Matt Condit
Design Engineering Manager
Engineering leader with 10+ years building interactive products and the teams behind them. Expert in JavaScript, TypeScript, React, and Node.js—from WebGL rendering engines to complex rich text editor experiences. Passionate about using prototyping to drive innovation solution development and more robust engineering design. Led diverse remote team direction for Data Studio launch at HubSpot across 5 product groups and 12 product teams, growing engineers into technical leaders while staying hands-on with code and fostering inclusive, high-performance cultures.
Languages & Frameworks: JavaScript · TypeScript · React · React Native · Node.js · GraphQL · Python · .NET/C#
Frontend & Creative Tech: ProseMirror · CodeMirror · WebGL · D3.js · Redux · Zustand · Performance Optimization · React Compiler
Tooling & Infrastructure: Docker · CI/CD · Webpack · Vite · CLI Development · Codemod Management · Playwright · AI Development Workflows (Claude Code, Cursor)
Leadership: Team Transformation · Engineering Excellence Frameworks · Guild Founding · Technical Evangelism · Mentorship at Scale
Product & Strategy: Prototyping · Roadmap Ownership · GTM Collaboration and Strategy · User Research Methodology · Session Replay Analytics (FullStory, Amplitude)
Experience
Engineering Lead
HubSpot
March 2025 - Present
Remote, US + EU
- •Led multi-product group initiative for HubSpot's Data Studio expansion mission, leading product direction and engineering design across 12 teams remotely in the US and EU to evolve the existing reporting visualization-focused product into a data enrichment and transformation platform, driving core expansion for new recurring usage based billing revenue.
- •Maintained hands-on technical contributions and key prototypes and prototyping toolkits that informed post-launch product direction, balancing high output staff-level Front End code initiatives with group leadership.
- •Managed 3 engineering team leads and direct reports (12 total), fostering an autonomous high performance culture with high retention (0% attrition for 2+ years).
- •Evangelized an engineering-led prototyping mentality and prototype collaboration framework within the Data Integrations and Data Prep product groups which led to an accelerated pivot after alpha feedback and hitting target launch date.
- •Identified key GTM friction points for usage-based billing through session playback and customer interviews and sponsored remediation effort experimentation to drive improved adoption of new product offering.
- •Developed a product opportunity identification framework for the product group post-launch to focus on core user needs and problems versus competitor comparison to encourage novel solution design over cobbled reactive product direction.
- •Established group-wide AI development workflows, automations and best practices with shared AGENTS.md files and Claude Code skills, educational discussions and office hours on development usage patterns, and git worktree development flow tooling.
- •Authored AI feature development toolkit for the Data Studio teams to provide boilerplate and utilities for generating new AI-powered product prototypes, boosting the AI exploration efforts to ship 10 new integrations in Q4.
Technical Lead II
HubSpot
January 2021 - March 2025
Remote, US
- •Transformed underperforming Datasets team from 83% to 115% of activation target (Q1-Q4 2023) by establishing engineering excellence culture, empowering engineering autonomy, and improving both technical execution and product-design collaboration.
- •Co-founded a Design-Engineering Collaboration Program with the Senior UX Designer, adopted by multiple product groups' teams with universal success, focusing on live iterative solution exploration between UX designers and engineers to foster technical understanding in UX and UX solution philosophies for ICs.
- •Pioneered FullStory usage across HubSpot to identify usability and capability gaps across 25+ products, maintaining the internal infrastructure and administrating the FullStory account and usage.
- •Founded 2 Front End Engineering Guilds within two separate product groups, developing group-wide skills and fostering belonging and cohesion amongst previously fragmented teams.
- •Created 5 company-wide DevEx and reliability projects with successful adoptions, spanning automated OpenAPI-based type generation, Chrome LogTask performance monitoring dashboards, and improved codebase analytic build artifacts to identify key TypeScript adoption risks.
- •Established new Rich Text Editing team tasks with migrating the existing deprecated Draft.JS RTE setup to Prosemirror, safely migrating over 25 consumers with significant performance and usability improvements.
Senior Software Engineer
HubSpot
September 2019 - January 2021
Cambridge, MA
- •Led 3-month long product-wide investigation into FE input lag and performance issues (#1 customer-reported feedback area at the time). Developed internal benchmarking, monitoring, and remediation solutions, improving memory inflation issues by 95% and 50ms+ longtask occurrence by 65% using Puppeteer, React Dev Tools Profiling lifecycle hooks, Chrome LongTask monitoring, and improved React Context patterns.
- •Developed internal documentation and knowledge sharing artifacts around FE library management and best practices within HubSpot.
- •Introduced novel CRM sidebar integration and standardized GraphQL usage within the live-chat agent support product.
- •Drove modernization efforts to React 16 from legacy class-based component architecture, establishing best practices for React hooks usage for maintainability and performance.
Lead Software Engineer
Humanyze
May 2019 - September 2019
Boston, MA
- •Led fullstack efforts to modernize the data extraction client from WinForms & .NET to .NET Core & React Native, reducing extraction error rates by 80% and improving usability for less technical users.
- •Owned UX direction for the FE team after layoffs, established core UX principles for the product that allowed for engineers to autonomously align to company-wide user experience standards.
- •Collaborated direction with the top 3 customers to identify key product gaps and friction points and interpret customer feedback directly into engineering efforts.
Senior Software Engineer
Humanyze
March 2018 - May 2019
Boston, MA
- •Implemented D3.js data visualization achieving 60% performance improvement for Fortune 100 client dashboards, combining technical execution with interaction design for complex data presentation.
- •Led Ember to React migration to improve the usability, performance, and internationalization capabilities, collaborated tightly with UX on design modernization efforts.
- •Modernized deployment setup, leading DevOps efforts to migrate the stack to AWS EC2, Docker, Nginx, and Ansible Vault to enable multi-region deployment for GDPR compliance.
Software Engineer
Modelo
December 2016 - March 2018
Cambridge, MA
- •Built WebGL-based architectural design software with real-time sun mapping, shadow calculations, raytracing, and BRDF lighting models - combining creative technology with strong technical execution.
- •Led Angular 1 to Angular 2 + React migration in startup environment with direct customer engagement informing interaction design decisions.
- •Contributed to modernization efforts for CI/CD pipeline, led migration efforts to Docker, Ansible, and Jenkins.
Software Engineer
Toxikon Corporation
March 2016 - December 2016
Bedford, MA
- •Developed full-stack internal app tooling to improve the quality and efficiency of a Pharmaceutical Testing company.
- •Collaborated with internal stakeholders to identify needs and interpreting those requirements into broadly applicable systems for the rest of the company.
- •Adhered to compliance and regulatory constraints when building systems, developing and deploying solutions within secure intranet with full 21 CFR Part 11 compliance while still modernizing the development experience.
Technical Program Assistant
Flatiron School
June 2015 - August 2015
Boston, MA
- •Taught multiple lessons regarding Algorithm and Data Structure design, specifically a multi-day predictive language seminar around the foundational principles of NLPs.
- •Ran logistics behind three intense coding boot camp classes for High School students.
- •Organized guest speakers for the students on the subjects of Web Development and Hardware Design.
Software Engineering Intern
Modus Integration
June 2014 - August 2014
Seattle, WA
- •Contributed to AS2 connector development for MuleSoft ESB using Java and C# while developing deeper understanding of distributed system API design.
- •Researched the implementation and developed J-Unit tests for finished product.
- •Developed early proficiency in Unix/Linux and markup languages.
Education
Computer Science
Colgate University
Hamilton, NY • 2013-2016
Impact Highlights
Team Metrics
- •Activation: 83% → 115% over 9 months
- •Retention: 0% attrition for 2+ years
- •Memory inflation issues improved by 95%
- •50ms+ longtask occurrence reduced by 65%
Technical Contributions
- •25+ products using FullStory infrastructure I built
- •60% dashboard performance improvement (D3.js)
- •80% reduction in extraction error rates
- •Migrated 25+ RTE consumers to Prosemirror
People Development
- •Managed 3 engineering team leads (12 total reports)
- •Founded 2 Front End Engineering Guilds
- •5 company-wide DevEx projects adopted
- •10 new AI integrations shipped in Q4