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Leonardo S.LS

Leonardo S.

Full stack Developer, Frontend Developer

€300/day
Berlín, DE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Leonardo

I am a Fullstack developer with 5 years of experience, delivering software solutions to meet my clients' objectives. I have a wide range of technical skills, including Node.js, React JS, and TypeScript. I am committed to the development of my professional career and to seeking new challenges in the Software Factory, Medium Startups, Fintech, SaaS, EdTech, and PropTech areas.
  • Spanish

    Native or bilingual

  • English

    Fluent

  • German

    Basic

Remote only
Primarily works remotely

Experience

  • Pickatale - read, listen and learn!
    Frontend Developer
    March 2023 - Today (3 years and 3 months)
    Quito, Ecuador
    Frontend Developer in an EdTech platform, responsible for the development and maintenance of modern and scalable interfaces using React, Next.js, and TypeScript. I collaborated on the implementation of new features, API consumption with GraphQL, improvement of user experience, and optimization of application performance. I worked closely with design, product, and backend teams to deliver high-impact solutions in a remote and agile environment.
    Next.js TypeScript GraphQL React.js UI Development
  • KRUGER CORP
    Frontend Web Developer
    June 2022 - May 2023 (11 months)
    Quito, Ecuador
    Frontend Web Developer focused on the development and maintenance of modern web applications, creating functional and user-experience-oriented interfaces. I worked with technologies such as React, JavaScript, and TypeScript, implementing new features, consuming APIs, and improving code structure and maintainability. I also collaborated with design and development teams in agile environments to deliver solutions aligned with business needs.
    GraphQL TypeScript Next.js React.js Node.js
  • Jalasoft
    Full-stack Developer
    August 2021 - January 2023 (1 year and 5 months)
    Quito, Ecuador
    Full-stack Developer focused on the development of scalable web applications, participating in both frontend and backend. I worked with technologies such as TypeScript, GraphQL, React, and Node.js, building new features, integrating APIs, and improving code maintainability. I also collaborated with multidisciplinary teams in agile environments to deliver robust solutions aligned with business requirements.
    GraphQL TypeScript Next.js React.js Node.js

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Education

  • Ingeniería en Sistemas , Sistemas de información de gestión, general
    Universidad Tecnológica Israel
    2022
    Ingeniería en Sistemas , Sistemas de información de gestión, general

Skill set

Categories