Roman Malieiev is a Lead Full-stack Engineer with over a decade of hands-on experience building scalable web and desktop applications, currently driving crypto trading bot development at Reactiv B.V. He combines deep front-end expertise in React, TypeScript and modern state management with strong back-end skills in Node.js, Express, WebSockets and cloud deployments. Roman has led and coached teams across fintech, banking and marketplace products, shipping production-grade systems with robust testing, CI/CD and observability. He pairs practical ML experimentation (Brain.js, Naive Bayes) and advanced technical analysis (MACD, RSI, Ichimoku) to create data-driven trading solutions. Beyond code, he has a history of architectural leadership, developer mentoring and operational know-how—covering everything from SEO and performance optimization to Docker, Nginx and DigitalOcean infrastructure. Based in Utrecht with a systems-software master’s background, he brings a rare blend of research-minded problem solving and product-focused delivery.
11 years of coding experience
12 years of employment as a software developer
Master's degree System Software, Master's degree System Software at Dnipro University of Technology
Junior Specialist Banking, Junior Specialist Banking at Technical College named after Paton, Dnipropetrovsk
Contributions:2 pushes, 1 branch in 3 years 5 months
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Roman Malieiev - Lead Full-stack Engineer at Reactiv B.V.