CoreStack

SQL Analyst Intern

InternshipIn OfficeThrissur, Kerala2 months14K/mo9 openingsImmediate / Rolling

About this internship

Start your career in SQL analysis with CoreStack as a SQL Analyst Intern in Thrissur. You will sit with a working team, use the same tools and systems they do, and own a defined piece of work from day one. About the role As a SQL Analyst Intern at CoreStack, your core focus will be answering…

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Skills you'll use

SQLJoins & AggregationsWindow FunctionsData ValidationExcelBusiness MetricsReportingPower BI BasicsDocumentationCommunication

What you'll do

Work on answering business questions directly in SQL, and being sure the join did not double your rows alongside the core team
Apply SQL, Joins & Aggregations, Window Functions, Data Validation 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 (any branch), BCA/MCA, B.Sc (Statistics/Mathematics), B.Com/BBA or MBA
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, Joins & Aggregations, Window Functions (or a genuine willingness to learn them)
Exposure to Data Validation, Excel, Business Metrics 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 Thrissur, Kerala or willing to work from there for the internship period

Perks & benefits

Letter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityDirect access to the team that owns the data you work on

Interview & selection process

2 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Discussion with the hiring manager on the role and your fit

About CoreStack

CoreStack operates in the software (saas) sector and has an active presence in Thrissur. 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 distance. The…

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