Senior Application Engineer

6 days ago


Hsinchu City, Taiwan Qnity Full time NT$900,000 - NT$1,200,000 per year

This role is senior technical professional with high competency in a focus area or application, driving value-creating solutions for customers and other stakeholders. Key Responsibilities: Lead technical engagement with customers on wet etchant and cleaning solution performance, integration, and optimization. Collaborate with R&D to translate customer process needs into chemical formulation improvements and application guidelines. Evaluate and optimize in-house lab tools to simulate customer process conditions for demo and data correlation. Lead a laboratory team to plan, prioritize, and complete technical projects supporting customer requests and evaluations. Deliver detailed technical reports and presentations summarizing experimental results, process recommendations, and application notes. Identify and troubleshoot process-related issues through root cause analysis and solution-oriented experimentation. Evaluate, upgrade, and design in-house lab tools to better simulate customer environments and meet technical evaluation needs. Required Qualifications: Master's degree or above in Chemical Engineering, Materials Science, or a related field. Minimum 5–7 years of experience in semiconductor wet process applications, ideally in application engineering or process engineering roles. Familiar with major wet clean tool vendors (e.g., TEL, Screen, LAM) and customer process environments, especially TSMC. Hands-on experience with wet clean tool recipe tuning, process setup, and optimization on wet bench and/or single wafer tools (e.g., TEL, Screen, LAM). Experience in DOE design, root cause analysis, and troubleshooting across process and hardware variables. Skilled in customer engagement, including technical communication, problem-solving, and joint development activities. Collaborative mindset for working with R&D, product management, and equipment vendors. Fluent in English writing, reading and speaking Safety and business ethics - high consciousness is required.

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