Web Development Intern

Annual releases gave way to two-week sprints years ago, and the platform now handles over 200 million API calls a day. Thomas Systems employs 1,000 people across engineering hubs in New York City and three other locations, building ERP software for mid-market manufacturers.

The program

Thomas Systems is hiring a Web Development Intern for May 2027. Thomas Systems needs a web development intern to help build and maintain our customer dashboard and marketing pages. The stack is React, Node.js and MongoDB. Remote position. Most of the team is in New York City, but nobody is required to come in. Normal working hours, Monday to Friday. A quiet workspace and good internet are required.

Responsibilities

• Update content and plugins on the WordPress marketing site
• Set up basic SEO tags, sitemaps and redirects when new pages go live
• Test forms and checkout flows before each release and log issues in Jira
• Attend sprint planning and the twice-weekly standup over Google Meet
• Connect frontend screens to REST APIs and handle loading and error states properly
• Fix layout bugs across Chrome, Safari and Firefox, and on small mobile screens

Who you are

• Available 40 hours a week for the full internship
• Based in the US for the duration of the internship
• Portfolio, GitHub or live project links showing at least two websites you built
• Willing to learn new tools quickly and ask questions when blocked
• Laptop that can run Node.js and VS Code smoothly, and a stable internet connection
• Basic Git: cloning, branching, committing and opening a pull request
• Clear written English for Slack updates and ticket comments
• Understanding of how APIs, JSON and HTTP status codes work

Nice to have

• Some knowledge of MongoDB, MySQL or Firebase

What you get out of it

• Strong interns get a full-time offer or a paid extension
• Proper Git workflow with branches, reviews and release tags
• You will push code that goes live on a site with real traffic

Program dates: May 2027, 12 weeks.

Compensation: $37.50 to $38.00 per hour

What we offer

• Return offer opportunities
• Home office setup stipend
• Company laptop
• Mentorship from a dedicated buddy and manager
• Flexible hours
• Final presentation to leadership

EOE. We participate in E-Verify.

No agencies or third-party recruiters, please.

Duration: 12 weeks. Start: May 2027.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Thomas Systems LLC.