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Ex-AWS Engineer | AP Computer Science & Intro CS Tutor
Gwen D.

11 hours tutoring

Your first lesson is backed by our Good Fit Guarantee

Hourly Rate: $50
Response time: 2 hours

About Gwen


Bio

I'm a senior software engineer with six years at Amazon and degrees from Arizona State (undergrad) and Northeastern (master's). Long before it was my career, though, teaching computer science was something I loved: I've tutored CS one-on-one since high school and through college, taught evening programming classes to elementary and middle schoolers, and was an instructor at a DigiPen summer camp — so I've worked with students from around age eight all the way up to college, for over a...

I'm a senior software engineer with six years at Amazon and degrees from Arizona State (undergrad) and Northeastern (master's). Long before it was my career, though, teaching computer science was something I loved: I've tutored CS one-on-one since high school and through college, taught evening programming classes to elementary and middle schoolers, and was an instructor at a DigiPen summer camp — so I've worked with students from around age eight all the way up to college, for over a decade.

I love getting young, curious kids started with coding, video game programming, and web design, and I'm just as at home helping older students with AP Computer Science A (Java), AP Computer Science Principles, and college intro CS, data structures, and first programming courses in Java or Python. My approach is to work from a student's own assignments and interests so the help stays relevant, while making sure the underlying idea actually clicks — my goal each session is for a student to leave a little more confident and independent than they came in. Whether your child wants to build their first game or you're a college student trying to survive your first CS class, I'd love to help.


Education

Arizona State University
Software Engineering
Northeastern Univserity
Masters

Policies


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Approved Subjects

AWS

AWS

I've spent six years as an engineer at Amazon Web Services, where I design, build, and operate distributed production systems that have to meet AWS's own bar for reliability and scale. Beyond my day job, I've independently architected and deployed several real applications on AWS, including Cube Cobra, Hedron Network, and Solutions Unified, so I've made the infrastructure decisions and lived with the consequences in production. My hands-on experience spans compute and containers with EC2, ECS, and Lambda, storage and data with S3 and DynamoDB, messaging with SQS and SNS, and delivery and networking through CloudFront and Route 53. I'm also fluent in infrastructure-as-code using CloudFormation and the CDK, and I can teach not just what each service does but how to choose between them and wire them together into something that actually works.
Computer Science

Computer Science

I'm a software engineer with six years at Amazon and a master's from Northeastern, and I've been teaching computer science one-on-one and in classrooms for over a decade. I work with students at every level — from young kids writing their first lines of code or building simple games, to high schoolers preparing for AP Computer Science A and Principles, to college students in intro CS, data structures, and Java or Python courses. Because I use these concepts professionally every day, I can connect what a student is learning to how it actually works in real software, and I focus on making the underlying idea click rather than just patching the assignment in front of us. My goal every session is for a student to leave more confident and a little more independent than when they started.
CSS

CSS

I've built and styled web interfaces for over ten years, and CSS is something I use constantly to turn designs into responsive, working pages. Across my own production applications, I've handled real-world layout with flexbox and grid, built interfaces that adapt cleanly from phone to desktop, and worked with modern tooling like Tailwind alongside hand-written CSS. I understand the parts that trip people up most — the box model, specificity and the cascade, positioning, and why something "won't center" — and I can explain why CSS behaves the way it does rather than just handing over a fix. Whether you're learning the fundamentals or fighting a stubborn layout in your own project, I can help you get it looking the way you intended.
Data Structures

Data Structures

I'm a software engineer with six years at Amazon and a master's from Northeastern, and I've been teaching computer science one-on-one and in classrooms for over a decade. I work with students at every level — from young kids writing their first lines of code or building simple games, to high schoolers preparing for AP Computer Science A and Principles, to college students in intro CS, data structures, and Java or Python courses. Because I use these concepts professionally every day, I can connect what a student is learning to how it actually works in real software, and I focus on making the underlying idea click rather than just patching the assignment in front of us. My goal every session is for a student to leave more confident and a little more independent than when they started.
Web Design

Web Design

I'm a software engineer with six years at AWS and a master's in computer science from Northeastern, and I build full-stack web applications using JavaScript, TypeScript, React, and Node.js — including a production app I run that serves over 50,000 monthly users. I've taught computer science for more than a decade, working with everyone from young kids building their first interactive web pages and browser games to college students learning modern front-end and back-end development. I teach web design hands-on and project-first: rather than dwelling on theory, we build something real, picking up HTML, CSS, JavaScript, and React as the project needs them. My goal is for every student to finish a session with something working they can show off, and the confidence to keep building on their own.
Computer Programming
HTML
Java
JavaScript
Python
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Hourly Rate: $50
Response time: 2 hours
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