# Zach Gawlik > Senior Software Engineer at Squarespace Location: Brooklyn, New York, United States Profile: https://flows.cv/zachgawlik Frontend engineer with strong background building large-scale React applications for SaaS companies that have startup environments. Develops with a keen eye for user experience as well as code maintainability. Excels at improving development practices and tooling. ## Work Experience ### Software Engineer @ Squarespace Jan 2019 – Present | Greater New York City Area ### Senior Software Engineer @ Squarespace Jan 2021 – Jan 2025 - created, as a key team member, the company's headlining "Fluid Engine" web page editor - conceived, vied for, prototyped, user-tested, and developed core features spanning entire editing surface area like undo redo or client-side-only page updates - advocated and initiated adoption of modern industry standards like TypeScript, Cypress, and Sentry. ### Senior Software Engineer @ Bluecore Jan 2019 – Jan 2019 | Greater New York City Area - Launch key product features for large-scale single-page web application using React, Redux, and Flow - Directed cross-team, full-stack initiative to improve deployment lead time, reducing static validation and build time from 1 hour to 15 minutes, cutting end-to-end test run time from 2 hours to 20 minutes, and merge-until-live time from 24-48 hours to 0-24 hours - Architected and implemented generating deploy previews on code push, serving the changes live at a query parameter matching branch name, improving both automated and manual validation of changes for frontend pull requests - Revitalized component library by creating documentation site that included live editable examples, information generated from prop typing, and descriptions written with MDX - Spearhead best practices for component reusability, state management architecture, and Jest testing patterns for improving code quality and maintainability - Developed a codemod to convert 409 CoffeeScript components into JSX to eliminate a primary source of technical debt, eliminating what otherwise would be 100+ hours of manual error-prone work ### Software Engineer @ Bluecore Jan 2017 – Jan 2019 | Greater New York City Area ### Software Engineer @ HubSpot Jan 2016 – Jan 2016 | Greater Boston Area - Built new template marketplace from scratch using React and Redux to promote adoption of the HubSpot content management system - Implemented autocomplete search bar and advanced filtering for surfacing relevant products - Created administrative tool for moderating submitted templates and product reviews - Coordinated and implemented project redesign and component library upgrade with infrastructure team, deploying in 14 days ### Developer Co-op @ Yeti LLC Jan 2015 – Jan 2015 | San Francisco Bay Area - Developed new features for supply chain management web application using AngularJS for the frontend and creating new RESTful endpoints with Django and Python on the backend - Refactored code for extensibility by refactoring entire application to use UI-Router - Led the project from early version to initial app store launch for Chelsea Handler: Gotta Go!, defining priorities and focusing on polishing out bugs and improving user interactions. ### Software Engineer @ Novartis Institutes for BioMedical Research Jan 2014 – Jan 2014 | Greater Boston Area - Developed frontend for web application to aid genomics research scientists - Collaborated closely with a small team of developers, designers, and business analysts as the project progressed from design stage to first release - Contributed to project direction by active participation in team meetings ### Tutor @ Northeastern University, College of Computer and Information Science Jan 2014 – Jan 2014 | Boston, MA - Tutored on core computer science concepts and how to implement them with Java for the Fundamentals of Computer Science 2 course - Aided students by leading review sessions and instructing one-on-one during office hours ### Orientation Leader @ Northeastern University Jan 2013 – Jan 2013 | Boston, MA Worked cohesively with others to put on a full summer program for incoming students. Eased students’ transition to college life. Served as an ambassador and role model for the university. ## Education ### Bachelor of Science - BS in Computer Science and Mathematics Northeastern University Jan 2012 – Jan 2017 ## Contact & Social - LinkedIn: https://linkedin.com/in/zachgawlik - Website: https://zachgawlik.com - Website: https://zachgawlik.com/blog --- Source: https://flows.cv/zachgawlik JSON Resume: https://flows.cv/zachgawlik/resume.json Last updated: 2026-03-23