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David Neira MartrusDN

David Neira Martrus

Full Stack Developer | .Net | React | Azure

€250/day
Madrid, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About David

Computer Science Engineer with over 4 years of experience in Full Stack development, participating in projects for sectors such as banking, telecommunications, energy, and e-commerce. I have worked on the development and integration of web and mobile applications and backend services, as well as implementing cloud solutions with Azure and AWS.

I am a self-taught, adaptable, and problem-solving oriented individual, with the ability to quickly learn the technology required by the project or client.

Currently, I am open to participating in projects related to data engineering or data science. Although I am taking my first formal steps in these areas, I have already collaborated on data engineering initiatives on AWS and Azure environments, and I am interested in continuing to deepen my knowledge in this field, ideally in combination with full-stack development.

My focus is on building scalable, efficient solutions aligned with business objectives, contributing value from a comprehensive technical perspective.
  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Wayops
    FullStack .Net Engineer
    SOFTWARE PUBLISHING
    January 2024 - Today (2 years and 4 months)
    Madrid, Spain
    • Development of web applications with React and Vue.js.
    • Creation of APIs and backend services with .NET Core and Node.js.
    • Implementation of serverless solutions using Azure Functions.
    • Deployment and integration of cloud solutions in Azure.
    *Technologies:.NET Core, Node.js, React, Vue.js, Azure Functions, CosmosDB.
    Vue.js ASP.NET Core React.js Azure Functions Node.js
  • Gizlo
    Semi Senior Developer
    September 2022 - December 2023 (1 year and 3 months)
    Guayaquil, Ecuador
    • Experience in developing microservices with Spring Boot, Quarkus, and Node.js for
    • banking entities, along with implementing ETL processes in AWS using
    • Glue, Lambda, and AWS CDK.
    • Design and implementation of administrative systems for an oil sector company,
    • using Quarkus for the backend, Angular for the frontend, Keycloak
    • for identity management, and Docker for service containerization.
    • Building frontend applications for a telecommunications company with
    • Angular and Java microservices development using springboot.
    • Participation in event-driven solutions with AWS EventBridge, Lambdas.
    *Technologies:Spring Boot, Quarkus, Angular, Node.js, Redis, MongoDB, DynamoDB,Docker, Kubernetes, Keycloak, AWS Glue, Lambda, CDK, EventBridge, RDS, Athena, S3.
    Java Angular Quarkus Node.js AWS
  • Broadnet S.A.
    Analyst Developer
    TECH
    December 2020 - September 2022 (1 year and 9 months)
    Guayaquil, Ecuador
    • Development of REST APIs with ASP.NET Core and Node.js for external integrations.
    • Full Stack development of web portals with React and .NET Core.
    • Maintenance of legacy platforms in ASP.NET WebForms.
    • Maintenance of Android mobile applications and internal desktop tools.
    • Automation of reconciliation processes and report generation.
    *Technologies:ASP.NET Core, Node.js, React, Android (Java), SQL Server, Next.js,WebForms, Visual Basic.
    React.js Android ASP.NET Core C# Java

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Education

  • Master of Data Science
    Pontificia Universidad Católica de Chile
    2025
    2 años de formación en Ciencia de Datos
  • Diploma Cloud Computing Azure
    Pontificia Universidad Católica de Chile
    2023
    6 meses

Certifications

Skill set

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