Senior Software Engineer, Frontend

What you’ll Do:

• Develop frontend parts of various services of LINE MAN Wongnai / LINE Pay, including API Gateway that supports each client platform, both Web App and Mobile App.
• Deliver quality and efficient software - easy to maintain, testable and reusable.
• Collaborate with product and design teams to enhance user experience on Android applications for both LINE MAN Wongnai / LINE Pay.
• Optimize web performance by reducing file sizes, refining code for easier maintenance, and improving team productivity.
• Stay updated on the latest technologies and implement them to continuously improve product development.

What you’ll Need:

• Able to use JavaScript (ES6), HTML5, CSS3 proficiently.
• Understanding of Web Technology and Responsive Design
• Knowledge and understanding of Data Structures, Algorithms, OOP, Design Patterns, and Best Practices.
• Growth mindset, willing to learn new things and teach others.
• Able to communicate in both spoken and written English and Thai.

It’d be Great if you have:

• Minimum 3 year of experience in Web Application on React and able to design systems and work with large code bases very well.
• Deep knowledge and understanding of JavaScript, HTML5, CSS3, ES6, React, Redux, webpack, Node.js and able to design systems and develop Responsive Websites.
• Experience in Universal React, GraphQL, ImmutableJS, SCSS.
• Deep knowledge and understanding of Flux architecture, Critical-Rendering Path, Browser Networking, Reactive Pattern, Design Patterns and Best Practices.
• Understanding Backend development systems such as Java, Node.js, Golang or Python.
• Experience in optimizing page load speed, rendering speed or time to interactive.
• Good communication skills in public speaking and writing.
• Provide advice, mentor and coach other team members.