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John C. Email & Phone Number

Lead Software Engineer at Zest AI
Location: San Diego, California, United States 14 work roles 2 schools
1 work email found @hms.harvard.edu 3 phones found area 508 and 617 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email j****@hms.harvard.edu
Direct phone (508) ***-****
LinkedIn Profile matched
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Current company
Role
Lead Software Engineer
Location
San Diego, California, United States
Company size

Who is John C.? Overview

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Quick answer

John C. is listed as Lead Software Engineer at Zest AI, a company with 80 employees, based in San Diego, California, United States. AeroLeads shows a work email signal at hms.harvard.edu, phone signal with area code 508, 617, and a matched LinkedIn profile for John C..

John C. previously worked as Lead Software Engineer at Harvard Medical School and Independent Contractor at Self Employed. John C. holds Ms, Computer Information System Security from Boston University.

Company email context

Email format at Zest AI

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*@hms.harvard.edu
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AeroLeads found 1 current-domain work email signal for John C.. Compare company email patterns before reaching out.

Profile bio

About John C.

John C. is a Lead Software Engineer at Zest AI. He possess expertise in security, software development, computer security, sql, application security and 45 more skills. He is proficient in English. Colleagues describe him as "John is the best mix of expertise and charisma that you could ask for. His creativeness and sheer common business sense combine to form a unique asset that's truly hard to find. On top of everything, he's extremely personable and that not only drives his sense of teamwork, but also his leadership skills as well. You'd be hard pressed to end a conversation with John without him making you laugh or smile at least once or twice. It's due to these reasons that I highly recommend John for any endeavor that he pursues." and "John is very unique in that he is an incredible software developer and a great people person. Seriously, that's rare. John's software skills and experience are unparalleled, and he is also a solid manager and a trusted friend. I give John my highest recommendation."

Listed skills include Security, Software Development, Computer Security, Sql, and 46 others.

Current workplace

John C.'s current company

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Zest AI
Zest Ai
Lead Software Engineer
burbank, california, united states
Website
Employees
80
AeroLeads page
14 roles

John C. work experience

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

Lead Software Engineer

Current
  • Maintain and improve existing backend services written in TypeScript and hosted in AWS
  • Work with client services to gather requirements and oversee the development of new features
  • Migrate services from legacy custom gateway service to an API Gateway implementation
  • Migrate authentication and authorization from Auth0 to AWS Cognito
  • Provide guidance and code review for offshore engineering team
Oct 2023 - Present

Lead Software Engineer

San Diego, California, United States

  • Engineering lead for the Undiagnosed Diseases Network within the Department of Biomedical Informatics responsible for:
  • Leading a team consisting of one other Software Engineer, a Product Manager, and a Software Engineering Intern
  • Responsible for AWS infrastructure for the Gateway application and supporting systems making use of several AWS offerings, including: EC2, ElasticBeanstalk, RDS (MySQL), Lambda, CloudWatch, CodePipeline, CloudFormation,
  • Lead developer of existing Django web application which is responsible for all patient data within the study including 2 PB of genetic data
  • Upgraded researcher facing REST API to improve access to system data for biomedical researchers
  • Migrated from Django template frontend to upgrade React frontend including: creation of design mockups, conducting user interviews, architecting React project, and development of features in TypeScript
Jul 2020 - Oct 2023

Independent Contractor

Boston, Massachusetts, United States

  • Worked with a variety of clients in many different roles including:๐—Ÿ๐—ฒ๐—ฎ๐—ฑ ๐—ช๐—ฒ๐—ฏ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ ๐—œ๐—ป๐˜€๐˜๐—ฟ๐˜‚๐—ฐ๐˜๐—ผ๐—ฟ, ๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐—˜๐—ฑ๐˜‚๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป
  • Plan and develop curriculum materials for teaching web development boot camp courses
  • Facilitate courses (online and in-person) to adult learners, including delivering lectures, grading assignments, and one-on-one mentorship
  • Delivered courses at: Saint Joseph's College of Maine, Framingham State University, Emerson College, and Worcester State University
Jun 2019 - Jun 2020

Senior Software Engineer

Greater Boston Area

  • Develop features and fix issues for an enterprise SaaS, employee benefits platform using: PHP, Python, JavaScript, NodeJS, React, MongoDB, MySQL, Docker, AWS SQS and supporting technologies
  • Provide code review, QA and mentoring to development team members
Sep 2016 - Jun 2019

Senior Software Engineer

Boston, MA

  • Develop features and fix issues for an enterprise SaaS, employee engagement platform using: Ruby/Rails, Sass, Coffeescript, AWS Redshift and supporting technologies
  • Manage tools for code quality, testing and deployment using: GitHub, CircleCI, Heroku, Hound, CodeClimate and supporting technologies
  • Develop custom devops process and tools for development team using: NodeJS, Slack and supporting technologies
  • Provide code review, QA and mentoring to development team members
Aug 2014 - Jul 2016

Senior Software Engineer

Boston, MA

  • Developed new features for the Accelerator software used to manage worldโ€™s largest startup accelerator
  • Defined, with steering committee, product roadmap and feature scope
  • Documented key features of the software for use by end-users, partners and outsourced development resources
  • Improved development and deployment processes to ensure continuous uptime and consistent user experience
Feb 2014 - Jun 2014

Vice President Of Engineering

Boston, MA

  • Built the industry leading Security Awareness Program offering (Gartner Magic Quadrant)
  • Defined product vision and go-to-market strategy
  • Hired and trained internal development team to bring all development in-house
  • Created new processes and internal tools to reduce development timelines and integrate more seamlessly across the entire organization to reduce cost and time-to-market
  • Architected new hosting service offering within the Amazon Cloud providing new revenue stream as well as increasing stickiness with customers
  • Created the Customer Sponsorship program to identify and reflect market needs in core products through customer feedback in the development cycle
Sep 2012 - Feb 2014

Director Of Product Development

  • Built the industry leading Security Awareness Program offering (Gartner's Magic Quandrant)
  • Defined product vision and go-to-market strategy
  • Hired and trained internal development team to bring all development in-house
  • Created new processes and internal tools to reduce development timelines and integrate more seamlessly across the entire organization to reduce cost and time-to-market
  • Architected new hosting service offering within the Amazon Cloud providing new revenue stream as well as increasing stickiness with customers
  • Created the Customer Sponsorship program to identify and reflect market needs in core products through customer feedback in the development cycle
Oct 2010 - Sep 2012

Project Manager For Access And Identity Management Service (Aims) Team

Massachusetts Executive Office Of Health And Human Services
  • Provided project management and technical expertise to the Access and Identity Management Service
  • Coordinated with application, server and middleware teams to ensure consistent uptime
  • Created transition plan for upgrading from Sun-based architecture to Oracle-based architecture inline with Oracleโ€™s product roadmap
Apr 2010 - Sep 2010

Senior Consultant

  • Delivered courses consisting of examples, demos, labs and lecture materials pertaining to application security best practices to testers and developers
  • Researched current trends in application security to keep course content current and to develop new courses
  • Performed threat analysis as well as created and executed security test plans for client applications
  • Provided security and technology expertise as pre-sales support to Business Development Managers
Sep 2009 - Apr 2010

Security Education Practice Lead

  • Managed the security education practice within the services division including coordination of course delivery logistics such as scheduling, travel and materials, as well as billing and expenses
  • Assisted Account Management team with customer needs assessment; developed curriculum to meet those needs
  • Identified new courses to be developed and essential updates to existing courses; provided project management for these projects
  • Assisted instructors with ongoing professional development
Apr 2008 - Aug 2009

Software Security Training Engineer

  • Delivered courses consisting of examples, demos, labs and lecture materials pertaining to application security best practices to testers and developers
  • Researched current trends in application security to keep course content current and to develop new courses
  • Performed threat analysis as well as created and executed security test plans for client applications
  • Published articles and presented at conferences to establish company as an industry thought leader
Jan 2007 - Apr 2008

Staff Consultant/Technical Developer

  • Worked with a variety of clients in many different roles including:
  • Developer for a State Health and Human Services Office
  • Developed key components of large-scale enterprise service bus using several technologies (Java, XML, Tomcat, Weblogic and Red Hat Linux)
  • Assisted project architects with designing new functionality as well as improving and documenting the development process
  • Improved processes linked with operations through process redesign and task automation (Python & Bash)
  • Developer & Tester for a Healthcare EDI Network
Aug 2004 - Jan 2007

Application Developer

  • Designed, implemented, maintained and provided user training for over 200 users for a department essential, web based information systems
  • Administrated Linux servers which host department information systems
  • Provided desktop and user support for over 100 staff
Feb 2002 - Jul 2004
Team & coworkers

Colleagues at Zest AI

Other employees you can reach at zest.ai. View company contacts for 80 employees →

2 education records

John C. education

Bs, Computer Science And Business

Activities and Societies: Co-Director of Explorations in Film & Cinema Student Program, Resident Advisor

FAQ

Frequently asked questions about John C.

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

What company does John C. work for?

John C. works for Zest AI.

What is John C.'s role at Zest AI?

John C. is listed as Lead Software Engineer at Zest AI.

What is John C.'s email address?

AeroLeads has found 1 work email signal at @hms.harvard.edu for John C. at Zest AI.

What is John C.'s phone number?

AeroLeads has found 3 phone signal(s) with area code 508, 617 for John C. at Zest AI.

Where is John C. based?

John C. is based in San Diego, California, United States while working with Zest AI.

What companies has John C. worked for?

John C. has worked for Zest Ai, Harvard Medical School, Self Employed, Maxwell Health, and Wespire.

Who are John C.'s colleagues at Zest AI?

John C.'s colleagues at Zest AI include Rohit Patil, Robert Boxberger Iii, Tanjirul Ahmed Naim, Matt Weinburg, and Stephanie Morales.

How can I contact John C.?

You can use AeroLeads to view verified contact signals for John C. at Zest AI, including work email, phone, and LinkedIn data when available.

What schools did John C. attend?

John C. holds Ms, Computer Information System Security from Boston University.

What skills is John C. known for?

John C. is listed with skills including Security, Software Development, Computer Security, Sql, Application Security, Information Security, Web Applications, and Information Security Management.

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