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Daniel Mcgrath Email & Phone Number

Software Engineer II at Klaviyo
Location: Greater Boston, United States 9 work roles 3 schools
1 work email found @criteo.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email d****@criteo.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Software Engineer II
Location
Greater Boston, United States
Company size

Who is Daniel Mcgrath? Overview

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Quick answer

Daniel Mcgrath is listed as Software Engineer II at Klaviyo, a with 2895 employees, based in Greater Boston, United States. AeroLeads shows a work email signal at criteo.com and a matched LinkedIn profile for Daniel Mcgrath.

Daniel Mcgrath previously worked as Software Engineer at Klaviyo and Mid-Level Software Developer at Devil-Tech. Daniel Mcgrath holds Bachelor Of Science - Bs, Computer Engineering from Northeastern University.

Company email context

Email format at Klaviyo

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dmcgrath@criteo.com
76% confidence

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

Profile bio

About Daniel Mcgrath

I’m a software developer with a passion for solving complex problems and making technology work smarter. At DeVilliers Technology Solutions, I’ve led key projects to revamp legacy systems and introduce features that have made our applications faster, more reliable, and more versatile. Whether it’s enhancing data handling capabilities or improving user experiences, I’m always looking for ways to push the boundaries of what our software can do.I’ve had the opportunity to work with some incredible teams at Criteo, WHOOP, and MEDITECH, where I contributed to everything from developing scalable analytics tools to creating internal web applications that boost productivity. My background in Computer Engineering from Northeastern University and a knack for entrepreneurship fuel my drive to create solutions that are not only technically sound but also make a real impact.

Current workplace

Daniel Mcgrath's current company

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Klaviyo
Klaviyo
Software Engineer II
Boston, MA, US
Website
Employees
2895
AeroLeads page
9 roles

Daniel Mcgrath work experience

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

Software Engineer Ii

Boston, Ma, Us

Software Engineer

Boston, Ma, Us

Mid-Level Software Developer

Stafford, Virginia, Us

• Designed and implemented a thread pooling mechanism that segmented long-running and short-running tasks, eliminating application freezes caused by thread contention. Enhanced system adaptability by introducing dynamic thread pool scaling based on available system resources, improving application responsiveness and handling of concurrent tasks by an order of magnitude.• Introduced new features including dynamic data filtering, satellite tracking functionality, and additional radio interfaces, expandingthe application’s data handling and communication capabilities.• Reconstructed the message handling back end, leveraging priority queues, optimized thread handling, and robust inheritance and polymorphism patterns, enabling seamless scalability and reducing the time required to integrate new messaging protocols fromweeks to hours.

Software Dev Engineer

Paris, Fr

Jan 2022 - Oct 2022

Software Developer Intern

Paris, Fr

- Built a browser extenion in Angular and ASP.NET aimed to create a gamified online advertisement experience.

Aug 2021 - Jan 2022

Junior Software Developer

Stafford, Virginia, Us

Software development for both commercial and defense applications utilizing Iridium SATCOM, various communications and messaging interfaces (NMEA 183 and AIS), and Geospatial Information System (GIS) capabilities

Jul 2021 - Jan 2022

Co-Op Web Developer

Boston, Ma, Us

Worked to create, maintain, and improve web tools that streamlined the workflow of other teams- Created a new ReactJS user portal that interacts with Stripe and a Java Spring backend to manage user financial and account/strap information for more efficient debugging and support requests- Wrote RESTful APIs in Java and SQL- Built a new data visualization console for the signal processing team to download data packets from Amazon S3, populate a Google Sheet with relevant device information, and determine whether or not a device was effective in a data collection session at a glance using Highcharts- Implemented a new access control list editor for our internal tools focused on group-based access rather than individualized permissions to reduce confusion among teams- Wrote Node.js smoke testing scripts utilizing AWS Lambda, API Gateway, and DynamoDB for determining the uptime of our products- Built out robust dashboards and monitors in Datadog based off of metrics returned from the elastic load balancer health checks and the smoke test lambdas- Effectively communicated with other teams to gather requirements for feature requests and modified existing features based on user feedback- Clearly presented feature additions to our tools in front of the company at our monthly tech demos

Jan 2020 - Aug 2020

Co-Op Programmer

Canton, Massachusetts, Us

- Utilized Jest to test and debug UI and backend components interfacing with APIs. - Wrote a series of regular expressions and functions in React Native to parse out key components of a search query to be passed to an API used to pull that matching data from MEDITECH’s database.- Implemented a shared drop down component that combines with the parsing functionality to create a typeahead search bar for recipients in a message compose screen. - Created various scripts mimicking user behavior on an app for load testing servers with Artillery.io.- Developed a Visual Studio Code Extension to smartly create the folder structure, add template code, and update project hooks in an existing React Native project to expedite the creation of React Native applications.- Published an angular library containing shared pipes, definitions, and services to npm.- Helped create and publish an Angular component library to npm with options to display a modal with a side by side text editor and preview screen for editing, locally saving, and pushing changes to api documentation- Helped train and organize a team with the goal of building out tools for in-house api developers. Some of my responsibilities included: assigning tasks meant to familiarize members with the REST infrastructure and how our project interacts, helping team members work through any problems they were having conceptually and programmatically while learning angular.

Jan 2019 - Aug 2019

Employee

Brian Lacerte General Contracting

- Learned to demolish, re-frame, and rebuild roofs, floors, and walls of a house- Maintained a strong attention to detail so that every job completed could be held to the highest standard

Jul 2018 - Aug 2018
Team & coworkers

Colleagues at Klaviyo

Other employees you can reach at klaviyo.com. View company contacts for 2895 employees →

3 education records

Daniel Mcgrath education

Bachelor Of Science - Bs, Computer Engineering

Northeastern University

Education record

Phillips Academy Andover

Education record

Trinity High School, Manchester, Nh
FAQ

Frequently asked questions about Daniel Mcgrath

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

What company does Daniel Mcgrath work for?

Daniel Mcgrath works for Klaviyo.

What is Daniel Mcgrath's role at Klaviyo?

Daniel Mcgrath is listed as Software Engineer II at Klaviyo.

What is Daniel Mcgrath's email address?

AeroLeads has found 1 work email signal at @criteo.com for Daniel Mcgrath at Klaviyo.

Where is Daniel Mcgrath based?

Daniel Mcgrath is based in Greater Boston, United States while working with Klaviyo.

What companies has Daniel Mcgrath worked for?

Daniel Mcgrath has worked for Klaviyo, Devil-Tech, Criteo, Whoop, and Meditech.

Who are Daniel Mcgrath's colleagues at Klaviyo?

Daniel Mcgrath's colleagues at Klaviyo include Nishanth Shyamsundar, Philip Yu, Kate Z., Samuel Markson, and Evan Cover.

How can I contact Daniel Mcgrath?

You can use AeroLeads to view verified contact signals for Daniel Mcgrath at Klaviyo, including work email, phone, and LinkedIn data when available.

What schools did Daniel Mcgrath attend?

Daniel Mcgrath holds Bachelor Of Science - Bs, Computer Engineering from Northeastern University.

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