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Brayan GallardoBG

Brayan Gallardo

Senior Backend Developer

€280/day
Madrid, ES
8-15 years
Java
Spring boot
Oracle
Microsoft Azure
AWS S3

Average response time: 1 hour

Freelancer profile translated to English.
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About Brayan

Backend Developer with over 8 years of experience developing web applications using Java, C#, along with databases such as Oracle, Sql Server, MongoDb. I have led projects in the banking, logistics, and customs sectors. I am SCRUM certified. I am motivated by the creation of IT solutions, improving my skills, learned languages, and agile techniques for development in my area day by day; always willing to take on new challenges.

  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • CAS Training – Cliente Banco Santander Consumer–
    Senior Backend Developer
    BANKING AND INSURANCE
    May 2025 - Today (1 year and 2 months)
    Madrid, Spain
    • ● Development of microservices in Spring Boot.
    • ● Meeting with users for requirements gathering.
    • ● Development under Hexagonal architecture, with clean code and SOLID.
    • ● Integration with AWS services
    • ● Elaboration of architecture diagrams.
    • ● Design of Rest APIs.
    • ● Meetings with backend, frontend, and architecture teams Tech Stack: Java - Spring Boot, WebFlux, Oracle and MongoDB, AWS, ApiGee, Kubernetes and Docker
    Spring boot Java AWS Oracle Kubernetes
  • BigCore
    Full Stack Developer & Tech Lead
    September 2022 - October 2025 (3 years and 1 month)
    • ● Developed microservices in Spring Boot.
    • ● Meeting with users for requirements gathering.
    • ● Creation of forms through Oracle.
    • ● Integration with services such as Padron, Direcciones, SMS, Inmerso.
    • ● Development under Hexagonal architecture, with clean code and SOLID.
    • ● Establishment of standards.
    • ● Architecture Design.
    • ● Migration of microservices from Java 8 to 17
    • ● Development of REST and SOAP APIs, and microservices.
    • ● Development of components for the SocyalPro system, where I was responsible for developing for the Alcobendas, Valencia, Asturias, and Valladolid city councils. Tech Stack: Java - Spring Boot, Oracle, Azure and AWS
  • Global Hitss—
    Backend Developer
    January 2018 - October 2022 (4 years and 9 months)
    Development in Java with microservices, with various relational databases, in banking and telecommunications projects, etc.
Check out Brayan's experience

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Education

  • Scrum Foundation Professional Certificate (SFPC)
    CertiProf.
    2020
    Scrum Foundation Professional Certificate (SFPC)
  • Computer and Systems Engineering
    Universidad San Martin de Porres
    2017
    Ingeniería de Computación y Sistemas

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