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SM
Senior Front-end Developer
SmartDev · Cầu Giấy, Hà Nội, Vietnam
About The Role
- Develop high-quality, responsive, and pixel-perfect user interfaces based on design specifications (Figma, Adobe XD, etc.)
- Build and maintain frontend components using modern HTML5, CSS3, and JavaScript
- Implement and enhance server-side rendered (SSR) or backend-driven UI
- Collaborate closely with backend engineers to integrate APIs and ensure seamless data rendering and dynamic content delivery
- Develop and customize WordPress themes, plugins, and CMS-driven solutions (including WooCommerce where applicable)
- Optimize web applications for maximum speed and performance (e.g., lazy loading, code splitting, asset optimization)
- Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
- Troubleshoot, debug, and resolve production issues with a strong sense of ownership and urgency
- Implement reusable UI components using ReactJS or Vue.js to enhance existing platforms (non-SPA architecture)
- Maintain high code quality standards through code reviews, testing, and best practices
- Collaborate with product managers, designers, and other stakeholders to deliver high-quality user experiences
- 5+ years of experience in frontend development
Strong proficiency in:  
- HTML5, CSS3 (SCSS/SASS), JavaScript (ES6+)
- Solid experience building responsive, pixel-perfect UI from design (Figma, Adobe XD, etc.)
- Hands-on experience working with Server-Side Rendering (SSR) or backend-rendered UI (e.g., Razor, PHP templating, WordPress theme development)
- Good understanding of how frontend integrates with backend systems for data rendering and dynamic content generation
- Experience working with WordPress (custom themes, plugins, WooCommerce) or similar CMS-based architectures
- Familiarity with ReactJS or Vue.js for building reusable components (used as embedded/enhancement, not full SPA)
Strong knowledge of:  
- Cross-browser compatibility
- Responsive design
- DOM manipulation & browser APIs
- Experience integrating with RESTful APIs (Axios/Fetch or similar)
Proven experience in:  
- Performance optimization (loading speed, lazy loading, asset optimization)
- Debugging and fixing production issues
- Basic backend understanding (e.g., PHP, .NET Razor, or similar) to support SSR workflows
WHAT WE OFFER
- 20 days of annual leave – Because work-life balance matters.
- Premium healthcare package with MIC and comprehensive annual health check-ups
- 13th salary bonus
- Lunch allowance to fuel your productivity.
- Exposure to cutting-edge technologies and Agile methodology in a dynamic, modern work environment.
- Engaging company culture with fun activities like team buildings, company trips.
- Chance to work with high-profile multinational clients, expanding your global experience and technical expertise.
- Global collaboration – Work with both Vietnamese and international colleagues.
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