Senior Front-End Software Engineer AI

Thomson Reuters · Mexico City · hybrid We are looking for a Senior Front-End Software Engineer AI to join the CoCounsel team at Thomson Reuters. The team takes early concepts and turns them into scalable, production-ready features for legal professionals. As a Senior Front-end Engineer, you will own the client architecture for streaming agent interactions, from the React UI to how it ships to production. You will work on cutting-edge Litigation Drafting products that combine a complex workflow style UI with an advanced legal agent. Key Responsibilities Build AI-Powered Front-End Systems: Turn event streams into fast, resilient interfaces, and understand the agent runtimes behind them. Shape Front End Architecture: Contribute to the innovation of agentic UI design with a talented team of Front-End engineers and architects. Productionize AI Capabilities: Build and maintain CI/CD pipelines for the front end and agent-facing infrastructure. Collaborate Cross-Functionally: Partner with Labs team, product managers, and designers to take early AI agent concepts and turn them into scalable features. Mentor Engineers: Raise the bar for the team through code review, design docs, mentoring, and well-tested shared components. Required Qualifications Technical Experience: 4+ years of front-end engineering experience, including significant production work in React and TypeScript. Technical Skills: Hands-on experience with AG-UI protocol or comparable agent-UI protocols and SDKs, SSE events, Claude Agent SDK, AgentCore, AWS or Azure Cloud services. Technical Judgment: Excellent debugging skills and a proven ability to deliver production-ready systems. Collaboration & Communication: Comfortable operating in fast-paced environments with strong cross-functional communication skills. Preferred Qualifications Knowledge of backend streaming patterns, experience with feature flags, and familiarity with tool calling and structured outputs. Experience with Datadog, CloudWatch Log Insights, and Braintrust. What's in it For You? Hybrid Work Model: Flexible hybrid working environment. Flexibility & Work-Life Balance: Supportive workplace policies for managing personal and professional responsibilities. Career Development and Growth: Culture of continuous learning and skill development. Industry Competitive Benefits: Comprehensive benefit plans, including flexible vacation and retirement savings. Culture: Globally recognized, award-winning reputation for inclusion and belonging. Social Impact: Opportunities to make an impact in the community with paid volunteer days off.