Julian Yap

Software Engineer at Pajakku (2022-02 – Present)

Executed the migration of the core web application from Next.js 9 to Next.js 14, upgrading routing patterns and modernizing data fetching methods to improve both application performance and developer experience.
Developed and maintained full-stack features utilizing the MERN stack (MongoDB, Express.js, React.js, Node.js), writing RESTful API endpoints and handling database queries.
Built and structured frontend features for the Income Tax service using Next.js and TypeScript. Implemented root-level component organization and utilized CSS Modules for scoped, maintainable styling.
Collaborate closely with product managers and engineers to define and refine technical requirements, managing development cycles and tasks using Jira.
Integrated Next.js applications with a headless WordPress CMS, writing custom API connections to synchronize content data across web properties.
Managed local and staging environments using Docker to ensure consistency across development, testing, and deployment workflows.
Optimized Core Web Vitals by auditing with Lighthouse, increasing performance scores from 30 to 85 through code splitting, image optimization, and component memoization.

Frontend Engineer at Pajakku (2021-09 – 2022-02)

Built reusable UI components with React.js, implementing pixel-perfect designs from Figma and ensuring cross-browser compatibility across the platform.
Debugged production issues by utilizing Postman to validate REST API responses, reducing bug resolution time and improving application stability.
Participated in Agile/Scrum rituals, including sprint planning, design handoffs, and peer code reviews.

Android at Bangkit Academy (2021-02 – 2021-12)

Completed an intensive, Google-led career readiness program focused on native Android development
Developed and presented a capstone project as part of a cross-functional team, solving a real-world problem with a functional Android application

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