You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Boris MarchandBM

Boris Marchand

Senior Solution Engineer

€700/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Boris

Business process automation specialist with 10+ years of experience in optimizing existing systems under constraints. Expert in transforming manual workflows into automated solutions delivering 90%+ efficiency gains in environments with limited resources, tight deadlines, and legacy infrastructure. Pragmatic approach prioritizing measurable results and rapid deployment.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Portuguese

    Basic

Can work on-site
Paris (up to 10km), Bordeaux (up to 10km), Lyon (up to 10km), Toulouse (up to 10km)

Experience

  • Natixis CIB
    Solutions Engineer Lead
    BANKING AND INSURANCE
    May 2024 - May 2025 (1 year)
    Paris, France
    - Designed and developed an automation platform for 11 pipelines (ETL type) reducing counterparty risk processing time by 90% (from 2 hours to 5 minutes), enabling 11 analysts to process 17GB of data daily from 90 distinct sources.

    - Expanded the initial scope (PowerBI scripts) to a comprehensive enterprise platform by adopting an agile methodology, moving from 25 weekly deployments in the prototyping phase to stabilized bi-monthly production cycles.

    - Mentored a team of 3 engineers to implement a dual deployment strategy (Flask test environment and IIS/SQL Server production) with automated morning execution.

    Python, PySpark, Flask, SQL Server, IIS Server, SQL, Powershell, Power BI
    Python PySpark SQL Server IIS Microsoft Power BI
  • Euler Hermes
    Senior Solution Engineer
    BANKING AND INSURANCE
    January 2023 - January 2024 (1 year)
    Paris, France
    - Led the constrained migration from ToadDb2 to AWS, achieving a 5x performance improvement (80% reduction in processing time) on 30 global pipelines through the optimization of concurrent Python processes and Athena queries.

    - Transformed the business process by enabling the shift from annual to quarterly backtesting (multiplying frequency by 4), serving 30 business units globally with over 150 datasets.

    - Designed an intermediate data mart by mapping 70 critical data points, extending added value beyond the initial scope to serve 8 to 12 cross-functional teams.

    Python, PySpark, AWS, Athena, Lambda, Glue, S3, EC2, SQL, Powershell, Bash, R, Power BI
    Microsoft Power BI PySpark Python AWS S3 AWS Lambda
  • BNP Paribas CIB
    Senior Solution Engineer
    BANKING AND INSURANCE
    March 2022 - January 2023 (10 months)
    Paris, France
    - Achieved a 10x performance improvement by taking over an R-based RWA pipeline system: reverse-engineered an undocumented legacy system, migrated to a Python/PySpark architecture processing 20GB weekly from 40 sources.

    - Mentored 2 junior developers through a complex technological modernization while maintaining uninterrupted production continuity during the critical departure of an analyst.

    Dataiku, Python, PySpark, SQL, R, Power BI, Powershell, Bash
    Dataiku Python PySpark SQL

Recommendations

Be the first to recommend Boris

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Data Science Certificate
    Télécom Paris
    2020
  • MA Management
    The University of Nottingham
    2009

Certifications

  • AMF Certification
    AMF
    2011
  • CFA Level 1
    CFA Institute
    2016

Skill set

Categories