Data & Software Engineer Intern

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 600 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. 

Data at Ledger

As a data driven company, we ensure all major decisions are backed by data. To continue meeting that goal, we are looking for an intern to reinforce our data engineering team.

You will be responsible for optimizing our new data platform, building and maintaining reliable data pipelines. The ideal candidate is a software builder who will enjoy optimizing data systems and building them from the ground up in a fast paced environment and innovative space (blockchain is one of our key data sources!). You will also support data analysts and data scientists on data initiatives.

This internship will be a valuable opportunity to gain hands-on experience in all the aspects of a modern data stack: software engineering best practices, DevOps, SecOps concerns, Cloud infrastructure, legal compliance, etc.

Start date: As soon as possible

Length of internship: 6 months

Your mission

• Work on data extractions from various sources (relational databases, API, flat files, etc.) and their transformations
• Perform code reviews to guarantee code quality
• Monitor data pipelines and investigate discrepancies
• Contribute to migration of existing pipelines on AWS
• Contribute to the improvement of the data engineering stack. We are an open-minded team and your opinion will be valued


Team tech stack
• ELT: custom development (Python, SQL), Fivetran, Stitch, Adverity + dbt
• Cloud: AWS
• DWH: Redshift, migration to Snowflake underway
• Orchestration: Airflow
• BI: Tableau, Mixpanel
• Versionning: Github
• IaC: Terraform

What we're looking for

• Fluent English
• SQL & Python are among your best friends
• You know how to fix conflicts in Git


Plus points:
• Airflow, dbt, Snowflake, Github Actions
• Knowledge about crypto
• Experience working with Cloud infrastructure (ideally AWS)

What’s in it for you?

• Flexibility: A hybrid work policy
• Social: Frequent social events, snacks and drinks
• High tech: Access to high performance office equipment and gadgets, including Apple products
• Transport: Ledger reimburses 75% of your preferred means of transportation
• Food: We offer lunch vouchers with Swile
• Vacation: 1 day off for every full month worked

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-AS