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Jairo Contreras

Jairo Contreras

Precalculus Course Grader

Followers of Jairo Contreras846 followers
location of Jairo ContrerasAustin, Texas, United States

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  • Timeline

  • About me

    Customer Support Engineer at KLA

  • Education

    • The University of Texas at Austin

      2020 - 2024
      Bachelor of Science - BS Physics, Computation option

    • Colombo American School

      2006 - 2019
      High School Diploma

  • Experience

    • OnRamps

      Sept 2021 - May 2023
      Precalculus Course Grader

      • Ensured fairness and objectivity in the evaluation of student work by meticulously grading more than 8,000 course assignments within the Canvas Learning Management System• Contributed to course prototyping, user testing, and continuous improvement efforts• Demonstrated strong attention to detail and time management skills, meeting grading deadlines and effectively managing a high volume of assignments

    • College of Natural Sciences, The University of Texas at Austin

      May 2022 - Dec 2024

      • Incorporated 10+ STEM textbook questions per week into the Quest platform using JavaScript and Tex programming languages • Identified and resolved programming errors within the Quest system related to question content and format for optimal functionality • Created plots for 25% of the questions using Matplotlib library in Python to ensure accurate representation of the question content • Classified membership data for 500+ observatory members based on membership features using Python and Excel • Performed statistical analysis for monthly membership renewal rate, identifying strategies to minimize churn • Verified consistency of data between the internal database and the UT Austin VIP 3.0 central repository for donors • Prepared 3+ experiments for lectures on a daily basis, enhancing teaching through practical demonstrations of physical concepts • Developed 15+ new experiments in mechanics, electricity, magnetism, and thermodynamics, including instructional file creation • Trained 6 new student researchers in conceptual physics, experimental techniques, and scientific writing • Built a quantum entanglement experiment using optical mirrors, single-photon detectors, and non-linear crystals • Executed and analyzed 20+ runs of single-photon detection data to identify coincidences and confirm entanglement • Coded a Python data visualization model using NumPy and Matplotlib to compare theory with experimental results

      • Quest Student Programmer

        May 2023 - Dec 2024

      • McDonald Observatory Data Analysis Intern

        May 2023 - Aug 2023

      • Physics Undergraduate Research Assistant

        Aug 2021 - Aug 2023

      • Quantum Optics Lab Undergraduate Research Assistant

        May 2022 - Aug 2022

    • The University of Texas at Austin

      May 2022 - Aug 2022
      Falicities Student Assistant

      • Created a clear process for receiving and tracking maintenance requests, ensuring that each request was properly documented and followed up on• Implemented a digital system for tracking and managing university property, making it easier to locate and organize items when needed

    • ASML

      May 2024 - Aug 2024
      EUV Customer Support Engineer Intern

      • Conducted defect monitoring and root cause analysis on EUV lithography systems, enhancing performance and reliability • Collaborated with production teams at TSMC Fab 21, improving process integration to optimize overall production efficiency • Implemented a machine health KPI dashboard in Grafana, facilitating data-driven decision making and improving cycle time by 15%

    • KLA

      Feb 2025 - now
      Customer Support Engineer

  • Licenses & Certifications

  • Honors & Awards

    • Awarded to Jairo Contreras
      Nancy Francis and William Arnold McMinn Endowed Presidential Scholarship in Physics Fall 2024 Deparment of Physics at UT Austin Aug 2024 Scholarship awarded for excellence in Physics and for my contributions as a part-time student worker at UT Austin.
    • Awarded to Jairo Contreras
      General ISSS Financial Aid Scholarship Fall 2024 Texas Global at UT Austin May 2024 The General ISSS Financial Aid award provides a cash scholarship for international students who demonstrate financial need. This is a competitive process as the number of awards allotted per semester is limited.
    • Awarded to Jairo Contreras
      International Education Fee Scholarship Fall 2024 Texas Global at UT Austin May 2024 The International Education Fee (IEF) Scholarship was initially established in 1989 by a student referendum. The IEF Scholarship supports scholarships for both incoming international students and outbound students studying abroad.
    • Awarded to Jairo Contreras
      Dr. Arnold Romberg Endowed Scholarship Fund in Physics 2023 - 2024 Department of Physics at UT Austin Jun 2023 Scholarship awarded for excellence in Physics and for my contributions as a part-time student worker at UT Austin.
    • Awarded to Jairo Contreras
      Good Neighbor Scholarship 2023-2024 Texas Higher Board of Education May 2023 The Good Neighbor Scholarship is a highly competitive award targeted at Western Hemisphere-based international students who show academic achievement and school involvement.
    • Awarded to Jairo Contreras
      Darrell W. Moffit, Jr. Memorial Endowed Presidential Scholarship in Physics 2022 - 2023 Department of Physics at UT Austin Jul 2022 Scholarship awarded for excellence in Physics and for my contributions as a part-time student worker at UT Austin.
    • Awarded to Jairo Contreras
      Good Neighbor Scholarship 2022-2023 Texas Higher Board of Education May 2022 The Good Neighbor Scholarship is a highly competitive award targeted at Western Hemisphere-based international students who show academic achievement and school involvement.
    • Awarded to Jairo Contreras
      College Scholar College of Natural Sciences at UT Austin Apr 2022 Recognition awarded for students with at least 60 semester hours of college coursework who are in the top 20 percent of their class in their college.
    • Awarded to Jairo Contreras
      Melvin J. Rieger Scholarship Fund in Physics 2021 - 2022 Department of Physics at UT Austin Jun 2021 Scholarship awarded for excellence in Physics and for my contributions as a part-time student worker at UT Austin.