John Szumowski
Alpharetta, Georgia,United States
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John Szumowski is a seasoned Principal Software Engineer and engineering leader currently at HubSpot, with extensive experience in building scalable and user-centric web applications. He possesses deep expertise in front-end technologies, JavaScript frameworks (like React), and software architecture. John is passionate about fostering strong engineering cultures, mentoring developers, and sharing his knowledge through public speaking and his personal blog. His work often focuses on improving developer experience and delivering high-quality software products.
Professional Summary
John Szumowski's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Notable Achievements
Principal Software Engineer at HubSpot
Leads complex technical projects and initiatives, contributing to the architecture and development of HubSpot's core products. Mentors engineers and influences engineering best practices within the organization.
Author and Technical Blogger
Maintains a personal blog (johnszumowski.com) where he shares insights on software development, web technologies, leadership, and productivity, contributing valuable content to the tech community.
Public Speaker
Frequently speaks at technology conferences and meetups, sharing his expertise on topics such as front-end development, JavaScript, and engineering leadership.
Long-term Contributor to Web Development
Has a sustained career in software engineering, adapting to and mastering evolving web technologies and methodologies over more than a decade.
Educational Background
Political Science
University of Southern Maine
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Company Overview
Simpli.fiSimpli.fi is an advertising technology company that provides a programmatic advertising platform and workflow software. From an end-user perspective, this means they help businesses and advertising agencies buy digital ad space more efficiently and target specific audiences with greater precision across various channels like connected TV (CTV), mobile devices, desktops, and video. They are known for their ability to use unstructured data (like location and browsing behavior) to reach relevant consumers without relying on pre-packaged audience segments, offering more granular targeting for localized campaigns.
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