Oleksandr

From Ukraine (UTC+3)

Back-end Web DeveloperStrong senior

Tech lead

12 years of commercial experience

Banking

Fintech

Gamedev

Marketing

Retail

Marketplace

Skills and seniority verified on Oct 2, 2020

Oleksandr – Java, Spring Boot, AWS

Oleksandr is an experienced back-end developer with a decade of Java expertise. He has contributed to architectural solutions and taken on leadership roles. Oleksandr thrives in collaborative environments and enjoys coding challenges. His keen interest and extensive background in DevOps complements his back-end development skills.

Main technologies

Java

10 years

Spring Boot

6 years

AWS

6 years

Additional skills

Scala

React

MongoDB

Kubernetes

Hibernate

PostgreSQL

Docker

PHP

JavaScript

Kotlin

Kafka

Redis

Spring WebFlux

ElasticSearch

DevOps

Spring

Terraform

Direct hire

Potentially possible

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Experience Highlights

Senior Java Developer

Oct 2020 - Ongoing4 years 7 months

Project Overview

Fintech start-up.

Responsibilities:

Worked as a senior software engineer;
Took part in coding/architecture decisions;
Mentored Junior developers.

Project Tech stack:

Java

Spring Boot

AWS

Senior Java Developer / Team Lead

Aug 2019 - Aug 20201 year

Project Overview

Financial company that works on transferring money to African countries.

Responsibilities:

Transformed a monolithic architecture into microservices, optimizing scalability, maintainability, and performance.

Project Tech stack:

Java

Spring

Hibernate

Reactive Stack

PostgreSQL

AWS

Senior Full-Stack Developer

Aug 2018 - Sep 20191 year 1 month

Project Overview

Content delivery system for marketing platform.

Responsibilities:

Managed and enhanced the functionality of the content delivery system, ensuring its continuous operation;
Implemented new features to meet evolving needs.

Project Tech stack:

Java

Spring Boot

Hibernate

Netflix stack

AWS

Terraform

Java Developer

Jun 2016 - May 20181 year 10 months

Project Overview

Rest API for the mobile game for kids.

Responsibilities:

Developed and maintained the REST API for both the mobile game and analytical platform;
Ensured seamless communication and efficient data exchange between clients and servers.

Project Tech stack:

Java

Spring

Hibernate

Vaadin

Jersey

Full-stack Developer

Feb 2013 - Aug 20163 years 6 months

Project Overview

The marketplace for beauty products where people can view, pick and buy the goods.

Responsibilities:

Developed both the back-end and front-end components for the website, ensuring a cohesive and user-friendly experience across all aspects of the platform.

Project Tech stack:

Java

Scala

Play Framework

PostgreSQL

MongoDB

AWS

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

Education

2014

Computer Science

Master's

Languages

English

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