Nazar

NAZAR KRAVCHENKO
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· github.com/NazarKravchenk0 · nazar-kravchenko-384b93301/ · London UK

SUMMARY
Python / Full-Stack Developer with 2+ years of commercial experience building scalable backend systems,
high-load APIs, and AI-powered SaaS products. Strong technical background with a BSc in System Analysis
and ongoing MSc in Artificial Intelligence. Currently working on an AI telephony platform, developing
conversational AI logic, async workflows, and scalable voice architectures.
Experienced with Python, Django, FastAPI, PostgreSQL, Docker, and modern frontend frameworks. Delivered
20+ client projects for EU/US markets, including fintech systems, logistics platforms with routing optimization,
and automation solutions. Known for strong analytical thinking, ownership of features end-to-end, and ability
to work independently in distributed teams.
English — Upper-Intermediate / Advanced.

SKILLS
Object-Oriented Programming (OOP): SOLID principles, Design patterns
Algorithms and Data Structures: Algorithm complexity, Arrays, Linked Lists, Stacks, Queues, Hash
Maps, Hash Sets
Python: Python 3.10+, Advanced Python (Decorators, Iterators, Generators), Asynchronous Python
(asyncio, Concurrency, Parallelism)
Web Scraping & Data Analysis: Web Scraping (BeautifulSoup, Scrapy, Selenium), Data Analysis
(Pandas, Matplotlib, Tableau)
Machine Learning: Neural Networks, Classification, Machine Learning models
Web Development Frameworks: Django, Django ORM, Django Rest Framework, FastAPI, Flask
Databases: PostgreSQL, SQLite, Redis
Web Technologies: HTML, CSS,, JavaScript (Basics)
Version Control & Collaboration: Git/Github
Development Tools: Debugging, Docker
English: Upper-Intermediate

PROFESSIONAL EXPERIENCE

Python Developer - Confidential FinTech Client Nov 2022 – Jan 2025
Technologies: Python, Django, Django REST Framework, PostgreSQL, Docker, Kubernetes

Technologies: Python, Django, Django REST Framework, PostgreSQL, Docker, Kubernetes
Developed core backend services for fintech systems
Built REST APIs and business logic using Django & DRF
Integrated third-party APIs and payment-related services
Worked in a microservices environment using Docker and Kubernetes
Collaborated with cross-functional teams in an Agile setup
Freelance Full-Stack Developer Sep 2021 - Dec 2025
Technologies: Python, Django, FastAPI, React, Next.js, PostgreSQL

Delivered 20+ commercial projects for EU and US clients
Built SaaS backends, APIs, automation systems, and dashboards
Implemented payment integrations, SEO-friendly frontends, and responsive UI
Managed projects end-to-end: requirements, development, deployment

Middle Full-Stack Developer (Part-time) — Sent Group Dec 2024 – Present
Technologies: Python, FastAPI, PostgreSQL, Vue.js, OpenStreetMap

Developed logistics platform with route optimization and delivery management
Implemented backend APIs for orders, routes, vehicles, and statuses
Integrated OpenStreetMap for routing and distance calculations
Worked on frontend features using Vue.js
Participated in business logic design and performance optimization

AI Telephony Developer (Part-time) — Ozzli Sep 2025 – Feb 2026
Technologies: Python, FastAPI, AsyncIO, PostgreSQL, Twilio, Webhooks, Docker

Developed AI-powered business telephony system for automated call handling and conversational
flows
Implemented async webhook-based architecture for inbound/outbound calls
Integrated speech-to-text, text-to-speech, and GPT-based intent logic
Designed dialog state management using sessions stored in the database
Built scalable voice pipelines with logging, rate limits, and error handling

EDUCATION
Kyiv National Economic University (KNEU)
Bachelor’s Degree in System Analysis
2021 – 2025

Odessa Polytechnic National University (ONPU)
Master’s Degree in Biomedical Engineering (in progress)
2025 – 2026

London South Bank University (LSBU)
Master’s Degree in Artificial Intelligence
2026 – 2027

ADDITIONAL EDUCATION
Python course at Mate academy (OOP, Python, Django)
Python course at Codecademy
SQL course at W3Schools
CS50: Introduction to Computer Science (Online), Harvard University
Artificial Intelligence Fundamentals, Cisco Networking Academy
Cybersecurity Essentials, Cisco Networking Academy
Introduction to Artificial Intelligence, IBM SkillsBuild
Foundations of Cybersecurity, Google Career Certificates
Books: Clean Code by Robert Cecil Martin