Senior Frontend Developer (ReactJS, VueJS, UI-UX)

- Over 5 years of experience as a software engineer(frontend developer), and over 3 years of experience with modern frameworks such as React.- Design of front-end architecture- Practical experience and mentoring in code reviews.- Experience in operating and building CI/CD.- Experience with version control systems such as Git.- API specification design in collaboration with back-end engineersSpecific technical requirements- Experience in developing chat interfaces or experience with using open-source software (OSS) for chat interface and functions- Proficiency in HTML, CSS, and JavaScript with development experience in frontend coding.- Having working experience with backend languages like PHP is a strong plus.- Understanding and development experience with component-based frameworks like React or [protected info] Familiarity with UI component libraries such as Material-UI (React) or Vuetify ([protected info]), with hands-on development experience.- Knowledge and experience in communicating with backend APIs using Axios, Fetch API, etc.- Experience with real-time messaging technologies like WebSocket for sending and receiving messages in real time.- Understanding and experience in user authentication using JWT, OAuth, etc.- Experience with libraries for internationalization to support multiple languages.- Experience with frameworks and libraries for debugging and automated testing.Preferred Experience- Experience developing chat interfaces for platforms such as Slack, Line, or Microsoft Teams.- Experience using design tools such as Adobe Photoshop, Adobe Illustrator, Adobe XD, or Figma for wireframing, prototyping, and visual design.- Experience with implementing Retrieval-Augmented Generation (RAG).- Experience with designing and building cloud computing platforms like Azure or AWS.Language Requirements:Japanese from N3 (requires proficiency in technical and professional communication) or English for workplace communication.If you have both, that's a plus.