Senior Web Engineer II - Platform
Core
Build web foundations including design systems, component libraries, shared packages, and secure session handling for Ajaib's product teams.
Role type
Senior IC web platform engineer
Builds
Design system, component library, shared packages, application shell, and build/release tooling
Domain
Fintech / Web Platform
Required skills
TypeScript, JavaScript, React, Next.js, monorepo management, bundlers, CI/CD pipelines, unit testing, integration testing, visual testing, end-to-end testing, browser performance profiling, web accessibility, web security, authentication
Preferred skills
Fintech experience, regulated high-traffic consumer product experience
Technologies
TypeScript, JavaScript, React, Next.js
Responsibilities
Design and maintain shared web foundations (component library, design system, shared packages); own features end-to-end from design to production; ensure stability of shared packages with clear APIs and semantic versioning; build accessible, themeable, well-documented components; implement secure sign-in, session, and token handling; improve build speed, CI/CD pipelines, and monorepo tooling; set and measure performance budgets and quality standards; write maintainable code and conduct code reviews; investigate and fix production issues; mentor mid-level engineers.
Seniority
Senior, hands-on IC