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Mobile Application Engineer

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Full-time

Japanese?

Visa maybe

Mobile

iOS

Android

Develop and operate mobile applications for Akerun access control, including system replacements, new services, alliance integrations, and common mobile-app foundations.

About this role

Photosynth, which develops the Akerun access-control system using its Akerun smart-lock IoT device, is hiring a Mobile Application Engineer. The role covers all SaaS product-development phases — design, development and operation — centered on new-feature development and existing-feature revision, including replacing existing systems to keep pace with Akerun's growth, developing new in-house services, and building alliance integrations, with opportunities to introduce new technologies and architectures with attention to performance and security. The tech stack includes Android (Kotlin, Java, RxJava, Dagger Hilt, AndroidX, Retrofit, Clean Architecture, MVVM, partly Jetpack Compose), iOS (Swift, Objective-C, SwiftUI, UIKit, CoreBluetooth, WidgetKit, Clean Architecture, MVVM) and Flutter (Dart, Provider, RiverPod, MVVM), with tooling such as GitHub, Bitrise and Figma; the company actively uses Claude and Gemini Advanced for productivity. Full-time, based in Tokyo. The posting is written in Japanese.

Job details

Location
Tokyo
Salary
5.5 - 8 million yen
Employment
Full-time
Japanese
Japanese
Visa sponsorship
Visa Sponsor
Posted
2026-07-21
Category
Software & IT

About Photosynth

Photosynth is the maker of the Akerun smart-lock and cloud access-control platform, based in Tokyo.

All Photosynth jobs & company profile →

Company details

Size
Startup
Founded
2014
HQ
Tokyo, Japan
Employees
51–200
Industry
SaaS
Funding
Series C

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This is an AI-generated summary of the employer's original posting — details can be incomplete, out of date or simply wrong. Always confirm everything on the official posting before applying.