Senior Software Engineer (Front End, Super App, Applications)

Join , a leading identity verification platform, as a Senior Software Engineer on the Applications team. In this role, you will build and maintain the SuperApp's customer-facing web surfaces, implement discovery and offer detection, integrate with platform APIs, and collaborate with design and product teams. You will also ensure performance, accessibility, and reliability standards are met, and provide production support for shipped features.

This position is based in Mountain View, CA, and offers a range of benefits including company-sponsored medical, dental, and vision plans, paid parental leave, generous paid time off, and a 401K with employer matching. - Construire et maintenir les surfaces web orientées client de SuperApp, y compris l'interface utilisateur de l'extension de navigateur et d'autres expériences frontales. - Collaborer avec l'équipe de conception et de produit pour transformer les concepts de découverte et de personnalisation en une interface utilisateur web fonctionnelle centrée sur le membre. - Assurer que les fonctionnalités SuperApp expédiées répondent aux normes d' en matière de performance, d'accessibilité et de fiabilité inter-navigateur. - Strong frontend engineering experience (typically 4+ years, or equivalent: 2+ years with a Master's degree) - Solid production experience with React (and Next.js) — required for adoption, not only for wrappers - Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience - Experience building or maintaining browser extensions (Chrome/Edge/Firefox), including content scripts, background/service workers, and Manifest V3 - Hands-on experience shipping native Web Components in production (Custom Elements, templates, Shadow DOM, slots, events) - Deep expertise in vanilla JavaScript, HTML, and the DOM - Experience with micro-frontend architectures or contributing to a shared internal design system - Experience building personalization, recommendation, or discovery-style UI - Experience with UI component libraries or design systems - Familiarity with identity, benefits, or credential-based access concepts - Experience building e-commerce, marketplace, or discovery UI (cashback, coupons, affiliate/offer detection) - Proven collaboration with design on system-level UI - Familiarity with design tokens, theming, and scalable CSS (custom properties, shared stylesheets) - Strong grasp of accessibility standards and cross-browser behavior - Experience optimizing performance for lightweight, injected, or embedded UI - Experience integrating with REST/GraphQL APIs - AI-native engineering practices — comfortable using AI tooling (e.g., code generation, test coverage, documentation) to accelerate development