Software Engineer, ML Feature Platform

Reddit, Inc.

full-time

Posted on: 9/9/2025

Location: 🇺🇸 United States

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💰 $185,800 - $260,100 per year

JuniorMid-Level

CassandraDistributed SystemsGoKafkaKubernetesOpen SourcePythonRedisScala

About the role

Architect, implement, and maintain foundational ML infrastructure to compute, store, and retrieve features used across Reddit
Build and operate the ML Feature Platform that powers Feeds Ranking, Content Understanding, Recommendations, Ads, and other ML systems
Work with ML teams (Growth, Ads, Feeds, Core ML) to deliver reliable, fast feature computation and serving at Reddit scale
Tinker with large-scale data, improve performance, reliability, testing, evaluation, and monitoring of feature pipelines
Ship platform features that directly impact content discovery and recommendation quality

2-3+ years of work experience in a production software development environment
Experience working on large-scale systems serving 100s of millions of users
Experience building production-quality code incorporating testing, evaluation, and monitoring using object-oriented programming
Experience in Python, Scala, and golang
Experience with Kubernetes
Knowledge of maintaining or developing applications using large-scale open source data stack (e.g., Kafka, Flink, Cassandra, Redis)
Comfortable with distributed systems, big data (Petabyte scale) and data-intensive systems
Strong organizational & communication skills