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Keshav RamassamyKR

Keshav Ramassamy

Analytics Engineer

€400/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Keshav

Expert DBT & Analytics Engineer: I transform your raw data into decisions, and I empower your teams.
I bridge the gap between data and business, simplify complex topics, and train your teams to drive their activity with a data-driven vision.

This involves designing and ensuring the reliability of your end-to-end data stack (dbt modeling, testing, documentation, governance), building actionable dashboards, and making your business teams autonomous and data-driven.

Some concrete results:
- Complete DBT migration that halved execution times
- Self-service platform deployed and adopted by about fifteen people (Sales, Marketing, Customer Success, Product, C-Levels)
- Marketing tracking and attribution monitoring built from scratch, saving approximately €100k in advertising spend.
- Complete CRM migration: governance and data quality to ensure business continuity and CRM optimization on Hubspot.

My stack: dbt, advanced SQL, Python, PostgreSQL, AWS, Airbyte, Segment, Prefect/Airflow, Metabase. Direct and fast transpositions to BigQuery, Snowflake, Redshift, Looker, Power BI, Databricks.

My added value: I work in AI-native mode. I integrate Claude Code/Cursor, MCPs, and agents into my analytics workflow daily to go faster while maintaining quality.
Autonomous, data-rigorous, and business-impact oriented.

I design data pipelines for daily use and empower my teams through data.
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

Can work on-site
Paris (up to 50km), Lille (up to 50km), Bordeaux (up to 50km), Lyon (up to 50km)

Experience

  • Chance
    Analytics Engineer
    EDUCATION AND E-LEARNING
    October 2023 - July 2026 (2 years and 9 months)
    Paris, France
    **Data Modeling & Ownership dbt**: Technical referent for the dbt project, responsible for the architecture, quality, and evolution of production models in response to product and business logic changes.


    • •Refactoring & Maintenance dbt**: Restructuring an architecture of **500+ dbt modelsand SQL optimization to **reduce daily execution times by nearly 50%**.

    • • **Self-Service Analytics**: Deployment of the Self-Service platform in Metabase and a documented data catalog, with training for 15+ users across 5 departments (**Sales, Marketing, Customer Success, Product, Education, C-Levels**...).

    • • **Marketing Analytics**: Creation from scratch of the data architecture and models covering the complete funnel (session tracking, multi-touch attribution), providing daily analytical support to Growth/Marketing teams for monitoring and optimizing advertising spend, ensuring **savings of over €100,000**.

    • • **Automation & AI**: Development of low-code workflows to streamline CRM & Sales Ops operations.

    • • **BI & Performance**: Cross-functional dashboards (product, marketing, sales monitoring); cockpit enabling CS teams to be 100% data-driven daily.

    • • **Data Ops & Orchestration**: Design and maintenance of data transformation and ingestion DAGs, ensuring reliability and monitoring of production pipelines (Prefect). Pipeline monitoring (Airbyte, Segment CDP, Airflow), migration to HubSpot CRM, and daily data support to teams.
    DBT SQL Self-service BI Marketing Orchestration

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Education

  • Computer Science Bachelor's Degree
    CY Tech
    2026
    Licence en Informatique

Skill set

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