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Kais BettaiebKB

Kais Bettaieb

Full Stack Python Developer

€500/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Kais

Motivated developer, I specialize in the design and development of innovative applications and data-driven solutions using Python, FastAPI, Celery, and Pandas.
My expertise covers the entire project lifecycle, from design to workflow optimization, while managing DevOps aspects to ensure smooth and reliable deployment.

  • Arabic

    Native or bilingual

  • English

    Fluent

  • French

    Fluent

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

Experience

  • Société Générale
    Python Backend Developer
    March 2021 - Today (5 years and 3 months)
    Context: Participation in the development of tools aimed at optimizing and monitoring the operational costs of internal service offerings provided by Société Générale (SG). The objective was to modernize the invoice management system, streamline data collection and processing, and better track the financial evolution of service usage. Key achievements and responsibilities:
    • Initiated a project to optimize service operational costs, leading to significant savings and improved efficiency.
    • Designed and developed a distributed ETL application in Python, dedicated to extracting and transforming various data into actionable financial indicators, thereby reducing operational costs.
    • Developed APIs to expose backend data and functionalities, facilitating integration with other systems.
    • Implemented and maintained CI/CD pipelines to ensure reliable delivery and deployment processes.

    Technologies used: Python, Pandas, SQLAlchemy, PostgreSQL, Asyncio, Celery, RabbitMQ, FastAPI, Uvicorn, Nginx, Graphene (GraphQL), Jenkins, Kubernetes, Docker, SonarQube, Vault, Power BI, ElasticSearch

    Delivery to date: The developed tool collects raw data from various sources, transforms it into actionable financial information, and makes it available through PowerBI dashboards. The solution is currently in production.
  • Société Générale
    Backend Developer
    February 2020 - September 2020 (7 months)
    Context: Development and implementation of an intelligent chatbot designed to assist developers by answering their technical questions, by leveraging a centralized knowledge base.
    Key achievements and responsibilities:
    • Designed and developed REST APIs using Python and Flask, to expose chatbot functionalities and facilitate integration with other systems.
    • Created an intelligent chatbot based on artificial intelligence tools, developed with Rasa.
    • Implemented and integrated automation solutions for deployment and continuous integration.
    Technologies used: Python, Flask, Connexion, Rasa, GitHub, Jenkins Pipeline, Docker, Kubernetes

    Delivery to date: The developed chatbot can clearly and accurately answer user questions by drawing on a knowledge base hosted on GitHub.
  • EuraNova
    Backend Developer Intern
    June 2017 - September 2017 (3 months)
    Context: Implement a tool for extracting and labeling company logos from video and image streams and storing them in a database in matrix format.

    Key achievements and responsibilities:
    • Developed a web application for labeling videos and images.
    • Managed all Agile aspects using the SCRUM methodology.
    Technologies used: Python, OpenCV, Flask, Html/CSS, JavaScript, jQuery, twig, MySQL, SQL Alchemy.

    Delivery to date: The delivered tool allows for the extraction of logos from videos and images and their storage in a MySQL database.

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Education

  • Computer Engineering
    School of Engineering and Technology – ESPRIT
    2020
    Ingénieur en informatique

Skill set (14)

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