Patrick Fitzsimmons
AeroLeads people directory · profile

Patrick Fitzsimmons Email & Phone Number

Independent Software Developer at Self-employed
Location: Greater Philadelphia, United States, United States 3 work roles 1 school
1 work email found @pfitz.net LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email p****@pfitz.net
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Self-employed
Role
Independent Software Developer
Location
Greater Philadelphia, United States, United States

Who is Patrick Fitzsimmons? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Patrick Fitzsimmons is listed as Independent Software Developer at Self-employed, based in Greater Philadelphia, United States, United States. AeroLeads shows a work email signal at pfitz.net and a matched LinkedIn profile for Patrick Fitzsimmons.

Patrick Fitzsimmons previously worked as Founding Engineer at Hubspot and Founder at Groupsharp. Patrick Fitzsimmons studied at Yale University.

Company email context

Email format at Self-employed

This section adds company-level context without repeating Patrick Fitzsimmons's masked contact details.

*@pfitz.net
68% confidence

AeroLeads found 1 current-domain work email signal for Patrick Fitzsimmons. Compare company email patterns before reaching out.

Profile bio

About Patrick Fitzsimmons

I'm an software engineer, entrepreneur, and product guy. I enjoy writing code and designing products to solve problems. Currently I am working on various projects of my own for passion and perhaps profit. I spent most of my career at HubSpot, where I joined as the first employee, coded the initial product, and played my part in growing the company to over 10,000 customers and a revenue run-rate approaching $100 million.Specialties: Software/web application development, distributed systems, service oriented architecture, web API's, scaling software systems, Java, Jersey, C#, ASP.NET, Struts, Selenium, Hadoop, MySQL, SQL Server, Python, HTML, Javascript/AJAX, graphic design, product management, Apache, linux administration. Also have taken classes or done work in: market research, writing, microeconomics, accounting, and SEO.

Listed skills include Amazon Web Services, Hubspot, Online Marketing, User Experience, and 22 others.

Current workplace

Patrick Fitzsimmons's current company

Company context helps verify the profile and gives searchers a useful next step.

Self-employed
Self-Employed
Independent Software Developer
3 roles

Patrick Fitzsimmons work experience

A career timeline built from the work history available for this profile.

Independent Software Developer

Current
Self-Employed

Greater Philadelphia Area

I work on software projects for myself and on contract. Recent projects include:- Zenpost.com --The application is a marketplace for businesses to help automate content marketing. The app included features for connecting businesses with writers, authoring content, editing, and scheduling content all from inside the app. It had a full subscription system.

Jan 2014 - Present

Founding Engineer

Hubspot

Cambridge, MA

I joined HubSpot as the first full-time employee and was tasked with building the initial product. Our goal was to build an all-in-one marketing platform that bundled everything from website management to lead nurturing to social media monitoring all in one easy to use package. The product was a web based, software-as-a-service product. That meant that as.

Jun 2006 - Jan 2014

Founder

Groupsharp

Designed and built an online database application that was like Microsoft Access for the web. Developed the project from initial design to a publicly released application with paying customers. The application and myself were acquired by HubSpot.

Jan 2006 - Jun 2006
1 education record

Patrick Fitzsimmons education

FAQ

Frequently asked questions about Patrick Fitzsimmons

Quick answers generated from the profile data available on this page.

What company does Patrick Fitzsimmons work for?

Patrick Fitzsimmons works for Self-employed.

What is Patrick Fitzsimmons's role at Self-employed?

Patrick Fitzsimmons is listed as Independent Software Developer at Self-employed.

What is Patrick Fitzsimmons's email address?

AeroLeads has found 1 work email signal at @pfitz.net for Patrick Fitzsimmons at Self-employed.

Where is Patrick Fitzsimmons based?

Patrick Fitzsimmons is based in Greater Philadelphia, United States, United States while working with Self-employed.

What companies has Patrick Fitzsimmons worked for?

Patrick Fitzsimmons has worked for Self-Employed, Hubspot, and Groupsharp.

How can I contact Patrick Fitzsimmons?

You can use AeroLeads to view verified contact signals for Patrick Fitzsimmons at Self-employed, including work email, phone, and LinkedIn data when available.

What schools did Patrick Fitzsimmons attend?

Patrick Fitzsimmons studied at Yale University.

What skills is Patrick Fitzsimmons known for?

Patrick Fitzsimmons is listed with skills including Amazon Web Services, Hubspot, Online Marketing, User Experience, Web Applications, Microsoft Sql Server, Devops, and Software.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the Patrick Fitzsimmons you were looking for.

View similar profiles