Cole Yonkee

Senior Software Engineer with 9+ years of experience building scalable enterprise applications using .NET backend technologies and modern frontend frameworks such as React, Angular, and TypeScript. Strong expertise in designing and delivering end-to-end solutions including RESTful APIs, microservices, and cloud-native applications on Microsoft Azure. Experienced across startups, consulting firms, and Fortune 500 environments, with a strong focus on distributed systems, performance optimization, and clean architecture.

Recent work includes AI-integrated applications leveraging Azure OpenAI, RAG pipelines, and vector search technologies combined with modern full-stack architectures.

Senior Software Engineer at Nexora Systems (2024-09 – Present)

• Developed full-stack applications using.NET 8 Minimal APIs and React/Next.js for enterprise SaaS platforms.
• Implemented AI-powered features using Azure OpenAI and Retrieval-Augmented Generation (RAG) architecture.
• Designed vector search and semantic systems using Azure AI Search and embeddings.
• Built cloud-native infrastructure using Docker, Kubernetes, and Terraform.
• Established CI/CD pipelines using GitHub Actions and automated deployment workflows.

Senior Software Engineer at Microsoft (2023-01 – 2024-08)

• Developed enterprise-scale full-stack applications using.NET 6/7 and React/TypeScript.
• Designed and maintained microservices architecture for distributed cloud platforms on Azure.
• Built APIs supporting large-scale internal enterprise systems and cloud services.
• Improved system observability using OpenTelemetry and distributed tracing tools.
• Collaborated on AI-enabled features integrated with Azure OpenAI services.

Senior Software Engineer at Capital One (2019-12 – 2022-12)

• Designed and developed microservices using ASP.NET Core for financial and banking platforms.
• Built React-based dashboards and internal tools for analytics and operations teams.
• Implemented event-driven systems using Kafka and Azure Service Bus.
• Deployed containerized applications using Azure Kubernetes Service (AKS).
• Improved system performance using caching strategies with Redis and optimized APIs.

Full Stack.NET Engineer at BlueRiver Technologies (2018-12 – 2019-11)

• Built RESTful APIs using ASP.NET Core for SaaS-based enterprise applications.
• Developed frontend components using Angular and React with TypeScript.
• Implemented authentication systems using JWT and role-based access control.
• Designed and optimized SQL Server database structures and queries.
• Worked on CI/CD pipelines using Azure DevOps for automated deployments.

Full Stack.NET Developer at InfoCrest Solutions (2017-12 – 2018-11)

• Developed web applications using ASP.NET MVC, C#, Razor Views, and JavaScript/jQuery.
• Built UI components with HTML5, CSS3, and Bootstrap for enterprise systems.
• Integrated frontend modules with backend APIs using AJAX and REST services.
• Performed backend enhancements using C# and SQL Server stored procedures.
• Supported debugging and production issue resolution in enterprise applications.

Bachelor's Degree in Computer Science – University of Florida (2013-09 – 2017-12)