SDK Engineer

• Design, develop, test, and maintain reusable TypeScript/JavaScript SDKs and libraries.
  
• Build secure authentication and authorization capabilities for web applications.
  
• Work with OAuth 2.0, OIDC, JWT, PKCE, access tokens, session and token management.
  
• Handle browser security concepts such as CORS, Same-Origin Policy, cookies, browser storage, XSS, CSRF, and CSP.​
  
• Design stable, secure, and developer-friendly SDK APIs for use by multiple applications.
  
• Develop unit, integration, and browser-based automated tests.
  
• Maintain CI/CD pipelines, NPM packaging, versioning, and release processes.
  
• Troubleshoot complex issues across browsers, authentication services, APIs, and consuming applications.
  
• Participate in architecture discussions, code reviews, production support, and continuous engineering improvements.
  

Requirements

• 5–10 years of software engineering experience.
  
• Strong hands-on experience with TypeScript and JavaScript.
  
• Deep understanding of JavaScript concepts such as async/await, Promises, event loop, closures, modules, and error handling.
  
• Experience building reusable SDKs, libraries, frameworks, or platform components.
  
• Strong understanding of browser internals, HTTP/HTTPS, and web security.
  
• Good knowledge of authentication and authorization concepts including OAuth 2.0, OIDC, JWT, and token lifecycle.
  
• Experience with NPM, package management, automated testing, and CI/CD.
  
• Strong debugging, analytical, and problem-solving skills.
  
  

• Experience with Auth0, Okta, MSAL, Cognito, or similar identity platforms.
  
• Knowledge of SSO, RBAC, scopes, permissions, and enterprise IAM concepts.
  
• Experience publishing and maintaining NPM packages.
  
• Knowledge of Webpack, Rollup, Vite, BrowserStack, Playwright, Cypress, or similar tools.
  
• Experience maintaining backward compatibility and Semantic Versioning for SDKs.
  

• Strong ownership and problem-solving mindset.
  
• Good communication and collaboration skills.
  
• Ability to work with architects, security teams, DevOps teams, and application developers.
  
• Self-motivated, detail-oriented, and quality-focused.
  
  

Benefits

Benefits

• ​Opportunity to work with a dynamic and fast-paced engineering IT organization.
  
• Be part of a company that is passionate about transforming product development with technology.