MERN Stack Developer Intern

Internship details

Mainsail Data needs a web development intern to help build and maintain our customer dashboard and marketing pages. The stack is React, Node.js and MongoDB. As an intern, you will:

1. Connect frontend screens to REST APIs and handle loading and error states properly

2. Set up basic SEO tags, sitemaps and redirects when new pages go live

3. Fix layout bugs across Chrome, Safari and Firefox, and on small mobile screens.

4. Check pages with Lighthouse and fix accessibility issues such as missing alt text and low contrast

5. Write simple Express.js routes and MongoDB queries for new features

6. Convert Figma designs into responsive pages using React, HTML, CSS and Tailwind

7. Update content and plugins on the WordPress marketing site

8. Keep a short daily log in Notion of what you worked on and where you got stuck.

Skill(s) required: Express.js, React, HTML, Tailwind CSS

Who should apply

1. Women wanting to start or restart their career can also apply

2. Have a working laptop and a stable internet connection

3. Students currently pursuing B.Tech, BE, BCA, MCA, B.Sc or a related degree, or fresh graduates (2027 batch)

4. Can start immediately or within two weeks

Stipend: ₹26,000-₹32,000 monthly

Duration: 3 months | Start date: Immediately

Perks: Pre-placement offer (PPO) for strong performers, Certificate, Job offer on successful completion

Number of openings: 10

About Mainsail Data

Founded in 2011, the business writes the billing, metering and customer portal software that small water and electric utilities run on. Since 2011, the company has sold practice management software to dental and veterinary clinics in India.

Include your expected salary and earliest start date with your application.

Duration: 3 months. Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Mainsail Data.