Staff Machine Learning Engineer, Developer Platform

Reddit, Inc.

Staff Machine Learning Engineer building ranking and personalization systems for Reddit's Developer Platform. Collaborating with cross-functional teams to enhance user engagement through innovative ML solutions.

Posted 4/24/2026full-timeRemote • 🇺🇸 United StatesLead💰 $230,000 - $322,000 per yearWebsite

Tech Stack

Tools & technologies

Distributed SystemsGoGraphQLPython

About the role

Key responsibilities & impact

Design and ship the next generation ranking and ML backend systems that power discovery of Dev Platform apps and games across Reddit surfaces.
Partner with ML, DS, and product to define signals, APIs, and feedback loops.
Explore and productionize new retrieval, ranking, and experimentation approaches.
Champion reliability, observability, and experimentation best practices.
Write efficient, scalable code in our Go/Python/Baseplate/GraphQL stack.
Mentor engineers and lead technical discussions.

Requirements

What you’ll need

8+ years of experience as a software engineer building large-scale distributed systems and/or data-intensive, ML-driven systems
Proven track record working on cross-functional product teams (PM, Design, DS, Eng) where you owned end-user outcomes
Experience designing and improving ML tooling and platforms
Experience designing and implementing performant, stable, and efficient ML or ranking systems
Strong organizational skills with the ability to prioritize
BS in Computer Science or a related technical field, or equivalent practical experience
Comfortable with software engineering best practices
Entrepreneurial mindset: self-directed and comfortable in ambiguity
Excellent communication skills

Benefits

Comp & perks

Comprehensive Healthcare Benefits and Income Replacement Programs
401k with Employer Match
Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Paid Volunteer Time Off
Generous Paid Parental Leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

GoPythonBaseplateGraphQLML toolingdistributed systemsdata-intensive systemsranking systemsefficient codescalable code

Soft Skills

mentoringleadershiporganizational skillsprioritizationcommunicationself-directedentrepreneurial mindsetcollaborationproblem-solvingadaptability

Certifications

BS in Computer Science