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Jobs→株式会社オプティム→In-house Product | Windows Engineer - Design, Develop, and Maintain Core Windows Applications & Remote Control Software - Lead the Windows Domain Technically

In-house Product | Windows Engineer - Design, Develop, and Maintain Core Windows Applications & Remote Control Software - Lead the Windows Domain TechnicallyEnglish summary from Japanese

株式会社オプティム

✓ Detailed
Salary
450-700万円
Location
<本社>東京都港区海岸1丁目2番20号 汐留ビルディング18F ※リモート:可(週3日以上出社、週2日リモート) (変更の範囲)会社の定める事業所
Job Type
Full-time
Work Style
・休憩時間:1時間 ・平均残業時間:20時間(2026年7月時点)
Apply on LEVTECH

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

As a Windows Engineer, you will design, develop, and maintain core Windows applications and remote control software for our main product, OPTiM Biz. You will be responsible for the entire client-side development lifecycle, from new feature additions to legacy code refactoring and bug fixes.

Must-haves

  • Experience in designing, implementing, verifying, and maintaining Windows applications and agents using C++, C#, and Windows API (Win32).
  • Experience developing client applications for remote PC access, including core feature modifications/improvements for screen sharing and remote control.
  • Ability to investigate the impact of new features on existing systems and other OS, and perform refactoring.
  • Troubleshooting skills including root cause analysis, OS behavior analysis, and log analysis.
  • Experience coordinating technical requirements and negotiating schedules with business stakeholders and other units (planning, support, testing teams).

Nice-to-haves

  • Experience with MFC for UI construction.
  • Familiarity with server-side連携 using Ruby on Rails.
  • Experience with TypeScript.
  • Experience with mobile native languages (Swift/Kotlin).
  • Experience utilizing generative AI (Claude Code, Codex) for tasks like requirement definition, documentation creation, and development process efficiency.

Tech stack

C++C#Windows API (Win32)MFCRuby on RailsTypeScriptSwiftKotlinGitLabClaude CodeCodex

Work style

Onsite (Location not specified)

About the Company

株式会社オプティム

Visit Website
Posted7/9/2026
Updated2026-07-12 23:30:33
Sourcelevtech