Andrii K.
Verified expert
Andrii K.
Verified expert
Top skills
A Backend Developer with 3 years of experience building scalable, high-performance backend systems using Python, Django, and FastAPI. Andrii focuses on clean architecture, reliable APIs, and cloud-ready infrastructure, helping AI-driven platforms and marketplaces grow efficiently and securely.
He has hands-on experience working on complex products such as designer marketplaces and AI-powered website builders, where he optimized system architecture, refactored legacy codebases, and implemented AI-related features. Andrii is confident working with relational and NoSQL databases, asynchronous processing, background jobs, and third-party integrations, delivering stable and maintainable backend solutions.
Alongside core backend development, Andrii actively works with automation workflows using n8n, building event-driven pipelines, AI-powered automations, and integrations between external services to reduce manual operations and improve system efficiency.
With a strong engineering mindset and experience in CI/CD, containerization, and automation-driven workflows, Andrii is a dependable backend engineer who brings clarity, performance, and scalability to production systems.
Download the CVHard skills
Python
SQL
API Development
Software Architecture Design
Design Patterns
UML
Reverse Engineering
Technical Documentation
WebSockets
Tools
Python
FastAPI
Django
Django REST Framework
PostgreSQL
Redis
MongoDB
Celery
Docker
Docker Compose
Git
GitHub
GitLab
SQLAlchemy
Alembic
Pydantic
AWS
n8n
Soft skills
Clear communication
Team collaboration
Responsibility
Analytical thinking
Adaptability
Code quality focus
Marketplace for designers
July 2024 - Present
Backend Developer
Project Description:
The web platform for designers, proposing logo design competitions, works directly with clients and designers to create the best logo designs. Many designers can participate in a competition, so the customer will receive 200+ designs for their brand. The platform includes a design marketplace, designer pages, and designer portfolios. In addition to logo design competitions, the platform offers the opportunity to hire a designer for personalized projects, such as creating other brand materials beyond logos. Clients can collaborate with designers to develop comprehensive brand kits, including style guides and other resources, to ensure brand consistency and support future design needs.
Tools & Technologies:
Python, Django, DRF, PostgreSQL, LangChain, Docker, Celery, Contentful
AI-based website page builder
December 2022 - June 2024
Backend Engineer
Project Description:
Desktop application for generating web pages using artificial intelligence technologies. Automatically creates responsive, visually appealing pages based on user-defined settings and preferences. Designed to simplify website creation without the need for coding. Cutting-edge SEO platform developed to enhance online visibility for businesses. Features real-time analytics, advanced optimization tools, and a user-friendly interface. Provides actionable insights to improve search engine performance.
Tools & Technologies:
Python, FastAPI, PostgreSQL, Celery, Redis, Auth0, OVH, AWS, Cloudflare, Majestic, Docker
Lviv Polytechnic National University
Bachelorās Degree in Computer Science
AI Automation: Build LLM Apps & AI-Agents with n8n & APIs
Provider: Udemy
Issued: October 2025
Automate Everything: n8n, LLMs, OpenAI API, Claude, Ollama, MCP & RAG! Business & Private Agents; More than just ChatGPT
AI Automation: Build LLM Apps & AI-Agents with n8n & APIs
Provider: Udemy
Issued: October 2025
Automate Everything: n8n, LLMs, OpenAI API, Claude, Ollama, MCP & RAG! Business & Private Agents; More than just ChatGPT
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