Cole Yonkee
Senior Software Engineer
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About
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.
Experience
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.
Education
Bachelor's Degree in Computer Science – University of Florida (2013-09 – 2017-12)
