Senior Frontend Engineer
Core
Designing and maintaining a secure JavaScript SDK for authentication integration across client applications.
Role type
Senior Frontend Engineer (SDK Developer)
Builds
JavaScript SDKs and developer tools for identity management
Domain
Financial markets infrastructure / Cybersecurity
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
React, TypeScript, modern JavaScript, SDK design, OAuth2, OpenID Connect, CI/CD pipelines, automated testing, frontend performance optimization, cross-browser compatibility, accessibility standards
Preferred skills
Clean code practices, automation, continuous improvement, developer experience focus
Technologies
React, TypeScript, Secure Token Service
Responsibilities
Own and maintain a JavaScript SDK built with React and TypeScript; Design intuitive, developer-friendly APIs that abstract complex authentication flows; Ensure the SDK is secure, performant, and easy to integrate; Collaborate with backend engineers to align SDK functionality with evolving identity protocols; Build automated tests and CI pipelines to ensure quality, reliability, and backward compatibility; Write clear documentation and sample apps to support internal and external developers
Seniority
Senior, hands-on IC
