Reddit is looking to develop a next-generation, Gen AI driven search platform to improve search experiences for millions of Redditors.
Requirements
- Go, C++, Rust, Python, or any object oriented programming language
- Search Databases (Lucene, Tantivy, Milvus, ElasticSearch etc.)
- Kubernetes, Docker, AWS, GCP
- Baseplate, GraphQL
- Deep expertise in lexical and vector retrieval technologies, such as Milvus, Vespa, and Elasticsearch, with strong knowledge of Lucene and Tantivy internals.
- Skilled in designing cloud-native architectures and managing containerized workloads using Kubernetes and AWS/GCP.
- Proven track record in building real-time data pipelines, indexing frameworks, and hybrid (lexical + vector) search architectures.
Responsibilities
- Lead the technical strategy, architecture, and implementation of Reddit’s next-generation search engine, integrating lexical, vector retrieval and Gen AI search applications.
- Partner closely with product engineers across Search, Feeds, Ads, Growth, and Safety to deliver high-quality, low-latency search and retrieval experiences.
- Define best practices for observability, reliability, and operational excellence in large-scale distributed systems.
- Mentor and guide engineers in designing scalable search infrastructure and adopting robust DevOps and SRE principles.
- Collaborate with infrastructure, and ML teams to ensure the search platform evolves to meet the needs of Reddit’s growing user base and diverse content ecosystem.
- Lead the design and development of Reddit’s next-generation search engine, powering lexical, embedding based retrieval and RAG frameworks at massive scale on a modern, cloud-native stack.
- Define the technical vision, drive architecture decisions, and mentor engineers to deliver an intelligent, reliable, and scalable search infrastructure that supports Reddit’s mission of bringing community and belonging to everyone in the world.
Other
- 10+ years of experience in software engineering, specializing in cloud-native search and retrieval systems.
- 3+ years in technical leadership, architecting and scaling distributed systems in production environments.
- Adept at translating complex technical challenges into clear, actionable strategies.
- Strong communicator and mentor who leads through collaboration, influence, and technical excellence.
- Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve.
