John David Barrientos

Data-driven Business Process Analyst and a Process Technical Engineer, I combine hands-on thermal manufacturing experience with full-stack analytics. I specialize in firing profile tuning and tool-to-tool matching to reduce variance and boost operational yield.

Using

Python, MySQL, Power BI, Advanced Excel, Spotfire, and Minitab, I map complex workflows, perform statistical quality control, and build automated KPI reporting to streamline processes across cross-functional teams.

Process Technical Engineer - Samsung Electro-Mechanics Philippines (SEMPHIL)

(2024-02)

• Optimized firing process thermal profiles and conducted tool-to-tool matching across firing equipment to standardize process parameter uniformity and minimize equipment-to-equipment variation.
• Analyzed thermal processing profiles, thermal stress curves, and equipment performance metrics from operational data using TIBCO Spotfire and Excel to identify capacity bottlenecks, optimize workflows, and increase throughput by 10–25%.
• Mapped "As-Is" vs. "To-Be" process and machine workflows to reduce cycle time, ensure continuous production line flow, and increase overall output.
• Executed SPC analysis and hypothesis testing in Minitab to stabilize heat treatment stages and maintain target defect rates.
• Created interactive yield and Mass Production Quality Assurance (MPQA) process parameter dashboards in TIBCO Spotfire, delivering real-time visibility into overall process health for executive and operations leadership decision-making.
• Facilitated cross-functional collaboration between operations, quality, and technical leads to translate functional requirements into solutions that eliminate operational bottlenecks.
• Authored standard functional process specification documents to facilitate change management and ensure cross-departmental alignment for new process rollouts in compliance with quality standards.

Bachelor of Science - Chemical Engineering - University of Santo Tomas (2018-08 - 2022-06)