Lead Software Engineer Ruby TypeScript React

Client Server · London, England, United Kingdom

Location
London
Job Type
Full-time
Posted
June 03, 2026

Job Description

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 contribut...

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