Lead Software Engineer / Developer (Ruby TypeScript React) London / Remote to £130k Are you a polyglot Software Engineer with Developer Experience, API / SDK development skills? You could be joining a highly regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat and VoIP calls to real-time pricing and stock availability for a multitude of services around the globe. As a Lead Software Engineer you''ll own the technical strategy and architecture for one or more Developer Ecosystems (iOS, Web, Infra/Automation), define and drive best practices for API and SDK design, ensuring consistency, usability and scalability and lead complex, cross-team initiatives to expand and improve client libraries. You''ll oversee the full development lifecycle, from design through to release, maintenance and product evolution, mentoring more junior engineers and reviewing contributions, raising the technical bar across the team. You''ll also guide and manage external contributors and open-source collaboration and act as a key interface with the developer community, incorporating feedback into product direction. Location / WFH: You can work from most of the time, collaborating via Slack and meeting up with the team at the dog friendly office in North London for tech talks, lunch and learn events etc. around once a month. About you: You''re a senior software engineer with experience of building ..... full job details .....