Danail Hadjiatanasov is a Senior Director of Engineering & Operations based in Sofia with over a decade of hands-on experience building front-end systems and leading engineering teams, currently scaling developer productivity and delivery at MUI. He rose through technical and people leadership roles at MUI—from senior engineer to director—while maintaining active open-source contributions to the widely used Material UI React library, fixing TypeScript definitions and improving component behavior. As a founder and indie hacker, he runs The Novelty Dev and invests in early-stage product ventures, blending product intuition with engineering rigor. With an academic background in applied mathematics, he brings analytical problem-solving to UI architecture and developer tooling, and an unusual mix of day-trading experience early in his career that shaped his data-driven decision style.
11 years of coding experience
13 years of employment as a software developer
Applied Mathematics, Applied Mathematics at Sofia University St. Kliment Ohridski
High School Diploma Electrical and Electronics Engineering, High School Diploma Electrical and Electronics Engineering at Technical School of Burgas
Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.
Role in this project:
Front-end Developer
Contributions:74 reviews, 26 commits, 65 PRs in 2 years 3 months
Contributions summary:Danail primarily contributed to the Material UI component library, focusing on enhancements and bug fixes within the React ecosystem. Their work included fixing TypeScript definitions, ensuring correct behavior of UI components like Select and Autocomplete. Further contributions involved migrating styles to Emotion, and adding a new data table example.
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Danail Hadjiatanasov - Senior Director Of Engineering & Operations