Griffen Schwiesow, Developer in Seattle, WA, United States
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Griffen Schwiesow

Verified Expert  in Engineering

Software Developer

Location
Seattle, WA, United States
Toptal Member Since
February 24, 2020

With a degree in human-centered design and engineering and a professional web design and development background, Griffen is passionate about crafting beautiful, usable, and accessible experiences. He's worked with a wide range of clients from the city of Seattle to small, family-run businesses and is capable of meeting and exceeding unique client demands.

Portfolio

Amazon Advertising
TypeScript, React, SQL, Java, Kotlin, CI/CD Pipelines, AWS IAM, Amazon Route 53...
Seattle Department of Transportation
Ingeniux CMS, WordPress, PHP, JavaScript

Experience

Availability

Part-time

Preferred Environment

Cloud, CreativeJS, Adobe, Figma, Visual Studio Code (VS Code), Linux, Terminal

The most amazing...

...thing I've designed and developed is an accessible and static eCommerce site that saved the company over $10,000 in costs.

Work Experience

Front-end Engineer

2020 - PRESENT
Amazon Advertising
  • Implemented and iterated on creative ad formats through A/B testing, serving billions of impressions weekly, and delivered top-performing designs bringing in around $63 million in sales and around $8 million in advertising revenue yearly.
  • Optimized front-end code to reduce latency, balancing efficiency with quality to save over 100ms at P99, increasing ad clicks by 1.97%.
  • Resolved over 75% of accessibility defects on Sponsored Brands, educated the team on accessibility best practices, and implemented automated accessibility tests on the codebase.
Technologies: TypeScript, React, SQL, Java, Kotlin, CI/CD Pipelines, AWS IAM, Amazon Route 53, Amazon API, AWS CodeCommit, GitLab

Web Development Intern

2017 - 2020
Seattle Department of Transportation
  • Designed and developed a website that is accessible, customizable, and allows for coordinated communication between eight partnering agencies.
  • Managed eight web properties composed of over 400 pages, including daily updates.
  • Migrated plain HTML content into a modern, enterprise-level content management system.
Technologies: Ingeniux CMS, WordPress, PHP, JavaScript

Self-care App for Therapists

https://www.griffen.design/enrich/
A design concept for a mobile app to help therapists pursue self-care.

During a ten-week human-centered design sprint, I conducted research, generated personas, developed user journey maps, created storyboards, designed potential information architecture, and produced high-fidelity mockups of the app.

Water-saving Web App

https://www.griffen.design/incite-water/
A JavaScript-based web concept and usable prototype for a platform designed to encourage users to reduce their water consumption by providing incentives.

I designed and developed the website and programmed the interactive water-saving calculator.

Languages

Sass, Python, PHP, JavaScript, SQL, TypeScript, Java, Kotlin

Frameworks

Flask, Django

Libraries/APIs

React, CreativeJS, Amazon API

Tools

Sketch, Adobe CC, Figma, JetBrains, Adobe, Origami, Terminal, AWS IAM, AWS CodeCommit, GitLab

Paradigms

Agile, Functional Programming, Object-oriented Programming (OOP), Human-centered Design (HCD)

Platforms

Firebase, Visual Studio Code (VS Code), WordPress, Linux

Storage

MongoDB, MySQL, PostgreSQL, NoSQL

Other

Gatsby, Cloud, Ingeniux CMS, CI/CD Pipelines, Amazon Route 53, User Journeys, User Journey Maps, High-fidelity Mockups

2016 - 2020

Bachelor of Science Degree in Human-centered Design and Engineering, Japanese

University of Washington - Seattle, WA, USA

2019 - 2019

Spent a Year as a Research Assistant in Computational Linguistics

Tokyo Institute of Technology - Meguro-ku, Tokyo, Japan

Collaboration That Works

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