Job Description

About the Role
Title:
Senior Staff Engineer, UI
Location:
New York, NY United States
Hybrid
Job Description:
Company description
Publicis Media Exchange (PMX) is the investment arm of Publicis Media, supercharging our agencies and clients to drive smart application of investment by leveraging scale, marketplace innovation, deeper partnerships, and intelligence. PMX is at the forefront of the converging marketplace, solving industry challenges and executing data-informed, tech-enabled media to help marketers connect with consumers in a measurable way.
Overview
We're looking for a Senior UI Engineer to help lead the technical direction of Agent Studio, Performics' flagship AI-driven workspace. You'll be a senior-level individual contributor who partners closely with product, UX, and platform leads to architect, implement, and optimize modern front-end systems that power real-time, AI-augmented experiences.
This is a hands-on, non-supervisory role - ideal for engineers who thrive at the intersection of design systems, performance, and architectural decision-making. This is a hands-on engineering role - you'll contribute directly to production code, build pipelines, and review implementations while shaping the long-term frontend architecture.
You'll shape engineering best practices, mentor developers across teams, and drive consistency across Studio's growing product surface.
Responsibilities
Core Responsibilities
Lead the technical design, implementation, and optimization of Agent Studio's React +
TypeScript + Next.js front-end architecture.
Define patterns for modular component design, code reuse, and performance optimization (