ADAS HMI Engineer, Customer Application

Woven Planet

ADAS HMI Engineer focusing on HMI control applications for advanced driver assistance systems at Woven by Toyota. Leading projects from planning to implementation while collaborating with various teams.

Posted 5/25/2026full-timeTokyo • 🇯🇵 JapanMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

FlutterPythonUnity

About the role

Key responsibilities & impact

Lead the team in defining requirements, designing functionality including communication specification between electronic control units for the HMI control application, software implementation and validation
Conduct HMI evaluations using a vehicle and a driving simulator, and work with team members and related applications teams to quickly respond to specification changes
Conduct reviews and provide advice to ensure software quality in mass-production development
Negotiate with Toyota Motor Corporation and the other partners to establish development items, schedules, and budget
You will come to our office 3 days per week following our hybrid work policy

Requirements

What you’ll need

3+ years in software engineering for consumer-focused applications
Experience as tech lead, helping other programmers with software implementation projects
Experience working directly with a variety of teams both internal and external to understand and share the requirements, specifications and the technical details
Ability and experience communicating in Japanese, including written and oral, in a working environment
3+ years of experience in HMI development for mass production vehicles or development of control software for cockpit ECUs of Meter, HUD, or multimedia systems (nice to have)
3+ years of production-level programming experience in C (nice to have)
Experience in embedded or ECU software development (practical experience in software architecture design, software implementation, verification, and evaluation) (nice to have)
Experience in model-based development (MBD) using MATLAB, Simulink, or similar technologies (nice to have)
Experience in mobile/web/desktop application development using Python, Flutter, Unity, Blender, or similar (nice to have)
Background with automotive industry standards such as functional safety (ISO 26262) and SOTIF (nice to have)
Project management experience with Agile/Scrum (nice to have)
Driving simulator development experience (nice to have)
Experience in UX planning and interactive design (nice to have)

Benefits

Comp & perks

Competitive Salary - Based on experience
Work Hours - Flexible working time
Paid Holiday - 20 days per year (prorated)
Sick Leave - 6 days per year (prorated)
Holiday - Sat & Sun, Japanese National Holidays, and other days defined by our company
Japanese Social Insurance - Health Insurance, Pension, Workers’ Comp, and Unemployment Insurance, Long-term care insurance
Housing Allowance
Retirement Benefits
Rental Cars Support
In-house Training Program (software study/language study)

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Hard Skills & Tools

HMI developmentsoftware implementationproduction-level programming in Cembedded software developmentsoftware architecture designverificationevaluationmodel-based developmentMATLABSimulink

Soft Skills

team leadershipcommunicationnegotiationcollaborationproblem-solving