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Senior Machine Learning Engineer / Data Scientist

Heicoders Academy

Instructor

Gojek

Data Scientist

Data Analyst

Kuprion Inc

R&D Assistant

Fave

Growth Planner

Nanyang Technological University

Research Assistant

Xfers

Marketing Analyst

🤖 I use analytics, machine learning and deep learning to fight spam content at work. Classic ML algorithms, time series analysis, natural language processing, or computer vision are just some examples of the techniques I’ve used.

🧑‍🏭 I like learning and teaching things! I'm a chemical engineer turned data scientist. I self-learnt pretty much everything to move into tech. I'm now pursuing my Master's in Computer Science, teaching at a data science bootcamp, and sharing data science knowledge online.

Let’s connect. 
Personal site: https://www.travistang.com
Email: travistang.vh@gmail.com

Travis Tang

Designed and implemented highly scalable ETL (Extract, Transform, Load) pipelines capable of efficiently processing and ingesting massive volumes of data from diverse sources into the data warehouse.
Collaborated closely with cross-functional teams, including developers and analysts, to deeply understand data requirements and ensure seamless data availability for analytical and reporting purposes.
Innovatively optimized data processing workflows, achieving a remarkable 40% reduction in data pipeline execution times.
Spearheaded the development of User Defined Functions (UDF) and stored procedures to automate daily ETL processes, significantly enhancing batch ingestion efficiency.
Implemented robust data quality checks and monitoring solutions to proactively identify and resolve data inconsistencies and anomalies, ensuring the highest data integrity.
Expertly handled data transformation and cleansing tasks, managing substantial raw data from clients in CSV format (360GB total size, encompassing both GSTPrime and EWayBill databases).
Writing complex SQL queries to serve new requirements for ETL, data analysis, and debugging.
Finetune or optimize queries to support the increasing volume of data.
Conducted thorough ad-hoc analysis as requested by clients, adeptly crafting SQL queries to address various use cases and deliver actionable insights.
Successfully engineered and executed KPI calculations for the Revenue and Return Modules, devising all requisite SQL queries.
Led a seamless data migration effort to transfer 5 years' worth of data (650GB) to the MPCTD Production Server, aligning the production database with the evolving EY-RA Tool being developed by the EY team.
Orchestrated the deployment of Java-based applications through a robust CI/CD pipeline using Jenkins, Docker, Kubernetes, and Apache Tomcat, ensuring the reliable release of high-quality software solutions.

Data Engineer

CARS24

Data Analyst 

GlobalLogic

Senior Analyst

Analyst

Associate Analyst

OneLearn.io

Data Science Intern

Nuclear Power Corporation of India Limited

Summer Intern

Rajasthan Rajya Vidyut Utpadan Nigam Limited

Summer Trainee

Pawan Kumar Chahar
Kota City, Rajasthan, India | Email: pavankuchahar@gmail.com | 
HackerRank: https://www.hackerrank.com/pavankuchahar  | 
Tableau Public: https://public.tableau.com/app/profile/pawan.kumar.chahar

Hi there!

I'm Pawan Chahar, a passionate Data Engineer with over 5 years of experience in the IT industry, specializing in Data Science and analytics for the past 4 years.

Key Highlights:

Proficient in a wide range of data analytics techniques, I excel in:
Exploratory Data Analysis and Visualization
Descriptive Analysis
Predictive Analysis
Statistical Modeling
Technical Toolbox:

Programming: Python
Web Scraping: BeautifulSoup, Requests
Frameworks: Flask, Streamlit, RestfulAPI
Libraries: Numpy, Pandas, Matplotlib, Seaborn, Plotly, Scikit-Learn
Dashboard Tools: Tableau, Google Data Studio
Databases: MySQL, PostgreSQL, Snowflake
IDEs: Jupyter Notebook, Google Colab, PyCharm
Cloud: Proficient in AWS, EC2, S3, GCP, GCS, GKE, Cloud SQL, Dataflow, DataProc, BigQuery
Containerization: Docker, Kubernetes
CI/CD: Jenkins, GitHub Actions
I am open to opportunities in roles such as Data Scientist, Python Data Science Developer, Data Engineer, Business Analyst, and Product Analyst. My enthusiasm for data-driven insights and my technical prowess make me a valuable asset to any data-focused team.

Let's connect, collaborate, and explore the endless possibilities of data together! Feel free to reach out at pavankuchahar@gmail.com.

Pawan Kumar Chahar

taplio

The Battle

Travis Tang

Pawan Kumar Chahar

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