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Andrey Sydelov | Data Engineering, Cloud Architecture, ML Systems
Andrey Sydelov | Data Engineering, Cloud Architecture, ML Systems
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Data Engineering
AI Engineering
Andrey Sydelov | Data Engineering, Cloud Architecture, ML Systems
Andrey Sydelov | Data Engineering, Cloud Architecture, ML Systems
Home
Data Engineering
AI Engineering
Home
Data Engineering
AI Engineering
The Blueprint of a Data Team: Roles, Responsibilities, and Specializations
Andrey Sydelov 4/27/26 Andrey Sydelov 4/27/26

The Blueprint of a Data Team: Roles, Responsibilities, and Specializations

A data team’s success hinges on clear roles and collaboration. Explores how roles evolve, adapt to company needs, and align through a RACI matrix to deliver reliable data with minimal friction.

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Slowly Changing Dimensions: Strategies for Maintaining History and Integrity in Analytical Systems
Andrey Sydelov 4/17/26 Andrey Sydelov 4/17/26

Slowly Changing Dimensions: Strategies for Maintaining History and Integrity in Analytical Systems

Slowly Changing Dimensions (SCD) are essential for maintaining historical accuracy in data systems where context evolves over time. This in-depth guide explores all SCD types, their engineering trade-offs, and practical strategies for designing dimensional data that preserves meaning — not just metrics.

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Cross-Platform Multi-Channel Attribution in Marketing: Balancing Costs and Results Across Devices
Andrey Sydelov 4/14/26 Andrey Sydelov 4/14/26

Cross-Platform Multi-Channel Attribution in Marketing: Balancing Costs and Results Across Devices

Attribution across channels and devices isn’t just about tracking—it’s about understanding synergy across traffic sources like push notifications, social media, webinars, and affiliate programs. Combining data-driven attribution with MMM and incrementality testing enables smarter budget decisions under modern privacy constraints.

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The current standard for scalable, real-time, and AI-ready data platforms
that are reliable and adaptive.

Modern Data Architectures

Data Engineering · AI Solutions · Cloud Platforms‍

© 2026 Andrey Sydelov. All rights reserved

Cyprus | Ukraine | Remote Worldwide

andrey@sydelov.com

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