Chad Chapnick H 314-***-****

B adxyun@r.postjobfree.com

Í chapnickc.github.io

Education

May 2018 BS, Electrical Engineering, Emphasis in Bioelectronics, Saint Louis University, St. Louis, MO. Minors Biomedical Engineering, Computer Science

GPA 3.91/4.00

Experience

2018–2023 Software Engineer, Cadre Forensics, Chicago, IL. 2017–2018 Software Engineer Intern, Cadre Forensics, Chicago, IL.

{ Led development of cutting-edge full-stack systems in Python/Flask, C++/Qt, and JavaScript/React.

{ Constructed efficient SQL queries for MySQL and SQLite, demonstrating expertise in database management.

{ Utilized object-relational mappers (ORMs) to enhance efficiency and simplify retrieval through abstraction.

{ Engineered interfaces connecting 3D scanning hardware to AWS cloud, revolutionizing firearm data sharing.

{ Leveraged automation frameworks (Docker, Jenkins, Terraform, Git) for continuous integration/delivery.

{ Containerized and deployed scalable system for real-time evaluation of proprietary scoring algorithms.

{ Collaborated with federal agencies to streamline evidence intake with a groundbreaking barcode system.

{ Developed proof-of-concept solution for simplified chain of custody between firearm examiners.

{ Implemented cryptographic primitives for Secure Remote Password protocol and PBKDF2-HMAC-SHA256.

{ Created Python package for X3P (XML 3D Surface Profile) data manipulation.

{ Earned full-time position with the company following successful internship. 2016–2017 Undergraduate Researcher, Dr. Michelle Sabick’s MEDIC Lab, St. Louis, MO.

{ Prototyped a device to measure body temperature, acceleration, heart rate, and blood-oxygen content

{ Developed an iOS client that invoked Bluetooth APIs to communicate with an ARM processor

{ Created libraries to establish communication with peripherals using I2C 2016–2017 Academic Tutor, SLU Student Success Center, St. Louis, MO.

{ Tutored students in all levels of mathematics and general physics. 2015–2016 Startup Engineer, MEDLaunch: Medicine, Entrepreneurship, & Design, St. Louis, MO.

{ Worked with a team of students to develop a medical device prototype.

{ Engaged in design reviews with clinical and industry mentor.

{ Showcased the prototype and a complementary business model to local investors at Demo Day. 2015–2016 Research Assistant, Dr. Allison Miller’s Plant Biology Lab, St. Louis, MO.

{ Performed leaf shape analysis using a digital morphometrics approach.

{ Leveraged the statistical computing power of the R programming language to analyze biological data sets. Projects

2016–2018 Improvement of High-Performance Computing Resources. Working with individuals at SLU’s Advanced Technology Group to make high-performance computing resources more accessible to students and researches.

May 2016 Life Expectancy Analysis.

Conducted an analysis of major social, economic and environmental variables which predict life expectancy at birth, using multiple regression in R.

Technical Experience

Libraries OpenCV, OpenSSL, OpenGL, Qt, Boost.Python, Boto3, Flask, SQLAlchemy, Pandas, NumPy, Scikit-learn, Requests, TensorFlow, React, aws-sdk-cpp

Technologies Python, C++, JavaScript, AWS, Docker, Terraform, Jenkins, Git, CMake, Vim, SQL (SQLite & MySQL), Bash, macOS, Linux, Windows, Excel, Jupyter Notebook, Arduino, ARM, Raspberry Pi, HTTP, SSL/TLS, REST APIs, I2C, 3D Printing, Statistical Data Analysis Honors

Dean’s List 7 of 8 Semesters (Fall 2014 – Spring 2018) Relevant Coursework

Computer

Science

Data Structures, Object Oriented Programming, Microprocessors, Probability and Statistics, Discrete Mathematics, Differential Equations, Machine Learning Electrical

Engineering

Linear Systems, Semiconductors, Digital Design, Electronic Circuit Design, Electricity & Magnetism, Electromagnetic Fields, Automatic Control Systems, Quantitative Physiology, Brain Computer Interface Scientific Publications

“Results of the 3D Virtual Comparison Microscopy Error Rate (VCMER) Study for Firearm Forensics.” C. Chapnick, T. Weller, P. Duez, E. Meschke, J. Marshall, R. Lilien, Journal of Forensic Sciences, 66(2):557-570 (2021).

“Digital Morphometrics of Two North American Grapevines (Vitis: Vitaceae) Quantifies Leaf Variation between Species, within Species, and among Individuals.” Klein LL, Caito M, Chap- nick C, Kitchen C, O’Hanlon R, Chitwood DH and Miller AJ Front. Plant Sci. 8:373. doi: 10.3389/fpls.2017.00373 (2017).

Patents

“Automatic Supplemental Oxygen Control System With Weaning Capabilities.” Issued Oct 24, 2019, us 16/392,272

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