Staff Software Engineer, ML Ranking Platform

Reddit, Inc.

full-time

Posted on: 9/3/2025

Location: 🇺🇸 United States

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💰 $230,000 - $322,000 per year

Lead

Distributed SystemsGoPython

About the role

Set and lead the technical vision for designing highly robust, scalable, reliable and performant ranking systems that power personalized feeds at Reddit scale
Design and implement the next generation backend ML systems that power the personalized feeds on Reddit
Work closely with ML engineers to design and implement scalable interfaces
Explore new technologies that help grow our ML systems capabilities
Champion and drive engineering processes and best practices
Write efficient, scalable and maintainable code that will help us iterate quickly and safely
Mentor and guide senior and mid-level ML engineers, fostering a culture of excellence, innovation, and knowledge sharing
Drive technical discussions, present findings to leadership, and contribute to long-term ML planning and decision-making
Partner with Engineering, Product, UX Research, and Product Design teams to push the boundaries of what's possible with these powerful language models

8+ years of experience as a software engineer developing backend ML systems at scale, using Go, Python, C++ or any object oriented programming language
Experience with building large-scale distributed systems and data intensive applications
Experience with developing and improving MLOps tools such as deployment, automation, system diagnosis, reproducibility, model monitoring etc.
Strong organizational skills with the ability to prioritize tasks and keep projects on schedule with a strong attention to detail
BS degree in Computer Science, a similar technical field of study or equivalent practical experience
Experience designing and implementing performant, stable, and maintainable interfaces for Machine Learning systems
Familiar with software engineering best practices such as unit testing and code reviews, design, and documentation
Entrepreneurial spirit. You are self-directed, innovative, and biased towards action in fast-paced environments. You love to build new things and thrive in ambiguity and even failure
Excellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences