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Farouk B.FB

Farouk B.

Tech Lead Freelance | LLM SaaS MVPs | React/NodeJS

€550/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Farouk

Freelance Tech Lead – 12 years of experience
I transform startup ideas into production-ready SaaS MVPs 60% faster using the React / Node.js duo and scalable AWS architecture.
I integrate AI (LLM / GPT / OpenAI, LangChain) to automate content & insights while maintaining 99%+ uptime.

• Domains: Transport (RATP), HR SaaS (Staffdesk), Web3 (Gateway)
• Stack: React, Node.js, TypeScript, PostgreSQL, AWS, Docker, n8n, LangChain, WebSockets
• Added Value: clean code, fast delivery, clear playbooks & docs, team mentoring

Available for full-remote or occasional on-site missions.
Let's talk about your roadmap!
  • French

    Native or bilingual

  • English

    Native or bilingual

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

Experience

  • Staffdesk
    Tech Lead
    HUMAN RESOURCES
    March 2024 - Today (2 years and 3 months)
    Paris, France
    - Complete redesign of Staffdesk, initially an internal HR tool (used by the Actual group), into a scalable HR analytics SaaS platform, powered by AI.
    - Integration of LLMs to generate automated insights, reducing HR team time spent on reporting by over 60%.
    - Design of a clean and modular backend architecture with PostgreSQL and Express, ensuring KPI consistency across the application.
    - Creation of interactive dashboards with React and ApexCharts, enabling HR managers to steer their workforce more quickly and effectively.
    - Removal of legacy code and implementation of best practices (automated tests, linting, CI), ensuring long-term quality and maintainability.
    - Management and mentoring of a team of 3 developers; close collaboration with HR teams to co-build key product features.
    - Implementation of a high-performance CSV export system for large-scale complex data management.
    - Direct contribution to the transformation of Staffdesk into a multi-client B2B solution ready for industrialization.
    LLM Tech Lead React.js Node.js Project Management
  • RATP
    Technical Lead
    TRANSPORTATION
    July 2023 - Today (2 years and 10 months)
    Paris, France
    - Technical leadership in the development of a management application for RATP welcome hosts, aligned with major events in Paris.
    - Management of a team of programmers, fostering a culture of excellence and innovation.
    - Design and development in React and NodeJS, with a robust backend architecture via MEAN Stack.
    - Technical project management, ensuring delivery on time and with quality for the 2023 Rugby World Cup and the 2024 Olympic Games.
    - Optimized use of AWS and Amazon S3 for data management and storage, PostgreSQL and Sequelize.js for database management.
    - Implementation of quality assurance practices with Jest, monitoring with Datadog, and deployment via Docker and Kubernetes.
    - Close collaboration with teams to ensure a fluid user experience with Material-UI.
    - Smooth communication between technical and operational stakeholders, ensuring alignment of objectives and satisfaction of requirements.
    Tech Lead React.js Node.js Kubernetes Typescript Docker
  • Gateway
    Blockchain Developer
    May 2022 - Today (4 years and 1 month)
    New York, NY, USA
    1. Understand how the application works, its purpose, and how it interacts with the different codebases Gateway runs and the infrastructure these codebases run on. 2. Build the connection to Ceramic Network and submit a data model. 3. Connect smart contract mints to a Ceramic Stream URI. 4. Create documentation for the application. 5. Fix bugs found in the application. 6. Assist in critical infrastructure development, including but not limited to, the EventListener, the new AWS database, the Postgre SQL database, etc. 7. Deploy a smart contract on Solana using Rust. 8. Create new feature sets based on parameters provided by the design and product teams. 9. Transfer knowledge about the application to other team members. 10. Work on finding more efficient techniques for building and scaling the application.

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Education

  • Software Architect, Information Technologies
    EPITECH - European Institute of Technology
    2020
    Architecte logiciel, Technologies de l''information
  • Bachelor's Degree in Computer Science, Information Technologies
    Université Paris Descartes
    2018
    Licence Informatique, Technologies de l''information

Skill set

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