Mimi Klein

Software Engineer with 8 years of experience building React/TypeScript applications for e-commerce. Experienced in improving accessibility, maintaining large front-end codebases, and collaborating with design and product teams. I'm focused on building maintainable software and supporting other engineers through mentorship and collaboration.

Front-End Engineer at Estée Lauder (2019-09 – 2026-06)

• Worked on a team to build a checkout application from the ground up using React, TypeScript, JavaScript, MobX, HTML, and CSS.
• Implemented RESTful APIs to save, edit, and delete user addresses and payment methods.
• Used AI coding assistants to write code faster and cut down routine tasks.
• Served as one of the primary maintainers of the checkout application, contributing to architecture decisions, code quality, reviews, and long-term maintainability.
• Led accessibility and ADA-compliance improvements across customer-facing checkout flows.
• Contributed to the development and implementation of an enterprise Design System, improving UI consistency across multiple brands and reducing duplicate component development.
• Contributed to a modernization effort migrating legacy functionality to Elixir/Phoenix.

Full Stack Developer at Techolution/J.Crew (2018-11 – 2019-07)

• Developed customer-facing features and fixed production bugs in React and Next.js for the J.Crew e-commerce platform, collaborating with engineers to deliver and maintain site functionality.
• Implemented accessibility improvements to help bring the J.Crew website into ADA compliance.
• Reviewed pull requests to maintain code quality and consistency across the application.

Instructional Associate (promoted from Teaching Assistant), Software Engineering Immersive at General Assembly (2017-10 – 2018-11)

• Mentored students through software engineering coursework, providing technical guidance, debugging support, and feedback on projects.
• Held office hours and provided remediation support for students needing additional assistance.
• Supported instructors with curriculum development, lesson delivery, assignments, and assessments.
• Facilitated a collaborative classroom environment focused on programming best practices.

Freelance Front-End Engineer at Ramen Adventures (2017-07 – 2017-10)

• Sole Front-End Engineer for a React/Rails web application, building customer-facing pages, implementing client-side routing with React Router, integrating REST APIs, and collaborating with the backend team to deliver new functionality.

Early Career at Ophthalmic Technician/Fluorescein Angiographer (2005 – 2016)

B.S. in Biology – Brooklyn College