M&A AI Lawyer: Build & Scale Legal AI Workflows

Simpson Thacher & Bartlett LLP

New York (NY)

On-site

USD 300,000 - 350,000

Full time

14 days+

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Job summary

Simpson Thacher & Bartlett LLP in New York seeks a Senior AI Lawyer – M&A with 8–10 years of substantive M&A practice who has moved into building AI workflows for transactional work. You will design, build, test, and deploy production-ready AI solutions embedded in the M&A practice, collaborating with Engineering, Data Science, KM Lawyers, and Practice Solutions.

Fluency with Harvey, Legora, Claude Cowork, Claude Code, and related tools is required as you translate complex deal

Qualifications

8-10 years of practice experience in M&A.
Meaningful legal tech/AI experience with tools such as Harvey, Legora, Claude Cowork, Claude Code.
Experience building and shipping AI workflows end-to-end.
Ability to translate M&A legal reasoning into executable AI logic.

Responsibilities

Lead the hands-on design, development, and deployment of AI workflows for the M&A practice.
Fine tune models on M&A knowledge and build reusable workflows.
Collaborate with Engineering, Data Science, KM Lawyers and Practice Solutions to convert legal reasoning into AI logic.
Partner with Practice Leadership to drive adoption of AI within the M&A practice.
Identify high-impact M&A use cases for AI across deal stages; prioritize workflows based on business value.
Test, evaluate, and iterate on AI workflows ensuring accuracy and defensibility.
Oversee governance of AI assets including prompts, libraries, and document collections.