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Yaroslav Chornyi Profile

I’m a Full-Stack Developer with 4 years of proven experience. I have been working
with various programming languages and technologies, and know how to
communicate with the customers, work with requirements, create technical
specifications, and develop an MVP.

Education

Computer software engineering Oct 2020 - Jun 2023
IT STEP Academy, Dnipro
Personal details
Software engineering (Bachelor's) Sep 2022 - Present
NTU ‘Dneprovsk Polytechnic’, Dnipro
Yaroslav Chornyi

[open contact info](look above in the "contact info" section) Employment
[open contact info](look above in the "contact info" section)
Python Engineer Jan 2023 - Jun 2023
Freelancehunt.com, Dnipro
Dnipro, Ukraine Dnipro
I've developed projects using SQLite3, creating a news site, a stock bot and a
Ukrainian stock exchange site
Worked with the Selenium library for captcha solving software
github.com/Yaroslavv05 Used Django to create news sites, business card sites, captcha sites,
cryptocurrency sites and exchanges
[open contact info](look above in the "contact info" section) Used Django AJAX to modify site content, check email on a login site
b7821024b Created Telegram bots with the aiogram library
Developed site interfaces using JavaScript, HTML and CSS

Python Teacher (Part-time) Jun 2023 - Aug 2025
Skills IT School Smart, Dnipro

Python Taught Python programming and basics of developing and writing effective
code
Django Developed training programmes aimed at developing skills in solving practical
problems
Django Rest Framework
Explained principles of working with data, creating algorithms and optimising
FastApi their performance
Helped to understand concepts of server-side and client-side development
Aiogram Introduced approaches to automating processes and structuring information

Sql/NoSql
Junior FullStack Developer/DevOps Jun 2023 - Jul 2024
MySQL AzulTrade, Kyiv

MongoDB
Deployed Django web applications on Linux servers using Nginx as a proxy to
PostgreSql handle incoming requests
Developed the Frontend portion of projects using React
Redis Created APIs using the Django Rest Framework (DRF)
Worked on bug fixes and added new features for a client's big data back-end
Firebase/Firestore system
Participated in teamwork and created a historical data collection system for
AWS
users using Django
GCP
Strong Junior FullStack Developer (Part-time) Jul 2024 - Jun 2025
Nginx AzulTrade, Kyiv

Gunicorn Involved in client and team communication
Developed endpoints for a mobile app using FastAPI
Docker
Built Frontend using the React framework
Kubernetes Developed algorithms for business process automation using Python
Built an automated trading system
Git/GitHub

REST API Junior Software Developer Aug 2024 - Dec 2024
B&G Soft Agency, Barcelona
Selenium
Involved in client and team communication
HTML/CSS
Developed data scrapers using Selenium and bs4
JavaScript/TypeScript Built backend on FastAPI
Trained AI models to generate predicates using PyTorch
React Deployed applications on GKE and optimised database queries

Celery
Middle Python Developer Dec 2024 - Present
Unittests
Traffic Devils, Kyiv
Linux • Developed and optimised microservices in Python (FastAPI) and Go for
processing large amounts of data.
OpenAi • Optimised SQL queries and database operations (PostgreSQL, ClickHouse),
configured indexes, and improved performance.
LLM • Designed module architecture and implemented service business logic.
• Found and implemented optimal solutions to eliminate technical problems and
PyTorch
improve system stability.
RabbitMQ • Wrote and maintained technical documentation.
• Interacted with managers and the team to agree on new technologies and
SQLAlchemy architectural solutions.
• Participated in code reviews and assisted less experienced developers.
Scrum/Agile • Configured and maintained CI/CD processes, worked with Docker.
• Integrated third-party APIs and services, implemented asynchronous tasks using
Go
asyncio and Celery.
ClickHouse • Wrote unit and integration tests (pytest, unittest).

GitLab

Languages
Ukrainian

English