1. What is a Data Engineer at Reddit?
As a Data Engineer at Reddit, you will design, build, and scale the data systems that power one of the most visited websites in the world. With hundreds of millions of active users generating massive volumes of posts, comments, votes, and clicks every single day, data is the lifeblood of Reddit. The data infrastructure you build directly influences critical product decisions, ad targeting algorithms, search functionality, and community safety initiatives.
Your work will involve handling data at petabyte scale, translating raw user interactions into structured, high-performance data lakes and warehouses. You will be responsible for ensuring that product managers, data scientists, and machine learning engineers have access to reliable, real-time, and batch-processed data. This role requires a unique blend of software engineering discipline and deep data domain expertise to keep Reddit's data pipelines running efficiently around the clock.
Joining Reddit as a Data Engineer means solving complex distributed systems challenges that few other companies face. You will work on optimizing pipeline performance, reducing query latency, and managing the cost of massive cloud-based data warehouses. It is a highly collaborative and impactful role where your technical decisions will shape the user experience for millions of communities worldwide.

