Portfolio - Kishan Singh

Kishan Singh

Data Aspirant

[email protected]

PHONE

+91 9330715509

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About Me

Welcome to my data corner 👋

I’m a data professional with 3 years of industry experience, having previously worked at TCS as a Data Quality Analyst and Oracle DBA, and currently working as an Intern at AtliQ Technologies—focused on ensuring reliable data and enabling analytics-driven decision-making.

I strengthened my analytical foundation through hands-on industry experience and internships, gaining practical exposure to SQL, Power BI, Python, and Excel. I enjoy working across the data lifecycle—from data preparation and validation to analyzing trends and delivering insights through dashboards and reports.

What I work on:
✨ Preparing and validating data to ensure accuracy and consistency
✨ Building and optimizing Power BI dashboards for business reporting
✨ Writing efficient SQL queries to analyze large datasets
✨ Supporting database operations to ensure system stability

Outside of work, I enjoy learning new tools, exploring real-world datasets, reading, motorbiking, and discoveri

1

Excel Project

2

PowerBI Projects

1

SQL Project

Key Skills

SQL

Power BI

EXCEL

Python

Snowflake

DBT

PL-SQL

My Projects

My Experience

EXPERIENCE

Data Analyst Intern – AtliQ Technologies

Nov 2025 – Dec 2025
Role: Data Analyst Intern

Analyzed $989M in revenue across 26,841 customers over a six-month period, identifying key growth drivers and peak performance trends.
Identified March 2023 as the highest-performing month, generating $263M in revenue and acquiring 7,081 customers.
Performed geographical and customer segmentation analysis, highlighting Delhi NCR as the top market ($402M revenue, 11,007 customers) and the 31–40 age group as the most profitable segment ($336M revenue, 10,977 customers).

System Engineer – TCS

July 2022 – July 2025

Role: Data Quality Analyst

Ensured data integrity through data validation, deduplication, and cleansing across Excel and SharePoint systems.
Applied business rules to normalize datasets, supporting downstream reporting via Power BI and Informatica pipelines.

Role: Oracle DBA

Managed 200+ ad-hoc database requests and executed 30+ patching and deployment activities, maintaining 95.9% uptime and compliance.
Resolved 1,000+ performance-related tickets (Data Guard, ASM, job failures), streamlined schema refreshes, and supported internal report automation.