Lead Data Scientist – AI Engineer

Job description

Solutions for Today’s Challenges. Vision for Tomorrow’s Opportunities. Join William Blair, the Premier Global Partnership. We are hiring a Senior AI Engineer to join a newly formed AI Innovation Function, part of the Investment Banking AI & Technology team. This is not a back-office engineering role. This role follows the Forward Deployed Engineer philosophy: you will not build in isolation. You will be embedded with deal teams and industry/sector groups, understanding their day-to-day workflows and delivering tools that create immediate, measurable impact on how they originate, execute, and close deals. You will work across the full stack—data pipelines, ML models, LLM-powered applications, and Salesforce integrations—with a bias for shipping fast, learning from real user feedback, and iterating relentlessly. RESPONSIBILITIES: - Build AI-powered features and agents using Enterprise Claude and proprietary ML models, integrated directly into the Salesforce workflows bankers use every day. - Develop LLM applications for banking use cases including automated comparable analysis, buyer recommendation, meeting intelligence summarization, and deal status briefings. - Design and maintain...