Identity is a critical dependency across the Reddit Ads stack
The Identity Infrastructure pod owns systems that sit directly on the hot path for attribution, measurement, and ads delivery
Provide clear technical ownership and direction for Identity Infrastructure
Set architectural standards, guide the evolution of our identity graph and matching systems
Build solutions that scale with the business while meeting reliability and privacy requirements
Resolve, link, and serve user identity across Reddit Ads
Build foundational infrastructure that directly impacts ads performance, privacy resiliency, and platform scale
Serve as the technical lead for the Identity Infrastructure pod

Requirements

6+ years of building backend systems in production
2+ years in a technical leadership role, including driving architecture, leading design reviews and mentoring engineers
Prior experience designing and operating large-scale distributed systems and data pipelines
Experience with data engineering platforms such as Spark, Flink or similar batch or stream processing systems
Experienced working on identity-related systems such as probabilistic matching, identity graphs, device fingerprinting or similar user resolution frameworks.
Experience working in Ads or Ads adjacent spaces
Experience collaborating and building infrastructure for ML teams

Benefits

Comprehensive Healthcare Benefits and Income Replacement Programs
401k Match
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Reddit Global Days Off
Generous paid Parental Leave
Paid Volunteer time off

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

backend systemslarge-scale distributed systemsdata pipelinesdata engineeringSparkFlinkprobabilistic matchingidentity graphsdevice fingerprintinguser resolution frameworks

Soft Skills

technical leadershipmentoringarchitectural standardsdesign reviewscollaboration