About the Role
We are looking for a Senior Frontend Engineer to build high-quality user interfaces for Masan's loyalty & membership application, CRM platform, and digital engagement ecosystem. You will work on customer-facing products used by millions of consumers across Masan's retail, FMCG, and commerce businesses.
This role requires strong expertise in modern frontend frameworks, performance optimization, scalable UI architecture, and close collaboration with Backend, Product, and Design teams to deliver seamless user experiences at scale.
Key Responsibilities
- Design and build high-quality, scalable web applications for loyalty, CRM, and digital engagement platforms.
- Develop reusable, maintainable frontend architecture using modern frameworks (React preferred).
- Optimize frontend performance (rendering, bundle size, loading time) to support large-scale usage.
- Work closely with Backend engineers to integrate APIs (REST/gRPC) effectively.
- Collaborate with cross-functional teams to deliver features end-to-end.
- Ensure consistent UI/UX quality across products through clean code and design system usage.
- Implement best practices for state management, component architecture, and code structure.
- Write unit tests and contribute to overall frontend code quality.
- Participate in code reviews, technical discussions, and architecture decisions.
- Troubleshoot production issues and continuously improve frontend performance and reliability.
Qualifications
- 3–5+ years of frontend development experience with strong hands-on expertise.
- Strong proficiency in JavaScript/TypeScript and modern frameworks (React is strongly preferred).
- Solid understanding of HTML5, CSS3, responsive design, and cross-browser compatibility.
- Experience with state management (Redux, Zustand, React Query, or similar).
- Experience working with RESTful APIs and understanding backend integration.
- Familiarity with frontend performance optimization techniques.
- Experience with modern build tools (Vite, Webpack, etc.).
- Experience with Git workflows and collaborative development.
- Understanding of frontend testing practices (Jest, React Testing Library, Cypress, etc.).
Nice to have
- Experience in high-traffic consumer products (e-commerce, fintech, loyalty, CRM, etc.).
- Experience with data visualization libraries (ECharts, Recharts, D3.js, etc.).
- Background in Retail, FMCG, or Supply Chain domains.
Why join Masan
- Contribute to high-impact digital platforms used by millions of consumers.
- Solve challenging engineering problems with large-scale and complex system requirements.
- Work in a dynamic, product-driven environment with strong cross-functional collaboration.
- Competitive compensation package and strong opportunities for advancement across Masan's multi-sector ecosystem.
