Михайло

Golang developer

Age:: 22 years
City:: Odesa

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Mykhailo Grygorenko
Software Engineer
Ukraine, Odessa | (look above in the "contact info" section) | (look above in the "contact info" section) | LinkedIn

Skills

Backend: Golang, MySQL, PostgreSQL, Redis, Node.js
DevOps: Linux, Docker, Kubernetes, CI/CD, GitHub, Gitlab
Cloud infrastructure: GCP, GKE
Frontend: React, Redux

Experience

Fullstack developer | Extrums February 2024 - February 2026

● Maintained and extended a legacy Node.js backend, developing new REST API endpoints
and integrating third-party services (marketing, ad platforms).
● Migrated a high-load microservice from Node.js to Golang, reducing compute resource
consumption by ~75% and eliminating memory-leak crashes under peak traffic.
● Optimized data export processes using Node.js streams, reducing report generation time
from 2 hours to a few minutes.
● Improved PostgreSQL database performance by resolving N+1 query issues.
● Built push-based CI/CD pipelines in GitLab
● Collaborated directly with US-based stakeholders, gathering technical requirements,
providing task estimations, and ensuring on-time delivery in a fast-paced outstaff environment.
● Tech stack: Node.js, Golang, React, PostgreSQL, MySQL, Gitlab CI

Languages

● English - upper-intermediate
● Ukrainian - native
● Russian - native

Education

Bachelor’s in Software Engineering September 2021 - July 2025
Odessa polytechnic national university

Михайло

Golang developer

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