Vadym Bartko - Python Backend/ML Engineer

📍 Location: Vienna, Austria
Email: vadym.bartko@protonmail.com
🌐 Personal blog: vadym.bartko.me
🔗 LinkedIn: linkedin.com/in/vbartko
🛂 Visa & Work Permit: Valid work authorization in Austria
🗣 Languages: English, Russian, Ukrainian, German


Summary


Looking for


Core Skills

Backend: Python (Flask, FastAPI, Django, DRF, Celery, RabbitMQ, boto3), REST API, microservices
Cloud & Deployment: AWS (Lambda, S3, Textract, SQS, SNS, RDS, DynamoDB), Kubernetes, Docker, Helm
Databases: PostgreSQL, MongoDB, Redis, DynamoDB
PDF Processing: Ghostscript, PyMuPDF, OCR, text/font analysis, compression, optimization
AI & Computer Vision: TensorFlow, OpenCV, Scikit-learn, CNN, UNet, FaceNet, object detection, segmentation, OCR
Other: Distributed systems, R&D, image processing


Work Experience

P-ProductPython Backend Engineer (2024 – Present)

MilTech startup – Counter-Drone System

Zoral – Python Backend Engineer (2020 – 2022)

Developed scalable backend services focused on PDF processing, AI integration, and AWS automation.

Built and optimized processing pipelines for large batches of financial documents — achieved multi-fold performance improvements, handling thousands of pages in 3–5 minutes.

Included OCR of scanned pages, page cropping and filtering, compression and optimization of embedded images, and overall file size reduction without loss of quality.

Designed REST APIs and asynchronous workflows using Celery and RabbitMQ.

KhumbuFounder (2018 – 2019)

LohikaMachine Learning / Python AI Engineer (2015 – 2019)

Earlier Roles (2007 – 2015) – Java/Python Engineer, Team Lead


Education

BS in Information Technology — Kharkiv National University of Radio Electronics (2008 – 2014)


Hobbies

Climbing, hiking, photography, history, art