Marko K.
Verified expert
Marko K.
Verified expert
Top skills
Meet Marko âš
A Back-End and AI Developer with over 4.5 years of experience building scalable, data-driven systems from initial concept to live production environments. Marko specializes in designing backend architectures powered by Python, SQL and NoSQL databases, LLM integrations and AWS infrastructure. He works confidently across full development cycles, from MVP delivery and stakeholder presentations to iterative improvements and live support.
He has led and contributed to complex AI-driven platforms including an AI website builder with integrated e-commerce and domain automation, social media video automation systems using LLMs and speech technologies, and predictive analytics solutions powered by real-time data processing. Marko combines backend engineering discipline with AI integrations, prompt engineering and third-party system orchestration to build reliable, production-ready solutions.
Marko is known for his structured thinking, strong work ethic and ownership mindset. He focuses on clean architecture, performance optimization and long-term system maintainability while adapting solutions to real-world business environments.
If you are developing AI-powered products or scalable backend platforms and need someone who can lead development, integrate advanced AI capabilities and deliver stable production systems, Marko brings the technical depth and reliability your team can count on ð
Download the CVHard skills
Python
FastAPI
Flask
SQLAlchemy
Pydantic
Asynchronous Programming
WebSockets
REST API Development
LLM Integration
Prompt Engineering
System Architecture
SaaS Development
Predictive Systems
Real-Time Data Processing
API Integrations
Stripe Integration
OpenAI API
Anthropic API
Stable Diffusion
Redis
PostgreSQL
MySQL
MS SQL
Elastic
GraphQL
Docker
CI/CD
Nginx
Celery
Kafka
Monitoring Systems
Tools
FastAPI
LangChain
OpenAI
Anthropic API
Stable Diffusion
Stripe
Docker Compose
GitHub Actions
Bitbucket CI/CD
Prometheus
Grafana
Sentry
Postman
Pytest
N8N
Nginx
Heroku
OVH
Hetzner
Soft skills
Leadership
Ownership
Structured thinking
Problem solving
Reliability
Communication
Adaptability
Decision making
Technical mentoring
Continuous improvement
AI Website Builder
Team Lead | Back-End/AI Developer
Project Description:
Developed an AI-powered website builder platform with integrated e-commerce, automated domain registration and payment processing. Led backend development, managed team workflows and implemented LLM-based features and third-party integrations.
Tools & Technologies:
Python, FastAPI, OpenAI, Stable Diffusion, Stripe, WebSockets, Anthropic API, LangChain, PostgreSQL, Redis, Auth0, Docker, Prometheus, Grafana
AI Social Media Automatization
Back-End/AI Developer
Project Description:
Built backend architecture for automated AI-driven video creation and translation system using speech-to-text and text-to-speech technologies. Implemented LLM integrations and scalable video processing workflows.
Tools & Technologies:
Python, FastAPI, SQLAlchemy, OpenAI, Anthropic API, Redis, Celery, Nginx, Docker, Prometheus
Competitive Event Analysis System
Back-End Developer
Project Description:
Developed predictive business analytics system with real-time data processing and statistical modeling. Implemented scalable backend logic and optimized performance for live data streams.
Tools & Technologies:
Python, FastAPI, WebSockets, MySQL, PostgreSQL, Redis, GraphQL, Docker, Elastic, Prometheus, Grafana
National Aviation University
Bachelorâs Degree in Systems of Technical Protection of Information
Secure Coding in Python
Provider: Coursera
Secure Coding in Python
Provider: Coursera
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