Oluwakayode Osagbemi
Senior Software Developer @FacilityOS
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WORK HISTORY
Senior Software Developer @FacilityOS
Toronto, ON, CA
Performed application modernization of an old monolith to microservicesTechnology Stack and Skills: C#, Azure Service Bus, React, TypeScript• Built internal dashboards using front-end technologiesTechnology Stack and Skills: C#.NET Core, Blazor, TypeScript• Implemented unit tests, achieving over 90% code coverage to ensure software quality. Technology Stack and Skills: NUnit, Mockito, C#.NET Core, Sql Server• Implemented a reactive system using Azure Service bus for propagating events in near-real time across the suite of products. This satisfied customer requests and boosted sales efforts.Technology Stack and Skills.NET Core, C#, Azure cloud, Azure Service Cloud, Linux operating system, Test Containers• Third party integration with Salesforce API and database objects to enable 10x faster customer on-boarding.Technology Stack and Skills: restful API design, SQL Server, C#, Design Patterns• Updated the user interface to provide a more streamlined view of customer data.Technology Stack and Skills: Blazor, CSS, JavaScript• Performed migration from.NET 6 to.NET 8 on large code bases and ensured system functionality and continued stability.Technology Stack and Skills: NUnit, migration tools, Visual Studio, C#.NET Core• Implemented the required changes on the data model to accommodate more flexible pricing of the product and make way for increased business revenue in the future.Technology Stack and Skills: Azure.NET Core, SQL Server
EDUCATION
University of Ibadan
Bachelor of Science (BS), Computer Science
University of Ibadan
Master of Science (MS), Image Recognition, Computer Science
SKILLS
ABOUT OLUWAKAYODE OSAGBEMI
I am a senior backend software engineer with strong cloud architecture experience, specializing in designing, modernizing, and scaling distributed systems across financial services, fintech, and SaaS products.I have led and contributed to application modernization initiatives, designing secure, stateless REST APIs using ASP.NET Core and JWT-based authentication, resulting in a 40% reduction in authentication-related security incidents. My work emphasizes clean architecture, security-by-design, and performance trade-offs in production environments.In an edtech SaaS platform, I owned multiple backend modules and designed AWS-based data and infrastructure services using AWS RDS and SQL, enabling the platform to reliably process over 1 million messages per day. I focused on scalability, fault tolerance, and cost-aware design, ensuring systems remained resilient under sustained load.As a technical lead, I guided engineers in building React frontends and secure ASP.NET Core APIs deployed on AWS virtual machines, supporting large-scale exam administration across multiple states in Africa. I routinely made architectural decisions around service boundaries, data modeling, deployment strategies, and operational reliability, balancing business needs with long-term maintainability.Technology: C#.NET Core, Python Flask, MySQL, PostgreSQL
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