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Oleksandr – Golang, Docker, GraphQL, experts in Lemon.io

Oleksandr

From Ukraine (GMT+3)

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Back-End Web DeveloperMiddle-to-senior
Hire developer
7 years of commercial experience
Business intelligence
Project management
Sales
CRM
SaaS
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Oleksandr – Golang, Docker, GraphQL

Oleksandr is a professional Back-End developer with deep knowledge and solid experience with Go. He is a big fan of improving the maintainability of the applications by adding static code analyzer checks, simplifying the readability of the codebase. Oleksandr possesses great interest in DevOps direction and is actively involved in honing skills in this area. A high level of analytical thinking combined with confident communication and solid hard skills level is what makes Oleksandr a stand-out candidate for your project!

Main technologies
Golang
6 years
Additional skills
Docker
GraphQL
Cassandra
PostgreSQL
gRPC
MySQL
Kafka
Microservices
GCP
GitLab
REST API
AWS
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Senior Software Engineer
Feb 2020 - Ongoing4 years 3 months
Project Overview

Developing a microservice to serve a high volume of requests. The application aims to help the business to provide customers with a flexible platform to manage different settings.

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Responsibilities:
  • made discussion of new requirements
  • implemented new features, wrote tests
  • integrated and maintained static code analyzers
  • helped to onboard new team members
  • maintained docs (in code and in confluence)
Project Tech stack:
Golang
Cassandra
Docker
Git
REST API
Kafka
AWS
GraphQL
Software Engineer
Jun 2018 - Feb 20201 year 8 months
Project Overview

Account (or even Person) based marketing product that allows to engage of specific buying group members with person-based ads and track individual intent.

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Responsibilities:
  • responded to the owner/maintainer/SME/developer of several microservices and contributed to a couple of others
  • uploaded speed improvement by 20x
  • implemented per-row validation with our database and a lot of other checks
  • leveraged concurrency from Golang and prepared statements from MySQL
Project Tech stack:
Golang
MySQL
GCP
Docker
Gitlab
Microservices
REST API
Software Engineer
Oct 2017 - Jun 20187 months
Project Overview

The project was the symbiosis of Jira and Excel on "steroids".

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Responsibilities:
  • debugged and resolved the application issues
  • wrote unit and integration tests
  • contributed to the development layout, and documentation
  • participated in the internal community evolution
Project Tech stack:
Golang
Git
Docker
PostgreSQL

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