ES

Hi, I'm

José Valero

Full Stack .NET Developer

I build and lead enterprise and content platforms: decoupled architectures, production-grade performance and secure development.

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José Valero
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About

A bit of context

Full Stack .NET Developer specialised in enterprise applications and content-driven digital platforms. Experienced in production environments with decoupled architectures, performance optimisation and the maintenance of live systems. Focused on secure development and continuous improvement.

Tech Lead End-to-end technical leadership
+3 years In production environments
Remote Available across Europe
Languages Spanish NativeEnglish B2French A2

Career

Professional experience

  1. Tech Lead

    2025 — 2026

    Sotec Consulting — Comillas

    • End-to-end technical leadership in the migration of an analytics platform to Microsoft Fabric.
    • Designed and built a self-service BI system assisted by AI agents on top of Power BI / Microsoft Fabric.
    • Built MCP-based tooling: custom skills/agents, prompt engineering and task automation.

  2. Full Stack .NET Developer

    2023 — 2025

    TragsaTec

    • Developed and maintained enterprise applications with ASP.NET Core and Entity Framework.
    • Decoupled architectures using CQRS, Unit of Work and Dependency Injection.
    • Optimised SQL Server queries in production, reducing execution times by ~25%.
    • RESTful APIs for content-driven platforms and structured information management.
    • Monitoring and logging with Serilog and Application Insights to improve stability and traceability.

  3. Frontend Developer

    2022 — 2023

    IVD.Energy

    • Built interfaces with Angular and RxJS for enterprise web applications.
    • Performance optimisation under heavy load and user-experience improvements.
    • Testing with Jasmine and Karma; internal process automation with Python.
    • Integrated logging and monitoring systems into production applications.

Skills

My tech stack

Backend & Architecture

  • ASP.NET Core
  • C#
  • Entity Framework
  • REST APIs
  • LINQ
  • CQRS
  • Unit of Work
  • Dependency Injection
  • Clean Architecture

Databases

  • SQL Server
  • T-SQL
  • Query Optimization
  • Data Migration
  • MySQL

Frontend

  • Angular
  • RxJS
  • React
  • JavaScript
  • HTML5 / CSS3
  • Vite
  • Web Accessibility (WCAG)

DevOps & Monitoring

  • CI/CD
  • GitLab
  • Docker
  • Serilog
  • Application Insights

Projects

Projects I have built

Mystic Cave Mystic Cave mystic-cave.com
Lure

Lure

2026

Full-stack social network in the style of Twitter/X. React + Vite SPA consuming a .NET 10 REST API with SQL Server. JWT authentication, tweets with media (image/video/PDF), likes, retweets, bookmarks, comments, following users, editable profiles with avatar, direct messages, communities, search and notifications.

  • React
  • Vite
  • .NET 10
  • EF Core
  • SQL Server
  • JWT
Code
DCA — Database Compare Application

DCA — Database Compare Application

2026

Desktop tool in C#/.NET to compare the structure of two databases, even hosted on different machines. It detects which objects to add, update or delete between a source and a target schema — handy for syncing development and production environments.

  • C#
  • .NET
  • SQL Server
  • Desktop
Code

Credentials

Education & certifications

🎓 Education

  • MSc in Computer Engineering & Cybersecurity In progress · Present
  • Higher Diploma in Web Application Development (DAW) IES Pío Baroja

📜 Certifications

  • Development & integration with Python
    2025
  • UX/UI Design Development
    2025
  • Data analysis with SQL
    2024

Contact

Let's talk Open to offers

I have 3+ years of experience in IT and, while completing a Master's degree, I'm looking to take the next step: a new remote opportunity across Europe where I can contribute more and grow. If you have a role that fits my profile, get in touch.

Email jvaleromontoya@gmail.com GitHub github.com/JoseValeroo LinkedIn My professional profile
Download CV (PDF)