Full-stack engineer building fast, pragmatic web products.

TypeScript, Next.js, SQL, Go. Based in Barcelona. I like shipping useful things and bending simple tools in interesting ways.

51 posts · 4 projects · 13 notes · 5+ years remote

featured project

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CleanCut Video

Desktop app that auto-cuts silences from talking videos and adds subtitles locally. Runs on Windows, macOS and Linux with no uploads and no subscription.

electronreacttypescriptviteffmpeg

latest posts

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GLM rose in price… and changed everything

Apr 11, 2026 • 3min read

GLM used to be my favorite cheap model hack until the price jumped. Here is what changed and whether it is still worth using.

z.aiclaudecodexkimi

Top 3 Cheap Claude Code Alternatives (2026)

Mar 29, 2026 • 3min read

I spent over $500 on Claude Code before looking elsewhere. These three cheaper options keep me coding without the sticker shock.

aifinance

I Built a Silence Remover (No One Pays)

Mar 26, 2026 • 4min read

I turned a small ffmpeg script into a desktop app that removes silences from videos. People around the world use it, but almost nobody pays.

javascriptaimacfinance

China 2025 Changed My Life: A Travel Story

Jan 19, 2026 • 30min read

A chronological brain dump of my 2025 trip to China, with real tips on apps, payments, transport and the honest experience of traveling there as a Westerner.

expressaimactravel

Martin Chammah

Software Engineer • Barcelona, Spain

About Martin Hello, I'm Martin! I'm a full stack developer based in Barcelona, Spain. I'm proficient in Javascript, I love bending Nextjs coupled with Sqlite and thinking about what non conventional stuff I can do with it. Professionally, I...

TypeScriptNext.jsGoSQL