Frontend Software Engineer III - L.68/99
Core
Develop a next-generation, highly scalable, and performant core frontend platform for a financial payment service.
Role type
Senior Frontend Software Engineer
Builds
Modular, accessible design system and scalable UI platform for 6 million users
Domain
Fintech / Payments
Deliverable
production ML models | product features
Required skills
TypeScript, React, JavaScript, state management (TanStack Query, Zustand, Jotai), design systems (Tailwind CSS, Radix UI, Base UI), GraphQL, RESTful APIs, WebSockets, build systems (Vite, Rollup, Nx/Turborepo), Node.js maintenance, performance optimization (lazy loading, code splitting, caching), testing (Vitest, React Testing Library, Playwright)
Preferred skills
Experience with Next.js, TanStack Start, PostgreSQL, AWS serverless services (Lambda, S3, SNS, SQS), observability tools (Sentry, Kibana, Grafana, Cloudwatch, Logstash)
Technologies
TypeScript, React, TanStack Query, Zustand, Jotai, Tailwind CSS, Radix UI, Base UI, Zod, fp-ts, effect, GraphQL, Next.js, TanStack Start, PostgreSQL, AWS, CodeBuild, CodePipeline, GitHub Actions, Vitest, React Testing Library, Playwright
Responsibilities
Collaborate on feature development and code reviews; enforce coding standards and design patterns; contribute to technical vision for scalable UI; evaluate and select modern frontend technologies; design scalable systems; implement performance optimization techniques
Seniority
Mid-Senior (3-5 years experience)