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I’m a Senior .NET Engineer with strong experience building scalable, secure, and high-performance applications using ASP.NET Core, C#, Web API, EF Core, and SQL Server. Skilled in designing clean architectures, developing microservices, and delivering cloud-native solutions on Azure and AWS. I’m comfortable across backend, front-end, and DevOps pipelines, and known for writing clean code, improving system performance, and collaborating closely with cross-functional teams. I enjoy solving complex engineering problems and delivering reliable software that holds up in real-world production environments.…I’m a Senior .NET Engineer with strong experience building scalable, secure, and high-performance applications using ASP.NET Core, C#, Web API, EF Core, and SQL Server. Skilled in designing clean architectures, developing microservices, and delivering cloud-native solutions on Azure and AWS. I’m comfortable across backend, front-end, and DevOps pipelines, and known for writing clean code, improving system performance, and collaborating closely with cross-functional teams. I enjoy solving complex engineering problems and delivering reliable software that holds up in real-world production environments.

Robert Cruz

Back-End Developer, Full Stack Developer, Web Developer, +3

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I’m a Senior .NET Engineer with strong experience building scalable, secure, and high-performance applications using ASP.NET Core, C#, Web API, EF Core, and SQL Server. Skilled in designing clean architectures, developing microservices, and delivering cloud-native solutions on Azure and AWS. I’m comfortable across backend, front-end, and DevOps pipelines, and known for writing clean code, improving system performance, and collaborating closely with cross-functional teams. I enjoy solving complex engineering problems and delivering reliable software that holds up in real-world production environments.…I’m a Senior .NET Engineer with strong experience building scalable, secure, and high-performance applications using ASP.NET Core, C#, Web API, EF Core, and SQL Server. Skilled in designing clean architectures, developing microservices, and delivering cloud-native solutions on Azure and AWS. I’m comfortable across backend, front-end, and DevOps pipelines, and known for writing clean code, improving system performance, and collaborating closely with cross-functional teams. I enjoy solving complex engineering problems and delivering reliable software that holds up in real-world production environments.

Available to hire

I’m a Senior .NET Engineer with strong experience building scalable, secure, and high-performance applications using ASP.NET Core, C#, Web API, EF Core, and SQL Server. Skilled in designing clean architectures, developing microservices, and delivering cloud-native solutions on Azure and AWS.

I’m comfortable across backend, front-end, and DevOps pipelines, and known for writing clean code, improving system performance, and collaborating closely with cross-functional teams. I enjoy solving complex engineering problems and delivering reliable software that holds up in real-world production environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Senior .NET Software Engineer at Florida Blue

September 1, 2023 - Present

Designed and developed ASP.NET Core Web APIs using Clean Architecture, EF Core, and LINQ; led modernization of the Claims Automation System with .NET Core, AWS Lambda, and TensorFlow; migrated the Florida Blue Web Portal from AngularJS to Angular; built a real-time healthcare data pipeline using Kafka, .NET Core, and AWS Lambda; developed predictive analytics models using Python and SageMaker; optimized Azure SQL and T-SQL queries; integrated SharePoint for workflow automation; implemented secure REST APIs with OAuth2, JWT, MFA, and IAM roles; enhanced observability with Serilog and Azure Monitor; established CI/CD pipelines using GitHub Actions and Azure DevOps.

Backend Engineer (.NET) at Mercury Development

September 1, 2020 - August 1, 2023

Built distributed backend systems using ASP.NET Core Web API, EF Core, and SQL Server for real-time enterprise workflows; architected and deployed .NET Core microservices on Docker and Kubernetes, improving scalability and reducing deployment time by 30%; built serverless APIs using Go and Azure Functions, reducing infrastructure costs; integrated ML models with Python and AWS SageMaker for logistics optimization, lowering shipment costs by 20%; migrated legacy applications to Azure and Oracle DB2, reducing downtime by 25%; implemented CI/CD pipelines using Azure DevOps for automated testing, building, and deployment of .NET services.

ASP.NET Core Developer at BairesDev

July 1, 2017 - August 1, 2020

Developed cross-platform backend services using .NET Core; built telehealth platform for Gennev with AI-driven symptom tracking; migrated healthcare applications to Azure, improving performance by 20%; built real-time patient monitoring systems using Python, .NET Core, and AWS; migrated legacy applications from AngularJS → Angular; developed serverless APIs using Go and Azure Functions; implemented secure authentication flows using OAuth2 and JWT.

Junior Full-Stack .NET Developer at Simform

June 1, 2015 - June 1, 2017

Developed internal ASP.NET Core APIs and background workers for automotive CRM and CDXP platforms; built scalable data access layers with EF Core and SQL Server; integrated Python-based ML models with AWS SageMaker for supply chain optimization; created AI APIs with Go and Azure Functions; automated QA workflows with Selenium and Python, cutting manual testing by 40%.