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Jaime Pareja ArcoJP

Jaime Pareja Arco

LLM Developer / Mobile Developer

€270/day
Madrid, ES
8-15 years
Claude
Swift
Kotlin
Python
NestJs

Average response time: 1 hour

Freelancer profile translated to English.
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About Jaime

I have developed my professional career working on technological projects for BMW, Spanish IBEX 35 companies, and startups with notable growth, which has allowed me to participate in highly demanding, dynamic, and results-oriented environments. I am an expert in Flutter development, with extensive experience creating robust, scalable, and product-oriented applications. Additionally, I have solid knowledge in artificial intelligence, LLM-based systems, and applied AI solutions, combining technical vision and practical ability to transform complex ideas into real digital products.
Health and Wellness
E-commerce
Construction
Consulting and Audits

  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Freelance
    Developer
    January 2020 - Today (6 years and 6 months)
    Implementation of various projects.
    • LockeySpain: Creation of an application for smart locks.
    • Taxiva24h: Creation of a web panel and auto-synchronization of taxi drivers' routes and positions.
    • Halaly: Create unit tests and achieve a 99% crash-free rate in the application.
    • BMW: Study and development of an offline-first application for creating appointments with the dealership where the vehicle was purchased.
    • Mustramit: Rebranding of the company and creation of the application, implementation of an AI ChatBot for the automatic creation of procedures for musicians. I have collaborated with consultancies supporting improvements, developments, and closing of technological projects. In recent years, I have specialized in AI, especially in Anthropic/Claude, creating tools aimed at optimizing processes and improving productivity.
    Claude Swift Kotlin Flutter Python
  • Avantgarde/Diverger
    LLM Developer
    June 2023 - Today (3 years and 1 month)
    • Creation of applications with integrated LLMs: Creation of web/mobile applications with integrated agents to validate and automate subject validation processes in European companies.
    • Maintenance, development, and implementation: I have implemented, improved, and maintained several agent systems, from basic chatbots to very large multi-agent systems.
    Python NestJs Flutter Swift Claude
  • Beebit
    Front-End Developer
    March 2021 - June 2023 (2 years and 3 months)
    Development and optimization of mobile apps, as well as their publication. Creation of unit tests and, in the last year, budget management and leadership of a team of two or three people.

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Education

  • Degree in
    University of Granada
    2021
    Grado en
  • Master
    UAX
    2026
    Master
Check out Jaime's education

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