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Charles BallesterCB

Charles Ballester

Supermalter

SaaS Fullstack Developer | Fast MVP Vue, Node

€500/day
17 projects
Aix-en-Provence, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Charles

🚀 SaaS Fullstack Developer specializing in creating MVPs and custom web applications

I am a freelance fullstack developer with 10+ years of experience in web development. I help startups, entrepreneurs, and SMEs create performant MVPs, SaaS, and web applications.

👉 Goal: Quickly transform an idea into a functional, scalable, and ready-to-use product.

💻 What I develop
MVPs for startups
Custom web applications
SaaS (complete digital products)
Backend APIs (Node.js / NestJS)
Modern Frontend (Vue.js / Nuxt)
⚡ My approach
Rapid and structured development
Delivery of MVPs in a few days
Clean, maintainable, and scalable code
Clear communication and regular follow-up
🛠️ Tech Stack
JavaScript Fullstack Developer:
Vue.js, Nuxt.js, Node.js, NestJS, TypeScript
Databases: PostgreSQL, MySQL, MongoDB
Deployment: Docker, CI/CD, Vercel, Render

👉 I design reliable, high-performance, and scalable web applications and SaaS.
  • English

    Fluent

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Université de Lille
    Study Engineer
    RESEARCH
    August 2022 - May 2024 (1 year and 9 months)
    Lille, France
    • Development of an open-source web app for annotating and synchronizing various music sources
    • Stack: TypeScript, Vue, Express, FS
    • Full management of the frontend, almost full management of the backend
    • Mentoring several developer interns
    Vue.js Node.js DevOps
  • Comptalib
    Front-End Developer Vue.js / Nuxt
    SOFTWARE PUBLISHING
    June 2021 - December 2021 (6 months)
    Paris, France
    • Creation of accounting management software (web app)
    • Stack: Vue, Vuetify, Nest, MySQL
    • Peer-Programming, Squad, Agile - Scrum
    Nuxt.js Vue.js NestJS Node.js
  • Revolugo
    Web Developer
    HOSPITALITY
    May 2018 - November 2018 (6 months)
    Paris, France
    • 6-month internship as part of my training at 42.
    • Stack: Vue, Nuxt, Bootstrap, PostgreSQL, Express
    • Management and training of other interns
    • Creation and use of APIs (Creation of a B2B SaaS product using external data, as well as a widget integrable by clients)
    Node.js Vue.js PostgreSQL

Reviews

4.8

Out of 4 ratings

D

David

Media

Reviewed on 6/14/2022

Charles did an excellent job on a task that required a lot of attention to detail. After mastering the platform without any issues despite its structural complexity, Charles proved to be very available and eager to go beyond what was asked. I look forward to working with him again!
D

David

Media

Reviewed on 9/3/2022

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Education

  • Digital Technology Architect
    42

Certifications

Skill set

Categories