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Staff Software Engineer - Experimentation Platform

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Posted 4 days ago

Job Type

Full Time


$207k - $289k








  • Contribute to Reddit's mission of bringing community, belonging, and empowerment worldwide through innovation and growth via the Experimentation Platform.

  • Lead in building, scaling, and supporting Reddit's Experimentation Platform, working on architecting new features, frontend infrastructure, and best practices adoption.

  • Opportunities for professional growth through technical leadership, complex design challenges, and collaboration across all Reddit teams with exposure to cutting-edge technologies.


Reddit is a community of communities. It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 73+ million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit .

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 Staff Engineer, who will play a critical role in making Reddit’s experimentation platform world-class. We seek a candidate who can bridge the gap between our user-facing features and the underlying infrastructure. Ultimately, this Engineer role will drive the Experimentation Platform Team’s mission to accelerate innovation and growth through actionable, opinionated, and trustworthy A/B testing.


This role spans a wide variety of responsibilities, ranging from building new experimentation platform features, architecting frontend infrastructure, and directing the evolution and adoption of best practices and standards that support experimentation across all Reddit teams and organizations.

You will be instrumental in architecting, implementing, and maintaining a state-of-the-art experimentation platform that powers experimentation across all of Reddit. This includes, but is not limited to, building new features into our A/B testing experimentation platforms, building new data products related to experimentation, working cross-functionally to find solutions for the needs of different teams, and improving monitoring and alerting. A successful candidate will work as part of a team to:

  • Design, develop, scale, and support Reddit’s Experimentation Platform.

  • Develop and operate high scale data products with a focus on live site reliability, trustworthiness of analyzed data, and debuggability/actionability for feature teams.

  • 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.

  • Participate in the full development cycle: design, development, impact assessment, and deployment.

Required Qualifications:

  • 7+ years of hands-on, post-grad, non-internship, professional Software Development experience with at least 4+ years focus on full stack software engineering.

  • Proficiency in front-end technologies, including TypeScript/JavaScript with experience in component frameworks (React, Angular, Lit).

  • Experience with Postgres/SQL database systems, ideally applied in a large-scale data analysis product (Google BigQuery preferred).

  • Some familiarity with cloud platforms like AWS, Azure, or Google Cloud.

  • Demonstrated experience in developing end-to-end web applications, from database design to user interface implementation.

  • Demonstrated ability to integrate front-end and back-end systems efficiently.

  • Excellent communication skills. You must be able to collaborate effectively with teams in a fully-remote environment, and negotiate complex requirements with technical and non-technical stakeholders.

Preferred Qualifications:

  • Technical leadership experience with a data analysis platform. Understanding of the basics of A/B testing, experimentation, feature rollout, and dynamic configuration.

  • Proficiency in backend technologies, including Python and SQL.

  • Experience building or using A/B testing infrastructure as well as building analytics tools or data products.

  • Demonstrated ability to lead a team of developers, providing technical guidance, mentorship, and support.

  • Experience mentoring engineers, owning team processes, and leading cross-functional projects is preferred.

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 Health benefits

  • 401k Matching

  • Workspace benefits for your home office

  • Personal & Professional development funds

  • Family Planning Support

  • Flexible Vacation (please use them!) & Reddit Global Days Off

  • 4+ months paid Parental Leave

  • Paid Volunteer time off

Pay Transparency:

This job posting may span more than one career level.

In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit .

To provide greater transparency to candidates, we share base pay ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.

The base pay range for this position is:

$206,700—$289,400 USD

Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at .