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Oleg RumiancevOR
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Oleg Rumiancev

@olegrumiancev

Senior enterprise engineer at Interpublic /Omnicom building auditable security platforms and Azure integrations.

Canada
Message

At Interpublic /Omnicom, I’m the technical owner of an enterprise role-and-policy-based security platform that provides scoped, auditable authorization across internal systems. I build Azure Functions and Logic Apps for enterprise automation and integration.

At IPGHealth, I built and owned event-driven middleware for document workflows, including provisioning, conditional access controls, auditing, archiving, and retention. I integrated Egnyte, SharePoint Online, and nSAP through hybrid workflows, consuming nSAP APIs and working with enterprise data structures.

At IPGHealth, I improved business-critical service throughput by approximately 250% through concurrent processing, caching, and more efficient application logic. I also worked across .NET Core, REST APIs, Redis, and PowerShell in distributed applications.

At McCannHealth, I built a secure .NET Core, Blazor, and WebAPI document-management platform and led legacy-system migration and consolidation. I implemented RabbitMQ event messaging between business applications, reducing downtime by 30%, and architected a Microsoft 365/SharePoint on-premises hybrid intranet.

Experience

Work history, roles, and key accomplishments

IO
Current

Senior Enterprise Engineer

Interpublic / Omnicom

Jan 2025 - Present (1 year 9 months)

Technical owner of an enterprise role-and-policy-based security platform providing scoped, auditable authorization across internal systems. Built Azure Functions and Logic Apps for enterprise automation and integration, and advised engineering teams on modernization and integration architecture.

IH
Current

Senior Apps/Office365 Developer

IPG Health

Jul 2022 - Present (4 years 3 months)

Built and owned event-driven middleware for document workflows, covering provisioning, conditional access controls, auditing, archiving and retention. Integrated Egnyte, SharePoint Online and nSAP through hybrid workflows, and improved throughput of business-critical services by approximately 250%.

MH

Senior Apps/SharePoint Developer

McCann Health

May 2015 - Jul 2022 (7 years 2 months)

Built a secure .NET Core, Blazor and WebAPI document-management platform and led migration and consolidation of legacy systems. Implemented RabbitMQ event messaging between line-of-business applications, reducing system downtime by 30%.

Education

Degrees, certifications, and relevant coursework

Vilnius University logoVU

Vilnius University

Bachelor, Software Engineering Systems

Bachelor's degree in Software Engineering Systems from Vilnius University.

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