Founding Data Platform Engineer

Zefir; Paris; Hybrid; EUR 85,000 - 94,000; Full time

Benefits offered by this job

Stock options

Healthcare plan

Office in Le Peletier, Paris

Swile meal card

Swile mobility card

Team events

Job summary

Zefir, a France-based proptech venture, is seeking a Data Platform Engineer to own the semantic layer, data contracts, and governance across Growth, Finance, Ops and Product. You will shape canonical models, KPI definitions and secure BI primitives for self-serve analytics.

You will work with BigQuery/Snowflake, dbt, SQL, Python, Airflow and related tools to ensure accurate, auditable metrics while enabling cross-functional teams to build reliable dashboards with proper access controls.

Qualifications

• Extensive experience with modern data stack and data modeling.
• Strong SQL writing and performance tuning.
• Experience shipping event tracking end-to-end including GDPR considerations.
• Ability to own semantic layer and metrics definitions.
• Fluent in English and French.

Responsibilities

• Own canonical semantic layer and metric definitions.
• Define data contracts between engineering and analytics teams.
• Build self-serve BI primitives with security controls.
• Establish governance for event taxonomy and tracking.
• Ensure platform reliability, data freshness and cost controls.
• Collaborate with Growth, Finance, Ops and Product.

Skills

BigQuery

SQL

Data modeling

Python

dbt

Airflow

Orchestration

Tools

Airflow

Dagster

Prefect

Fivetran

Airbyte

Hightouch

Segment

Job description

Zefir, a France-based proptech venture, is seeking a Data Platform Engineer to own the semantic layer, data contracts, and governance across Growth, Finance, Ops and Product. You will shape canonical models, KPI definitions and secure BI primitives for self-serve analytics.

You will work with BigQuery/Snowflake, dbt, SQL, Python, Airflow and related tools to ensure accurate, auditable metrics while enabling cross-functional teams to build reliable dashboards with proper access controls.