Personal details

KALAI

Mentor-cum-Freelancer

Based in: 🇮🇳 India

Timezone: Chennai (UTC+5.5)

Summary

Software Engineer with 10 years of experience in Online Mentoring.
My Database and SQL expertise include Conceptual and Logical designs (ERD &EER), Normalization, Relational Schemas, Complex queries, CTE, Stored Procedures, Functions, Cursors, Indexing, Optimization)
I also mentor in Python Programming (3x) , Java (Version 8), MS Access (2020 and lower versions), Tableau (Visualizations) and C/C++.
*** Full refund if the issue was not resolved ***

Technical skills

Top 3 skills

SQL・7 yrs Python・3 yrs

Other skills

Relational Database・6 yrs Microsoft Access・6 yrs Java・3 yrs Web Development・3 yrs C++・6 yrs Database・6 yrs Tableau・1 yr MySQL・7 yrs Data Analysis・5 yrs Pandas・5 yrs Excel・5 yrs PostgreSQL・3 yrs SSRS (SQL Server Reporting Services)・2 yrs SQLite・5 yrs Google BigQuery・3 yrs Amazon Redshift・2 yrs

Work Experience

Mentor-cum-Freelancer

Codementor | Jan 2021 - Present

MySQL

PostgreSQL

SSIS (SQL Server Integration Services)

Pandas

Relational Database

Google BigQuery

Python 3

SSRS (SQL Server Reporting Services)

Microsoft SQL Server

Databricks

**Top rated featured mentor and guided more than 750+ mentees in Data Analysis using Pandas/SQL** ● Designed more than 50 Database Architecture/ design at company level and also completed data migration. ● Prominent design includes database design of Electricity Board Dept. (U.S.) & Govt. Based Water Supply Project (U.S.) ● Dealt with challenges from Hacker Rank, 6th sense technologies case study design and many projects & Case studies Here's my dashboard link --> https://www.codementor.io/@kalaiselvid

Tutor-cum-Freelancer

Chegg Tutors | Jun 2019 - Dec 2021

MySQL

Oracle

SQLite

PostgreSQL

Relational Database

Design Architecture

Microsoft SQL Server

● One of the top Computer Science Tutor with more than 1048 sessions, 99% positiveness and 99% completion rate. ● Tutored projects involving Database/SQL and Python.

Education

Anna University, Chennai, India

Bachelor's degree・Information Technology

Aug 2007 - Apr 2011

Personal Projects

CCA Automation Application

2018

Java

MySQL

Java Swing

Developed application software for capturing CCA (Co-Curricular Activities) @ Kendriya Vidyalaya No.1, Puducherry, India.

Salary Automation

2018

Excel VBA

Developed spreadsheet application software for automating teachers' salary @ Kendriya Vidyalaya No.1, Puducherry, India.

Certifications & Awards

FACT - Faculty Certification @ NIIT for Oracle

NIIT