Staff Software Engineer, ML Understanding

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.

The ML Understanding team mission is to develop cutting-edge AI solutions that can understand, generate, and analyze human-like text with unprecedented accuracy and efficiency. This mission also includes developing and maintaining services and systems that support the delivery of content insights to models and systems downstream in Reddit.

The team is looking for an exceptional software engineer mixing knowledge and experience on backend systems, large datasets and AI / LLMs. The ideal candidate will support developing and architecting new and existing systems to allow increasing scale and foster integration in client systems.

You will partner with Engineering, Product, UX Research, and Product Design teams to push the boundaries of what's possible with these powerful language models.

Responsibilities:

• Technical Leadership: Lead the design, development, and maintenance of the backend and data infrastructure for efficient, accurate, and optimized deployment of AI / ML based systems.
• Scalability: Architect and implement scalable AI / ML based solutions that can handle both the long term growth in the size of our data, and the scalability of the support in accessing it across a growing number of needs within the company
• Integration: Collaborate with other teams and functions to work towards consolidating all insights about Reddit’s data to be powered by the same platform.
• Data Management: Oversee data storage, retrieval, indexing, and query optimization strategies to ensure fast and reliable access to our data. This may include migrating the data to the right datastore given the company’s growing needs
• Collaborate with cross-functional teams to gather requirements, define system architectures and support system development.
• Mentorship: Provide technical guidance and mentorship to engineers on the team, fostering a culture of learning and innovation.
• Problem Solving: Proactively identify technical challenges and propose innovative solutions that align with the team's goals.

Qualifications:

• 7+ years of relevant experience as a software engineer involved in projects related with natural language processing and AI models integration in products.
• Strong background in Python programming and some experience with deep learning frameworks like TensorFlow, PyTorch, or Hugging Face Transformers.
• Expertise in distributed training frameworks (e.g., Ray Training, PyTorch Distributed), and efficient utilization of hardware resources.
• Proficiency in data preprocessing, tokenization, embeddings, and language modeling techniques.
• Passion for developing scalable, well-designed, and responsible AI solutions that positively impact society.
• Excellent communication and collaboration skills, with the ability to discuss complex technical topics with diverse teams.
• Entrepreneurial spirit, self-motivation, and a bias towards action in fast-paced environments.

Benefits:

• Group Personal Pension Scheme with Employer match
• Private Medical and Dental Scheme
• Income Replacement Programs
• Family Planning Support
• Gender-Affirming Care
• Mental Health & Coaching Benefits
• Bike to Work scheme
• Flexible Vacation & Reddit Global Days Off