Justin Z.

Experience

• Engineering Manager - R&D & Automation Shanghai Huatai Zhike Info Tech Co., Ltd. · Full-time Mar 2025 – Feb 2026 11 mos Shanghai, Shanghai, China Led an 8-person multidisciplinary engineering team combining mechanical design and control algorithms to resolve equipment instability.
  
  Key achievements & technologies:
  • Upgraded system architecture by introducing high-performance C# (WPF/WinForms) HMI software for multi-axis motion and vision inspection, enabling local database storage and full product traceability.
  • Designed and programmed complex multi-axis servo synchronization schemes using Siemens S7-1200/1500 PLCs, resolving high-speed positioning drift and improving system accuracy by 15%.
  • Standardized the R&D workflow across mechanical design, electrical sequences, and software interfaces, reducing system commissioning cycles by 20%.
• Engineering Manager - Custom Automation Hefei Puruisi Machinery Technology Co., Ltd. · Full-time Mar 2023 – Feb 2026 2 yrs 11 mos Hefei, Anhui, China Managed the technical team and independently spearheaded core R&D, successfully delivering over 20 custom non-standard automation projects.
  
  Key achievements & responsibilities:
  • Built and trained a 12-person engineering team, establishing standardized workflows that cut initial design rework rates from 15% down to under 3%.
  • Led the R&D of the company's core product (an automated thermal transfer printer) from initial customer requirement to site commission.
  • Handled end-to-end project management, including budget, timeline control, and customer-facing technical support.
• Engineering Manager - Mechatronics Huaike Suzhou Technology Co., Ltd. · Full-time Mar 2023 – Jan 2025 1 yrs 10 mos Shanghai, Shanghai, China Managed a 20-person mechatronics R&D team covering mechanical design, electrical control, assembly, and commissioning.
  Key achievements & responsibilities:
  • Standardized cross-disciplinary technical interfaces and introduced agile project management, reducing communication friction and improving system integration efficiency by 15%.
  • Oversaw department strategy, risk mitigation, and resource allocation for multiple large-scale industrial projects, shortening delivery cycles by 10%.
  • Served as the final technical gatekeeper for system designs, optimizing mechanical CAD structures and key electrical components to reduce overall BOM cost.