Prerak Mahajan | Mechatronics Engineer

About Me

Hi, I’m Prerak — a Mechatronics Engineering student at Waterloo who loves building things at the crossroads of robotics, AI, and entrepreneurship. When I’m not working on tech projects or startups, you’ll probably find me playing cricket, competing in table tennis, or putting together a puzzle.

Experience

Mechatronics Engineering Intern

Prandtl Dynamics | June 2025 - Present

Co-invented and filed a patent-pending counter-UAS technology, advancing next-generation drone detection capabilities
Optimized hardware systems through rigorous lab testing, increasing prototype range by 50% for defense applications
Traveled internationally to deliver live demonstrations of counter-drone prototypes to executives from Fortune 500 aerospace corporations andvarious international government officials

Machine Learning Engineering Intern

Amazon Web Services | July 2024 - August 2024

Led development of machine learning model with 89% accuracy for air pollutant detection
Tested and evaluated multiple ML models (Decision Trees, KNN, Neural Networks) using AWS SageMaker
Earned Top 5 Intern recognition out of 90+ interns for technical impact and leadership
Top 6 finish in internal AWS ML competition by presenting one of the strongest-performing models

View Project

Cell Phone Engineer & Business Owner

PrerakPhones | July 2022 - Present

Generated over $500 in revenue through expert mobile device repairs and services
Specialized in recycling non-eco-friendly technology, including over 50 Lithium-Ion batteries
Diagnosed and repaired iPhone-specific issues (logic board failures, Face ID malfunctions)
Served 30+ clients with a strong return rate through quality service

View Instagram

STEM & Robotics Head Volunteer

City of Brampton | May - July 2023

Volunteered 125+ hours at the City of Brampton Robotics Summer Camp, inspiring 50+ kids through hands-on STEM activities including LEGO robotics, beginner-friendly programming, and basic circuit design using sensors and motors
Provided interactive robotics lessons for kids aged 5-11, making learning both fun and educational
Acted as a positive role model, promoting perseverance, curiosity, and teamwork to inspire a love for STEM

FutureFocus Organization

FutureFocus | September 2023 - Present

Founded an educational organization empowering 300+ middle school students with mental health support and academic guidance through workshops and mentorship
Developing a website with ML recommendation system for student extracurriculars to complement the FutureFocus organization
Recognized for fostering a supportive, inclusive community that promotes student confidence, resilience, and long-term academic success

Instagram Page

Robotics Project Manager

Harold M. Brathwaite Robotics Team | April 2023 - June 2024

Managed 20+ junior students in building and coding for VEX robotics competitions
Played key role in reinitiating the club after COVID-19 hiatus, rebuilding membership and skills
Led team to successful competition performances after pandemic disruption

TKS Innovator

The Knowledge Society (TKS) | August 2023 - July 2024

Selected for competitive innovation program focused on emerging technologies
Led consulting projects with Microsoft (chip cooling) and Google (employee training)
Developed skills in exponential technologies, design thinking, and leadership

Co-Founder & Outreach Director

UNC Charlotte A.I. Camp | August 2024 - November 2024

Collaborated with Dr. Krishnan to develop and run affordable AI program for high school students
Served as high school representative to bridge gap between university and secondary education
Provided 15+ students with hands-on research opportunities in artificial intelligence

HOSA Trainer and Competitor

HOSA + Science Club | September 2022 - Present

Developed AidAssist emergency medical device that placed Top 15 internationally
Trained peers in biomedical engineering concepts and competition preparation
Competed in Medical Math events, earning Top 10 at Future Leaders Conference

Education

Bachelor of Applied Science in Mechatronics Engineering, Honours, Co-operative Program

University of Waterloo | September 2025 - April 2030

I'm pursuing a Bachelor of Applied Science in Mechatronics Engineering (Honours, Co-op), where I get to combine mechanical, electrical, and software engineering to build smart systems—and gain real-world experience through industry co-op placements.

Certifications

Stanford Linear Algebra with Proofs Summer Program

Stanford University | July 2024

KMaster Phone Repair Certification

KMaster | August 2022

First Aid and CPR Certification

Life Saving Society | June 2019

Skills

Python
Pandas
NumPy
Matplotlib
SQLite
Scikit-learn
Flask
TKinter
HTML
CSS
Bootstrap
AWS SageMaker
Git
Woodworking
Soldering
Raspberry Pi
Mobile Device Diagnostics & Repair

Portfolio

FutureFocus Website Project

Developing a website with ML recommendation system for student extracurriculars to complement the FutureFocus organization | 2025

GitHub Repository Website Coming Soon

AidAssist

Medical device providing real-time instructions for 7 common injuries, placing Top 15 in HOSA international competition | May 2023

GitHub Repository

AI Ethics Research

Developing framework for sustainable AI with Dr. Krishnan (UNC) focused on environmental impact of generative AI models | December 2023 - May 2024

View Document

Microsoft Chip Cooling

Developed innovative cooling methods for microchips in data centers to improve efficiency and reduce energy consumption | March 2024

View Presentation

Google Employee Training

Designed solutions to improve employee training programs and onboarding experience at Google | December 2023

View Presentation

AWS Machine Learning Project

Presentation on the machine learning model developed for air pollutant detection during the AWS internship | July 2024 - Aug 2024

View Presentation GitHub Repository

Achievements

AWS Intern Recognition: Top 5 Intern

Top 5 Intern | 2024

AWS Group Project Finalist: Top 6

Top 6 | 2024

University of Waterloo President’s Scholarship of Distinction

95%+ admission average: $2,000 entrance scholarship + two potential $1,500 awards after first year | 2025

Waterloo CEMC Distinction

Top 25% | Fermat 2024 | Euclid 2025

HOSA Canada National Fall Leadership Conference Finalist

Top 10 | 2024

Danaher Scholarship Recipient

$5,000 USD Renewable Scholarship, Totaling $20,000 USD | 2025

Daniela Crivianu-Gaita Scholarship

$2,000 Scholarship

Recommendations

Qi Xuan Khoo, Rhodes Scholar

"Prerak exhibits impressive work ethic and problem-solving abilities. Disciplined and determined, he would never approach a task without giving his 110%, and he would always go above and beyond in pursuit of knowledge."

View Letter

Ms. Parikh, Math Club Supervisor

"Prerak is respectful, driven, and deeply committed to personal and collective success—he elevates those around him and represents the best of what a student leader can be."

View Letter

Mr. Gray, Math Teacher

"Prerak was often able to circumnavigate the traditional long-winded and methodical manner of solving a math problem and replace said process with a streamlined and logical process of equal value—an attestation to his strong content knowledge, hard work, and preparation in the IB program."

View Letter

Ms. Suresh, English Teacher

"Prerak’s eagerness to learn, coupled with his willingness to take risks and learn from mistakes, showcases a commitment to personal growth and mastery of the subject matter that is rare to see at the high school level."

View Letter

Guy Sherman, AWS Software Development Engineer

"Throughout the program, Prerak showed an interest in the broader workings of AWS as a whole, and with genuine interest in learning more about our company, we were delighted to be able to offer mentorship and guidance."

View Letter

Contact Me

Feel free to reach out if you have any questions or opportunities!