McMaster-Carr

HQ
Elmhurst, Illinois, USA
Year Founded: 1901
McMaster-Carr is a one-stop shop for the materials that keep plants running.
McMaster-Carr is an e-commerce company offering more than half a million products used to keep business in motion. With more than 300,000 daily visits to our website, customers from a variety of industries turn to us when they need to build, design, repair or maintain just about anything because we are the complete, one-stop source for industrial supplies.

Technology teams play a vital role in McMaster-Carr’s success. The software that drives our business is developed in-house by a growing team of versatile engineers. Whether the project is automating distribution operations, improving browsing features on our app or integrating a new data center to serve five national facilities, people flourish when they love to learn and pursue ambitious goals.

McMaster-Carr’s diverse business creates the opportunity to explore new technologies and develop expertise that is both broad and deep. Growth is supported by an inclusive culture of development seen in mentorship, reading groups, guilds and town halls that create community. They pursue career growth through learning and advancement in technical and project leadership.



McMaster-Carr Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Lead Software Engineers and other technology roles benefit from a mix of onsite collaboration with teams and remote work. Other roles may be fully onsite depending on responsibilities.

Typical time on-site: 3 days a week
HQElmhurst, Illinois, USA

Articles We're In

Image: Shutterstock
Taylor Rose Taylor Rose
Published on January 15, 2026

Culture That Performs: Inside the Values, Collaboration Habits and Recognition Practices of Top Employers

See how values guide decisions every day at Imprivata and Mcmaster-Carr Supply Co.

Alyssa Schroer Alyssa Schroer
Updated on January 09, 2026

109 Chicago Software Companies You Should Know

These are the top software companies that are helping make Chicago a thriving hub for tech.

Image: Shutterstock
Margo Steines Margo Steines
Updated on January 07, 2026

92 Companies Hiring Developers

These companies are on the lookout for developers with experience with a wide range of coding languages and development tools.

Photo: Shutterstock

Technology We Use

ASP.NET
ASP.NET
FRAMEWORKS
Backbone.js
Backbone.js
FRAMEWORKS
C#
C#
LANGUAGES
DB2
DB2
DATABASES
Golang
Golang
LANGUAGES
JavaScript
JavaScript
LANGUAGES
Jest
Jest
FRAMEWORKS
jQuery
jQuery
LIBRARIES
jQuery UI
jQuery UI
LIBRARIES
Kotlin
Kotlin
LANGUAGES
Microsoft SQL Server
Microsoft SQL Server
DATABASES
MongoDB
MongoDB
DATABASES
Neo4j
Neo4j
DATABASES
Node.js
Node.js
FRAMEWORKS
Python
Python
LANGUAGES
R
R
LANGUAGES
React
React
LIBRARIES
Redux
Redux
LIBRARIES
Ruby on Rails
Ruby on Rails
FRAMEWORKS
SQL
SQL
LANGUAGES
Swift
Swift
LANGUAGES
TensorFlow
TensorFlow
FRAMEWORKS
Miro
Miro
DESIGN
Trello
Trello
PROJECT MANAGEMENT
Azure DevOps
Azure DevOps
PROJECT MANAGEMENT