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ABOUT THE TEAM
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ABOUT THE ROLE
As a Senior MLE on the Embedding & Search team, you will own and build key components of TwelvaLabs' search and retrieval platform β the systems that combine vector search, lexical retrieval, and reranking into fast, accurate, and scalable search experiences for our customers.
This is a systems-heavy ML engineering role at the intersection of information retrieval, ML serving, and distributed systems. We're looking for a strong engineer who can take well-scoped problems with moderate ambiguity, break them down into concrete milestones, and deliver reliable, performant solutions.
IN THIS ROLE, YOU WILL
- Own and build core subsystems of our search platform on EKS β spanning vector indexing (ANN), lexical retrieval, hybrid fusion, reranking, and temporal (segment-level) search
- Optimize retrieval performance at million to billion-scale across both vector and lexical paths
- Develop and maintain production microservices across the search stack
- Collaborate with the research/training team to co-evolve embeddings, reranking models, and retrieval strategies
- Implement and maintain evaluation frameworks for search quality (recall, precision, latency, relevance)
- Work cross-functionally with platform/infra and product teams to ship search capabilities end-to-end
YOU MAY BE A GOOD FIT IF YOU HAVE
- 6β8 years building production ML systems, with emphasis on search, retrieval, or recommendation
- Strong software engineering skills in Python; Go experience is a plus
- Hands-on experience with ML model serving and inference optimization in production (e.g., KServe, Triton, Ray Serve)
- Experience with information retrieval systems β embedding-based search, lexical search (BM25/Elasticsearch), or hybrid retrieval
- Proficiency with data pipelining and orchestration (Spark, Ray, Airflow, Kubeflow, or similar)
- Strong Kubernetes experience and familiarity with databases, vector databases, and search engines
- Solid distributed systems and async programming fundamentals
PREFERRED QUALIFICATIONS
- Good English communication skills (verbal and written)
- Experience with multimodal or video search/retrieval systems
- Familiarity with temporal indexing or segment-level retrieval (shot boundary detection, scene search)
- Experience with hybrid retrieval strategies (rank fusion, reranking models, score normalization)
- Experience with ANN index tuning at scale
- Experience building services with high-demand SLAs