Senior Frontend Developer – React/

3 weeks ago

Islamabad, Islamabad, Pakistan CloudPSO Full time

Key Responsibilities

1. Frontend Architecture
& Development

  • Build responsive, accessible React.js/Next.js applications for:
    • Admin Portal: User management, transaction monitoring, fraud alerts
    • Customer Web Portal: Balance checks, transfer history, document uploads
  • Optimize performance for financial data-heavy UIs (virtualized tables, WebSockets).
  • Implement secure authentication flows (OAuth 2.0, JWT, biometric checks).

2. API & State
Management

  • Integrate with banking/payment APIs (REST/GraphQL) using Axios/Apollo Client.
  • Design state management (Redux Toolkit/Zustand) for:
    • Real-time transaction updates
    • Multi-step transfer workflows
  • Handle tokenization/encryption for sensitive data display.

3. Security & Compliance

  • Enforce PCI DSS standards for payment UIs (masked data, read-only fields).
  • Implement PSD2/SCA-compliant UI flows (OTP, biometric prompts).
  • Audit XSS/CSRF vulnerabilities (CSP headers, sanitized inputs).

4. Collaboration &
Leadership

  • Mentor junior developers via code reviews and pair programming.
  • Work with UX designers to prototype high-fidelity workflows.
  • Partner with backend engineers on API contract design.
Requirements

Core Technologies:

  • Proficient in React.js, Next.js, TypeScript, and modern JavaScript (ES6+)

State Management:

  • Hands-on experience with Redux Toolkit, Zustand, or React Query for complex state handling

Styling & UI Systems:

  • Strong knowledge of CSS Modules, Tailwind CSS, and experience building/maintaining design systems using Storybook

API Integration:

  • Experience integrating with REST and GraphQL APIs using tools like Axios or Apollo Client

  • Familiarity with WebSockets for real-time data updates

Testing & QA:

  • Solid understanding of unit, integration, and end-to-end testing using Jest, React Testing Library, and Cypress

Security Practices:

  • Understanding of OWASP Top 10 vulnerabilities and frontend security best practices (e.g., Content Security Policies (CSP), JWT handling)

DevOps & Deployment:

  • Familiarity with containerization using Docker

  • Experience deploying to AWS Amplify, Vercel, or similar

  • Knowledge of CI/CD pipelines using GitHub Actions or similar tools

    • 5+ years with React.js, including 2+ years in fintech/banking.
    • Portfolio of data-intensive, secure web apps (share if possible).
    • Experience with:
      • Payment flows (ACH, SEPA, wire transfers)
      • Compliance tools (Onfido, Jumio)
      • Fraud detection UIs
Nice-to-Have
  • Mobile development (React Native/Capacitor).
  • Backend knowledge (Node.js/NestJS).
  • AWS/Azure cloud experience.
Benefits
  • Employee stock option plan (ESOP)
  • Medical insurance
  • Annual Increments
  • Company gadgets
  • Competitive salary and benefits package.
  • Opportunities for professional development and growth.
  • Collaborative and innovative work environment.
  • Chance to work on cutting-edge cloud projects.
  • Supportive and inclusive company culture.
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