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Sergi Conejo Monfort

Open to Work

Self-taught frontend developer with +1 year experience in remote. Focused on performance, SEO, accessibility and user experience. I value feedback and care about the details that make a difference.

Technologies

Experience

+1 year at a StartUp Minded. Products developed:

Mi vida en espera

Web application inspired by TikTok and Instagram Reels.

View website

Includes advanced search with filters, likes, nested comments, notifications and user profile with history, saved posts and account management.

Authentication and password recovery using Auth.js, Google OAuth and email verification via Nodemailer.

Implements infinite scroll, protected dashboard routes and SQLite3 database (Turso) managed with better-sqlite3.

Project developed individually for a client.
  • Tailwind
  • React
  • Next
  • Auth
  • NodeMailer
  • SQLite3
  • Turso

SM Copilot

SaaS product for guiding and validating startups using specialized AI agents.

Built with a hybrid architecture (Astro + Solid), combining static rendering with an interactive private dashboard using Astro Islands.

Includes project management (CRUD), keyboard-navigable search, multi-step forms with persistent state and exportable chat.

Google OAuth authentication using Auth.js and auth-astro, with freemium access and server session control.

Client-side validations, non-intrusive notifications and optimistic UI updates with automatic rollback.

Frontend developed individually for the startup.
  • Tailwind
  • Astro
  • Solid
  • Auth

About Me

My workspace with my treadmil, height adjustable desk, ultrawide monitor and a vertical monitor

I have always enjoyed understanding how things work. I started assembling computers and ended up building software.

I trained as a fullstack developer building a real-time chat application and later specialized in UI/UX design. Starting as a designer and QA helped me understand every part of the product and its impact. I see frontend as a strategic layer: architecture, scalability and purpose.

Beyond development, I participated in organizational decisions: documented APIs, defined roles and processes, interviewed candidates. Proposed improvements after delivery to enhance team comunication and efficiency.

I care about technical detail as much as user experience. I work with a critical mindset and open to feedback.

Technology should serve the product, not the other way around.