DevCrafters.

Hi, I'm

Sergio
Barreras.

Full-Stack Developer · Aguascalientes, MX

Available for new projects

Specialized in building scalable web applications with Angular, Vue, NestJS and TypeScript. Passionate about clean architecture, user experience and automation.

AngularVue / NuxtNestJSTypeScriptPostgreSQL
Sergio Barreras
5+ yrs exp.

About me

I'm a Full Stack Developer with more than 5 years of experience building scalable web applications. I focus on efficient, maintainable, user-centered solutions.

I specialize in modern architectures with Angular, Vue, NestJS and TypeScript, applying Clean Architecture and automating processes to guarantee quality code.

Co-founder of DevCrafters, where we help companies build web, mobile and cloud solutions that transform their business processes.

5+Years of experience
15+Completed projects
30+Certifications
2Languages · Spanish & English

Experience

  1. Angular Frontend Developer

    Capgemini

    May 2026 — Present
    • Resolved accessibility issues in component libraries.
    • Collaborated on design system components.
    • Improved component adoption through clear documentation.
  2. Full Stack Developer

    Creative Software International

    Jul 2025 — Oct 2025
    • Designed the database schema for the permissions system.
    • Implemented workflow automation.
    • Fixed deadlocks and CRUD inconsistencies.
  3. Full Stack Developer

    Taruks Soluciones S.A. de C.V.

    Dec 2022 — Aug 2024
    • Angular development with Clean Architecture.
    • REST API integration and reactive forms.
    • Scrum participation and code reviews.

Tech stack

Languages

TypeScriptJavaScriptPythonC#DartJava

Frontend

AngularVue.jsNuxtReactAstroTailwind CSSMaterial UI

Backend

NestJSNode.jsExpressDjango.NET

Databases

PostgreSQLMongoDBSQL ServerSQLite

DevOps & Cloud

DockerKubernetesGCPAzureGitHub ActionsRenderFirebase

Testing & tools

JestVitestPostmanSonarQubeGitRxJSGraphQLStripeTwilion8n