Mastercard

TypeScript Web Developer Intern

InternshipHybridKolkata, West Bengal3 months37K/mo1 openingImmediate / Rolling

About this internship

Mastercard has an open TypeScript Web Developer Intern position in Kolkata for motivated freshers and final-year students. You will join a supportive engineering team, take ownership of meaningful web features, and grow the practical skills employers actually look for. As a TypeScript Web…

Skills you'll use

TypeScriptReactJavaScriptREST APIsHTMLCSS

What you'll do

writing strongly-typed React / TypeScript code
building reusable typed components
integrating REST / GraphQL APIs
improving code quality and tests
Collaborate with the team and document your work
Take ownership of assigned web features and act on code-review feedback

Who can apply

Pursuing or recently completed a degree in CS / IT / any relevant stream — 2026 freshers & final-year students welcome
Foundational knowledge of TypeScript, React, JavaScript (or a strong willingness to learn them)
Understanding of HTML, CSS and JavaScript basics; familiarity with Git is a plus
Good communication, problem-solving and a genuine eagerness to learn
Based in or willing to work from Kolkata
A portfolio, personal website or web project you can show (a plus, not mandatory)

Perks & benefits

Mentorship from experienced engineersReal-world web project experienceHands-on with modern web tools & frameworksPre-Placement Offer (PPO) opportunityFlexible working hours

Interview & selection process

2 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Discussion with the engineering hiring manager

About Mastercard

Mastercard operates in the fintech space and actively invests in early-career engineering talent across Kolkata. Its culture is practical and learning-oriented: mentorship, code reviews and real project work are part of everyday life, and interns are treated as genuine members of the team. Working…

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