I will build professional fullstack web or mobile applications

A
alejandro_lad
A
alejandro_lad
Alejandro L
build professional fullstack web or mobile applications
Full Screen
build professional fullstack web or mobile applications
Full Screen
Full Screen
build professional fullstack web or mobile applicationsbuild professional fullstack web or mobile applicationsbuild professional fullstack web or mobile applications

About this gig

My Development Lifecycle & Quality Assurance


Logic & Architecture Design

  • I will: Define the database schema (SQLite/PostgreSQL), API endpoints, and wireframes for the UI.
  • You will get: A technical document or a Figma/wireframe mockup and a confirmed project roadmap.

Core Backend & API Development

  • I will: Set up the server-side logic, User Authentication (JWT), and the basic database integration.
  • You will get: Access to a Swagger/Postman collection or a "staging" backend where they can see the API responding.

Frontend Integration & UI

  • I will: Build the React or React Native interface and connect it to the backend developed in Milestone 2.
  • You will get: A functional Beta version of the app (APK for mobile or a live URL for web) to test.

Bug Fixes & Handover

  • I will: Optimize performance and transfer the GitHub repository.
  • You will get: The final source code and, if requested, the app deployed to the store or cloud.

  • Programming language

    • TypeScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Frontend framework

    • Flutter
    • Next.js
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Django
    • FastAPI
    • Flask
    • Laravel
    • NestJS

  • AI & low/no code builders

    • Other

Get to know Alejandro L

Alejandro L

Software Developer

  • FromSpain
  • Member sinceMay 2026
  • Avg. response time1 hour

  • Languages

    English, Spanish, French
I am experienced in full-stack development. I have led the development of complex modules and architected event-driven serverless workflows. I am skilled in technologies like NestJS, React Native, Elasticsearch, and AWS Lambda among others.

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