Dmytro

From Ukraine (UTC+3)

Back-end Web DeveloperSenior

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14 years of commercial experience

Food and beverages

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Dmytro is looking for the first project with us, but we have verified and summarised the previous experience for you

Skills and seniority verified on Dec 5, 2023

Dmytro – Golang, MySQL, ElasticSearch

Dmytro is an experienced software developer with over a decade of expertise, showcasing a strong foundation in SQL (MySQL, Amazon Redshift) and NoSQL (ElasticSearch, AeroSpike, Redis). His strengths lie in working with big data sets and demonstrating proficiency in Go fundamentals. He possesses practical knowledge of domain-driven design and clean architecture, along with hands-on experience with Kafka and a solid understanding of AWS. Dmytro has a proven track record of addressing diverse challenges, including fixing corrupted data, managing advertising and promotion systems such as Facebook and Kevel, and successfully migrating legacy codebases. He exudes maturity, values stability in his work, and is highly dedicated and responsible. Dmytro has approximately two years of leadership experience, leading small to medium-sized teams of 3-4 developers.

Main technologies

Golang

8 years

MySQL

10 years

ElasticSearch

5 years

Additional skills

Docker

Unit testing

REST API

PostgreSQL

Golang REST API

Redis

PHP

Git

jQuery

NoSQL

Kafka

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Experience Highlights

Senior Software Developer

Dec 2012 - Ongoing12 years 2 months

Project Overview

Vivino is the world’s largest wine marketplace.

Skeleton

Responsibilities:

Led the migration of the codebase from PHP to Go, optimizing and refactoring both code and database structures for enhanced performance;
Created a parser that collects products and prices for end users to purchase wine in the app. The parser runs a few times a day across 30K sources, with approximately 3M valid prices;
Executed the migration of a monolith to a domain-driven structure, adhering to clean architecture principles to enhance system flexibility and maintainability;
Implemented rule-based data cleanup engine using ElasticSearch that allows fixing data in big chunks;
Engineered a dynamic system for showcasing sponsored content, empowering wineries and merchants to promote their products. Utilized various fallback mechanisms, including Prebid, Admob, and Adsense, resulting in an average of 10 million daily calls.

Project Tech stack:

Golang

Golang REST API

MySQL

ElasticSearch

Redis

Software Developer

Dec 2010 - Dec 20122 years

Project Overview

News aggregator for university alumni.

Skeleton

Responsibilities:

Spearheaded the development of both front-end and back-end architectures;
Designed and optimized APIs;
Collaborated closely with iOS and Android clients.

Project Tech stack:

PHP

jQuery

Git

Keep in mind, the experience summary might exclude non-relevant projects

Education

2011

Faculty of Applied Mathematics and Informatics

bachelor

Languages

English

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