Designed and developed backend services using C# and ASP.NET Core on AWS (EKS with Fargate and Lambda) for scalable logistics and payment platforms; implemented secure, tokenized payment workflows with OAuth2.0/OIDC and JWT; built billing/dunning microservices, RESTful APIs, and event-driven processing with Kinesis; worked with Aurora, DynamoDB, and ElastiCache; supported ETL with AWS Glue; containerized via Docker and deployed to EKS; contributed to IaC with Terraform and GitHub Actions; monitored reliability with CloudWatch/X-Ray/OpenTelemetry; collaborated on multi-tenant architectures and internal tooling enhancements.

Senior Software Engineer at USAA

May 1, 2021 - June 1, 2023

Designed and enhanced secure APIs using OAuth2.0/OIDC and JWT; Azure App Services; implemented cloud-native, event-driven architectures with Azure Service Bus and Event Hub; developed serverless components with Azure Functions and API Management; supported migration to a microservices-based architecture; worked with Azure SQL, Cosmos DB, Redis; supported ADF/SSIS data integrations; built and maintained CI/CD pipelines with Terraform and Azure DevOps; monitored with Azure Monitor, Application Insights.

Software Engineer II at USAA

March 1, 2019 - May 1, 2021

Developed and maintained backend services using C#, .NET Framework/Core, and SQL Server for financial platforms; implemented JWT-based authentication and RBAC; contributed to event-driven workflows with RabbitMQ; used CQRS patterns to separate read/write operations; optimized SQL queries and EF usage; participated in on-call rotations and mentoring.

Software Engineer at Accenture

August 1, 2016 - March 1, 2019

Developed backend applications using C#, ASP.NET MVC, Web API, WCF, and SQL Server; built SOAP and REST integrations; contributed frontend components with HTML/CSS/JavaScript; customized Umbraco CMS and Dynamics 365; wrote and optimized SQL queries and stored procedures for reporting.