Machine Learning Engineer, Ranking Platform
Remote - United Kingdom
Reddit is a community of communities. It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 101M+ daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit redditinc.com.
Reddit is continuing to grow our teams with the best talent. This role is remote-friendly within the United Kingdom. If you happen to live close to our physical offices in London, our doors are open for you to come into the office as often as you'd like.
The ML Ranking Platform team builds and runs the services that coordinate contextualized and personalized ranking on Reddit. We build ML infrastructure, including a scatter-gather ranking coordination service and feature indexes. We work closely with a team of MLEs to develop and productionize new models and with a team of ML backend engineers that build inference and training services and feature stores.
Ranking is a core and growing part of Reddit, connecting users with the content they’re looking for is key to the future of Reddit. This is particularly salient right now, as our society is currently engaging in a deep discussion around the algorithms used to match users with content. Our team is acutely aware of this. Our team mantra is “Intention over Attention”. We are deeply concerned with helping our users fulfill their intention for visiting Reddit, not just capturing their attention.
How You'll Have Impact
You will own projects from ideation to production, not just make small incremental gains on enterprise systems. You’ll work with a talented, diverse, cross-functional team to solve important problems in order to create experiences that users will love. We are a team of builders that value impact, personal growth, openness and kindness.
Reddit is looking for a software engineer capable of building highly robust, scalable, reliable and performant ranking systems. You will work closely with Backend Architects, Product Managers, Machine Learning and domain experts to deliver best in class personalized ranking systems that will advance Reddit’s efforts to bring community and belonging to everyone on the planet.
This is a high impact role where you will be involved in technical & product strategy, operations, architecture, and execution for one of the largest sites in the world.
What You’ll Do
- Design and implement the next generation backend ML systems that power the personalized feeds on Reddit.
- Work closely with product and 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.
Who you might be
- At least 2+ years of experience as a software engineer developing backend/platforms at scale, using Go, Python, C++ or any object-oriented programming language.
- Additional knowledge around GraphQL, REST, HTTP basics, GRPC and the ability to design maintainable APIs.
- Strong organizational skills, the ability to prioritize tasks and keep projects on schedule.
- BS degree in Computer Science, a similar technical field of study or equivalent practical experience.
- Experience designing and implementing performant, stable, and maintainable API interfaces.
- 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.
Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at .
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