Vadym

Summary

Contact Information:
Full name: Keranov Vadym Sergeevich
Phone number: [open contact info](look above in the "contact info" section)
Email: [open contact info](look above in the "contact info" section)
GitHub: https://github.com/VadimKeranov

Purpose:
Position: Junior

About me:
I started learning programming at 18, beginning with C and then C#. At
university, I gained experience with Java and the Spring framework. Alongside
my studies, I discovered Python, which has become my main language.

I'm focused on backend development - working with databases, APIs, and
different technologies. I'm looking for a junior backend developer position to
grow professionally, work with a team, and gain practical experience.

Skills

Languages: Python (Asyncio, Typing), SQL, HTML/CSS.
Frameworks: Flask (Advanced), FastAPI, SQLAlchemy.
Databases & Caching: PostgreSQL, Redis (Streams).
Integrations: OpenAI API (Whisper, GPT-4), pyTelegramBotAPI (Telebot),
Google Sheets API.
Architecture & Patterns: OOP, SOLID, Layered Architecture (API-Service-
Repository), REST API.
Tools & Infrastructure: Docker, Docker-compose, RabbitMQ, Git, PyCharm.
Testing & Management: Unit Tests (Pytest), Scrum, Azure (Basics).
Experience:

Freelance Python Developer, Odessa / Remote
• CRM System (In Progress):
Currently developing a fullstack CRM for portfolio:
o Backend: Flask, SQLAlchemy, PostgreSQL, layered architecture,
JWT authentication
o Frontend: React (Vite)
o Dockerized environment, unit testing
• Telegram Inventory Bot:
Developed a Telegram bot for a furniture company, integrated with
Google Sheets API to automate inventory management. Deployed and
maintained on a VPS for reliable 24/7 access.
• Audio-to-Text Transcription API (OpenAI Whisper):
Designed and implemented a Flask-based backend service for speech-to-
text transcription using OpenAI Whisper.
o Created REST API endpoints for uploading audio files (mp3, ogg,
m4a, wav), with support for processing large files by splitting into
chunks and running transcription in background threads.
o Implemented automatic extraction and structuring of key
information from the transcribed text (using OpenAI GPT) and
return of result as a formatted summary for end users (including
Telegram integration).
o Deployed on server, API documented and tested.
 • 2D Topdown Shooter (Game Prototype):
Developed a simple top-down shooter game prototype (Unity/C#) with
basic game logic, player control, and enemy AI.

Backend Python Developer | McEasy (mceasy.com.ua) November 2025 —
March 2026 (5 months)
• Project: Development and maintenance of a SaaS logistics and telematics
platform.
• Tech Stack: Python, Flask, Redis, Redis Streams, SQLAlchemy,
PostgreSQL, Docker.
• Responsibilities: Designing REST API endpoints, implementing real-time
data processing via message queues, and optimizing performance through
caching.
• Architecture: Layered System (API, Service, Repository), Microservices.

Updated Skills (Short)
• Backend: Python (Async/Await), Flask, FastAPI, JWT.
• Data & Messaging: PostgreSQL, SQLAlchemy, Redis (Streams),
RabbitMQ.
• Tools: Docker, Docker-compose, Git, PyCharm.
• Concepts: OOP, SOLID, Layered Architecture, REST.

Education:
Dachne lyceum №1 of Dachne village council (2011-2022)
Odessa Polytechnic (2022-...)
I currently have a complete secondary education.

Languages:
• Ukrainian
• English