Written By
William Marchant
Software Engineer

wmarchant13@gmail.com+1 518-813-7261

About


Frontend-focused Software Engineer with full-stack experience, collaborating with clients and content authors to build scalable, user-friendly applications. Skilled at translating feedback into functional features and continuously expanding technical expertise.

“To give anything less than your best is to sacrifice the gift.”

— Steve Prefontaine


Professional Experience


June 2024 – Present

Junior Software Engineer

Mean Guppy

Build reusable TypeScript and SASS-based design system components used across enterprise-scale applications, standardizing UI patterns and improving development efficiency.Improve application stability by implementing comprehensive unit and component testing with Vitest and React Testing Library, reducing regressions in production workflows.Built a Payload CMS + React-based content platform with custom component architecture to support enterprise-scale website re-authoring and migration for a Fortune 500 company, powering hundreds of pages.Implement frontend data layers and API integrations to manage asynchronous requests and structured response handling, enabling reliable dynamic UI rendering.

  • TypeScript
  • SCSS
  • Payload CMS
  • Vitest
  • React
  • HTML
  • Gitlab
  • Storybook
TypeScriptReactSCSSHTMLVitestStorybookGitLab

Technology Intern

M&T Bank

Developed a TypeScript and React web application connecting women of color in Buffalo with financial advisors, improving access to financial guidance and support resources. Implemented Cypress end-to-end tests and YAML-based CI/CD pipelines to ensure reliable, production-ready deployments. Collaborated in a Scrum-based Agile team through sprint planning, stand-ups, and retrospectives. Contributed to a research study comparing AI-generated and human-written code, maintaining weekly logs and documenting findings.

  • TypeScript
  • CSS
  • YAML
  • Cypress
  • CI Pipeline
  • Gitlab
TypeScriptReactHTMLCSSCypressGitLab
June 2021 – August 2022

Cashier/Sales Associate

Stewart's Shops

Worked as part of a team to prepare food, stock shelves, organize coolers and freezers, operate the cash register, serve ice cream, and ensure store cleanliness.


Education


2020 – 2024

BS, Computer Science

University at Buffalo, State University of New York
  • Relevant Courses: Systems Programming, Applied Human Computer-Interaction and Interface Design, Distributed Systems, Algorithms and Complexity, Data Models and Query Languages, Intro to Machine Learning
2016 – 2020

High School Diploma

Burnt Hills-Ballston Lake High School

Skills


Programming Languages

  • Java
  • Python
  • Go
  • Scala
  • JavaScript
  • TypeScript
  • SQL

Tools and Platforms

  • React
  • HTML
  • CSS/SCSS
  • Next.js
  • Storybook
  • Cypress
  • Vitest
  • GitHub
  • GitLab
  • Postman
  • Jira
  • CMS
  • Figma
  • YAML
  • Cursor
  • GitHub Copilot

Projects


Real Weather App

Personal Project

Developed a weather application using .NET MAUI (.NET 8) and C#, integrating real-time data from the OpenWeather API, with user-provided API key input for secure local configuration. Architected and built an ASP .NET backend to manage API requests and streamline data processing, improving performance and scalability. Implemented asynchronous data fetching and error handling to ensure responsive performance and reliable weather updates across devices in a locally hosted environment.

  • .NET
  • C#
  • API
.NetC#API

Personal Website

Personal Project

Built and deployed a personal portfolio website using React, Next.js, Bun, TypeScript, SCSS, and HTML. Designed responsive, performance-optimized UI with modern component architecture. Implemented CI pipeline for automated semantic versioned releases and changelog updates. Leveraged AI tools such as Cursor and GitHub Copilot to accelerate development.

  • TypeScript
  • React
  • HTML
  • SCSS
  • Bun
  • Next.js
  • AI
TypeScriptReactHTML5SassNext.jsCopilotBun

CRUD Notes

Personal Project

Architected and managed a SQLite database to support full CRUD functionality in a Flask-based web application. Wrote and executed SQL queries to handle data insertion, updates, deletion, and retrieval. Established database connections within Flask routes to ensure reliable transaction handling. Maintained data integrity through structured schema design and controlled query execution.

  • Python
  • Flask
  • GitHub
  • HTML
  • CSS
  • SQLite
PythonFlaskGitHubHTML5CSS3sqlit

Awards & Extracurriculars


2021
Dean's List
University at Buffalo
Recognized for academic excellence across the 2020-2021 academic year.
2024
Cum Laude
University at Buffalo
Recognized for academic excellence across undegraduate academic career.
2021 – 2024
8x MAC All-Academic Team
Cross Country / Indoor & Outdoor Track
Selected for consistent academic performance while competing at a high level on the NCAA Division I Cross Country and Track teams.
2020 - 2022
Pride of New York Scholarship
University Scholarship
Merit-based scholarship awarded for high school academic achievement.
2022 - 2024
Athletic Scholarship
University Scholarship
Merit-based scholarship awarded for athletic and academic achievement.