Data Science Manager, GenAI & LLMs

• Classifying companies by industry code at scale, combining LLMs, custom embeddings, and classic ML.
• GenAI-based entity resolution, linking companies and properties across dozens of data sources using custom embeddings, deep pipelines, LLMs at scale, fine-tuning, clustering, and more.
• Agentic, LLM-based, and ML-driven recommender systems for driving cross-sell and up-sell across our diverse businesses. 
• Forecasting commercial lease rent dynamics and market trends from JLL's global transaction and market data using millions of leases and diverse input.
• Building agents and MCP servers that put our research and data to work.
• Exploratory research for incorporating the latest approaches (tabular foundation models, time-series foundation models, multi-agent pipelines, reinforcement learning, auto-research, novel evaluation methods, etc.) into our work.
  

• 2+ years managing data scientists, AI researchers, ML engineers or similar.
• Strong leadership mentality where you inspire your team, initiate beyond core data science, and partner with product and business to spot new project opportunities.
• Proven ML/AI excellence, with recent years focused on GenAI.
• A track record of leading multi-person efforts end-to-end, shipping to production, and creating lasting value.
• Comfortable with communicating your work internally and externally.
• A strong research track record (e.g., scientific publications, technical reports/blogs, conference talks).
• An MSc (PhD an advantage) in computer science, math, or another quantitative field, or equivalent experience.
  

• Hands-on post-training of open-weight models (e.g. Llama/Qwen-class): SFT, preference optimization (DPO/GRPO), LoRA vs. full fine-tuning, and synthetic data curation
• Distributed training (FSDP, DeepSpeed) or high-throughput LLM serving (vLLM, SGLang)
• Experience with agentic systems: tools and MCP design, multi-agent orchestration, context engineering, and rigorous evaluation
• An entrepreneurial track record
  

We're a tight-knit team of about 20 with a strong, fun, collaborative culture and a positive atmosphere, hybrid from our newly renovated Tel Aviv headquarters, a homelike space with team breakfasts and an on-site gym. We offer highly competitive compensation and benefits, including private health insurance.

If this job description resonates with you, we encourage you to apply even if you don’t meet all of the requirements.  We’re interested in getting to know you and what you bring to the table!

At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.

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