Senior Front-End Engineer

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Job Description Summary
** Senior Front-End Engineer
** needed:
Expert in React, React Native Web for fintech apps. Deliver scalable UI/UX, integrate with APIs, and ensure high performance.

Description We are looking for a
** Senior Front-End Engineer
** with strong experience in React and React Native Web to build and scale modern enterprise-grade web applications. The ideal candidate will be comfortable delivering high-quality UI/UX, building reusable component systems, and integrating with APIs in a production environment. Experience in finance/fintech (payments, wallets, compliance flows, banking portals) is a strong plus.
** Responsibilities
* * Build and maintain high-performance web applications using React and React Native Web  Develop scalable UI architecture and reusable components (design-system mindset)  Integrate front-end workflows with REST APIs and/or Graph

QL APIs  Implement authentication flows (e.g., JWT, OAuth2, SSO, session handling)  Ensure responsive design and cross-browser compatibility  Collaborate with product owners, designers, and backend engineers to deliver features end-to-end  Improve performance, code quality, maintainability, and front-end security practices  Implement robust front-end testing (unit + integration + E2E where needed)  Participate in code reviews and contribute to best practices and engineering standards  Ensure correct handling of data formatting, localization, and UI validation (important in fintech-grade applications)
** Core Requirements
** 5+ years of professional front-end development experience  Strong experience with React.js (hooks, state management, performance optimizations)  Solid experience with React Native and ideally React Native Web  Strong knowledge of Type Script  Proficient with modern UI development practices (component-driven architecture, reusable layouts and UI patterns)  Experience integrating with APIs (REST patterns, authentication tokens, refresh logic, error handling)  Comfortable working with Git (Git Hub/Git Lab) and Agile delivery (Scrum/Kanban)
** Front-End Engineering Fundamentals
** Strong knowledge of browser fundamentals and debugging (Dev Tools)  Performance tuning: rendering optimizations, lazy loading, caching, bundle strategy  Ability to write clean and maintainable code (SOLID principles applied to UI)
** Technologies & Tools (Expected Experience)
**** Front-End Stack
** React.js, React Native Web  Type Script  State management (Redux Toolkit / Zustand / Recoil / Tan Stack Query)  Routing (React Router or equivalent)
** UI / Styling
** Ant Design (preferred)  Styled-components / Tailwind CSS / CSS Modules / SCSS  Design system & component library mindset
** API / Backend Integration
** REST and/or Graph

QL integration  Axios / Fetch API  Web Sockets (nice to have)
** Testing
* * Jest, React Testing Library  Cypress / Playwright (preferred)
** Build, Dev Ops & Delivery
** Vite / Webpack  CI/CD exposure (Git Hub Actions, Git Lab CI)  Docker exposure is a plus
** Fintech / Finance…