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Rubén Jesús Lorenzo MonterrosoRJ

Rubén Jesús Lorenzo Monterroso

Sr FullStack | Java,Python,React,MongoDB,AWS Cert.

€350/day
La Coruña, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Rubén Jesús

Software Engineer with 6 years of experience (Indra, Babel). AWS Certified Developer – Associate.I cover the full software lifecycle: from architecture design to production deployment.

Technical Specialties:

*Legacy Migration:Transformation of obsolete systems (**SOAP**, **JSP**, **Subversion**) to modern stacks (**REST**, **React**, **Git**).

*Backend & Frontend:Core development inJavaand **Python**. Interfaces with **React**.

*DevOps & Cloud:Infrastructure onAWS**. Containerization with **Dockerand CI/CD pipelines on **Jenkins**.

*Architecture & Data:SQL (**PostgreSQL**) and NoSQL (**MongoDB**). Asynchronous messaging with **RabbitMQ**.

*Advanced Scraping & AI:Data extraction overcoming complex anti-bot systems (e.g., Bet365) and process automation with AI.
  • Spanish

    Native or bilingual

  • Galician

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Babel
    Fullstack Developer & Data Modeler Mapfre
    HEALTH AND WELLNESS
    July 2022 - Today (3 years and 11 months)
    Current Stage: MongoDB Data Modeling

    *Architecture Design:Advanced database modeling with Moon Modeler.

    *Data Ecosystem:Definition of MongoDB structures for query optimization and BI.

    *Documentation:Preparation of technical designs for the health area's data strategy.


    Initial Stage: Core Java Development

    *Backend:Maintenance and development in Java 7 with Struts and WSDL services (IBM WebSphere).

    *Frontend:Implementation of interfaces with JSP and Bootstrap.

    *QA & Ops:Execution of comprehensive tests and support in deployments.


    Main Stack:MongoDB, Moon Modeler, Java 7, WSDL, JSP, Bootstrap.
    MongoDB Java AWS Python JSP
  • SM Tecnología
    Full Stack Developer
    LOGISTICS AND SUPPLY CHAIN
    July 2021 - July 2022 (1 year)
    La Coruña, Spain
    Development of web solutions for the telecommunications (Euskaltel, Virgin Telco) and healthcare sectors.
    Backend:Construction of robustREST APIswith **Java 11**.
    Frontend:Development of modern interfaces withReact (Redux)and **Vue.js**.
    Databases:Management and queries in **PostgreSQL**.
    Tools:**Git**, **Subversion**, and **agile methodologies with Jira**.
  • Indra
    Full Stack Developer
    PUBLIC SECTOR
    July 2019 - July 2021 (2 years)
    La Coruña, Spain
    Lead software developer for the 'Orzamentos' and 'Imprent@' projects of the Xunta de Galicia.
    Architecture:Backend implementation with **Java 7**, **Spring**, and **Hibernate**.
    Integration:Development ofSOAPweb services and SQL Server database management.
    Frontend:Creation of dynamic interfaces with **JSP**.
    Quality:Technical analysis and code evaluation with **SonarQube**.
    Servers:Deployment and configuration on **JBoss**.

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Education

  • Higher Technician in Cross-Platform Application Development
    IES Muralla Romana
    2019
    Técnico Superior en Desarrollo de aplicaciones multiplataforma
  • Scientific-Technological Baccalaureate
    IES Melide
    2017
    Bachillerato científico tecnológico

Certifications

Skill set

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