Open To Work
SANJEEV KUMAR DAS
Bhubaneswar
Summary
Accomplished Data Analyst at Tata Consultancy Services with expertise in Python and PySpark, driving impactful ETL solutions. Proven ability to enhance data quality and streamline processes, while effectively collaborating in Agile teams. Adept at leveraging AWS services and Apache Airflow for robust data orchestration and management.
Overview
6
6
years of professional experience
Work History
IT Analyst
Tata Consultancy Services
Bhubaneswar
02.2022 - Current
- Designed and implemented ETL pipelines in Python to extract, transform, and load data from multiple data sources, like SFTP, S3, or RDBMS, into AWS-based data lakes and data warehouses.
- Performed data ingestion and transformation from diverse file formats, such as CSV, JSON, XML, and fixed-width files.
- Developed and maintained scalable PySpark applications using Spark DataFrames to process large-scale, structured, and semi-structured data.
- Developed data lake curation processes, including data quality checks, and structural transformations.
- Worked extensively with SQL databases and Hive for querying, data modeling, and batch processing on large datasets.
- Currently, I am learning and building workflows using Apache Airflow for the orchestration of complex ETL pipelines.
- Exploring Snowflake, focusing on data ingestion, performance tuning, virtual warehouses, and its cloud-native architecture.
Python Developer
Marlabs Innovation Pvt. Ltd.
Bangalore
11.2018 - 02.2022
- Developed and maintained scalable web applications using Python and Django, implementing the MVC/MVT architecture.
- Designed RESTful APIs using the Django REST framework, supporting CRUD operations and seamless backend/frontend communication.
- Managed deployment processes via Docker containers, and orchestrated using Kubernetes on AWS EC2 instances.
- Contributed to AWS services integration, including S3, Lambda, SES, and SNS, to support various microservices and data flow operations.
- Handled production server configurations, logging, and monitoring through tools like Nginx, Redis, and Shell scripting.
- Utilized Git for version control and collaborated in an Agile (Scrum) team to deliver iterative improvements.
Education
Bachelor of Technology - Electrical Engineering
Silicon Institute of Technology
Bhubaneswar04-2018
Skills
- Python
- PySpark
- ETL pipelines
- Django REST Framework
- Hive, SQLDB
- Tivoli Workload Scheduler
- Cloud AWS (EC2, S3, SNS, Glue, Dynamo)
- DevOps (Nginx, Redis, Hadoop, Spark,Jenkins)
- Apache Airflow
Languages
Hindi
First Language
English
Upper Intermediate (B2)
B2
Odia
Beginner
A1
Accomplishments
- Won multiple On-the-Spot awards, as well as the Excellence and Beyond Performance Award
- I won the Marlabs GEM Award in 2019, and I received many quarterly performance achiever certificates
Work Preference
Job Search Status
Open to workWork Type
Full TimeLocation Preference
HybridRemoteOn-SiteSalary Range
₹45000/yr - ₹200000/yrTimeline
IT Analyst
Tata Consultancy Services
02.2022 - Current
Python Developer
Marlabs Innovation Pvt. Ltd.
11.2018 - 02.2022
Bachelor of Technology - Electrical Engineering
Silicon Institute of Technology