Front end engineer

ABOUT THE COMPANY : One of our Customer based in CA, USA ( ROI-AI), founded by Ex- Google DeepMind is building an AI-powered platform for automating chargeback dispute management in wholesale and retail distribution. The platform will help analysts reduce manual work by 90% through intelligent document parsing, evidence assembly, and workflow automation. ROI-AI is a seed-stage startup with a solid technical foundation and early customer traction, looking to expand the engineering team to complete our MVP and scale. About the Role We're looking for a Frontend Engineer to build the user-facing experience for our AI-powered chargeback management platform. You'll work on a chat-first interface where analysts interact with AI agents, review evidence, and manage dispute workflows. This is a high-impact role where your work directly shapes how customers experience our product. What You'll Do - Build and maintain our React/TypeScript web application - Develop real-time chat interfaces with WebSocket integration - Create data visualization components for case analytics and evidence review - Implement responsive, accessible UI using shadcn/ui and Tailwind CSS - Work with TanStack Query for data fetching and state management - Integrate with Clerk for authentication and user management - Write Playwright tests for critical user flows - Collaborate with backend engineers on API contracts and real-time protocols - Contribute to design system and component architecture Tech Stack Layer Technologies Framework - React, TypeScript, Vite Styling - Tailwind CSS, shadcn/ui, Radix UI State - TanStack Query, React Context Real-time - WebSocket (native), custom hooks Auth - Clerk Forms - React Hook Form, Zod validation Testing - Playwright (E2E) Build - Vite, Docker, nginx Requirements - 3+ years of frontend development experience - Strong React and TypeScript proficiency - Experience with modern CSS (Tailwind, CSS-in-JS, or similar) - Understanding of REST APIs and real-time communication (WebSocket) - Experience with component libraries and design systems - Comfortable with testing (unit, integration, or E2E) - Strong attention to UI/UX details - Ability to work independently in a fast-paced startup Nice to Have - Experience with chat/messaging interfaces - Real-time application development (WebSocket, SSE) - Data visualization experience (charts, tables, dashboards) - Accessibility (WCAG) experience - Experience with Clerk, Auth0, or similar auth providers - Familiarity with AI/LLM-powered applications - Financial services or enterprise B2B SaaS experience - Previous startup or founding engineer experience What You'll Work On (First 90 Days) - Month 1: Onboard, understand the codebase, ship UI improvements and bug fixes - Month 2: Own a core feature (case workspace, evidence viewer, or chat improvements) - Month 3: Lead implementation of a major frontend initiative, contribute to design system Key Features You'll Build - Chat Interface: Real-time messaging with AI agents, tool results, file uploads - Case Workspace: Evidence panels, document viewers, verification results - Dynamic UI: Agent-driven components that render based on backend state - Analytics Dashboard: Case metrics, recovery rates, performance charts - Settings & Admin: Organization management, user roles, retailer configuration Compensation: The compensation offered for this role will be at the prevailing best market rate. You must have a valid passport to apply for this role. (Having USA VISA holders will be preferred) Company: ROI-AI Website :