# Senior Engineer I, Software Engineering(Cluster Tool Controller) at ASM

- Company: ASM
- Status: Open
- Workplace: On-site
- Location: South Korea > Hwaseong
- Level: Senior
- Discipline: Backend
- Employment: Full-time
- Posted: 2026-11-02
- Skills: SU3.Global Software- Legacy
- Apply: https://www.asm.com/open-vacancies/?gh_jid=5019972101

## Description

Step into a career with ASM, where cutting edge technology meets collaborative culture. ​
 For over 55 years ASM has been ahead of what’s next, at the forefront of innovation and what’s technologically possible. With more than 4,500 ASMers representing 70 nationalities, our people and our advanced semiconductor devices are playing a crucial role in trends such as 5G, cloud computing, AI, and autonomous driving.  But we’re more than just a tech company. We value diversity, inclusion and sustainability as we strive to make a positive impact on the world. Our development programs help support your growth, shaping your future and pushing the boundaries of innovation to unleash potential. 
 Job's mission 
 The CTC Software Engineer is responsible for designing, developing, and maintaining Cluster Tool Controller (CTC) software for semiconductor manufacturing equipment. This role focuses on scheduler logic, WPF-based user interfaces, and feature development to improve system stability, usability, and operational efficiency in high-volume manufacturing environments.
 What you will be working on 
• Design, develop, and maintain CTC software and wafer scheduling logic
• Implement new features and enhancements primarily in C# and / or C++ 
• Develop and optimize scheduler algorithms for wafer flow management and process control
• Design and implement WPF-based(or WinForm-based) UIs for real-time monitoring and control
• Build intuitive operator interfaces to visualize wafer flow, equipment status, and system events
• Integrate UI components with scheduler and core control logic 
• An

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