Lab49 is an award-winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance. Founded in 2002, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX, and digital distribution. 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. The Principal Full-Stack Engineer will play a critical role on key projects for Lab49 clients, working in a collaborative and innovative project team with direct client-facing interactions. You will have the opportunity to apply your skills and expertise to design innovative applications that solve complex problems and enhance performance and productivity at our marquee clients.