Learn Data Skills
Beta
Qi Cai

Qi Cai

Machine Learning Engineer

Freelance

Technologies

My Portfolio Highlights

My New Project

The GitHub History of the Scala Language

My New Course

Introduction to Python

Data alchemist, turning data into gold with the touch of analysis.

My Work

Take a look at my latest work.

course

Introduction to SQL

course

Introduction to ChatGPT

course

Introduction to Python

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Freelance | Aug 2023 - Present

Data Analyst / Scientist

Data Analysis and Exploration: - Analyze large, diverse datasets to identify trends, patterns, and insights. - Conduct exploratory data analysis to understand the underlying structure of the data. Model Development: - Design, develop, and implement machine learning models for predictive and prescriptive analytics. - Fine-tune models to improve performance and accuracy. Feature Engineering: - Identify relevant features and variables to enhance model performance. - Collaborate with domain experts to incorporate domain knowledge into feature engineering. Data Preprocessing: - Cleanse and preprocess raw data for modeling purposes. - Address missing data, outliers, and other data quality issues. Evaluation and Validation: - Develop and implement rigorous testing and validation procedures for models. - Evaluate model performance using appropriate metrics and make improvements as necessary. Collaboration: - Work closely with cross-functional teams to understand business requirements and translate them into data science solutions. - Communicate findings and insights to both technical and non-technical stakeholders.
Show More

Trimark Associates Inc. | Sep 2019 - Aug 2022

Project Design Engineer

Designed SCADA racks, networking, CAISO meter, and meteorological monitoring cabinets for utility-scale energy plant (up to 810MW PV + BESS) - Collaborated closely with cross-functional teams including project management, production, IT networking, and SCADA engineering, field technician departments to achieve scalable and innovative solutions - Streamlined the design process and ensured iteration of project components to meet and exceed customer/project specifications, emphasizing growth-oriented strategies to accommodate evolving industry standards and client needs - Reviewed client-supported documents: electrical and construction drawings, metering SLD and 3LD to gather details and requirements to design products - Configured and completed shop testing on meteorological instruments: Hukseflux pyranometers, IMT module temperature sensors, Campbell Scientific back of module temperature sensor, Lufft Smart weather sensors - Evaluated shop test data to ensure optimal performance for each meteorological sensor - Performed site inspections, met with engineers, took pictures, and redlined drawings to complete the final as-built design packageDesigned SCADA racks, networking, CAISO meter, and meteorological monitoring cabinets for utility-scale energy plant (up to 810MW PV + BESS) - Collaborated closely with cross-functional teams including project management, production, IT networking, and SCADA engineering, field technician departments to achieve scalable and innovative solutions - Streamlined the design process and ensured iteration of project components to meet and exceed customer/project specifications, emphasizing growth-oriented strategies to accommodate evolving industry standards and client needs - Reviewed client-supported documents: electrical and construction drawings, metering SLD and 3LD to gather details and requirements to design products - Configured and completed shop testing on meteorological instruments: Hukseflux pyranometers, IMT module temperature sensors, Campbell Scientific back of module temperature sensor, Lufft Smart weather sensors - Evaluated shop test data to ensure optimal performance for each meteorological sensor - Performed site inspections, met with engineers, took pictures, and redlined drawings to complete the final as-built design package Skills: Data Analytics · Electrical Engineering · Troubleshooting · Project Coordination · Leadership · Site Inspections · Datasets · AutoCAD · Hardware Configuration · Design EngineeringSkills: Data Analytics · Electrical Engineering · Troubleshooting · Project Coordination · Leadership · Site Inspections · Datasets · AutoCAD · Hardware Configuration · Design Engineering

My Education

Take a look at my formal education

Certificate in Data ScienceFlatiron School | 2023
Certificate in UX Foundations: Visual and UI design courseDesignlab | 2022
B.S. in PhysicsUniversity of California, Irvine | 2018

About Me

Qi Cai

Data job seeker. Interested in machine learning and data analysis.

Powered by

  • Work
  • Courses
  • Experience
  • Education
  • About Me
  • Create Your Data Portfolio for Free