I am a self-taught software engineer with a passion for maps, algorithms, and building scalable web applications. Over the years I’ve developed full-stack solutions, specialized in map-driven features, API integration, and cloud deployments while keeping user experience at the forefront. I enjoy learning new technologies, balancing education and mentoring with hands-on coding, and collaborating with teams to turn ideas into solid software.

José María Martínez Aranda Arroyo

I am a self-taught software engineer with a passion for maps, algorithms, and building scalable web applications. Over the years I’ve developed full-stack solutions, specialized in map-driven features, API integration, and cloud deployments while keeping user experience at the forefront. I enjoy learning new technologies, balancing education and mentoring with hands-on coding, and collaborating with teams to turn ideas into solid software.

Available to hire

I am a self-taught software engineer with a passion for maps, algorithms, and building scalable web applications. Over the years I’ve developed full-stack solutions, specialized in map-driven features, API integration, and cloud deployments while keeping user experience at the forefront. I enjoy learning new technologies, balancing education and mentoring with hands-on coding, and collaborating with teams to turn ideas into solid software.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent
Spanish; Castilian
Fluent

Work Experience

Freelance Developer
January 1, 2012 - Present
Works with clients worldwide via Upwork, specializing in map-based applications, API integrations, and full-stack web solutions. Delivered map-enabled apps using Google Maps API, Mapbox, and ArcGIS, built SaaS platforms, and created robust back-end services and front-end interfaces for diverse industries.
Freelance Developer
January 1, 2003 - January 1, 2010
Provided a range of freelance web and software development projects, including web design and database-driven applications for various clients (e.g., neurofibromatosis.es and other ventures).
Director of Technology at Online Marketing Company
January 1, 2011 - January 1, 2011
Director of the Technology Department responsible for web project development and management.

Education

Bachelor's degree in Mathematics at Universidad Complutense de Madrid (UCM)
January 1, 1995 - January 1, 2000

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Education