.About us! Our open source charts and commercial libraries are used by tens of thousands of financial sites across the planet, including whales like: CME, Refinitiv, Investopedia, Crunchbase, Binance, Bitcoin.Com and many others. We're also one of the world's biggest websites (#61 to be exact, according to Alexa Rankings), visited by 100s of millions of people every year. So if you're interested in finance, chances are you'll have already seen us around the place. Our mission is to help millions of people succeed in life, whatever that means for them, by providing the highest quality information in the smartest way so they can make the best-informed decisions possible. To do this, we're looking for individuals to join a team where product quality means everything, where you'll be given the opportunity to develop your best work, and where the fruits of your labor will be seen by millions of people each and every day. Join our UK team We've got people all over the world, but London is where our executives are based. So, if you're looking for a start-up, get stuck-in vibe, but with all the resources and firepower of a major scale-up, then look no further. It's an exciting time to be part of the founding UK team as we continue our growth here. Our tech stack - Work with cutting-edge technologies We are using the latest technologies, ensuring our team works on innovative and challenging projects: JavaScript, ReactJS, TypeScript with NodeJS and Python, Django on the backend. Your mission: We are looking for an exceptional Principal DevOps Engineer to take the lead in shaping our cloud infrastructure strategy, ensuring it scales securely, efficiently, and reliably. As a senior technical leader, you will drive the adoption of best DevOps practices across the organisation, architect cloud solutions, and mentor teams to achieve operational excellence. This is an opportunity to influence large-scale infrastructure decisions, lead high-impact initiatives, and ensure that our services operate with optimal performance and security in a high-availability environment. Responsibilities: Lead the design, development, and implementation of scalable, secure, and highly available cloud infrastructure, focusing on AWS. Architect end-to-end cloud solutions that support disaster recovery, fault tolerance, and high availability. Partner with cross-functional teams to define and implement DevOps best practices and tools across all projects. Spearhead automation initiatives for infrastructure provisioning using Infrastructure as Code (IaC) frameworks like Terraform. Ensure robust security across all cloud environments, implementing industry best practices and compliance measures. Drive the monitoring and performance optimisation of services in production using advanced observability tools. Lead the design and optimisation of CI/CD pipelines to enhance deployment speed and reliability using platforms like GitLab or Jenkins