Justin Mazzi
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Justin Mazzi Email & Phone Number

CTO and Co-Founder at BuiltFast
Location: Downingtown, Pennsylvania, United States 9 work roles
1 work email found @builtfast.com 17 phones found area 484, 610, 518, 925, and 138 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 71%

Contact Signals · 1 work email · 17 phones

Work email j****@builtfast.com
Direct phone (484) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
CTO and Co-Founder
Location
Downingtown, Pennsylvania, United States
Company size

Who is Justin Mazzi? Overview

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Quick answer

Justin Mazzi is listed as CTO and Co-Founder at BuiltFast, a with 4 employees, based in Downingtown, Pennsylvania, United States. AeroLeads shows a work email signal at builtfast.com, phone signal with area code 484, 610, 518, 925, 138, and a matched LinkedIn profile for Justin Mazzi.

Justin Mazzi previously worked as Chief Technology Officer at A2 Hosting and Director of Software Development at A2 Hosting.

Company email context

Email format at BuiltFast

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{first}@builtfast.com
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AeroLeads found 1 current-domain work email signal for Justin Mazzi. Compare company email patterns before reaching out.

Profile bio

About Justin Mazzi

I have a strong background in systems design and administration. After ten years of sysadmin and devops work I began to shift gears into full-time application development. My main focus recently has been building an automated SaaS and billing platform using Ruby on Rails. Open Source Software is passion of mine. My first OSS was released well over 10 years ago. Since then I've released about a dozen other projects and contributed to many others. My most recent project has been developing RubyGems at Site5.Specialties: Ruby, Ruby on Rails, Sinatra, EventMachine, Chef, MySQL, PostgreSQL, JavaScript, CoffeeScript, Node.js, PHP and Zend Framework, Git, SVN, Mercurial, Fossil, API, and Vim.

Current workplace

Justin Mazzi's current company

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BuiltFast
Builtfast
CTO and Co-Founder
Downingtown, PA, US
Website
Employees
4
AeroLeads page
9 roles · 27 years

Justin Mazzi work experience

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

Cto And Co-Founder

Downingtown, Pa, Us

Chief Technology Officer

Current

Ann Arbor, Mi, Us

As CTO, I am responsible for offering insights to our leadership team on the various obstacles we encounter as a company. This involves assisting with establishing our company's culture and strategically leading the engineering and software development teams to implement the concepts and products that our CEO and product team create.My main goal is to support and equip teams to handle various challenges that arise in their work. I provide the necessary resources, tools, and guidance to ensure teams can overcome obstacles and achieve success. Alongside this, I prioritize mentoring as a means to foster both personal and professional growth among team members, empowering them to continually develop their skills and reach their full potential.It is my responsibility to manage and maintain both our internal and customer-facing server and network infrastructure. This includes ensuring that all systems are running smoothly, addressing any technical issues that arise, and implementing necessary updates and improvements.My specialty is leading remote teams; I have been working with remote teams since early 2000, so I understand the unique dynamics and opportunities that come with remote work. I am confident that I have the skills and resources to excel in remote environments. Before moving into technical team management, I was a senior engineer and then transitioned into a senior software developer role over a 15-year period. This experience has given me a deep understanding of our technology and allows me to ensure that we are consistently delivering top-notch services to our customers.

Oct 2019 - Present

Director Of Software Development

Ann Arbor, Mi, Us

I lead the software development team using Scrum and Agile. This means that I am responsible for managing the projects and their backlogs, ensuring that we are staying on track and delivering high-quality work. I have the pleasure of running a team of pair programmers. We've got an incredible group of talented individuals who work together to ensure our hosting services are fast and reliable. it's my role to work with stakeholders and all members of the delivery team to drive development work and ensure that new products and features are successfully delivered to our customers.I also work closely with the other leadership members and our CEO to turn ideas into planned work, making sure that we are aligning our development efforts with our overall business goals. Additionally, I am in charge of managing the applications that our staff and customers rely on. The main focus is on our billing system and help desk software. This involves keeping everything running smoothly and efficiently, as well as constantly looking for ways to improve these applications. Capacity planning for our applications is another crucial aspect of my role, as I need to ensure that we have enough resources to handle the demands of our customers. Another important area of responsibility is hiring and sourcing candidates to join our team. We are always on the lookout for skilled individuals who are passionate about web hosting and can bring unique perspectives to our company. Lastly, I dedicate time each week to meet with and mentor our software developers. I believe that investing in the growth and development of my team is essential, and through weekly meetings, I provide guidance and support to help them succeed in their roles. I believe this is one of the most important responsibilities I have and I greatly enjoy it.

May 2019 - Oct 2019

Software Development Manager

Ann Arbor, Mi, Us

Feb 2019 - May 2019

Development Team Lead

Melbourne, Victoria, Au

The role of Development Team Lead requires leadership in software development and people management for a team of remote senior software developers and response engineers. In this position, I am responsible for the delivery of all Envato Hosted applications and WordPress hosting platform itself. The Hosted applications is a suite of Ruby on Rails apps deployed to Amazon AWS using EC2 with CodeDeploy. Each Rails app had a specific function; there was an app for billing, customer control panel and one for our white label partners to manage their clients.The hosting platform runs within Amazon EC2 hosting WordPress websites. The AWS technology stack included: EC2, MySQL Aurora, S3, SNS, SQS, Lambda, and EFS. It consisted of a load balancer, CDN frontend servers, backend PHP servers and centralized storage using EFS.I work with stakeholders and all members of the delivery team to drive development work and take responsibility for getting new products and features into the hands of our users. In addition to that I'm I am tasked to ensure our websites, and supporting systems are operational and running as expected. People management is a large part of the position. Responsibilities include interviewing new candidates, regular one on one meetings with individuals, and annual reviews. Other duties included:• Leading the delivery of mid to large-scale projects, providing visibility of project progress and roadblocks• Working with the team to set and follow software design principles and development processes with an emphasis on continuous delivery of well tested incremental changes• Taking responsibility for the quality of the entire technology stack from infrastructure to front end• Working to improve delivery processes, estimations, and roadmaps continually• Assumed responsibility for the 24x7x365 operation of the applications, their availability, performance, security, and technical risk management

Aug 2017 - Nov 2018

Cto

Responsible for driving the technical direction of our white-label WordPress hosting platform. Managed a team of software development and platform engineers that were responsible for the development of our Ruby on Rails in-house billing system and hosting platform built on AWS technologies.Pressed was acquired by Envato in June of 2017.

Jul 2015 - Jul 2017

Chief Of Engineering

Us

Remotely managing a team of highly skilled software developers to provide ongoing development of software applications which includes:• Maintaining and building a fully automated SaaS and multi-million dollar billing platform which provides service for thousands of customers. • Dramatically improve the productivity of our company's efficiency by providing staff with custom automation tools built in-house.• Managing our Open Source projects as well as ensuring our team is remaining active in other projects we use and love outside of our organization.• Mentouring, reviewing and setting goals with our software developers.• Improving and maintaining our customer Helpdesk.Outside of the development work, I worked within an executive team as a stakeholder to provide technical input for our future products and company plans.

Dec 2008 - Aug 2016

Development Engineer

Viatalk Llc
2005 - Dec 2008

Technical Operations Director

Clifton Park, Ny, Us

2000 - 2008 ~8 yrs
FAQ

Frequently asked questions about Justin Mazzi

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

What company does Justin Mazzi work for?

Justin Mazzi works for BuiltFast.

What is Justin Mazzi's role at BuiltFast?

Justin Mazzi is listed as CTO and Co-Founder at BuiltFast.

What is Justin Mazzi's email address?

AeroLeads has found 1 work email signal at @builtfast.com for Justin Mazzi at BuiltFast.

What is Justin Mazzi's phone number?

AeroLeads has found 17 phone signal(s) with area code 484, 610, 518, 925, 138 for Justin Mazzi at BuiltFast.

Where is Justin Mazzi based?

Justin Mazzi is based in Downingtown, Pennsylvania, United States while working with BuiltFast.

What companies has Justin Mazzi worked for?

Justin Mazzi has worked for Builtfast, A2 Hosting, Envato, Pressed.Net, and World Wide Web Hosting Llc.

How can I contact Justin Mazzi?

You can use AeroLeads to view verified contact signals for Justin Mazzi at BuiltFast, including work email, phone, and LinkedIn data when available.

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