Senior UI/UX Developer (Next.js / App Builder)

Who We Are: TransPerfect is the world's largest provider of language services and technology solutions for global business. From offices in over 140 cities on six continents, TransPerfect offers a full range of services in 170+ languages to clients worldwide. More than 6,000 global organizations employ TransPerfect's GlobalLink® technology to simplify management of multilingual content. With an unparalleled commitment to quality and client service, TransPerfect is fully ISO 9001 and ISO 17100 certified. TransPerfect has global headquarters in New York, with regional headquarters in London and Hong Kong. For more information, please visit our website at www.transperfect.com . Summary: What We’re Building (and Why It’s Kind of a Big Deal) We’re a small team inside TransPerfect building a massive internal platform —a low-code application builder that’s powering how our entire company operates. It’s ambitious. It’s complex. It’s not “done.” And that’s exactly why it’s fun. Think: Drag-and-drop UI builder Highly dynamic, data-driven interfaces Enterprise-scale… without enterprise-level red tape We operate more like a startup embedded inside a global company , which means we move fast, figure things out as we go, and need people who are excited to build something real from the ground up. What You’ll Actually Be Doing You won’t just “work on UI.” You’ll help define how this whole thing works. Build and evolve a drag-and-drop app builder used across the company Collaborate and shape frontend architecture decisions (React / Next.js) Implement highly interactive, state-heavy UIs Create component systems that non-developers can configure and use Balance performance, usability, and flexibility in a complex environment Partner closely with product and design (who have opinions ) and engineering (who have different opinions ) The Kind of Engineer This Role Needs We’re not looking for someone who needs perfect specs and clean workflows. We’re looking for someone who: Is comfortabl