Rajendar Reddy Sama

Designing Globally Scalable Distributed Review and Certification Systems for Digital Marketplaces

Abstract:

Digital marketplaces depend on reliable certification systems that can process large submission volumes, enforce policy consistently, and maintain auditable records of decisions across global teams. Without a unified architecture, enterprises accumulate duplicated logic, inconsistent audit records, and slow onboarding, undermining marketplace trust and developer experience.
This presentation introduces a modular, event-driven architecture for globally scalable distributed review and certification platforms. The proposed design separates configurable policy from core workflow infrastructure, enabling a single platform to support multiple stores, review categories, and geographic teams through configuration alone. Key components include a dynamic queue management engine, automated validation services, a decision-support reviewer workbench, and an immutable audit layer, all communicating through event-driven state transitions.
A central focus of the session is intelligent SLA prioritization. Rather than processing submissions in arrival order, the queue engine continuously reprioritizes work based on submission age, remaining SLA window, risk score, and reviewer availability. Paired with automated allocation and alerting, this approach has demonstrated meaningful reductions in review turnaround time, as documented in real-world certification platform implementations.
Attendees, including enterprise architects, platform engineers, and technology leaders, will gain practical frameworks for designing certification systems that scale across products, regions, and time zones while preserving consistency, transparency, and governance at every layer of the review process.
 
Profile:

Rajendar Reddy Sama is a technically sophisticated and results-driven software professional with over 22 years of experience in software architecture, cloud engineering, and technical delivery management. He brings deep expertise in Microsoft technologies including .NET, C#, Python, Azure Services, ADF, SQL Server, Power BI, and AI Agents, serving enterprise clients across India, the USA, and Canada.
Currently serving as Architect and Technical Delivery Manager at Quadrant Technologies, Rajendar works directly with Microsoft in Redmond, USA, leading cross-functional teams to architect and deliver complex cloud migration, application development, and data engineering solutions. His recent AI-driven enhancements to the DRI Copilot system delivered measurable improvements in operational efficiency, reflecting his commitment to intelligent automation and innovation.
Prior to this, Rajendar spent nearly a decade at Wipro Limited as Architect and Technical Project Manager, again serving Microsoft. He led the end-to-end design and delivery of DARSy, Microsoft's centralized certification and review platform used across Windows, Xbox, Azure Marketplace, Office, and Edge stores, managing a team of 120+ software professionals, data scientists, and architects across multiple time zones. He also drove significant reductions in SLA time through automated review and allocation systems for the Windows App CatLog program.
Earlier in his career, Rajendar held lead engineering roles at Wipro and EIQ Networks, building expertise in kernel debugging, embedded device management, ETL data pipelines, and enterprise security systems.
A recipient of the Maestro Execution Excellence Award, Rajendar is known for his agile leadership, stakeholder communication, and ability to deliver high-impact solutions at scale.