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José Arthur PossacosJA

José Arthur Possacos

DEV AGILE & AI

€600/day
Pau, FR
15+ years

Average response time: 2 hours

Freelancer profile translated to English.
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About José Arthur

👋 Hello,
I am an independent developer and I help SMEs and startups bring their technological projects to life.

👉 The problem?

- Hiring a salaried developer is costly and time-consuming.

- Traditional development often takes months to get a POC or go live.

- Many executives want to focus on their business without getting lost in technical details.

⚡ My solution:
By using AI coding agents, I develop applications faster, more reliably, and at a lower cost:

- Functional POCs in record time to test your ideas.

- Accelerated deployment, with automation of each step to ensure reliability and security.

- Web applications and internal tools tailored to business needs without unnecessary complexity.

🎯 What this means for you:

- Agile and affordable development.

- Time saved to focus on strategy and your clients.

- The certainty of having an operational product, without extra costs or delays.

💬 Shall we talk about it?
I would be delighted to chat with you to see how I can help you launch or accelerate your project.
Contact me directly here on LinkedIn or by email 📩.
  • English

    Fluent

  • Portuguese

    Native or bilingual

  • Spanish

    Conversational

Can work on-site
Pau (up to 50km)

Experience

  • C-LIBRE
    AI CONSULTANT
    AGRICULTURE
    December 2025 - December 2025
    33600 Pessac, France
    Publisher of an ERP for the agri-food sector. Freelance mission of 3 days remotely:
    • Implementation of Cursor rules to improve the understanding and generation of functionalities within the OYA ERP. These rules provide the prompt with product knowledge (Architecture, Database, DevOps).
    • Generation of starter documentation to facilitate the onboarding of new collaborators on the project (Markdown).
    • Generation of rules acting as safeguards in the management of all the tool's configuration properties.
    • Training internal development teams on the use of AI in their daily work (Analysis, Development, Bug Fixing)
    AI Agents Cursor Markdown
  • Administration publique territoriale
    FUNCTIONAL CONSULTANT
    PUBLIC SECTOR
    October 2025 - January 2026 (3 months)
    Paris, France
    Remote mission of 2-3 days per week as a freelance business consultant on their time management application:
    • Migration of data from their current tool to a new tool: preparation of extractions in compliance with destination conditions
    • Regulatory configuration on the current application
    SQL PostgreSQL Chronotime Data Migration
  • C-LIBRE
    DEVOPS ENGINEER
    AGRICULTURE
    December 2023 - July 2024 (7 months)
    33600 Pessac, France
    Publisher of an ERP for the agri-food sector - 11 employees - Revenue: €200,000. In collaboration with project managers, client version management and Jira Administration.
    • Implementation of continuous integration processes for the internal ERP → productivity gain
    • Reliability of the client delivery cycle + advanced Jira administration
    • Centralization of multi-site technical support (agri-food ERP for Andros)
    Bitbucket PostgreSQL Jira/Confluence Java Git

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Education

  • MASTER'S DEGREE IN COMPUTER SCIENCE
    UPPA
    2001
    MAITRISE INFORMATIQUE
  • PROMPT ENGINEER
    2025
    PROMPT ENGINEER

Skill set

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