Available for new projects

Fernando Mendezbuilds with AI.

Full-stack developer specialised in AI-powered apps: LLM chatbots, RAG systems and automation pipelines with React, TypeScript and Next.js. Based in Venezuela, working with clients anywhere.

Every project, logged from kickoff to launch.

What I built, for whom, and the decisions along the way. Client projects and my own products come with a dated logbook of how they were made.

Cíl practice screen: goal chips for B1, B2 and C1, a goal card and topic cards such as Present perfect and Passive voice

ProductNewOwn product · Android, Windows and web · 2026

Cíl

A study app for the Cambridge B1, B2 and C1 exams. Every exercise explains why the answer is right, mock tests mark you part by part, and an optional AI review comments on your writing. No account: everything stays on the device and works offline.

Levels
B1 · B2 · C1
Platforms
Android · Windows · Web
Built in
2 days
  • Flutter
  • Dart
  • Vercel Functions
  • Groq
  • Anthropic
Amarhte home page: the headline "Empieza por amarhte" next to a photo of the waiting room

ClientWellbeing studio · Madrid · 2026

Amarhte

A trilingual website for an integral-wellbeing studio. Instead of a price list, it helps each visitor find their path: a feelings selector, a guided breathing pause and an Ayurvedic dosha test, each ending in a WhatsApp conversation or a booking on Cal.com.

Built in
22 days
Commits
98
Languages
ES · EN · PT
  • Next.js 16
  • TypeScript
  • next-intl
  • Cal.com
Trayecto home page: the headline "Tu futuro no tiene fronteras" next to a dotted globe

ProductFounder · trayecto.app · 2026

Trayecto

An AI system that helps people in Latin America build an international remote career. Vision helps them decide where they are going; Ascend handles the job search, from CV and cover letters to applications and interviews. It began as FPY Academy, a learning platform.

Commits
447
Test files
49
Languages
ES · EN · PT
  • Next.js 15
  • TypeScript
  • Prisma
  • Groq
  • NextAuth
  • PWA

ClientCollab Collective Studio · Miami · 2026

Collab Map

A field-sales platform coordinating reps across 3,000+ retail stores. Three Airtable bases and Supabase (PostGIS) meet in one real-time map with a route optimizer (NN → 2-opt → 3-opt), Kalman-smoothed GPS check-ins and in-app navigation.

Stores
3,000+
Visit logging
4× faster
  • Next.js
  • TypeScript
  • Supabase
  • PostGIS
  • Google Maps
Private · built at Collab Collective Studio
  • STRATASocialFi · 2026

    A "Twitter for on-chain real estate": Fan-Out-on-Write feeds, Sign-In with Ethereum with replay protection, HMAC sessions and CSP hardening, covered by 29 Vitest tests.

  • ContentFlowOpen-source AI pipeline · 2026

    Monitors RSS and Reddit, scores trending topics with Gemini and Llama 3.3, and drafts posts for human review, with per-draft token and cost transparency.

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Open to freelance work, remote full-time roles, and AI & automation projects. I reply within 24 hours.