Ramsés Ramírez Vallejo.

Software Engineer.

From backend architecture to intuitive front-end interfaces. Solving complex problems with precision and creativity.

Contact Me LinkedIn

UX, Full Stack and Cloud

Featured Projects

Focused on the experience, driven by the engineering.

Dipinto.mx

github [#142] Created with Sketch. Private

Full-stack E-commerce Web Application Built with a scalable and maintainable architecture using Golang, PostgreSQL, and Next.js. Features include JWT authentication, MercadoPago payment integration, and a responsive UI.

Dipinto.mx

POS System (Apymsa)

github [#142] Created with Sketch. Private

Full-stack Point of Sale (POS) System Developed a scalable POS system with Next.js frontend and .NET microservices backend. Features include product, category, and sales management with a responsive UI.

POS System (Apymsa)

YEngineering Landing Page

github [#142] Created with Sketch. Private

Company Landing Page Developed a fully responsive landing page using Next.js, Tailwind CSS, and Ant Design. The project achieved optimized performance with SSR and static generation.

YEngineering Landing Page

Professional Overview

About Me

Experienced full-stack developer with expertise in Golang, C#/.NET, and TypeScript. Specializing in scalable microservices architecture, efficient frontend development, and seamless API integrations.

Interpersonal and Leadership Skills

Strong collaboration, leadership, and time management skills, developed through experience in cross-functional teams. Effective communicator with proficiency in English (B2) and French (B1). Passionate about continuous learning and technological innovation.

Technical Expertise

Skilled in designing and implementing high-performance applications, optimizing system architecture, and enhancing user experience through modern frameworks and tools.

  • Golang
  • TypeScript
  • .NET
  • React
  • Next.JS
  • Docker
  • PostgreSQL
  • ci_cd_line CI/CD

Professional Development

Certifications

Industry-recognized credentials that validate my expertise.

Microsoft Azure Fundamentals

Microsoft Azure Fundamentals

Microsoft

Issued Aug 2025 · No Expiration

Credential ID: 3CA2090025D17A70

AzureCloud ComputingCloud Services
Microsoft Azure AI Fundamentals

Microsoft Azure AI Fundamentals

Microsoft

Issued Feb 2024 · No Expiration

Credential ID: A530664C3E6A878

AzureArtificial IntelligenceMachine Learning
EY Microsoft - Azure - Bronze

EY Microsoft - Azure - Bronze

EY

Issued Oct 2025 · No Expiration

Credential ID: c87707cf-eeb2-4dc2-b433-70f60a0abcd8

AzureCloud ComputingCloud Services
GitHub Copilot

GitHub Copilot

Microsoft

Issued Feb 2026

Credential ID: 321533F668A28D0E

GitHub CopilotAIGenerative AI

Work History

Professional Experience

Building production-grade systems — from microservices and APIs to responsive UIs and Azure cloud.

1

Senior Software Engineer

EY GDS | Jun 2025 - Present

  • Developed and maintained enterprise-grade applications with a focus on frontend and cloud solutions.

  • Implemented React and TypeScript for scalable UI, ensuring performance and accessibility.

  • Managed deployments in Microsoft Azure using App Service, Functions, and Monitor.

  • Streamlined CI/CD pipelines to improve delivery speed and reliability.

  • Certified in Azure Fundamentals (AZ-900).

  • TypeScript
  • React
  • Azure
  • ci_cd_line CI/CD
  • Frontend Development
  • Cloud

2

Full Stack Developer

APYMSA | Jul 2023 - Jun 2025

  • Spearheaded the development of a RESTful ASP.NET Core microservices backend, improving system scalability and reducing response times.

  • Optimized SQL Server database performance through strategic indexing and query optimization, achieving a decrease in average query response times.

  • Collaborated with cross-functional teams to design and implement a responsive web application using Next.js, enhancing user experience and engagement across all devices.

  • TypeScript
  • React
  • Next.js
  • ASP.NET Core
  • C#
  • SQL Server
  • Microservices
  • Entity Framework

3

.Net Developer

Global Hitss | Dec 2022 - Jul 2023

  • Developed a high-performance web application to enhance call center operations for Grupo Banorte, resulting in an increase in efficiency and user satisfaction.

  • Managed Oracle databases, executing complex queries and data operations that facilitated real-time data analysis for decision-making.

  • Utilized ASP.NET Webservices for backend management, ensuring secure and efficient data handling and application integration.

  • .NET Framework
  • ASP.NET
  • SOAP
  • Kony Visualizer
  • JavaScript
  • CSS
  • HTML

4

.Net Developer

SMART TARGET | Jul 2022 - Dec 2022

  • Designed and developed ecommerce web applications using Razor Pages, resulting in a user-friendly interface that increased customer engagement.

  • Maintained MySQL databases, executing efficient CRUD operations that streamlined data management processes.

  • Implemented responsive design strategies using Bootstrap and jQuery, ensuring seamless functionality across various devices.

  • Razor Pages
  • MySQL
  • MVC
  • HTML
  • CSS
  • JS
  • Bootstrap
  • AJAX
  • jQuery
  • Dapper
  • Entity Framework

5

Freelance Developer

Freelance | Nov 2021 - Jul 2022

  • Developed web applications using ASP.NET MVC and relational databases, delivering high-quality solutions that meet client requirements.

  • Worked with MySQL, SQL Server, and PostgreSQL databases to ensure data integrity and optimal performance.

  • Utilized SCSS and SASS for advanced styling, enhancing the visual appeal and responsiveness of web applications.

  • ASP.NET MVC
  • MySQL
  • SQL Server
  • PostgreSQL
  • SCSS
  • SASS
  • JavaScript
  • jQuery
  • HTML
  • CSS