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CaratLane

SQL & Database Developer Intern

InternshipHybridHowrah, West Bengal3 months19K/mo5 openingsImmediate / Rolling
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About this internship

CaratLane is hiring a SQL & Database Developer Intern in Howrah — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to database engineering and backend data access rather than a certificate-only programme. About the role As a SQL & Database Developer…

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Skills you'll use

SQLPostgreSQL / MySQLDatabase Design & NormalisationIndexing & Query TuningStored ProceduresMongoDBTransactions & LockingBackend Programming (Java / Python)GitData Modelling

What you'll do

  • Work on designing schemas, writing queries that stay fast at scale, and fixing the ones that do not alongside the core team
  • Apply SQL, PostgreSQL / MySQL, Database Design & Normalisation, Indexing & Query Tuning to live, production-facing problems
  • Document your work clearly for reviewers and stakeholders
  • Participate in reviews and act on the feedback you receive
  • Collaborate across engineering, product, design or business as required
  • Follow the team's quality, testing and documentation standards

Who can apply

  • Pursuing or recently completed B.E./B.Tech (CSE/IT), BCA/MCA or B.Sc (Computer Science / IT)
  • Graduating batch 2026, 2027 or 2028 — final-year students and recent graduates welcome
  • 60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
  • Working knowledge of SQL, PostgreSQL / MySQL, Database Design & Normalisation (or a genuine willingness to learn them)
  • Exposure to Indexing & Query Tuning, Stored Procedures, MongoDB is an advantage
  • Clear written and verbal communication in English, and care with detail in your work
  • No prior work experience required — this is a fresher-friendly internship
  • Based in Howrah, West Bengal or willing to work from there for the internship period

Perks & benefits

Exposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsInternship CertificateStructured onboarding and a formal mentor at a large, established employer

Interview & selection process

2 rounds — typical selection flow for this role:

  1. 1Application screening & resume shortlisting by the talent team
  2. 2Online aptitude / domain assessment

About CaratLane

CaratLane operates in the jewellery e-commerce sector and has an active presence in Howrah. Interns here are put on real work from the start, because the team's view is that the fastest way to learn a craft is to practise it under people who already do it well — not to watch it from a…
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