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Senior Data Engineer, Experimentation Platform

Remote - United States
USD $190,800~$267,100

Reddit is poised to rapidly innovate and grow like no other time in its history, and the Reddit Experimentation Platform is a critical accelerant of that growth.

As an engineering leader on the Experimentation Platform Team, you will have Reddit-wide impact supporting our mission to bring community, belonging, and empowerment to everyone in the world. We are excited about empowering innovation at Reddit through actionable and trustworthy experimentation at scale.

If you’re passionate about building products that change people's lives for the better, developing strategies for improving huge-scale products, building-testing-shipping in weeks (not months), and maintaining high-quality work-life balance, then Reddit will be the perfect home for you.

We are hiring a Senior Software Engineer, who will play a critical role in making Reddit’s experimentation platform world-class.. We seek a candidate who can help translate the statistical methodology of A/B Testing into scalable data pipelines that are flexible, debuggable, and fast. Ultimately, this Software Engineer role will enable the Experimentation Platform Team’s mission to accelerate innovation and growth through actionable, opinionated, and trustworthy A/B testing. You will be exposed to the full lifecycle of data at Reddit, and you will leverage one of the largest and richest datasets in the world.


This role spans a wide variety of responsibilities including: large-scale A/B test computation, experiment metric and health alerting, faster pipeline development, and improving detection and repair time for data pipeline regressions. These capabilities are foundational to providing better experimentation and feature rollout capabilities for Reddit. You will own data quality for crucial measurements at Reddit, and serve as a primary resource for data expertise and experimentation trustworthiness.

A successful candidate will work as part of a team to:

  • Design, develop, scale, and support Reddit’s experimentation platform data pipelines.
  • Develop and operate high scale data products with a focus on live site reliability, trustworthiness of analyzed data, and debuggability/actionability for feature teams.
  • Monitor, improve, and guarantee the quality and trustworthiness of data being used to make decisions across Reddit.
  • Define and manage SLAs for datasets that support production experimentation.
  • Increase developer efficiency through automation, improved signals, workflow streamlining and system optimization.
  • Collaborate cross functionally within the Experimentation Platform Team and across the whole company to find technical solutions to complex design challenges.


  • 4+ years experience working with large scale ETL systems (implementation, strategy, and maintenance).
  • 4+ years of post-grad, non-internship, professional experience building clean, maintainable, object-oriented code in a production environment. 
  • Strong SQL language proficiency. 
  • Proficiency working with an object-oriented programming language (Python preferred) in a production environment.
  • Excellent communication skills to collaborate with cross-functional stakeholders at all levels of the company.
  • Preferred: Proficiency with Airflow (or similar data/ETL tools) in a production environment.
  • Preferred: Experience with large-scale database/data warehouse systems like Google BigQuery. 
  • Preferred: Experience working with A/B testing at scale.

Reddit has a flexible workforce!  If you happen to live close to one of our physical office locations our doors are open for you to come into the office as often as you'd like. Don't live near one of our offices? No worries: You can apply to work remotely from anywhere in the United States, or Ontario and British Columbia, Canada.


  • Comprehensive Healthcare Benefits
  • 401k Matching
  • Workspace benefits for your home office
  • Personal & Professional development funds
  • Family Planning Support
  • Flexible Vacation (please use them!) & Reddit Global Wellness Days
  • 4+ months paid Parental Leave
  • Paid Volunteer time off


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