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David Bernal GuerreroDB

David Bernal Guerrero

Full Stack Developer

€300/day
3 projects
Málaga, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About David

Full Stack Developer | Entrepreneur | Blockchain Developer | Investor

Full Stack Developer with +7 years of experience, Co-Founder, CTO, and lead developer at Febelink.

I consider myself a proactive, enthusiastic person who loves challenges, capable of solving any problem or blockage, very perfectionist in everything I do, passionate about technology since I was very young, hardworking, and innovative. I have worked on large public institution projects (at DEKRA for Telefónica), as a developer and primary support technician in online marketplaces and auction houses like Christie's, Hilco IPV4 Global, Climate Impact X (at CIKLUM for NovaFori), and on small Open Source projects we developed at the Angular Málaga community Hackathons. All of them have given me the opportunity to experience the world of development in multiple areas and contexts, as well as helping me grow and develop myself daily with the new challenges that arise.

Best regards! ;)
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • RAW iGaming
    Senior Software Developer | Senior Full-Stack Developer
    VIDEO GAMES AND ANIMATION
    February 2024 - December 2025 (1 year and 10 months)
    Málaga, Spain
    Senior Software Developer | Senior Full-Stack Developer

    Detecting and fixing issues of the different integrations with the Casinos. Developing and improving gambling games in a highly
    competitive market. Some examples of responsibilities and daily tasks could be:
    Development of new functionalities and correction of existing errors in both sides: microservices on backend side
    mainly developed in Python using HTTP interfaces and frontend in Angular2.
    Developing iOS and Android native app for gambling games.
    Managing Coordination with the different departments for solving or improving integrations.
    Improving game performance and launching.
  • Minsait
    Integration Manager | Senior Java Backend Developer | Senior Full-Stack Developer
    TELECOMMUNICATIONS
    January 2022 - October 2024 (2 years and 9 months)
    Integration Manager | Senior Java Backend Developer | Senior Full-Stack Developer
    2022-2024
    Leading and developing a platform that shows and manages the energy consumption of different distributors at Minsait for EDP
    (Energias de Portugal). Some examples of responsibilities or daily tasks could be:
    Development of new functionalities and correction of existing errors in both sides: microservices on backend side
    mainly developed in JAVA using SOAP interfaces and frontend in Angular2.
    Managing the technical team and prioritizing tasks as a PO would.
    Managing Hirings, interviews, budgets, payments, and establishing communication with the different departments.
    Attending meetings with clients, defending the company's interests.
    Attending "bridges calls" with clients' technical departments, solving problems in real time and defending
    new releases.
    Improving the scaling of the infrastructure and architecture of the project.
    Market analysis and strategies
  • Febelink
    Co-Founder | CTO - Chief Technology Officer | Full-Stack Developer | Blockchain Developer
    May 2019 - Today (7 years and 1 month)
    Leading and developing at Febelink, a PWA and Hybrid cross-platform, designed for B2B and B2C communication, improving
    and helping with communication between Businesses, SMEs, and individuals. Some examples of responsibilities or daily
    tasks could be:
    Development of new functionalities and correction of existing errors in both sides: frontend in Angular2 under
    Ionic Framework and backend in PHP using Laravel as Framework. This project also uses microservices
    developed in NodeJS and Express for Blockchain and Chat features.
    Developing using native languages (Java and Swift) and deployment to the different platforms: Web, Play
    Store, and App Store.
    Managing hirings, interviews, budgets, payments, and establishing communication with the different departments.
    Managing the developer, product, QA, and designer teams and collaborating with all departments.
    Improving the scaling of the infrastructure and the expansion of the project.
    Market analysis and strategies.
    Knowledge of own cryptocurrency foundation, blockchain development, and marketplace concepts and
    experience in blockchain development on the Stellar network.
    Performance of all DevOps tasks for the maintenance of the infrastructure.

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Education

  • Web Application Development, Vocational Training Cycle
    IES Campanillas
    2017
    Desarrollo de Aplicaciones Web, Ciclo formativo de formación profesional
  • Telecommunications and Informatics Systems, Vocational Training Cycle
    IES Mare Nostrum
    2014
    Sistemas de Telecomunicaciones e Informáticos, Ciclo formativo de formación profesional

Certifications

  • Linux Professional Institute Certification - LPI
    Linux Professional Institute
    2017
  • Android
    University of Malaga & Samsung
    2016
    Android Development

Skill set

Categories