Junior Data Engineer

Stack

Responsibilities

• ▹Grow and consolidate the data warehouse, extending the scope of payment and product data
• ▹Model payment flows to provide reliable data for reporting and decision-making
• ▹Develop integrations into the data warehouse (ETL/ELT pipelines)
• ▹Model raw data into clean tables (fact/dimension tables, right granularity)
• ▹Automate processing with Python scripts
• ▹Build clear dashboards for business teams
• ▹Define and implement data validation tests
• ▹Shape the data and ETL/ELT architecture with the Head of Data and gather data needs from the payment and product teams

Requirements

• ▹Junior level, 0-2 years of experience
• ▹Hands-on data projects (personal, academic or internships) showing very solid SQL and Python and strong data engineering fundamentals
• ▹Solid SQL
• ▹Solid Python
• ▹Git and Unix commands
• ▹Data modeling fundamentals: fact/dimension tables, right granularity
• ▹Warehouse maintenance fundamentals: full vs incremental loads, merge/upsert, re-runnable/idempotent pipelines
• ▹AI native: proficient with AI coding tools (Claude Code preferred, Cursor/Copilot ok)
• ▹Appetite for a startup environment
• ▹Fluent English (working language)

Nice to have

• ▹dbt, Dagster
• ▹A cloud warehouse (BigQuery, Snowflake...)
• ▹Experience with payment processor data
• ▹Experience with online payment data and APIs
• ▹French (the office is in Lausanne)

Soft skills

What we offer

• ▹Work from any country in Europe
• ▹Coworking budget up to 200 euros per month
• ▹Tailor-made vacations
• ▹Flexible hours
• ▹One month per year working remotely from a different time zone
• ▹Equipment budget (laptop, desk, chair, screen, headset)
• ▹Two offsites per year
• ▹Lausanne office: modern offices, gym access, parking, commuting contribution
• ▹Direct mentorship from the Head of Data
• ▹Founding role: shape architecture, pipelines and tooling

About the company

DotWorld is a Venture Builder and SaaS Studio running several subscription SaaS products in parallel. Its fully distributed team is 90% remote.