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Joan BretonJB

Joan Breton

Cybersecurity Expert (OSCP, CEH, CEHFI)

€1,200/day
Madrid, ES
15+ years

Average response time: 1 hour

About Joan

Soy especialista en ciberseguridad ofensiva y desarrollo de software a medida, con más de 20 años de experiencia ayudando a empresas a proteger sus sistemas y construir soluciones tecnológicas seguras y escalables.

Como hacker ético certificado (OSCP, OSCP+, CEH, entre otras certificaciones internacionales) detecto y soluciono vulnerabilidades antes de que puedan convertirse en un riesgo real. Además, como desarrollador senior en Java / Spring Boot, diseño e integro aplicaciones robustas, seguras y listas para la nube (AWS, GCP).

Servicios que ofrezco
  • Pentesting y hacking ético (aplicaciones web, móviles y entornos cloud
  • Auditorías de seguridad y gestión de vulnerabilidades
  • Desarrollo backend con Java / Spring Boot
  • Arquitectura segura en la nube (AWS y GCP)
  • Integración DevSecOps en ciclos de desarrollo
  • Ciberinteligencia y respuesta a incidentes
Mi objetivo es que tengas tranquilidad y confianza en la tecnología que usas, con soluciones que se adapten a tu negocio, sin tecnicismos innecesarios y con resultados medibles.
  • Spanish

    Native or bilingual

  • English

    Fluent

  • French

    Basic

Remote only
Primarily works remotely

Experience

  • BBVA Technology
    Security Architect / Team Lead
    SOFTWARE PUBLISHING
    January 2018 - Today (8 years and 5 months)
    Madrid, Spain
    • Security solutions design, implementation and management.
    • Hi performance team coordination.
    • Definition and implementation of work procedures for highly efficient teams.
    Ciberseguridad SpringBoot Java EE Vulnerability Management Solution Architecture
  • Víntegris
    Security Engineer
    SOFTWARE PUBLISHING
    June 2017 - December 2017 (6 months)
    Madrid, Spain
    Role of programmer analyst responsible for the design and development of different security solutions. J2E, Node, K8S, AWS.

    Mainly focused on the implementation of critical functionality services within a cybersecurity framework with the requirements of being highly efficient that guarantee robustness and high availability.
  • MCL Technologies
    Senior Java Consultant
    February 2016 - July 2017 (1 year and 5 months)
    Belgium
    • Requirements gathering
    • Software analisys
    • Technology researchment
    • Application development

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Education

  • Master Degree in REVERSING, MALWARE ANALYSIS AND BUG HUNTING
    Campus Internacional de Ciberseguridad
    2023
    Cryptography and Cryptanalysis, Malware Analysis Environments, Source Code Analysis, Vulnerability and Malware Analysis Tools, Behavior Analysis and OSINT Methodology, Reversing in Operating Systems (Windows), Debug and Analysis of the, Operating Systems (Linux), Reversing Operating Systems (Mobile), Network and Protocol Reversing, Malware Analysis Techniques.
  • Master Degree, CYBERINTELLIGENCE (TFM)
    Campus Internacional de Ciberseguridad
    2025

Certifications

Skill set

Categories