Senior Application Engineer Leader

Date PostedMay 25, 2026LocationAsia Japan Tokyo ShibuyaCompanyDejimal IncSalaryJPY 7000K - JPY 12000KTypeit (pc, web, unix) - web application se it (pc, web, unix) - business application se it (mainframe) - application se

Job Summary

The Senior Application Engineer (Leader) manages the full software development lifecycle from requirements definition to release. The role focuses on delivering high-quality business and consumer applications using agile methodologies. You will lead teams and collaborate with clients to translate business needs into innovative technical solutions.

Responsibilities

Define technical requirements and project scope
Lead application development from design to release
Coordinate with customers on specifications and deadlines
Support post-launch maintenance and business enhancements

Required Skills

Full-lifecycle software development experience
Team leadership (3+ people)
Agile/Scrum methodology
Frontend (React/TS/JS) and Backend (NodeJS/Ruby/Go) expertise
Infrastructure knowledge (AWS/Azure/Docker)

Job Details

[Job Description] - Requirements definition. - Integrated support for new projects from design to development to testing to release (Focusing on agile development and WF development projects). - Post-launch enhancement support including maintenance and responding to changes in business. [Specific Project Examples] - Business planning and app development for consumer services for the restaurant industry. - Development of new services for office management using IoT devices and smart city development. - Development and improvement of B2C websites with ingenious UX and marketing approaches. [Working Hours] 9:00 AM - 6:15 PM (Break: 12:00 PM - 1:00 PM, 3:00 PM - 3:15 PM / 8 hours of actual work). [Job Requirements] [MUST] - Experience in the entire process from the basic design phase to release. - Experience leading a team of three or more people. - Experience coordinating requirements/specifications and deadlines with customers. [WANT] - Ability to lead system planning and requirements definition processes. - Experience with maintenance enhancement projects. - Experience leading projects of 100 man-months or more. - PWA development experience. - Knowledge of design-oriented approaches. - 0→1 development experience. - Agile development experience. - Experience as a Scrum Master or Tech Lead. [Benefits & Environment] - Complete social insurance coverage. - Education and training. - 2 days off per week (Saturday and Sunday) and national holidays. - Paid vacation (10-20 days). - Over 120 days of annual holiday. - Full-time employment with a 3-month probationary period.