Mykola M.

I build fintech, trading, and SaaS products that scale—from MVP to millions of users. CTO, founder, and hands-on engineer with 15+ years of experience turning complex ideas into production-ready businesses. I’ve built startups from scratch, led engineering teams, designed scalable cloud infrastructure, and delivered products across fintech, AI, trading, and enterprise SaaS. Whether you need technical leadership, system architecture, or someone who can write production code, I can help. What I Deliver • CTO leadership for startups and growing companies • Fintech platforms, payment systems, and financial integrations • Trading systems, algorithmic trading, and backtesting infrastructure • SaaS architecture and product development • AI/ML features where they create real business value • Scalable backend systems and cloud infrastructure • API design, integrations, automation, and event-driven systems Selected Projects • Founded and built Entropy Mastery, an algorithmic trading platform with automated strategies, backtesting, and portfolio management. • Full-time CTO and founding engineer of Keyword Insights, helping build the platform from the ground up. • Built a retail product matching platform processing 15M+ products using machine learning. • Designed a real estate duplicate detection platform using FastAPI and ML. • Developed production forecasting systems for SaaS products using Prophet and custom ML models. • Architected scalable cloud infrastructure and CI/CD pipelines for high-traffic applications. Tech Stack Backend * Python (FastAPI, Flask, asyncio) * REST APIs, WebSockets * Event-driven architecture * Microservices Cloud & DevOps * Google Cloud Platform * Docker * Kubernetes * GitHub Actions * NGINX * CI/CD Databases * PostgreSQL * BigQuery * Firestore * MongoDB * Redis AI & Machine Learning * OpenAI * Anthropic Claude * LangGraph * LangChain * XGBoost * Prophet * FAISS * pgvector Trading * DEX/CEX integrations * Strategy development * Backtesting * Market data pipelines Developer Tools * Git * VS Code * PyCharm * pytest * Ruff * Black