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Javier LópezJL

Javier López

Mobile Development | Backend | Cloud

€400/day
1 project
Madrid, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Javier

I am part of a team (Kypseli.io) specialized in helping startups and entrepreneurs with the design and development of their mobile applications.

Our potential lies in:

👩🏻‍🤝‍🧑🏼 Accompanying you with our more than 10 years of accumulated experience in the startup world

✨ Exploring new opportunities together to build innovative products that engage users and bring us closer to Product Market Fit

💰 Saving you time and money by following optimized methodologies to iterate and test at the lowest possible cost

📈 Providing you with visibility and control of your project, helping you make the most of your investment at all times

💎 Creating robust, easily evolvable products with a minimum defect rate

🙂 Being one more member of the team, seeking the best integration through fluid collaboration and communication

Tell me a little more about the project you have in hand. I'll be delighted to talk with you to help you land your proposal and see how we can make the most of our collaboration!
  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Mobile One2One, S.L.
    Malt logoOn Malt
    Android Development
    November 2020 - November 2020 (1 month)
    Madrid, España
    Android Kotlin Git
  • Avature S.L.
    Senior Software Engineer
    HUMAN RESOURCES
    April 2018 - February 2020 (1 year and 10 months)
    Madrid, Spain
    Working within the Portals team, supporting clients' public web portals. Key contributions and learnings include:
    - Backend (PHP) and frontend (HTML + JS) development oriented towards high-traffic environments.
    - Most of the work related to reducing legacy code, as well as software design and architecture to improve maintainability.
    - Improvements in the automated testing system with the introduction of a unit testing model (legacy and design coverage) and tests of different granularity (saving execution times and costs).
    - Support and education in agile and Lean methodologies with a primary focus on empowering people and improving the value chain.
    Back-End Development Front-End Development PHP JavaScript
  • WOOM Fertility S.L.
    Lead developer
    HEALTH AND WELLNESS
    November 2015 - March 2018 (2 years and 5 months)
    Madrid, Spain
    - Development and maintenance of a female health and fertility mobile application to help women conceive, collaborating on both the frontend and backend.
    Stack: Android, Python, MongoDB, PostgreSQL, Nginx, AWS, GCP.
    - Working with agile methodologies, paying special attention to the creation of multidisciplinary and self-managed teams, as well as continuous improvement of the workflow.
    - Also focusing on best practices, architecture, OOP, TDD, emergent design, and refactoring.
    - Application of Docker for creating development/production environments and automating integration and delivery/deployment tasks (CI/CD) with Jenkins.
    - Basic additional knowledge of microservices.
    Android Back-End Development Python Amazon Web Services DevOps MongoDB PostgreSQL Google cloud Cloud computing

Reviews

5.0

Out of 1 rating

L

Luis

Mobile One2One, S.L.

Reviewed on 12/16/2020

Recommendations

Rubén ExpósitoRE
Guillermo PortasGP
FU
Rubén Expósito and 2 other people have recommended Javier

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Education

  • Computer Engineering
    Complutense University of Madrid
    2014

Skill set

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