Shaping digital products through engineering and artificial intelligence.

I'm Arnau (ZendrYz), a Full-Stack Engineer and AI Specialist. I build performant web applications and integrate deep technical solutions to solve real-world problems.

Selected Work

2026 AI Platform

Intellithink Lab

An advanced AI laboratory for developing reasoning LLMs and testing new products month by month. Built from scratch focusing on scalable inference.

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  • PyTorch
  • Next.js
  • Tailwind
2025 EXCLUSIVE INFRASTRUCTURE

Sanctum Host

An elite, high-touch hosting sanctuary. No automation, no noise—only human oversight and guarded performance for a select few.

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  • React
  • Rust
  • PostgreSQL

Technical Expertise

A balanced foundation across the modern web stack and machine learning infrastructure.

Web Development

  • React & Next.js - Building responsive, highly interactive frontends.
  • TypeScript - Ensuring type safety and maintainable codebases.
  • Serverless APIs - Designing scalable endpoints (Node.js, AWS, Serverless).
  • GraphQL - Efficient data fetching and schema driven development.

Artificial Intelligence

  • LLM Fine-tuning - Adapting large models for domain-specific tasks.
  • Neural Networks - Architecting solutions with PyTorch and Python.
  • RAG Systems - Retrieval-augmented generation for robust data querying.
  • TensorFlow & Optimization - Performance tuning for local and cloud models.

Experience

2022 — Present

AI/ML Development

Leading machine learning model development and integrating AI-driven systems. Focused on PyTorch, model optimization, and crafting custom inference endpoints for complex data flows.

2021 — Present

Full-Stack Engineer

Architecting complex web applications, RESTful and GraphQL APIs, and scalable database systems. Driving projects from conceptualization to global deployment.