Alex Terentiev is a Principal Software Architect and long-time SharePoint/Office 365 specialist with over a decade of hands-on experience building custom SPFx solutions used by hundreds of companies worldwide. A strong front-end developer who rides the modern web development wave, he contributes actively to the Microsoft 365 PnP community and has implemented numerous reusable SPFx property pane controls and client-side extensions. At Microsoft he progressed from Senior Engineer to Principal Architect, blending product-scale engineering with deep SharePoint platform expertise. His recognition includes multiple invite-only SharePoint Dev Kitchen awards and a European SharePoint Community Award finalist nod, reflecting peer-recognized impact. Based in Cumming, Georgia, Alex combines academic rigor (Master’s in CS and applied math) with practical UI/UX improvements that make complex SharePoint customization approachable. Not obvious from titles alone: he repeatedly surfaces UX-first enhancements in open-source SPFx repos that help other developers ship polished admin and configuration experiences.
10 years of coding experience
17 years of employment as a software developer
Master's degree Computer Science applied mathematics, Master's degree Computer Science applied mathematics at Belarusian State University of Informatics and Radioelectronics
Reusable SPFx property pane controls - Open source initiative
Role in this project:
Front-end Developer
Contributions:17 releases, 2 reviews, 362 commits in 5 years 1 month
Contributions summary:Alex implemented new property pane controls and callout features within the SPFx framework. The commits demonstrate the addition of various controls, including dropdowns with headers, text and toggle info headers, and features for slider, choice group, checkbox, button, label, and link components with callouts. The user's contributions centered on enhancing the functionality and user experience of property pane configuration within the SPFx environment.
Code samples and developer content targeted towards SharePoint Framework client-side extensions. https://aka.ms/spfx-extensions
Role in this project:
Front-end Developer
Contributions:19 commits, 17 PRs, 11 comments in 3 years 5 months
Contributions summary:Alex primarily contributes to the development of SharePoint Framework (SPFx) client-side extensions. Their work includes creating and modifying application customizers, command bar extensions, and field customizers. The user demonstrates a strong understanding of React, Office UI Fabric, and PnP (Patterns and Practices) libraries for SharePoint development, as evidenced by the code changes. They contribute to improving UI elements such as command bars and also updated several samples with latest RC0 releases.
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Alex Terentiev - Principal Software Architect at Microsoft