Lead Software Engineer - AI

Lead Software Engineer - AI, Westlaw

We are seeking an experienced Lead Software Engineer to join our fast-moving, forward-thinking group that is creating AI-driven software for legal professionals, and our flagship product, Westlaw. You will be developing and implementing cutting-edge solutions using Python, REST APIs, AI technologies, and AWS cloud infrastructure.

About the Role:

In this role as a Lead Software Engineer - AI
, you will:

• Innovate, implement and operationalize in a fast-paced Environment
• Be part of a fast-moving, forward-thinking group that is creating AI-driven software for legal professionals. You’ll work with top AI and software development experts, leveraging cutting-edge technology to build intelligent and scalable systems. This role is for the developing backend services for Legal Research products.
• Design and implement backend services that power generative AI agents and orchestration systems. This role requires both creativity and rigor to ensure our AI-driven solutions are performant, reliable, and adaptable to real-world use cases.
• Work closely with AI/ML engineers from TR Labs, frontend developers from Westlaw UI teams, product managers, and designers to build robust services that support generative AI experiences. Help to build out our core AI interfaces such as Conversations, Work spaces, Grid, and Knowledge Base.

Key Responsibilities:

• Develop and maintain backend services using Python, FastAPI, and Postgre
  
  SQL.
• Implement AI orchestration systems integrating LLMs from OpenAI, Anthropic, and other providers.
• Design APIs and backend logic for real-time AI interactions.
• Help to build our content services to automate many different AI driven workflows across the legal professional domain

• Ensure backend systems are secure, scalable, and optimized for AI-driven applications.
• Monitor and enhance system performance, across millions of documents and AI driven interactions

• Work closely with AI researchers, engineers, and product teams to translate AI capabilities into real-world applications.
• Foster a culture of experimentation and continuous improvement, exploring new AI technologies and methodologies.

About You

You’re a fit for the role of Lead Software Engineer - AI
, if your background includes:

• Bachelors Degree in Computer Science, Computer Engineering, Related Field, or Equivalent Experience.
• 7+ years of hands-on software development experience in backend development, building scalable web services, and APIs.
• 3+ years of hands-on Python development with experience in FastAPI (Other API Tools Acceptable) and Postgre
  
  SQL (Other SQL Tools Acceptable).
• Expertise in AWS cloud services (Redis,Dynamo
  
  DB,S3,SQS,Kinesis,KMS,IAM,Secret Manager,etc) or similar cloud services.
• Experience managing infrastructure with Terraform, Cloud Formation, or similar IaC tooling.
• Strong Data Engineering background and experience with Retrieval Systems leveraging tools like Open Search.
• Experience implementing modern Dev Ops best practices in production environments (CI/CD using Git Hub Actions and AWS services (Code Pipeline/Code Build)
• Experience with LLMs, AI Solutions, and evaluation and understanding of agentic systems and workflow.
• Excellent interpersonal skills with the ability to influence across organizational boundaries.
• A pragmatic and curious mindset that drives you to find elegant solutions to complex problems.
• Strong communication skills that enable you to articulate technical concepts to diverse audience.
• Demonstrated ability to mentor others and contribute to engineering culture.
• Experience in using AI-powered tools in SDLC is required.

What’s in it For You?

Join us to inform the way forward with the latest AI solutions and address real-world challenges in legal, tax, compliance, and news. Backed by our commitment to continuous learning and market-leading benefits, you’ll be prepared to grow, lead, and thrive in an AI-enabled future. This includes:

• Industry-Leading Benefits: We offer comprehensive benefit plans to include flexible vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement…