Hi, I'm
Sergio 👋
I build dependable, user-focused web apps with modern React, Next.js, and delightful UI details. Explore a selection of recent work and ideas.
Based in Barcelona · Remote-friendly · EN / ES / CA · Open to collaborations
Current Status
CTO @ Nectios
Open to collaborations
Full-Stack & DevSecOps engineer building secure SaaS for real-world clients.
Senior Full-Stack & DevSecOps Engineer and CTO, helping teams ship secure, observable SaaS platforms and bank-grade infrastructure.
- •Bank-grade infrastructure, security and compliance for an enterprise bank client.
- •Multi-tenant SaaS/PaaS platforms with event-driven and microservices architectures.
- •DevSecOps: Docker Swarm, CI/CD, monitoring, backups, IAM and hardening.
- •Technical leadership as CTO for small, focused engineering teams.
- •Integrating AI (LLMs/ML) into real production workflows and internal tools.
Current Focus
Integrating AI via APIs (LLMs and ML services) into DevOps and SaaS workflows: monitoring, content pipelines and internal tools running in production.
🛠️Technical Arsenal
The stack behind reliable, secure and actually shippable products.
🧩Full-Stack Web
Modern web products from polished UI to reliable backend logic.
🔒DevSecOps & Cloud
CI/CD, security and observability so deployments are safe, boring and reversible.
🧠Architecture & Platforms
Designing multi-tenant, event-driven platforms that can scale and adapt over time.
👥Leadership & Product
Turning business goals into technical decisions, roadmaps and sustainable delivery.
Projects
Selected work. Built with care and performance in mind.
Beyond the Code
Fueling creativity through diverse passions and continuous learning.
Art & Creativity
Exploring the boundaries of digital and traditional art.
"Passion fuels the best work. Whether it's perfecting a yoga pose or debugging a 3D print, the process of learning never stops."
