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Alfonso CebolleroAC

Alfonso Cebollero

Software Developer

€275/day
Ginebra, CH
3-7 years

Average response time: 1 hour

About Alfonso

I am a passionate technology enthusiast who thrives on new challenges. Highly adaptable and versatile, I excel at quickly embracing new situations and delivering strong results. Known for my dedication and strong work ethic, I consistently strive to exceed expectations in everything I do.
  • Spanish

    Native or bilingual

  • English

    Fluent

  • French

    Conversational

Can work on-site
Ginebra (up to 50km), Lausanne (up to 10km)

Experience

  • Richemont,
    Main Software Developer - API Gateway
    February 2023 - Today (3 years and 4 months)
    Geneva, Switzerland
    • Led the development, testing, and deployment of new features for the Kong API Gateway.
    • Gaining extensive experience with Kong allowed me to become a trusted advisor for technical decisions.
    • Designed and implemented advanced authentication patterns and integrations with multiple third-party providers.
    • Developed microservices in Go to support and extend integration capabilities.
    • Built a full-stack application using Django REST Framework and React for API design and quality management.
  • Deloitte,
    Senior Delivery Consultant (Cybersecurity and Software)
    September 2022 - February 2023 (5 months)
    Madrid, Spain
    • Built and optimized automated security incident response workflows.
    • Improved large codebases and supported service integrations.
    • Mentored new developers in best coding practices and processes.
  • Axians,
    Software Developer - Senior Software Developer
    September 2019 - September 2022 (3 years)
    Madrid, Spain
    • Participated in the design and deployment of a new DNS platform for Telefónica Spain, using Ansible, Python, and OpenStack.
    • Developed multiple microservices in Go and Python to deliver diverse features for major ISPs, including Orange Spain and Telefónica.
    • Automated IP address management processes for Orange Spain by creating a dynamic system that detected missing IP assignments on terminals and allocated them automatically based on defined rules.

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Education

  • Master's Degree in Cybersecurity
    University Carlos III of Madrid
    2022
    Master's Degree in Cybersecurity
  • Master's Degree in
    Polytechnic University of Madrid
    2021
    Master's Degree in

Skill set

Categories