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David MerinoDM

David Merino

Senior Frontend Web & Mobile Developer

€200/day
Santa Cruz de la Sierra, BO
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About David

I am a Full-Stack developer, although in recent years I have specialized in mobile application development with React Native.

I have over 9 years of experience creating digital products for companies, participating in real projects where quality, performance, and user experience are fundamental. I have worked primarily in the e-commerce sector, developing and maintaining applications used by thousands of users.

I feel particularly comfortable working with React, React Native, TypeScript, and Expo. I enjoy creating polished interfaces, writing clean code, and finding solutions that are easy to maintain in the long term. I also have experience collaborating with multidisciplinary teams, participating in code reviews, and adapting to agile methodologies.

As a freelancer, I like to integrate into projects as a team member. I am an organized, communicative, and results-oriented person. I believe that the best technology is one that solves problems simply and adds value to both the business and the users.

If you are looking for a developer who can quickly integrate, bring experience from day one, and care about both code quality and the final product, I would be delighted to collaborate with you.
  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • InterSoftware Global
    Senior Software Engineer
    E-COMMERCE
    September 2024 - Today (1 year and 11 months)
    Santa Cruz de la Sierra, Bolivia
    Development and maintenance of 3 e-commerce apps. Mainly focused on checkout, payment gateway and user session. Also deploy and releases in application stores (App Store and Google Play)
    React Native Typescript Google Play Store App Store
  • Grupo IskayPet
    Senior Software Engineer
    April 2024 - Today (2 years and 4 months)
    Málaga, Spain
    Development and maintenance of 3 e-commerce apps. Mainly focused on checkout, payment gateway and user session. Also deploy and releases in application stores (App Store and Google Play)
    React Native Typescript Google Play Store App Store
  • WOAla.app
    Software Architect
    December 2019 - May 2022 (2 years and 5 months)
    El Beni, Bolivia
    (Totally remote) Responsible for creating and managing WOAla.app from zero to production. Organized the work of a team of 3 developers. I managed a good work environment and everyone felt comfortable and motivated.

    Achievements:
    • - I significantly reduced the cost of platform development from 3 to 1 by suggesting and implementing the project as a Progressive Web Application (PWA) instead of the traditional method.
    • - I built a scalable database structure that allowed creating new sections on the platform 80% faster.
    • - I managed to increase user registration by more than 200% on the platform by dividing the registration form into several simpler and more user-friendly steps.
    • - I increased the security of sensitive data stored in the database from 1 to 2 by adding stricter encryption and temporary self-generated code.

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Education

  • Web Development and Computer Applications
    IMFE Granada Municipal Institute
    2010
    Web Development and Computer Applications
  • Programming Fundamentals
    Programming Fundamentals

Certifications

Skill set

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