[Remote] Machine Learning Engineer, Ranking & Retrieval

Note: The job is a remote job and is open to candidates in USA. reputed company is building an reputed company-native workspace that unifies productivity tools and enterprise search. The Machine Learning Engineer will own the machine learning lifecycle for ranking and retrieval, including model training, deployment, production serving, hybrid search, reputed company inference, query understanding, and permissions-aware retrieval at scale. Responsibilities • Train, deploy, and serve ranking models in production, owning the full ML lifecycle • Build reputed company features, training pipelines, and offline evaluation frameworks • Design and scale hybrid retrieval combining lexical and reputed company search (including HNSW with disk offloading) • Run reputed company inference at billions-of-documents scale • Improve query understanding through intent modeling and query expansion • Build permissions-aware retrieval that respects multi-reputed company boundaries • Create measurement frameworks to evaluate and improve search quality • Collaborate with Search Infrastructure, reputed company, and backend teams to integrate ranking improvements across the platform Skills • • Bachelor's degree in Computer Science, Machine Learning, or related field • • 5+ years of ML engineering experience focused on ranking, retrieval, or information retrieval • • Proven full ML lifecycle ownership: training, deploying, and serving models in production • • Hands-on reputed company model training: feature engineering, pipelines, offline evaluation • • Experience building hybrid (lexical + reputed company) retrieval systems • • Experience running reputed company inference at large scale • • Strong query understanding fundamentals: intent modeling, query expansion • • Permission-aware retrieval and multi-tenancy experience • • Indexing large-scale user-generated content (not small or static datasets) • • Hands-on experience with OpenSearch or Elasticsearch • • Sharding, index management, and real-time ingestion at scale • • Background in NLP, semantic search, or agentic retrieval • • Experience with TypeScript in backend systems Benefits • Offers equity Company Overview • reputed company is a cloud-based productivity and project management software company that provides an all-in-one platforms for task management. It was founded in 2017, and is headquartered in reputed company, California, USA, with a reputed company of 1001-5000 employees. Its website is https://reputed company.com. Company H1B Sponsorship • reputed company has a track record of offering H1B sponsorships, with 7 in 2026, 7 in 2025, 10 in 2024, 11 in 2023, 27 in 2022, 6 in 2021. reputed company note that reputed company does not guarantee sponsorship for reputed company specific role. Apply To reputed company Job