Андрій

Andrii Sakhno
Ukraine, Yaremche
Tel. [відкрити контакти](див. вище в блоці «контактна інформація»)
[відкрити контакти](див. вище в блоці «контактна інформація»)
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Telegram: https://t.me/andrii_lw

Python Software Engineer

Summary
Experienced Python Software Engineer with a strong background in OCR technologies, web scraping,
and backend development. Skilled in designing scalable scraping systems, optimizing data extraction
processes, and implementing OCR solutions for document recognition. Proficient in cloud infrastructure,
automation, and API development. Adept at working in agile teams, improving system performance, and
streamlining workflows.

Skills & expertise:
Programming Languages: Python
Web Frameworks: Django, Dash, Flask
Databases: PostgreSQL, MySQL, MongoDB, Redis
ORM: Django ORM, SQLAlchemy
Scraping Tools: Requests, XPath, Parsel, BeautifulSoup4, Selenium, Splinter, Scrapy, Pyppeteer,
Playwright
Image Processing: Pillow, TesseractOCR, PaddleOCR
Mobile Testing: Appium-python-client
Asynchronous Programming: Async/await, Threading, aiopg
Messaging & Task Queues: RabbitMQ (pika, aio-pika), Celery
Containers & Deployment: Docker, Docker Compose, Kubernetes (Rancher, OpenShift), Jenkins
Desktop Applications: PyQt5, PyInstaller, PyUpdater

Work experience:
Python Software Engineer
Comparus
May 2023 – June 2024

Developed new functionalities and enhanced existing features for an OCR service, including rule-based
searches for entities in documents and their classification. Engaged in API development and updates.

• Improved the recognition of monetary amounts in multi-page invoices (net, tax, total, delivery,
prepayment) and identified total amounts with components.
• Implemented recognition of document rotation angles in scanned images, enabling proper orientation
recognition within the application.

Technologies:
OCR (Tesseract, PaddleOCR, EasyOCR), API (Connexion, OpenAPI), Infrastructure (Docker, Jenkins,
Kubernetes), Cloud (MinIO, AWS S3), Data Science (NumPy, Pandas, OpenCV, scikit-image,
Transformers, Datasets), Scrum, Testing (pytest, unittest).

Python Software Engineer
DataOx
Jan 2021 – April 2023
Developed various web and Android data scraping solutions, including asynchronous data
processing with Requests, Selenium, Splinter, MongoDB, PostgreSQL, and AWS S3. Created a
scraper system for collecting video ads from Android applications using Appium on virtual and real
devices.

• Built a scalable scraper system (Web app + Scrapers Orchestrator) with Django, Pyppeteer,
RabbitMQ, Celery, and Kubernetes.
• Developed web and desktop UIs for scraping management, along with automated updates
and administrative control.

Technologies:
Web frameworks (Django, Dash, Flask), Databases (Postgres, MySQL, MongoDB, Redis),
Scraping libs (Requests, BeautifulSoup4, Selenium, Pyppeteer), Docker, Kubernetes, Google API,
AWS S3.

Enterprise System Administrator
PJCS “Insurance company "Energorezerv"
Mar 2018 – Nov 2020
Maintained networks, servers, and software systems, diagnosing and resolving network and system failures.

Co-founder, Head of Estimation Department
PE "Kyiv Bureau of Services" Mustang”
Dec 2008 - Aug 2017 (8 years 9 months)
Developed and maintained a commercial vehicle appraisal product.

Projects:
TDWAY.COM (Nov 2014 – Dec 2020)
A social network for travelers to share experiences, plan journeys, and find travel mates.
Tech stack: Frontend (jQuery), Backend (Python3, Django2, PostgreSQL), Tools (Docker).

AutoREPORT (2003 - 2017)
Commercial vehicle appraisal software. Developed algorithms for damage calculation and integrated with
external systems.
Tech stack: .NET/C#, Delphi, MS Word & Excel API.

Education:
- National Technical University of Ukraine «Kyiv Polytechnic Institute», Physics and mathematics faculty,
specialty - Physics, Master’s Degree with honors (Sep 1999 – Jun 2005);
- International University of Finance, Finance and Economics Faculty, specialty - Finance, Bachelor's
degree in Finance (Oct 2005 – Jul 2007);
- Kyiv National Economic University named after Vadym Hetman, Finance and Economics Faculty,
Master’s Degree in Finance (Jan 2008 – Feb 2009).

Languages:
English (Intermediate), Ukrainian (native), Russian (native)