Data Engineer



Software Engineering, Data Science
Paris, France
Posted on Thursday, May 23, 2024
We're making the world of digital assets accessible and secure for everyone. Join the mission.
Founded in 2014, Ledger is the global platform for digital assets and Web3. Over 20% of the world’s crypto assets are secured through our Ledger Nanos. Headquartered in Paris and Vierzon, with offices in UK, US, Switzerland and Singapore, Ledger has a team of more than 500 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow and manage crypto assets – including the Ledger hardware wallets line with more than 6 millions units already sold in 200 countries.
At Ledger, we embody the values that make us unique: Pragmatism, Audacity, Commitment, Trust and Transparency. Hear from our employees how they shape the work we do here.
As a data driven company, Ledger wants to ensure all major decisions are backed by data. To continue meeting that goal, we are looking for a Data Engineer to reinforce our data engineering team.
You will be responsible for optimizing our data pipeline architecture, building and maintaining reliable data flows.

The mission

  • Dive into the world of data, extracting insights from diverse sources like relational databases, APIs, and flat files, while mastering the art of transforming raw data into meaningful information.
  • Ensure code quality through meticulous reviews, ensuring our data pipelines are as robust as they are efficient.
  • Monitor data pipelines, swiftly addressing any anomalies and ensuring seamless operations.
  • Contribute to the migration of existing pipelines from our legacy systems to a new state-of-the-art data platform centered around Docker containerized pipelines in AWS and Snowflake.
  • Support the rest of the team in the data-related projects: generative AI, API development, anomalies detection, etc.: you are sure to find something fitting your interest
  • Fuel innovation by contributing to the enhancement of our data toolkit. Your ideas and expertise will be integral to our continuous evolution. In our team, creativity and collaboration thrive, and your voice matters.
  • Tech stack :
  • ELT: custom development (Python, SQL), Fivetran, Stitch, Adverity + dbt
  • Cloud: AWS (MWAA, Lambda, Fargate, S3, CloudWatch, etc.)
  • DWH: Redshift, migration to Snowflake underway
  • Orchestration: Airflow
  • BI: Tableau, Mixpanel
  • Versionning: Github
  • IaC: Terraform

What we're looking for

  • At least 3 year of relevant experience in data engineering
  • Experience working with AWS infrastructure
  • Fluent English
  • SQL & Python are among your best friendsYou know how to fix conflicts in Git
  • Bonus points :
  • Airflow, dbt, Snowflake
  • Knowledge about crypto

What's in it for you?

  • Equity: Employees are the foundation of our success, and we award stock options so you can share in that success as we grow.
  • Flexibility: A hybrid work policy.
  • Social: Annual company outing for Ledgerdary Days, plus frequent social events, snacks and drinks
  • Medical: Comprehensive health insurance policy offering extensive medical, dental and vision care coverage.
  • Well-being: Personal development, coaching & fitness with our dedicated partners.
  • Vacation: Five weeks of paid leave per year, in addition to national holidays and rest & relaxation (RTT) days.
  • High tech: Access to high performance office equipment and gadgets, including Apple products.
  • Transport: Ledger reimburses part of your preferred means of transportation.
  • Discounts: Employee discount on all our products.
We are an equal opportunity employer for all without any distinction of gender, ethnicity, religion, sexual orientation, social status, disability or age.
#LI-Hybrid #LI-RDH