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Lead Web UI Developer (React), Budapest @ ION Group

Remote, USA Full-time Posted 2026-06-17

Lab49 is an award winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance.We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science.Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally.Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to business problems but delivering them into production.Lab49 is seeking a Principal Web UI Consultant to join our Budapest team. What You’ll Be Doing Partnering with our client to lead the design and build of user experiences using modern web development technology and techniques. You will be responsible for managing a team of UI engineers, and the relationships with other key contributors to deliver great software inside our client environments.Contribute to the Interactive Practice: The UI engineering team within Lab49. This means bringing your passion and opinionated view of what makes for great UI development to the wider UI engineering community within Lab49 and helping build the culture of high-quality software development that enables our ability to deliver on client engagements.Act as a hands-on engineer and architect to support work across the Interactive front-end Interactive Practice, from small initiatives to the design and build of complex systems. Lead and actively participate in projects, serving as a role model for project teams and… Apply To This Job

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