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Khalil AbidKA

Khalil Abid

Data Engineer

€700/day
Paris, FR
3-7 years
Python
SQL
Data Engineer
PySpark
ETL/ELT

Average response time: 1 hour

Freelancer profile translated to English.
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About Khalil

Senior Data Engineer with 6 years of experience in designing large-scale data platforms in banking and fintech. Expert in Python, Spark, and distributed systems, with a strong background in automation, performance optimization, and LLM-assisted development. Proven in delivering end-to-end pipelines, improving data quality, and accelerating deployments within international teams.
Banking and Financial Services
Digital and IT Services

  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Native or bilingual

  • German

    Basic

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

Experience

  • BNP Paribas
    Data Engineer
    March 2023 - Today (3 years and 4 months)
    Paris, France
    • Delivered and maintained over 20 data engineering projects with varying complexity, performance constraints, and regulatory requirements, within the DataHub team supporting multiple bank entities.
    • Designed and developed end-to-end ingestion and transformation pipelines, collaborating with business analysts and technical teams to refine needs and ensure smooth production deployments.
    • Preprocessed and transformed raw data into usable formats, ensuring smooth routing across different S3 layers using Python and PySpark.
    • Alpha-tested local generative AI models and provided feedback to improve their performance, and used assistants to accelerate pipeline development and documentation on 10+ projects.
    • Implemented automated data quality checks and report generation to ensure data reliability and governance.
    • Optimized the performance of existing processes across multiple concurrent projects, drastically reducing processing times and improving overall system efficiency.
    • Proactively designed and developed automation tools used by 40+ users in 4 countries, eliminating manual tasks and accelerating deployments. accelerating production releases.
    TECHNOLOGIES: Python, Pyspark, SQL, Microsoft SQL Server, Git, Bitbucket, Jenkins, S3, Autosys, Docker, Local LLMs, Jira
    Python PySpark SQL Git LLM
  • APTEA
    Data Engineer
    September 2022 - February 2023 (5 months)
    Paris, France
    • Designed an end-to-end data extraction pipeline and an API to analyze text and style elements of unstructured documents, transforming them into schemas for template-based generation.
    TECHNOLOGIES: Python, Pandas, Text processing, Git, Flask, Postman
  • Value
    Data Engineer
    October 2021 - August 2022 (10 months)
    Tunis, Tunisia
    • Built an enterprise Data Warehouse from scratch for BIAT's Risk and Banking Operations teams by designing scalable pipelines (Pyspark, Talend) to process vast volumes of financial data.
    • Delivered bi-weekly demos to banking stakeholders, ensuring alignment and transparency throughout the project.
    • Orchestrated the ingestion and transformation of complex data from multiple banking platforms (Oracle, Temenos T24, SWIFT APIs), converting unstructured XML streams into optimized Data Warehouse schemas.
    • Proactively designed Python tools that reduced development cycles by up to 10x, limited human errors, and enabled exhaustive validation detecting anomalies invisible through manual QA.
    • Redesigned the architecture to introduce parallel processing, reducing processing windows by up to 6x while applying strict data encryption and confidentiality standards.
Check out Khalil's experience

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Education

  • Computer Engineering Degree
    ENSIIE, National School of Computer Science for Industry and Business
    2019
    Cycle d'ingénieur en informatique
  • Master M2 TRIED in Big Data
    Université Paris Saclay
    2019
    Master M2 TRIED en big data
Check out Khalil's education

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