Senior Front-End / Product Engineer with 10+ years of experience building scalable web applications, dashboards, and MVPs. Specialized in React and Next.js with a strong focus on UI-driven product development, performance, and maintainable architecture. Proven ability to work directly with founders and cross-functional teams to ship high-quality products quickly. IoT firmware hobbyist.

Sean Connelly

Senior Front-End / Product Engineer with 10+ years of experience building scalable web applications, dashboards, and MVPs. Specialized in React and Next.js with a strong focus on UI-driven product development, performance, and maintainable architecture. Proven ability to work directly with founders and cross-functional teams to ship high-quality products quickly. IoT firmware hobbyist.

Available to hire

Senior Front-End / Product Engineer with 10+ years of experience building scalable web applications, dashboards, and MVPs. Specialized in React and Next.js with a strong focus on UI-driven product development, performance, and maintainable architecture.

Proven ability to work directly with founders and cross-functional teams to ship high-quality products quickly. IoT firmware hobbyist.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Front End Developer at Place Inc
September 30, 2022 - July 9, 2025
Created dashboards and editors for US real estate agencies enabling users to update and design flyers and postcards with Google geo mapping integration. Improved code efficiency through reusable components and newer CSS libraries. Implemented REST APIs and collaborated with back-end developers, including NodeJS tweaks. Contributed to email development efforts.
Front End Developer/Designer at Baseline Telematics
August 31, 2018 - July 9, 2025
Designed client dashboards in Figma, developing tools used by the third largest insurance company in Brazil. Involved in mobile app UI/UX design for pay-as-you-go insurance applications for clients in Brazil and France. Used ReactJS, Figma, CSS, and MaterialUI with a focus on SASS and Redux for state management.

Education

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Qualifications

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Industry Experience

Software & Internet, Financial Services, Real Estate & Construction, Media & Entertainment, Professional Services