, Remote
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MYKHAILO VOLOSHENKO
GOLANG BACKEND ENGINEER
[open contact info ](look above in the "contact info" section)
[open contact info ](look above in the "contact info" section)
KYIV, UKRAINE
TELEGRAM : @VOLOSHMIAK
GITHUB : VOLOSHMIAK
LINKEDIN : MYKHAILO
PROFESSIONAL SUMMARY
Back - end engineer with production experience owning revenue and
retention systems at an EdTech product - subscriptions, recurring
billing, and user engagement. Builds distributed Go services with gRPC,
Kafka, and Kubernetes independently. Comfortable taking features with
minimal guidance and getting up to speed on unfamiliar systems quickly.
SKILLS
Languages: Golang, SQL
Frameworks: Gin, gRPC
Databases: MongoDB, PostgreSQL, Redis
Cloud/DevOps : Docker, Kubernetes, GCP, Terraform, CI/CD , Git
Observability: Sentry, Grafana, Jaeger, OpenTelemetry
Tools: Apache Kafka
LANGUAGES
English: Upper Intermediate ( B2)
Ukrainian: Native (C2)
EXPERIENCE
Junior Back - End Engineer — Codefinity, Kyiv, Ukraine (Hybrid)
Dec 2025 – Aug 2026
Developed features end - to - end across backend services — from API design
and data modeling through deployment , monitoring and debugging in
production .
• Worked on the subscription system — recurring billing, plan
upgrades, and lifecycle handling (trials, resubscribe, tier - based
access).
• Implemented the streaks system credit ing user activity for regular
platform visits, supporting user retention and the end - user
experience .
• Owned the data layer for the features above — schema design,
transactions, index optimization, query tuning and migrations
(primarily MongoDB; PostgreSQL for cross - database sync and feature
tables).
• Maintained and developed in - product AI integration.
PET PROJECTS
Scalable E - Commerce Platform (Microservices)
Distributed, microservices - based platform designed for scalability and
resilience. Each business capability is an independently deployable,
containerised service communicating over gRPC and Kafka .
• Golang
• gRPC
• Apache Kafka
• Docker, Kubernetes
• PostgreSQL, MongoDB, Redis, Elasticsearch
Simple Forum
Web application built with Go providing account management, topic
creation, and message posting .
• Golang
• PostgreSQL
• Docker
• Server - Side Rendering
• JWT
EDUCATION
2024 - Present Information Systems and Technologies
Kyiv Polytechnic Institute ( online learning with
flexible schedule)
GOLANG BACKEND ENGINEER
[
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KYIV, UKRAINE
TELEGRAM : @VOLOSHMIAK
GITHUB : VOLOSHMIAK
LINKEDIN : MYKHAILO
PROFESSIONAL SUMMARY
Back - end engineer with production experience owning revenue and
retention systems at an EdTech product - subscriptions, recurring
billing, and user engagement. Builds distributed Go services with gRPC,
Kafka, and Kubernetes independently. Comfortable taking features with
minimal guidance and getting up to speed on unfamiliar systems quickly.
SKILLS
Languages: Golang, SQL
Frameworks: Gin, gRPC
Databases: MongoDB, PostgreSQL, Redis
Cloud/DevOps : Docker, Kubernetes, GCP, Terraform, CI/CD , Git
Observability: Sentry, Grafana, Jaeger, OpenTelemetry
Tools: Apache Kafka
LANGUAGES
English: Upper Intermediate ( B2)
Ukrainian: Native (C2)
EXPERIENCE
Junior Back - End Engineer — Codefinity, Kyiv, Ukraine (Hybrid)
Dec 2025 – Aug 2026
Developed features end - to - end across backend services — from API design
and data modeling through deployment , monitoring and debugging in
production .
• Worked on the subscription system — recurring billing, plan
upgrades, and lifecycle handling (trials, resubscribe, tier - based
access).
• Implemented the streaks system credit ing user activity for regular
platform visits, supporting user retention and the end - user
experience .
• Owned the data layer for the features above — schema design,
transactions, index optimization, query tuning and migrations
(primarily MongoDB; PostgreSQL for cross - database sync and feature
tables).
• Maintained and developed in - product AI integration.
PET PROJECTS
Scalable E - Commerce Platform (Microservices)
Distributed, microservices - based platform designed for scalability and
resilience. Each business capability is an independently deployable,
containerised service communicating over gRPC and Kafka .
• Golang
• gRPC
• Apache Kafka
• Docker, Kubernetes
• PostgreSQL, MongoDB, Redis, Elasticsearch
Simple Forum
Web application built with Go providing account management, topic
creation, and message posting .
• Golang
• PostgreSQL
• Docker
• Server - Side Rendering
• JWT
EDUCATION
2024 - Present Information Systems and Technologies
Kyiv Polytechnic Institute ( online learning with
flexible schedule)
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The candidate's resume is posted at https://www.work.ua/resumes/15362362/