Summary
Overview
Work History
Education
Skills
Websites
Certification
Projects
Languages
Timeline
Generic

CHARAN TEJA K

Bangalore

Summary

Data Science / Data Analyst Enthusiast with 4.5 years of experience in delivering end-to-end data-driven solutions across multiple industries. Well-versed in Python and advanced in SQL, with hands-on expertise in data visualization, ETL pipelines, and transforming large-scale datasets into actionable business insights. Skilled in applying machine learning techniques to real-world problems and communicating analytical findings to both technical and non-technical stakeholders. Proven ability to translate complex business requirements into impactful, scalable solutions that support strategic decision-making.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Senior Business Analyst

Impact Analytics
Bangalore
03.2025 - Current
  • Performed in-depth analysis of large datasets using BigQuery and advanced SQL within a hindsight module, extracting key metrics and insights to evaluate past performance trends and support continuous business improvement.
  • Provided technical support by reviewing design documents and code with a focus on database optimization and efficient SQL querying to enhance software development projects.
  • Conducted comprehensive gap analysis to identify discrepancies between current data processes and target business objectives, enabling strategic planning for process improvements.
  • Developed and maintained scalable APIs, ensuring seamless data integration and accessibility for multiple clients across diverse environments.
  • Facilitated effective communication and collaboration within cross-functional teams to address critical issues and ensure smooth project delivery throughout all phases.

Decision Scientist

Mu Sigma Business Solution Private Limited
Bangalore
10.2022 - 03.2025
  • Facilitated requirement gathering and project roadmap discussions with business team to deliver quality data solutions.
  • Performed onsite (Client's Site) data discovery and Data Quality Management (DQM) to align strategies with business objectives.
  • Designed and documented comprehensive data architecture and ETL workflows for seamless data integration.
  • Developed, optimized, and maintained complex SQL queries and stored procedures for centralized data warehouses.
  • Built and enhanced ETL pipelines using SQL and Python to process large-scale datasets for analytics.
  • Created dynamic ETL pipeline supporting price comparison dashboard with advanced SQL for market alignment.
  • Conducted Exploratory Data Analysis (EDA) on extensive datasets using SQL and Python to uncover trends.
  • Translated technical insights into actionable business recommendations through effective communication across teams.

Assistant System Engineer

TATA Consultancy services
Bangalore
01.2021 - 09.2022
  • Developing Python scripts for faster execution of tasks and reports, such as productivity count and inflow data.ata.
  • Analyzing huge amount of data in reports to find the insights that could be developed for smoother activities and client related issues for the application side.
  • Writing SQL queries to analyze the issues raised by customer and giving the RCA and further steps to avoid the similar issues.
  • Working on Microsoft Azure services such as the storage accounts, bash( Few unix commands), vms through bastion server for testing and production activities.

Education

Post Graduate Program - Data Science

Great Lakes Institute of Management
Bangalore
01.2022

B.E - Computer Science and Engineering

NITTE Meenakshi Institute of Technology
Bangalore
09.2020

Skills

  • SQL
  • Python
  • Data visualization
  • Data Analysis
  • ETL processes
  • Linear regression
  • Logistic regression
  • Time series analysis
  • Requirement gathering
  • API Development
  • Effective communication and Team collaboration

Tools:

  • Big query
  • DBeaver
  • Jupyter Notebook
  • RapidMiner
  • Postman API
  • RapidMiner
  • Excel/Tableau
  • cursor AI/Visual studio
  • Jira

Certification

  • Data Engineering Professional Certification - Rapid Miner
  • Machine Learning Professional Certification - Rapid Miner
  • Application and Use cases Professional Certification - Rapid Miner
  • Google certified Associate Cloud engineer

Projects

Fraud Detection - Cyber Security, Designed an effective fraud detection system to reduce losses incurred that detects fraud accurately and classifies the types of attacks in real-time transactions. Time Series - Coffee Price prediction, Identified trends and seasonality to implement a time series model for price prediction.

Languages

  • English, Full Professional Proficiency
  • Telugu, Professional Working Proficiency
  • Kannada, Professional Working Proficiency
  • Hindi, Full Professional Proficiency

Timeline

Senior Business Analyst

Impact Analytics
03.2025 - Current

Decision Scientist

Mu Sigma Business Solution Private Limited
10.2022 - 03.2025

Assistant System Engineer

TATA Consultancy services
01.2021 - 09.2022

Post Graduate Program - Data Science

Great Lakes Institute of Management

B.E - Computer Science and Engineering

NITTE Meenakshi Institute of Technology

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CHARAN TEJA K