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Ismael AhumadaIA

Ismael Ahumada

Mid-Senior .NET Backend Developer

€320/day
Sevilla, ES
3-7 years

Average response time: 24 hours

About Ismael

MID-SENIOR .NET BACKEND DEVELOPER | C# • ASP.NET CORE • EF CORE · AZURE

Hello! I'm Ismael Ahumada, a software developer with 4 years of experience specialized in the C# .NET ecosystem. I build scalable backend systems and cloud-native solutions, focusing on maintainable code and standard architectural patterns.

Experience Highlights:

Experience in Automotive, Insurtech, and Industrial sectors. Led legacy-to-cloud migrations using .NET 8 and Angular 18. Developed AI-automated workflows with SAP integration and managed backend data management for insurance platforms for the Netherlands market.

Technologies Stack:

My main expertise is in C# .NET 6+. I also have experience with .NET Framework 4.8.1 for legacy projects and a solid frontend foundation with Angular, Blazor, and TypeScript.

Backend & Development

--- Tech: C#, .NET (6, 8, 10), ASP.NET Core and API REST.

--- Patterns: Hexagonal, Clean Architecture, MVC, and MVVM.

--- Tools: Entity Framework Core (EF Core) and LINQ.

--- UI: Angular, MAUI, WPF, Avalonia, and Blazor.

Data Management

--- SQL: SQL Server, PostgreSQL, and MySQL.

--- NoSQL: CosmosDB and MongoDB.

--- Data modeling: ER diagrams, implementation, and secure transactionality.

Azure Cloud

--- Deployment: Azure Web Apps and Azure Functions (Serverless).

--- Automation: Workflow optimization with Logic Apps.

--- Storage: Azure SQL and Blob Storage for object/file management.

Additional Knowledge: I have also worked punctually with React, Java (Spring MVC, Hibernate, JPA) and PHP (Prestashop), which allows me to adapt to different technical environments and legacy migrations. I am an efficiency-oriented developer, always focused on continuous learning and solving technical challenges.

If you need a reliable technical partner for your next project, let’s connect!
  • Spanish

    Native or bilingual

  • English

    Fluent

  • Japanese

    Conversational

  • French

    Basic

Remote only
Primarily works remotely

Experience

  • ITURRI
    .NET Backend Developer | C# • ASP.NET Core • EF Core • Azure
    LOGISTICS AND SUPPLY CHAIN
    July 2023 - Today (3 years)
    Seville, Spain
    Contribute building scalable solutions using C# .NET, Angular and Azure Cloud Services. I primarily use the Azure ecosystem to deploy my developments, manage robust data solutions with SQL Server, and handle authentication and storage requirements. I also leverage cloud automation tools like Functions and Logic Apps to optimize business operations and increase productivity.

    Key Projects & Impact:

    - AI-Powered Invoice Automation (SAP Integration): Developed a .NET 8 & Blazor app to automate PDF invoice processing. The system leverages Cloud AI services for metadata extraction, integrated into an ESB connected to SAP via HTTP, streamlining financial workflows.

    - Revolve (Sustainability Tracking): As a core developer, I contributed to Revolve, a cloud-deployed app tracking CO₂/H₂O consumption. Built with the full .NET stack, Angular 16+, and SQL Server, providing interactive charts and reporting. Website: revolve.iturri.com/en/revolve.

    - Industrial Document Generator (Legacy Migration): Independently designed and architected a CE & Brochure generator. I led the migration from a legacy Excel/VBA workflow to a modern Full-Stack solution using Angular 18 and .NET 8. By leveraging a cloud-based architecture, I drastically improved document generation times, UI/UX, and data consistency across the industrial department.

    - Additional Technical Support: Experience supporting Prestashop (PHP) apps and a background in IT Helpdesk management, providing technical assistance and managing complex ticket resolution workflows.

    Technologies Stack:

    - C# .NET 6+
    - ASP.NET Core
    - Entity Framework Core
    - Blazor
    - Angular 11+
    - Azure databases (Microsoft SQL Server)
    - Azure DevOps
    - Azure App Services
    - Azure Functions
    C# .NET ASP.NET Core SQL Server Microsoft Azure
  • Solera
    .NET Framework Backend Developer | C# • ASP.NET • ADO.NET
    AUTOMOBILE
    July 2022 - July 2023 (1 year)
    Seville, Spain
    Contributed to high-impact international projects within the Automotive and Insurtech sectors, specifically supporting the company's Dutch division.

    My role focused on ensuring the stability and evolution of mission-critical platforms that manage large-scale data exchange between key stakeholders in the insurance ecosystem.

    Key Contributions & Projects:

    - Volmachtbeheer (Netherlands Business Unit): Performed end-to-end maintenance and feature enhancements for this strategic platform used by Dutch insurance companies and underwriting agents. I specialized in optimizing legacy .NET Framework 4.8 environments, utilizing ASP.NET and ADO.NET to manage complex data workflows and ensure seamless communication between disparate financial systems.

    - Database Optimization: Managed and optimized PostgreSQL databases, ensuring data integrity and improving query performance for high-traffic insurance management tools.

    - Qapter Claims Support: Provided technical support and feature development for Qapter Claims, Solera’s flagship global platform for vehicle damage assessment. Working within a multi-stack environment, I tackled complex bug fixing and system stability tasks using Java Spring, Apache Velocity, and SQL Server.

    - International Collaboration: Worked effectively in a distributed team environment, aligning development tasks with the specific regulatory and business requirements of the Netherlands market, which demanded high standards of code quality and security.

    Technologies Stack:

    - .NET Framework 4.8
    - ASP.NET Framework
    - ADO.NET
    - Java
    - Spring Framework
    - Apache Velocity
    - Databases: H2 & PostgreSQL
    C# .NET framework ADO.NET ASP.NET PosgreSQL

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Education

  • Computer Engineering Degree
    Universidad Nacional de Educación a Distancia (UNED)
    Focusing in Backend and Low Level Engineering related subjects in IT
  • 3D Animation, Videogames & Interactive Environments
    IES Profesor Tierno Galván
    2019
    Learnt the following apps: - Blender - Photoshop - Adobe Premiere - After Effects - C# - Unity Game Development

Certifications

  • Python Machine Learning AI Course
    IBM | datahack
    2025
    Data analysis Data visualization Pandas Machine learning artificial intelligence Python

Skill set

Categories