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Posted Jun 3Senior Staff Machine Learning Engineer, Notifications
at Redditinc
United StatesRemote
Responsibilities
- Enhance core recommendation capabilities, including candidate retrieval, ranking models, and budgeting optimization, while designing and testing new pipeline components. You will also deploy ML models, integrate LLMs, and ensure robust monitoring and smooth product integration throughout the process.
- Collaborate across disciplines and with ML, Product, Infrastructure, and DS teams at Reddit to find technical solutions to complex challenges.
- Mentor and guide senior and staff engineers in the team.
Requirements
- With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet’s largest sources of information.
- The Notifications Relevance team at Reddit is building the next generation of notifications focused on delivering the right content to the right user at the right time using the right channel (push notification, email digest and in-app).
- We are the second largest growth lever at Reddit and a core component to understanding how to delight our current user base and bring new users to discover all that Reddit has to offer.
- Redditors produce the most amazing content about every niche topic in the world. Leveraging machine learning and large-scale system development, we process hundreds of millions of posts and user activities to provide personalized recommendations for tens of millions of users.
- Serve as the primary ML domain expert, deploying state-of-the-art models at scale, driving architectural decisions, and ensuring robust monitoring and smooth product integration across the engineering organization.
- experience with deep expertise in large-scale recommendation systems, notifications experience preferred.
- Proven ability to identify key opportunities, define roadmaps and drive scalable improvement in notifications relevance. Strong
- experience in building and deploying large-scale ML models using frameworks such as PyTorch or Tensorflow. •
- Experience working with LLM in production and utilizing generative AI to augment recommendation systems
- Proficiency in object-oriented programming (Python, Golang). Big Plus:
- experience with state of the art model architectures Big Plus:
- experience building production Agentic AI frameworks. Benefits:
- Additionally, Reddit offers a wide range of
- In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI).
Experience
- 10+ years of industry
Benefits
- Deeply understand the Reddit Notifications product and drive the vision for the notifications relevance team.
- Benefits and Income Replacement Programs
- 401k with Employer Match
- Gender-Affirming Care
- Flexible Vacation & Paid Volunteer Time Off
- Generous Paid Parental Leave #LI-remote, #LI-JS5 Pay Transparency:
- 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.
- 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 provide greater transparency to candidates, we share base salary 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.
- The base salary range for this position is: $266,000 — $372,400 USD
Contact
- For more information, visit www.redditinc.com .
- To learn more, please visit https://www.redditinc.com/careers/ .
Additional details
- It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet.
- As a Senior Staff, you will design and build a large-scale system that powers end-to-end recommendation systems at scale.
- You’ll work across multiple areas of the stack, including budget optimization, retrieval, ranking, features, measurement, LLM-based answers, etc, partnering deeply with product, org leads, and other XFN to deliver reliable, high quality systems that can help Reddit Notifications push the boundary on state of the art. What You’ll Do
- Contribute to advancing Reddit's growth by designing and implementing content discovery algorithms that prioritize a seamless and highly personalized user experience.
- Partner closely with senior leadership and cross-functional org leads to shape long-term roadmaps, balancing immediate operational wins with strategic technical objectives. Who You Are
- Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
- This job posting may span more than one career level.
- 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.
- You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews.