SQL Developer Intern

About the Role

This full-time internship at SkillzenLoop focuses on learning to write efficient queries, design clean tables, and build essential reports.

Key Responsibilities

• Set up MySQL.
• Explore existing tables and write simple queries to understand data connections.
• Write joins, subqueries, and aggregations to answer team questions.
• Create views and a stored procedure for recurring reports.
• Identify and optimize slow queries using indexes or better design.
• Document changes made to improve query performance.
• Check results against source data daily.
• Share progress in short daily check-ins.

Requirements & Tech Stack

• SQL basics (SELECT, JOIN, GROUP BY, HAVING, subqueries)
• Working knowledge of MySQL, PostgreSQL, or SQL Server
• Understanding of primary keys, foreign keys, and normalization
• Logical, structured thinking
• A laptop and a stable internet connection
• Skills that will help but are not required: Knowledge of indexes and query execution plans, basic Excel or Python, a SQL practice profile on HackerRank or LeetCode, or a small database project.

Qualifications

• Open to final-year students and recent graduates from B.Tech, B.E., BCA, B.Sc (CS/IT), MCA, B.Com or any stream with strong SQL skills.
• Open to self-taught learners who can show a project or certificate.
• Open to freshers with no prior experience needed.
• Candidates must be able to work full-time for the internship period (1 to 3 months).

What You Take Away

• Work on real databases and reporting needs.
• Regular feedback from experienced team members.
• Query samples and database projects to showcase.
• Internship completion certificate.
• Freedom to work remotely from anywhere in India.