# Matthew Duffy > Founding Engineer Location: Detroit, Michigan, United States Profile: https://flows.cv/matthewduffy Full stack developer who loves to build apps that fulfill a useful purpose. Eternal student of the world wide web. As a colleague, I am an easy-going, growth-focused developer who likes to collaborate with his teammates to help build each other up. I primarily operate in the front end using JavaScript/TypeScript and React/Remix/Next with a proficient understanding of back-end technologies including Node.js/Express, PostgreSQL, and MongoDB. ## Work Experience ### Founding Engineer @ Pillar Jan 2025 – Present ### Founding Engineer @ Double Jan 2023 – Jan 2025 ### Full Stack Engineer @ Some Fun Studio Jan 2019 – Jan 2023 | Seattle, Washington, United States - Primary engineer responsible for software architecture, implementation, and maintenance. - Collaborates with the designer and stakeholders to bring the product from concept to reality. - Define project requirements and priorities through client discussions to inform deadlines and expectations. - Utilize client feedback to improve company processes and evaluate project success. ### Senior Software Engineer @ Club - Social network for creators Jan 2023 – Jan 2023 - Adopted engineering best practices and delivered highest quality scalable solutions. - Sprinted with fellow engineer to create multiple full stack web applications. - Implemented complex features including global scheduling, video calling, and AI image manipulation. - Performed autonomously and asynchronously as part of a global remote team. ### Full Stack Engineer @ Nitely Development LLC Jan 2022 – Jan 2023 | Seattle, Washington, United States - Debugged the core application to improve performance and reduce critical errors. - Worked with product manager to implement new features for workforce management - Utilized advanced styling skill set to improve UI/UX ### Full Stack Engineer @ Liftoff Mobile Jan 2022 – Jan 2022 | Seattle, Washington, United States - Implemented administrative tools for our flagship product, allowing tight control over thousands of user submitted media - Created a rich text editor directly in our web app to enable our team to easily and effectively communicate instructions to users - Architected a robust data agnostic table component for visualizing data sets of 100,000+ rows. Capable of optimally handling data on both the client and server side - Craftily executed UI designs, achieving pixel perfection with full responsiveness Wrote detailed pull requests and performed thorough code reviews to ensure our code base remained of the highest quality ### Strength Coach / Web Developer / Operations Manager @ Reps Fitness & Nutrition Center Jan 2019 – Jan 2020 | Chicago, Illinois, United States - Designed, built, and maintained the company website which increased client acquisition by 30% the following quarter. - Lead group strength classes of up to 20 people utilizing safe and effective techniques. - Inspected equipment quality to ensure client safety throughout the facility. ### Machine Adjuster / Assistant Group Leader @ Parker Hannifin Jan 2016 – Jan 2018 | Woodridge, Illinois, United States ## Contact & Social - LinkedIn: https://linkedin.com/in/mattduff707 - GitHub: https://github.com/mattduff707 --- Source: https://flows.cv/matthewduffy JSON Resume: https://flows.cv/matthewduffy/resume.json Last updated: 2026-03-29