Web Application Engineer

Date PostedJune 30, 2026LocationMinato, Tokyo, JapanCompanyWith World Corp.Salary¥5,460,000 - ¥12,600,000Typeit (pc, web, unix) - web application se it (pc, web, unix) - fullstack engineer it (pc, web, unix) - front-end engineer

Job Summary

We are seeking a Frontend Engineer to develop highly functional HR and labor management software. You will define requirements, design features, and implement modern frontend solutions using a Scrum-based approach. The role involves close collaboration with designers and product managers to improve overall product quality and team development capabilities.

Responsibilities

  • Develop and maintain HR labor management software
  • Design and implement new user-friendly frontend features
  • Ensure system performance, reliability, and security
  • Collaborate within a Scrum/LeSS development framework

Required Skills

  • Japanese N1 proficiency
  • 3+ years experience with HTML/CSS/JS/TypeScript
  • 2+ years with React, Vue.js, Angular, or Web Components
  • 3+ years of SPA development experience

Job Details

Responsibilities: * Realizing highly functional attendance management that meets diverse work styles and industry-specific needs. * Pursuing efficiency and accuracy of overall labor management through integration with other functions. * Providing a user-friendly UI. * Ensuring compliance with the latest laws and regulations and supporting corporate compliance. * Defining requirements, designing, and implementing new features. * Monitoring and improving performance and reliability based on SLO/SLI. * Maintaining and improving product quality. * Designing and implementing data integration and API integration with external systems. * Promoting development using Scrum development (under the LeSS framework). * Responding to technical inquiries within the team. * Infrastructure-related tasks in your assigned area. Job Requirements: * Japanese: Near-native level (N1 or higher). * Experience working in Japan. * 3+ years of development experience using HTML/CSS/JavaScript. * 3+ years of development experience using TypeScript (including personal projects). * 2+ years of practical development experience using one of the following: React, Vue.js, Angular, or Web Components. * 3+ years of SPA (Single-Page Application) implementation experience. * Experience in design and technology selection in projects, replacing legacy environments with modern frontends, and knowledge of performance tuning and frontend security. * Ability to maintain transparency, ensure psychological safety, and focus on user value. Working Conditions: * Standard working hours: 10:00 AM - 7:00 PM (Flexible 5:00 AM - 10:00 PM). * Annual holidays: 120 days or more. * Full-time employment with a 3-month probationary period.