Job Description

The WLP Development Engineer will support R&D and process integration activities for 2.5D wafer-level packaging (WLP)
technologies, focusing on Die Preparation, Chip Attach, and Molding
processes. The role ensures process reliability, manufacturability, and seamless integration for next-generation semiconductor packages used in AI, HPC, and memory applications

Key Responsibilities

• Develop and optimize Chip-on-Wafer (CoW)
  processes:
• Die Preparation: grinding, laser grooving, dicing saw
• Chip Attach:
  Thermo-Compression Bonding (TCB), Laser Compression Bonding (LCB)
• Mold:
  compression or transfer molding for warpage control and chip protection
• Perform material evaluations and reliability analyses (e.g., XRF, shear test, SAM).
• Design and execute DOE and FMEA to ensure robust process control and yield improvement.
• Collaborate cross-functionally with Bumping, RDL, and Failure Analysis teams for process integration.
• Monitor industry trends in equipment, materials, and 2.5D/3D packaging technologies.
• Support New Product Introduction (NPI) and yield ramp-up through structured problem-solving.
• Prepare and maintain process documentation, including flow charts, risk assessments, and engineering reports.
• Influence supplier qualification and capital equipment decisions related to 2.5D processes.
• Drive production readiness and contribute directly to yield, reliability, and revenue growth.

Requirements

• Bachelor’s degree or higher in Materials, Electronics, Chemical, Mechanical Engineering, or related field.
• Minimum 3 years of hands-on experience in semiconductor packaging process development (Die Prep, Chip Attach, or Mold).
• Strong knowledge of DOE, FMEA, SPC, and failure analysis methodologies.
• Familiarity with analytical and reliability tools such as XRF, shear test, SAM
• Excellent documentation, data analysis, and cross-functional communication skills.
• Experience in OSAT, Foundry, or Advanced Packaging (2.5D/3D, HBM, Interposer) environments is preferred

All Successful candidates can expect a very competitive remuneration package and a comprehensive range of benefits.

Please email your resume in a detailed MS Word format to joyce@peopleprofilers.com stating

1) Current Drawn

2) Expecting Salary

3) Date Available

4) Reason to Leave each job:

We regret that only shortlisted candidates will be notified

Joyce Koh Ai Leng

People Profilers Pte Ltd

20 Cecil St, #08-09, PLUS Building, Singapore 049705

Tel: 6950 9737

www.peopleprofilers.com

EA License Number: 02C4944

EA Personnel Reg nos R1110618

Job ID: