HELLO, WORLD —

I'm James

Postadan

Systems-grounded engineer /C

Learning in public at 42 Barcelona. I work close to the metal in C and build for the web with JavaScript and React.

SELECTED WORK

Featured Projects

libft

Systems library

Custom C standard library reimplementing essential libc functions from scratch — the foundation every 42 project builds on.

C

ft_printf

Systems / C

From-scratch reimplementation of printf in C, handling variadic arguments and all core format specifiers without libc.

C

push_swap

Algorithms

Sorts a stack of integers using two stacks and a minimal set of operations — an exercise in algorithm design and complexity.

C

ABOUT ME

Who I Am

Learning in public at 42 Barcelona. I work close to the metal in C and build for the web with JavaScript and React.

Barcelona, Spain
GROWTH

Continuously learning — every project is a chance to level up.

FOCUS

Deep work over busywork. Ship things that actually matter.

CRAFT

Details make the product. Quality in every line, every interaction.

BACKGROUND

Experience

EDUCATION

42Barcelona

Computer Science

2026 - Present

MigaCode Barcelona

Web Development

2025 – Present

University Luzon

Bachelor of Science in Computer Engineering

2020 – 2024

WORK

Student

42 Barcelona

Create projects

March 2026 – Present

GET IN TOUCH

Reach Out

Have a project in mind or just want to connect? I'd love to hear from you.

JAMES.

PORTFOLIO