Senior Frontend Developer

About the Role

Phaya Ratchasri Company Limited — Onsite, Full-time.

Responsibilities

• Develop, maintain, and optimize user interfaces across all company websites using React and Next.js.
• Collaborate closely with graphic designers to ensure accurate implementation of visual designs and interactive functionality.
• Maintain a consistent, branded look and feel across all digital platforms.
• Ensure cross-browser compatibility and compliance with modern web standards and accessibility guidelines.
• Stay up to date with the React ecosystem, performance optimization techniques, and modern frontend best practices.
• Implement Server-Side Rendering (SSR) and Static Site Generation (SSG) using Next.js to enhance SEO and performance.
• Review, maintain, and enforce high-quality code standards; provide support and mentorship to other frontend developers.
• Design and manage responsive, pixel-perfect email templates and support mass email campaigns.
• Perform additional tasks as assigned by the line manager.
• Contribute to a positive, collaborative, and innovation-driven team environment.

Qualifications

• Bachelor’s degree in Computer Science or a related field.
• 5+ years of experience in frontend development, with a strong focus on React and Next.js.
• Strong proficiency in JavaScript (ES6+), including DOM manipulation and React lifecycle concepts.
• Solid understanding of Next.js features, including routing, API routes, middleware, and performance optimization.
• Advanced knowledge of HTML5, CSS3, and modern styling methodologies (CSS Modules, Tailwind CSS, SCSS).
• Experience with headless CMS integrations and SEO best practices for web applications.
• Basic working knowledge of backend technologies such as PHP or Python.
• Proficiency with Git and familiarity with Agile development workflows.
• Ability to thrive in a fast-paced environment and meet tight deadlines.
• Fluent in English, with strong verbal and written communication skills.

Additional Information

• Thai nationality only