UX/UI Developer (Contract)

Job Description: UX/UI Developer (Contract) Location: Remote, US-based (must be authorized to work in the United States) Engagement Type: Independent Contractor / W2 Contract Industry: Banking / Financial Services About the Role We are looking for an experienced UX/UI Developer with a background in authentication and identity workflows to join a large, complex enterprise organization on a contract basis. You will be part of a team building a next-generation, centralized authentication platform from the ground up, owning all user-facing login and identity flows across web, Android, and iOS. This role is well-suited for someone accustomed to the governance and change management demands of a large global organization, and who understands the unique UX and security requirements of authentication surfaces. Experience in banking/financial services or other highly regulated industries is a big plus. Key Responsibilities Design and build user-facing authentication components including login pages, multi-factor authentication flows, and account recovery experiences across web, Android, and iOS Develop and maintain SDKs and UI libraries that integrate with underlying identity vendor services (Transmit, Ping, Arcus Labs, ThreatMetrix, and others) Contribute to the identity Abstraction Layer, a vendor-agnostic library that decouples application teams from specific identity vendor SDKs Collaborate with identity architects, backend API teams, and security engineers to ensure UI implementations align with authentication protocols and security requirements Implement passkey and passwordless flows using FIDO2/WebAuthn standards Build with forward compatibility in mind to support credential consolidation across multiple products and business lines over time Maintain documentation for components, integration guides, and change requests in alignment with enterprise change management policies Support testing, accessibility compliance, and performance optimization across all platforms Required Qualifications 4+ years of experience in front-end or mobile UI development Proficiency in React for web development; experience with React Native, native Android (Kotlin/Java), or native iOS (Swift) for mobile Hands-on experience building or integrating with authentication flows: login, MFA, SSO, OAuth 2.0 / OIDC, or SAML Familiarity with identity or authentication SDKs (any vendor: Ping, Transmit, Okta, ForgeRock, Auth0, or similar) Understanding of security principles as they apply to UI: token handling, session management, secure storage on mobile Experience working within large, complex enterprise environments at Fortune 150 scale or equivalent; exposure to regulated industries (financial services, healthcare, government) is a plus Ability to work independently and manage deliverables with limited day-to-day supervision Preferred Qualifications Experience with passkeys or FIDO2/WebAuthn implementations Familiarity with Transmit Security or Ping Identity products Experience building shared UI component libraries or SDK wrapper layers Exposure to centralized authentication or single sign-on architecture patterns Familiarity with WCAG accessibility standards Prior work in financial services, online banking, or other high-stakes consumer-facing digital products is a plus Contractor Requirements Must be based in the United States and authorized to work without sponsorship Must be able to pass a background check