Andrii

ANDRII KOVALCHUK
Senior Python Developer | FullStack Developer
Phone: [відкрити контакти](див. вище в блоці «контактна інформація») | Email: [відкрити контакти](див. вище в блоці «контактна інформація») | Location: Düsseldorf, Germany

PROFESSIONAL SUMMARY
Experienced Senior Python FullStack Developer with 20+ years in software development. Specialized
in building scalable systems, FinTech solutions, and high-performance APIs. Expert in microservices
architecture, cloud infrastructure, and DevOps. Proven track record of delivering complex projects
from concept to production.
CORE SKILLS & TECHNOLOGIES
Programming Languages: Python, JavaScript, PHP, VBScript
Web Frameworks: Django, FastAPI, Flask, React Native, NodeJS, NextJS
Databases: PostgreSQL, SQL Functions, Redis, NonSQL
APIs & Integration: REST API, GraphQL, n8n, Twilio
Cloud & DevOps: AWS, OCI, Docker, Kubernetes, Jenkins
Message Queues & Search: Kafka, ElasticSearch
Additional: Git, Microservices Architecture, Low-Latency Systems, DevOps
PROFESSIONAL EXPERIENCE
Mthmr - Senior FullStack Developer
2021 - Present | Saudi Arabia | FinTech B2B advertising platform that offers brands cashback
deals to users of financial institutions.
Developed and maintained a B2B FinTech platform offering cashback deals to users of financial
institutions. Led full-stack development across Python, NodeJS, and React Native.
Developed dynamic framework generating React Native mobile apps from database configuration,
enabling instantaneous feature delivery
Architected and implemented low-latency cashback payment processing system handling 150+
transactions per second
Created plug-and-play API integration (PIP) for financial institutions, reducing integration time by 70%
Built high-performance parsers for Arabic and English bank statements, enabling unlimited historical
transaction imports
Spearheaded AI adoption in development workflow, increasing team development velocity by 3x
PDMSH Medical Unit - Senior FullStack Developer (Volunteer)
2022 - 2024 | Ukraine | CRM System for Medical Supply Management
Developed comprehensive CRM system for medical rescue operations, replacing manual Excel-based
processes.
Built complete CRM system from scratch handling multi-warehouse tracking, equipment inventory,
and vehicle management
Implemented barcode scanning system for real-time inventory tracking and just-in-time medical supply
distribution
Developed features for equipment tracking, fuel management, and resource planning
Freelance Developer - Senior Python Developer
2008 - 2021 | Various Industries: Real Estate, Tourism, Sales, Cryptocurrency
Developed 20+ large-scale web scraping and parsing systems for automated data collection and
marketplace publishing

Reduced manual data processing by 80% through automated systems for data collection, processing,
and publication
Ilta Ukraine - Head of IT Department
2003 - 2008 | Ukraine | Peugeot Sole Importer - Sales and Service
Managed IT department with 8 developers overseeing 270+ computing devices and office equipment
Led implementation and optimization of MBS Axapta ERP system
TPK Ukraine - Head of IT Department
2002 - 2003 | Ukraine | Construction Materials Production and Sales
Managed IT department with 12 developers supporting 200+ computer devices
ATLAS.UA - Lead Web Developer
2001 - 2002 | Ukraine | Web Portal Development (MSN)
Led web development initiatives for major portal platform
EDUCATION
National Technical University KPI (Kyiv, Ukraine)
1992 - 1997 | Specialty: Computer Systems Design
LANGUAGES
Ukrainian (Native) | Russian (Native) | English (Professional)