株式会社オプティム
Open positions
フロントエンド(オープンポジション)／フロントエンドエンジニア・コーダー
Frontend engineer (open position) at OPTIM, a TSE Prime-listed AI/IoT company. Day to day: designing and implementing web apps with React, Next.js, and TypeScript, UX/UI-focused screen design, reusable component and API interface design, plus testing/docs improvements and using LLM/code-generation tools for efficiency. Hybrid work (3 days office / 2 days remote).
Windowsエンジニア／システムエンジニア（パッケージソフト・ミドルウェア）
Windows engineer/system engineer at OPTIM, a TSE Prime-listed AI/IoT company: develop and maintain Windows applications and agents in C++/C# with Win32API, analyze OS behavior to troubleshoot issues, and coordinate technical requirements across departments. Hybrid work from Tokyo HQ (3+ office days, up to 2 remote days).
バックエンドエンジニア／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
Backend/system engineer at TSE Prime-listed OPTiM developing its MDM product 'OPTiM Biz': new features, requirements definition and basic design, adapting to Google/Apple spec changes, refactoring, and multi-platform testing (iOS/Android/Windows/Mac). Starts on Windows C/C++, expanding to other platforms. Hybrid: 3 office days + up to 2 remote days weekly.
モバイルエンジニア／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
Mobile engineer at TSE Prime-listed OPTiM in Tokyo, developing iOS (Swift/Objective-C) and Android (Kotlin/Java) apps for in-house products like OPTiM Taglet and AI Camera — covering planning, design, implementation, testing, upstream requirements work, and using generative AI (Claude) to boost development efficiency. Hybrid work: 3+ office days, up to 2 remote days.
インフラエンジニア／サーバ設計・構築（LAN・WAN・インターネット）
Infrastructure engineer at OPTiM, a TSE Prime-listed AI/IoT company, designing, building, and operating the platform behind OPTiM Biz, a leading Japanese MDM used by 180,000+ companies. Work spans requirements definition, hybrid on-prem/cloud architecture, Linux server clusters, Docker/Podman containers, and GitLab CI/CD, with shell scripting and some Ruby.
Windowsエンジニア／プロジェクトマネジャー・リーダー(WEB・オープン・モバイル系）
Windows engineer / PM-leader at OPTiM (TSE Prime-listed) who develops and maintains Windows applications and agents in C++/C# with Win32API — design, implementation, verification, refactoring, and OS-level log analysis/troubleshooting — plus technical coordination across internal teams, using generative AI tools (Claude Code, Codex) to streamline docs and dev workflows.
バックエンド(オープンポジション)／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
Backend systems engineer at OPTiM, a TSE Prime-listed AI/IoT company, leading server-side design, API development, and DB optimization for its own products (incl. the No.1-share MDM 'OPTiM Biz') and AI-transformation products for construction, healthcare, and government. Work starts in Go, Java, Python, or Ruby on Rails, with hybrid office/remote work.
Webアプリエンジニア（テックリード）／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
Tech lead for web application development of OPTiM's own smart-agriculture service: owns architecture design and tech selection, drives requirements definition and new feature development, builds AI-assisted dev workflows (Claude Code, Codex), and improves performance using Go and React. Hybrid work (3 office days/2 remote) across Tokyo, Kobe, Iizuka, or Saga offices.
モバイルエンジニア／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
Mobile engineer at OPTiM, a TSE Prime-listed AI/IoT company, developing its own mobile products: requirements definition and architecture design in the upper process, iOS (Swift/Objective-C) or Android (Kotlin/Java) app implementation and testing, plus refactoring and LLM/AI-assisted development efficiency. Hybrid work from the Tokyo (Minato) HQ with up to 2 remote days per week.
Web開発（オープンポジション）／システムエンジニア（アプリ設計／WEB・オープン・モバイル系）
Open-position web/system engineer at OPTIM, a TSE Prime-listed AI/IoT company developing its own AX products for healthcare, construction, government, and AI camera analysis. Engineers join backend, frontend, mobile, infra, or QA projects using Go, Python, TypeScript, Swift, and C++, working from Tokyo, Kobe, Iizuka, or Saga offices with remote work available.
Webアプリ開発（リーダー候補）／プロジェクトマネジャー・リーダー(WEB・オープン・モバイル系）
At a Tokyo-based, TSE Prime-listed AI/IoT company, you'd develop and maintain the core remote-control and screen-sharing features of its own products (Windows C/C++ first, expanding to Mac/iOS/Android) while leading and mentoring a 4-5 person team, coordinating priorities with planning/business units, and improving dev processes with AI coding tools.