Lead Applied Scientist, Search & Information Retrieval

Job not on LinkedIn

🕒 July 20

🌐 United States, Canada – Remote

🇺🇸 United States – Remote 🇨🇦 Canada – Remote

🗽 New York – Remote

🗽 New York – Remote

💵 $147.6k - $274.2k / year

⏰ Full Time

🟠 Senior

🧬 Research Scientist

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 5%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Thomson Reuters

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 2008

💼 Consulting

⚖️ Legal

🛡️ Insurance

Consulting • Legal • Insurance

Thomson Reuters is a global content and technology company that provides professionals with reliable and accurate solutions across the legal, tax and accounting, international trade, and risk management sectors. The company offers a range of products including legal research tools, tax preparation software, compliance and regulatory solutions, and media services like Reuters for global news. With significant investments in generative AI, Thomson Reuters continues to innovate in helping professionals optimize their workflows and enhance their decision-making. Their platforms serve various industries such as law firms, corporations, tax professionals, and media organizations, providing essential tools that combine powerful technology with in-depth expert content.

📋 Description

• Own the design, development, and production deployment of large-scale search and information retrieval systems • Work across retrieval architectures, indexing pipelines, ranking and re-ranking systems, semantic retrieval, hybrid search, and retrieval optimization • Build and optimize ingestion pipelines that analyze, enrich, and prepare documents for retrieval • Develop ranking and re-ranking systems using both traditional IR techniques and modern LLM-based approaches • Improve retrieval quality through semantic retrieval, hybrid retrieval, query understanding, and relevance optimization • Design evaluation frameworks for retrieval performance, relevance, ranking quality, and end-user outcomes • Lead technical decisions around indexing strategies, retrieval architectures, ranking models, and search infrastructure • Partner with engineering teams to deliver scalable, reliable, and performant search services • Contribute to the development of self-service search platform capabilities used by internal product teams • Provide technical input to senior leadership on search, retrieval, and AI strategy • Mentor applied scientists and machine learning practitioners across the organization

🎯 Requirements

• PhD in Computer Science, Information Retrieval, AI, Machine Learning, NLP, or a related field preferred • 8+ years of industry experience building production search, information retrieval, ranking, or recommendation systems • Publications at SIGIR, ACL, EMNLP, NeurIPS, ICLR, KDD, WWW, or equivalent venues • Strong production Python skills and experience with PyTorch, Hugging Face Transformers, and distributed model development • Hands-on production depth required in: Search engine architecture, indexing systems, and ingestion pipelines • Ranking and re-ranking systems rather than solely consuming search technologies • Information retrieval, semantic retrieval, hybrid retrieval, and vector search architectures • Query understanding, relevance optimization, and search evaluation methodologies • Retrieval systems supporting large collections of text-rich content • LLM-enhanced retrieval, RAG architectures, and retrieval optimization • End-to-end measurement and evaluation of search quality and user outcomes

🏖️ Benefits

• Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities • Flexible work arrangements, including work from anywhere for up to 8 weeks per year • Comprehensive benefit plans to include flexible vacation • Two company-wide Mental Health Days off • Access to the Headspace app • Retirement savings • Tuition reimbursement • Employee incentive programs • Resources for mental, physical, and financial wellbeing • Make an impact in your community with our Social Impact Institute • Two paid volunteer days off annually • Opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives • Comprehensive health, dental, vision, disability, and life insurance programs • Competitive 401k plan with company match • Market leading work life benefits with competitive vacation, sick and safe paid time off, paid holidays • Parental leave • Sabbatical leave • Optional hospital, accident and sickness insurance paid 100% by the employee • Optional life and AD&D insurance paid 100% by the employee • Flexible Spending and Health Savings Accounts • Fitness reimbursement • Access to Employee Assistance Program • Group Legal Identity Theft Protection benefit paid 100% by employee • Access to 529 Plan • Commuter benefits • Adoption & Surrogacy Assistance • Tuition Reimbursement • Access to Employee Stock Purchase Plan