HighLevel

Advanced SQL Developer Intern

InternshipIn OfficeCoimbatore, Tamil Nadu3 months13K/mo11 openingsImmediate / Rolling

About this internship

HighLevel has an open Advanced SQL Developer Intern position in Coimbatore for motivated freshers and final-year students. You will work on live advanced SQL development projects and finish with something you can genuinely talk about in interviews. About the role As an Advanced SQL Developer…

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Skills you'll use

Advanced SQLWindow FunctionsCTEsJoins & Set OperationsIndexingQuery OptimisationPostgreSQL or MySQLData ModellingAnalytical ThinkingDocumentation

What you'll do

Work on writing the window functions, CTEs and joins that answer questions nobody could answer before — and making them fast alongside the core team
Apply Advanced SQL, Window Functions, CTEs, Joins & Set Operations 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, B.Sc (Computer Science / Statistics) or B.Com with strong SQL
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 Advanced SQL, Window Functions, CTEs (or a genuine willingness to learn them)
Exposure to Joins & Set Operations, Indexing, Query Optimisation 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 Coimbatore, Tamil Nadu or willing to work from there for the internship period

Perks & benefits

Networking with senior professionalsInternship CertificateLetter of RecommendationMentorship from a named mentorLive project experienceBroad ownership and direct exposure to founders and senior decision-makers

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Technical interview on fundamentals and your projects
3Practical assignment or case study with a short walkthrough
4HR discussion — stipend, start date, expectations and offer

About HighLevel

HighLevel operates in the marketing automation saas sector and has an active presence in Coimbatore. 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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