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Weekday AI (YC W21)

Frontend Experience Engineer

Weekday AI (YC W21), Poland, New York, United States

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Base pay range Salary range: Rs 2500000 - Rs 4000000 (INR 25-40 LPA) Min Experience: 6 years Location: Remote (Poland) Job Type: full-time

What you’ll do Product & UI Development

Build, enhance, and maintain modern SPA applications using React and TypeScript.

Create reusable component libraries and scalable design systems used across the product.

Develop responsive, accessible, and intuitive interfaces aligned with UX best practices.

Work with real-time data, visualization components, and performance-optimized interactions.

Collaboration & API Integration

Integrate frontend applications with backend services through structured API contracts.

Partner with backend and product teams to shape data flows and interaction patterns.

Implement resilient error-handling, offline-ready capabilities, and fault-tolerant UX behavior.

Architecture, Quality & Engineering Excellence

Contribute to frontend architecture decisions, build tooling, and technical roadmap.

Define and uphold code quality, testing standards, and engineering workflows.

Conduct performance profiling and optimize Core Web Vitals metrics.

Maintain high‑quality documentation and participate in regular design and code reviews.

What you bring

4-7 years of professional frontend development experience.

Deep expertise with modern React (hooks, functional components, SPA patterns).

Strong proficiency in TypeScript and scalable component architecture.

Hands‑on experience with Vite, Webpack, or other modern build tools.

Solid knowledge of state management libraries (Redux Toolkit, React Query, Zustand, etc.).

Experience with testing frameworks such as Playwright, Jest, and RTL.

Familiarity with Tailwind, Styled Components, or modern CSS frameworks.

Bonus Skills

Experience building real-time interfaces or analytical dashboards.

Exposure to enterprise‑scale security or data applications.

Working knowledge of Python or backend API implementation.

Understanding of accessibility standards (WCAG) and usability principles.

Cloud or DevOps exposure (Docker/Kubernetes, AWS, GCP).

Why you’ll love working here

Build foundational UI systems for next‑generation security technology.

Influence architectural decisions and shape product direction early on.

Work with highly skilled teammates solving real‑world cyber defense challenges.

Accelerated learning environment with high impact and autonomy.

Seniority level Mid‑Senior level

Employment type Full‑time

Job function Other

Industries IT Services and IT Consulting

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