Oleksii – Flask, Python, REST API, experts in Lemon.io

Oleksii

From Ukraine (UTC+3)flag

Back-end Web Developer|Middle

Oleksii – Flask, Python, REST API

Oleksii excels at making strong decisions. He is a proficient Middle-Back-End Web Developer with extensive knowledge of Python, strong analytical skills, and a track record of impressive results.

9 years of commercial experience in
Communications
Healthcare
Telecommunications
Communication tools
Main technologies
Flask
3 years
Python
3 years
Additional skills
REST API
GoogleAPI
JavaScript
PostgreSQL
Celery
Microservices
Docker
SQLAlchemy
Direct hire
Possible
Ready to get matched with vetted developers fast?
Let’s get started today!

Experience Highlights

Software Developer. Responsibilities: Designed and implemented system components.
Sep 2020 - Aug 202111 months
Project Overview

Main aim of the tool was to replace google sheets calculations with normal app.

Responsibilities:
Project Tech stack:
PostgreSQL
Python
Peewee
RQ
GoogleAPI
Docker
Software Developer Responsibilities: Designed and implemented system components.
Mar 2019 - Feb 202011 months
Project Overview

The project was aimed to preprocess user's files with DNA data, load them into vendor's tool, gather results and make different bioinformatics calculations.

Responsibilities:
Project Tech stack:
PostgreSQL
Docker
Celery
SQLAlchemy
Flask
Microservices
Software Developer. Responsibilities: Communicated with DevOps's to implement easier deployment and bug fixes.
Feb 2018 - Mar 20191 year 1 month
Project Overview

The product was an open source cloud platform

Responsibilities:
Project Tech stack:
Python
Flask
PostgreSQL
Software Developer. Responsibilities: Maintained and extended Python Api for the platform.
Aug 2017 - Feb 20186 months
Project Overview

The project was a full ecosystem for managing VOIP soft switch.

Responsibilities:
Project Tech stack:
Python
Flask
PostgreSQL
Main aim of the tool was to replace google sheets calculations with normal app.
Period not defined
Project Overview

Main aim of the tool was to replace google sheets calculations with normal app.

Responsibilities:
Project Tech stack:
PostgreSQL
Python
Peewee
RQ
GoogleAPI
Docker
Software DeveloperResponsibilities: Design and implement system components.
Period not defined
Project Overview

The project was aimed to preprocess user's files with DNA data, load them into vendor's tool, gather results and make different bioinformatics calculations.

Responsibilities:
Project Tech stack:
PostgreSQL
Docker
Celery
SQLAlchemy
Flask
Microservices
Software Developer. Responsibilities: Maintaining and extending Python Api for the platform.
Period not defined
Project Overview

The project was a full ecosystem for managing VOIP soft switch.

Responsibilities:
Project Tech stack:
Python
Flask
PostgreSQL

Education

2021
Informatics
Master's
2021
Informatics
Master's

Languages

English
Advanced

Hire Oleksii or someone with similar qualifications in days
All developers are ready for interview and are are just waiting for your requestdream dev illustration
Copyright © 2026 lemon.io. All rights reserved.