Testbook

PostgreSQL Intern

InternshipIn OfficeKolhapur, Maharashtra3 months20K/mo15 openingsImmediate / Rolling

About this internship

Testbook is hiring a PostgreSQL Intern in Kolhapur — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to PostgreSQL engineering rather than a certificate-only programme. About the role As a PostgreSQL Intern at Testbook, your core focus will be using…

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Skills you'll use

PostgreSQLSQLIndexing & EXPLAINJSONBWindow FunctionsCTEsQuery OptimisationBackup & RestoreSchema DesignGit

What you'll do

Work on using the parts of Postgres that make it more than a SQL box — JSONB, CTEs, window functions and EXPLAIN alongside the core team
Apply PostgreSQL, SQL, Indexing & EXPLAIN, JSONB 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 (Computer Science / IT) or MCA
Graduating batch 2025, 2026 or 2027 — final-year students and recent graduates welcome
60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
Working knowledge of PostgreSQL, SQL, Indexing & EXPLAIN (or a genuine willingness to learn them)
Exposure to JSONB, Window Functions, CTEs 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 Kolhapur, Maharashtra or willing to work from there for the internship period

Perks & benefits

Internship CertificateLetter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflowsDirect access to the team that owns the data you work on

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Practical assignment or case study with a short walkthrough
3Discussion with the hiring manager on the role and your fit
4HR discussion — stipend, start date, expectations and offer

About Testbook

Testbook operates in the edtech sector and has an active presence in Kolhapur. 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 work runs…

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