Open to opportunities

Sergio Morales

@sergiomorales

Message

Senior Full-Stack Developer | React.js Next.js TypeScript .NET/C# | 15+ years | Remote-first

Mexico

Message

What I'm looking for

I am seeking a role where I can own end-to-end web application development in a collaborative, fast-moving team, with opportunities to work on scalable systems, cloud architectures, and continuous delivery.

Senior Software Developer with 15+ years in the IT industry, specializing in React.js and the modern JavaScript ecosystem paired with a strong C#/.NET backend foundation. Proven track record building enterprise-scale applications with React.js, Next.js (SSR/SSG), and TypeScript, backed by C#.NET Core services, with additional hands-on experience in Vue 2 to Vue 3 migrations. Deep backend expertise (AWS, SQL Server, microservices) combined with modern React frontend architecture. English C1, Spanish native, remote-first.

Experience

Work history, roles, and key accomplishments

Current

Staff Software Engineer

Current

Nagarro - Cox Automotive

Sep 2021 - Present (5 years 1 month)

Developed and maintained full‑stack enterprise applications using .NET Core and Node.js with React frontends; led migrations to .NET 6/8 and implemented SNS/SQS asynchronous patterns to improve scalability and reliability.

C#.NET 8+Node React Lambda DynamoDB S3 SQL Server Microservices CI CD Amazon SQS

Senior Software Engineer

SEMEX

Aug 2018 - Sep 2021 (3 years 1 month)

Built responsive web applications with Vue, React and Angular and .NET Core backends; integrated cameras and IoT for Intelligent Transportation Systems and managed secure AWS S3 storage for media and logs.

C#.NET Core Vue.Js React AngularJS API Integration Windows Services SQL Server S3

Senior Software Engineer

GDM3 Financial

Jul 2012 - Jul 2018 (6 years)

Developed C# .NET financial systems including credit, commissions and accounting modules; led Azure database migration and built a mobile field‑collection app to optimize agent data capture.

C#.NET Azure Android Studio AngularJS SQL Server Database Migration Financial Systems