Denys

Denys Vasylyshyn
Varash, UA
[відкрити контакти](див. вище в блоці «контактна інформація»)
github.com/mkk5
Junior Backend Engineer t.me/denysv
[відкрити контакти](див. вище в блоці «контактна інформація»)

Summary

Backend Engineer with experience delivering end-to-end solutions from concept to
deployment. Built freelance and personal projects, primarily using FastAPI, PostgreSQL,
Traefik, and Docker. Passionate about infrastructure, networks, and data-driven systems.
Seeking to join an experienced team to grow as an engineer and deliver meaningful
contributions.

Skills

Technologies: Python, FastAPI, Flask, Django, Pydantic, SQL, SQLAlchemy, HTML / CSS,
JavaScript, Svelte, REST API, GraphQL, OpenCV
Databases: SQLite, PostgreSQL
Tools: git, poetry, uv, pytest, playwright
Concepts: Networks, CI/CD, Testing, OOP
DevOps: Linux, Bash, Docker / Docker Compose, Traefik, Nginx, Ansible, Github Actions,
Grafana, Prometheus, Loki
Cloud: Hetzner, DigitalOcean, OCI, AWS
Languages: English (Upper-Intermediate), Ukrainian (Native), Russian (Native)

Experience and Projects

Dota items​ Sep 2024 - Nov 2024
Personal project
●​ Developed a parser for a custom format and unique standardization/unification
logic, distinguishing the product from competitors.
●​ Delivered a FastAPI-based API that attracted significant interest, with 200k views on
Reddit from potential users.
Secure data storage​ May 2024
Personal project
●​ Built a files API and implemented modern passkey authentication using FastAPI and
Hanko.
●​ Added client-side encryption using vanilla JavaScript to ensure robust data
security.
Freelance​ Jan 2022 - Apr 2023
Scraping / Telegram bots / Data Processing / Data Analytics
●​ Build multiple bots to scrape, process, and share data with users using bs4 and
aiogram.
●​ Delivered crypto news and game statistics analytics to end users.

Education

Bachelor of Computer Engineering​ Sep 2020 - Jun 2024
NTUU “Igor Sikorsky Kyiv Polytechnic Institute” | kpi.ua​ Kyiv, Ukraine