Intern for AI Full Stack Developer (Frontend)

We’re looking for a Frontend Engineer who combines solid engineering skills with a strong sense of design and user experience.

You’ll take ownership of the architecture, development, and optimization of KokoroLab’s web interfaces, working closely with designers and backend engineers to deliver elegant and performant products.

• Develop and maintain core frontend architecture and components;

• Collaborate with designers, backend and ML engineers to deliver seamless user experiences;

• Optimize UI performance across browsers and devices;

• Build and maintain a modular, scalable component system;

• Continuously explore new frontend technologies and propose improvements.

Job Requirements: 

• Strong proficiency in HTML5 / CSS3 / JavaScript (ES6+);

• Deep experience with React / Vue / Next.js (React preferred);

• Familiarity with TypeScript and modern state management (Redux, Recoil, Zustand);

• Experience with API integration and visualization (GraphQL / REST / Chart.js / D3.js);

• Understanding of build tools and CI/CD pipelines (Webpack, Vite, GitHub Actions);

• Strong attention to UI/UX quality and performance optimization;

• Collaborative mindset and self-driven working style.

Preferred Qualifications:

• Experience with AI-based platforms / creator tools / anime visual products;

• Knowledge of Canvas, WebGL, or Three.js for dynamic graphics rendering;

• Familiar with SSR and frontend performance tuning;

• Bonus: full-stack experience (Node.js / Express / GraphQL);

• Aesthetic sensitivity and passion for crafting interactive, design-rich experiences.

Benefits:

• Gain hands-on experience in a leading AI company at the forefront of technological advancements.

• Work closely with a diverse team of experts and professionals in the AI industry.

• Opportunity to showcase your skills and potentially secure a future career with the company.

• Official annual leaves and medical leaves given.

• Potential for performance-based incentives and awards, or opportunity to be converted into full time staff.