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Electrical engineering designer with hands-on experience in biomedical instrumentation, analog circuit design, PCB layout, and embedded systems. Focused on hardware and system design with project work in signal conditioning and data acquisition for ECG and wearable gait analysis. Also experienced as a freelance graphic designer and client-focused web designer, managing end-to-end digital creative projects and delivering branding and e-commerce solutions. Combines technical problem-solving with effective communication, teamwork, and adaptable project execution.…Electrical engineering designer with hands-on experience in biomedical instrumentation, analog circuit design, PCB layout, and embedded systems. Focused on hardware and system design with project work in signal conditioning and data acquisition for ECG and wearable gait analysis. Also experienced as a freelance graphic designer and client-focused web designer, managing end-to-end digital creative projects and delivering branding and e-commerce solutions. Combines technical problem-solving with effective communication, teamwork, and adaptable project execution.

Isamary Sandoval

Designer, Graphic Designer, Web Developer

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Electrical engineering designer with hands-on experience in biomedical instrumentation, analog circuit design, PCB layout, and embedded systems. Focused on hardware and system design with project work in signal conditioning and data acquisition for ECG and wearable gait analysis. Also experienced as a freelance graphic designer and client-focused web designer, managing end-to-end digital creative projects and delivering branding and e-commerce solutions. Combines technical problem-solving with effective communication, teamwork, and adaptable project execution.…Electrical engineering designer with hands-on experience in biomedical instrumentation, analog circuit design, PCB layout, and embedded systems. Focused on hardware and system design with project work in signal conditioning and data acquisition for ECG and wearable gait analysis. Also experienced as a freelance graphic designer and client-focused web designer, managing end-to-end digital creative projects and delivering branding and e-commerce solutions. Combines technical problem-solving with effective communication, teamwork, and adaptable project execution.

Available to hire

Electrical engineering designer with hands-on experience in biomedical instrumentation, analog circuit design, PCB layout, and embedded systems. Focused on hardware and system design with project work in signal conditioning and data acquisition for ECG and wearable gait analysis.

Also experienced as a freelance graphic designer and client-focused web designer, managing end-to-end digital creative projects and delivering branding and e-commerce solutions. Combines technical problem-solving with effective communication, teamwork, and adaptable project execution.

Skills

Language

Work Experience

Freelance Graphic Designer

February 1, 2025 - Present

Managed end-to-end client projects including website development, digital graphics, and interactive web experiences. Applied technical problem-solving skills to customize platforms (Squarespace, Shopify, Frame) for functional client solutions. Coordinated with clients to gather requirements and deliver projects on time, demonstrating project management and communication abilities.

Account Solutions Specialist at Charles Schwab

April 1, 2021 - December 31, 2024

Managed high-volume account inquiries, resolving complex issues quickly in a fast-paced, regulated environment. Served as a subject matter resource for account application processes, improving accuracy and reducing handling time. Used internal systems (Client Central, Bluezone, myQ) to manage data, streamline workflows, and support operational efficiency.

Client Service Representative at Charles Schwab

February 1, 2020 - April 30, 2021

Resolved complex client account issues through structured problem analysis and accurate execution across Schwab systems. Identified fraud indicators and mitigated risk by applying strict attention to detail and procedural compliance. Operated in a high-volume 24/7 contact center environment, adapting schedules to meet operational demand. Ensured accurate processing of client requests and maintained strong customer service quality.

Engineering Projects (Electrical Engineer / Systems Designer) - multiple

January 1, 2020 - Present

Wireless stethoscope system: designed and built a wireless biomedical device to capture and analyze heart and lung sounds; developed analog front-end with microphone input, op-amp amplification, and band-pass filtering; prototyped and tested hardware circuitry and created PCB power supply layout and enclosure using SolidWorks and 3D printing; implemented Bluetooth data transmission to a mobile app for signal visualization. ECG monitoring system: assembled an ECG acquisition system using instrumentation amplifiers, op-amps, and electrodes; implemented signal conditioning via band-pass filtering to reduce noise and improve readability; integrated ECG output with a mobile application for real-time visualization; validated performance using functional testing and signal analysis. Wearable gait analyzer: developed an embedded wearable gait analysis device using MSP430 in C; implemented UART interrupts and low-power modes; integrated accelerometer and LCD motion sensing; tested accuracy an

Small Business Owner / Designer at L a M adele in e Fren ch B ake ry & C afé (local business listed in resume text)

July 1, 2019 - December 31, 2019

Co-ran a local business while overseeing operations and product development, including designing marketing and branding materials. Built and maintained the company website and customized product solutions using technical tools including laser engraving equipment. Managed projects from concept to execution, demonstrating technical creativity and organizational skills.

Cashier at La Madeleine French Bakery & Cafe

July 1, 2019 - December 31, 2019

Processed transactions accurately and managed cash operations while maintaining cleanliness and organization at the counter. Provided outstanding customer service to enhance the overall customer experience.