Summary

Expertise

Project Highlights

Education

Agency

OL

English:

Upper Intermediate

Oleksandr L.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

Senior Full-Stack Developer with 7 years of experience

Oleksandr is a Full-Stack Developer with bias towards back-end engineering. He was also responsible for technical leadership of remote teams. Highly skilled in AWS environment. Oleksandr worked with several British clients and visited them onsite in the UK.

Want to hire this engineer?

Check if Oleksandr is available

Expertise

Years of commercial development experience

7 years of experience

Core technologies

JavaScript 7 years
Node.js 6 years
AWS 6 years
TypeScript 5 years
Next.js 2 years
Docker 4 years

Other technologies

Express.js
Kubernetes
MongoDB
PostgreSQL
Socket.IO
Stripe
Twilio
Redis
RESTful API
Docker
DynamoDB
Pug
Mongoose
Serverless
Knex.js

Project Highlights

icon
Backend Software Engineer

Under NDA

Oct `22 - Mar `23

5 months

Intro Only is a private, international community of young driven professionals looking to meet through curated events.

Responsibilities & achievements

Studying the existing code • Debugging and fixing the existing bugs • Improve the payment system • Developing minors changes • Developing RESTfull API for Web + mobile Applications • Fixing minor bugs on frontend

Express.js
JavaScript
MongoDB
Node.js
React.js
Stripe
Twilio
Mongoose
Next.js
icon
Backend Software Engineer

Navengage – Codemotion.ninja

Mar `22 - Oct `22

7 months

Navengage is a system that replaced university’s legacy software. It supports campuses, organizations, events and communication management.

Responsibilities & achievements

Studying the existing code • Debugging and fixing the existing bugs • Rewriting, refactoring and improving the most existing project part • Developing RESTfull API for Web + mobile Applications • Adding new modules/features from scratch • Developing new side project (ORM system) from scratch • Optimizing existing DB structure • Researching, resolving database overload issues • Optimizing load balancing • Monitoring servers / resolving critical issues • Code reviewing • Team discussion • Writing missed unit, integration and API tests • f2f communication with the client

AWS
Express.js
JavaScript
Node.js
Docker
Swagger
Knex.js
icon
Backend Software Engineer

Nomo Bank – Codemotion.ninja

Oct `21 - Dec `21

2 months

Nomo – a digital mobile banking application (UK and Middle East)

Responsibilities & achievements

Helping and supporting to deliver of the new feature before going to production • Team leadership • f2f communication with the client

AWS
TypeScript
Elasticsearch
DynamoDB
Serverless
AWS Lambda
icon
Backend Software Engineer, Team Lead

Brighteon – Codemotion.ninja

Apr `19 - Sep `21

2 years

Brighteon – web application, social video platform (like YouTube) with Free Speech topic

Responsibilities & achievements

Studying the existing code • Debugging and fixing the existing bugs • Refactoring and improving the most existing project part • Rewriting the project from serverless into node.js • Optimize video converting/uploading process • Developing RESTfull API for Web application • Developing modules/features from scratch • Server load balancing • Migrate database • Researching, resolving database overload issues • Monitoring production servers / resolving critical issues • Code reviewing • Team discussion, team leading • API tests

AWS
Express.js
JavaScript
Node.js
TypeScript
Docker
Swagger
Serverless
AWS Lambda
Knex.js

Education

Higher Education

Agency

Cloud-native dev+ops, 2k+ ppl agency #4226

400+

GMT+1

Ukraine

Core Expertise

AWS
Azure
Big Data Architects
Cloud Engineer
Database Developer
Java
JavaScript
MongoDB
MySQL
.NET
Node.js
Oracle
PHP
PostgreSQL
Python
React.js
React Native
Ruby
Ruby on Rails
SQL
UI
Automated Testing
Automation
Database Modeling
Golang
System Automation
RESTful API
Android NDK
iOS SDK
Microservices
.NET Core
Data Analyst
SwiftUI

Industries

Internet & Telecom, Statistics & Atalytics, Data Science & Machine Learning, Big Data, SaaS

Want to hire this engineer?

Check if Oleksandr is available