Sergio Morales
@sergiomorales
Seasoned Fullstack Developer specializing in .NET C# and modern JavaScript for scalable web applications.
MexicoWhat I'm looking for
I am a Fullstack Developer with 10+ years building and maintaining web applications end-to-end, with deep expertise in .NET C# and modern JavaScript frameworks such as React, Vue and Angular.
Over the past five years I have focused on Node.js and React, delivering production-ready REST APIs, SPAs, and component-driven architectures for high-volume e-commerce and transactional systems.
I have 4+ years working with AWS services (EC2, S3, RDS, CloudWatch, IAM, Load Balancers) and 5+ years supporting production environments, deployments, monitoring and incident response.
I thrive in startup and lean-team environments where I own design, development, deployment and support. I leverage CI/CD, Docker, monitoring tools and AI coding assistants to improve quality and accelerate delivery.
Experience
Work history, roles, and key accomplishments
Staff Software Engineer
Nagarro - Cox Automotive
Sep 2021 - Present (4 years 6 months)
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.
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.
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.
Education
Degrees, certifications, and relevant coursework
FIME - Universidad Autónoma de Nuevo León (UANL)
Bachelor of Science, Systems Administrator Engineering
2005 - 2010
Completed a Bachelor of Science in Systems Administrator Engineering with emphasis on programming and databases.
Tech stack
Software and tools used professionally
Availability
Location
MexicoAuthorized to work in
Job categories
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