Larsen & Toubro

Backend Developer Intern

InternshipHybridPatna, Bihar6 months12K/mo5 openingsImmediate / Rolling

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Vacancies: 6,715
Last date to apply: 21 Jul 2026
Salary starting from: ₹48,480 / month

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About this internship

Kick-start your career with Larsen & Toubro in Patna as a Backend Developer Intern. If you learn fastest by doing real work, this internship gives you real projects, real feedback and real mentorship from day one. As a Backend Developer Intern, you will work alongside experienced professionals on…

Skills you'll use

Node.jsExpress.jsMongoDBSQLREST APIsJavaScriptGitJWT

What you'll do

Design and implement REST APIs and business logic
Model data and write efficient database queries
Add authentication, validation and error handling
Write unit tests and document endpoints
Collaborate with the team, document your work and act on feedback

Who can apply

Pursuing or recently completed a relevant degree/diploma (role-dependent, any stream where applicable)
Foundational knowledge of Node.js, Express.js, MongoDB, SQL
Good communication skills and a genuine willingness to learn
Based in or open to working from Patna, Bihar (or remote where applicable)
A portfolio, project or coursework you can show (a plus, not mandatory)

Perks & benefits

Networking opportunitiesInternship CertificateLetter of RecommendationMentorship from experienced professionalsReal-world project experiencePre-Placement Offer (PPO) opportunity

Interview & selection process

3 rounds — typical selection flow for this role:

1Application Screening — the Larsen & Toubro recruitment team reviews your resume, skills and (where relevant) projects/portfolio for fit with the Backend Developer Intern internship in Patna.
2Online Assessment — a timed test covering fundamentals, problem solving and basic Node.js/Express.js/MongoDB questions.
3Technical / Functional Interview — a discussion of your skills, past work and a hands-on round relevant to Backend Developer Intern.
4HR Discussion — a conversation about your goals, availability, expectations and the offer with Larsen & Toubro.

About Larsen & Toubro

Larsen & Toubro is a engineering and infrastructure organisation with an active presence in India and a track record of hiring and developing young talent. The team believes the best way to grow people is by doing real work, so interns are given genuine ownership from the start. Working here means…

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