Senior Frontend Engineer
- Hiring Organisation
- London Stock Exchange Group
- Location
- London, UK
- Employment Type
- Full-time
built with React and TypeScript, enabling secure integration with our custom Secure Token Service. Design intuitive, developer-friendly APIs that abstract complex authentication flows (OAuth2, OpenID Connect).Ensure the SDK is secure, performant, and easy to integrate across a wide range of frontend applications. Collaborate with backend engineers to align … with deep expertise in React, TypeScript, and modern JavaScript. Proven experience designing and maintaining SDKs or libraries used by other developers. Strong understanding of OAuth2, OpenID Connect, and secure authentication flows. Familiarity with CI/CD pipelines, automated testing, and versioning strategies for SDKs. Experience with frontend performance optimization, cross ...