Mar 10, 2026 β’ 5 min read
The death of the full-width container
Why modern web design is moving away from edge-to-edge layouts and embracing intentional negative space.
Available for work
Hey, I'm Juan
Sheinix π
A creative engineer building thoughtful tools for a more cozy digital experience. Living at the intersection of design, systems, and logic. π»β¨
What I'm doing now
Last updated: Mar 15, 26
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Reading
Currently deep in 'The Design of Everyday Things' and exploring spatial computing patterns.
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Coding
Refactoring my CSS engine for my personal CLI tools and experimenting with Rust & Lingua.
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Living
Perfecting my pour-over coffee technique and learning the basics of generative modular synthesis.
Selected Works
A curated collection of digital experiments and products.
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DESIGNINTERFACE
Kura Studio
A minimalist markdown editor designed for focused writing and local-first workflows.
In Development
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UIREACT
Lumo UI
An organic component library
Live
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[synero.png]
TOOLAPI
Synero
Real-time state synchronization engine.
Beta
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[ideastack.png]
MOBILEAI
IdeaStack
Mobile app for capturing and organizing ideas
In Development
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CRYPTONEXTJS
SignalBoard
Crypto signals dashboard with AI-powered analysis
LiveCase study β
Experience
Building at the intersection of crypto, AI, and mobile engineering.
Senior Mobile Engineer
Swyftx
Building mobile crypto trading experiences for 700k+ users
Crypto Content Creator
YouTube
70k+ subscribers, educational crypto & DeFi content in Spanish
AI Agent Orchestrator
Independent
Building autonomous trading systems and AI-powered tools
Skills & Tech Stack
React NativeTypeScriptSolidityNext.jsDeFiAI/LLMProductRust
Digital Garden
A collection of semi-organized notes, sketches, and philosophical musings on the web and beyond.
Enter the groveπ³Feb 28, 2026 β’ 8 min read
Why we need more 'Cozy' interfaces
Exploring the intersection of developer tools aesthetics and human-centered design.
Feb 15, 2026 β’ 6 min read
Designing with intent vs. designing with trends
How to build design systems that age gracefully by focusing on principles over patterns.
Products & Links I Use
Tools and services I actually use and recommend. Some links are referral codesβfull transparency. β¨
Hardware Wallets
Let's Stay in Touch
Always open to interesting conversations about crypto, AI, design systems, or just geeking out over good coffee.
