JavaScript Developer Intern

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Skills you'll use

What you'll do

• writing modern ES6+ JavaScript
• manipulating the DOM and handling events
• integrating third-party and REST APIs
• debugging and improving browser performance
• 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 JavaScript, ES6+, DOM (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

Interview & selection process

4 rounds — typical selection flow for this role:

1. 1Application screening & resume shortlisting by the talent team
2. 2Discussion with the engineering hiring manager
3. 3Team-fit / behavioural interview
4. 4HR discussion — stipend, start date, expectations and offer

About L&T Technology Services

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