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Spain · Available for Collaboration

Jaime Castro Gradin

Entrepreneur, Developer & Investor

Building digital products, exploring technology and turning ideas into real-world projects.

I'm an entrepreneur and developer from Spain with a passion for technology, innovation and building digital solutions. I've been working on web development and creating projects since the age of 10.

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Founder of 2 Projects Dual Diploma Scholar
Identity & Journey

About Me

Driven by curiosity, technology and building real-world solutions.

I'm Jaime Castro Gradin, an entrepreneur, developer and investor from Spain.

I've been interested in technology and entrepreneurship since the age of 10, constantly exploring new ideas and developing diverse projects.

My interests cover software development, AI tools and prompt engineering, server infrastructure, decentralized storage and investment. I'm also involved in fund management, understanding how capital allocation and technological innovation reinforce each other.

I enjoy understanding how technology works, experimenting with new solutions and turning ideas into practical projects.

I'm currently 15 years old and pursuing the American Dual Diploma Program, while continuing to expand my knowledge across diverse fields (scientific and technological) and my entrepreneurial experience with various projects currently in their launch phase.

Ventures & Products

My Projects

Some of the projects I've founded and worked on.

Safe Transfer Official Logo
ALMOST READY

Safe Transfer

A simple and secure online file-transfer platform designed to make sharing files easy and accessible, without requiring users to register or create an account.

Instant Sharing Zero Registration Privacy-Focused
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ChargeNext Official Logo
COMING SOON

ChargeNext

A power-bank rental platform built around automated rental stations, designed to make portable charging more accessible and convenient.

Automated Stations On-Demand Power Smart Hardware
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Stack & Capabilities

Technologies & Expertise

Technologies and areas I actively explore and work with.

Programming

Python
JavaScript
HTML
PHP

Infrastructure & Tools

Linux
Git
GitHub
Server Admin

AI Tools & APIs

Working with modern AI APIs, prompt engineering, and integrating language models into practical workflows and applications.

Prompt Engineering
AI APIs
Automation

Decentralized Storage

I also participate in decentralized storage networks, including Storj and Sia, exploring distributed storage infrastructure and related technologies.

Storj
Sia
Decentralized Infrastructure Participation

Storj & Sia Network Operation

Active node participant and technical explorer in distributed protocols like Storj and Sia, analyzing high-availability consensus, peer-to-peer sharding, and censorship-resistant data pipelines.

Storj Node
Sia Node
Academic Achievements

Education & Academic Background

Academic background and international learning.

In Progress

American Dual Diploma Program

Currently pursuing the American Dual Diploma Program alongside my regular education, achieving a dual high school diploma through comprehensive international coursework.

Highest Academic Honours

Honours Distinction

Received the highest Honours Distinction in my first year of the American Dual Diploma Program, recognized for outstanding academic performance and dedication.

Certified

English B2 Certificate

Holds an official B2-level English language certification, demonstrating advanced proficiency in reading, writing, listening and speaking.

Vision & Focus Areas

Beyond Development

Beyond software development, I'm interested in understanding the systems, technologies and business models shaping the digital world.

Entrepreneurship

Designing and executing scalable digital products from conceptual foundation to practical deployment.

Investment & Fund Management

Analyzing capital markets, asset management strategies, and the macroeconomic dynamics driving tech innovation.

AI Integration & Prompting

Exploring AI APIs, effective prompt engineering, and how modern language models can optimize software workflows and digital products.

Technology Infrastructure

Architecting resilient Linux servers, distributed nodes, and high-performance self-hosted services.

Decentralized Networks

Investigating distributed ledgers, zero-knowledge concepts, and peer-to-peer storage protocols.

Digital Innovation

Synthesizing emerging technical breakthroughs into tangible utility for users and modern digital systems.

Get in Touch

Let's Connect

Have a project in mind, an interesting idea or simply want to get in touch? Feel free to contact me.

Email

jamecasgra@gmail.com

Direct communication for projects & inquiries

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Instagram

@jaime_casgra

Follow updates and digital projects

Instagram