sunil kumar

Angestellt, Senior Data Engineer, Axel Springer
Berlin, Deutschland

Fähigkeiten und Kenntnisse

Software Development
SQL
Snowflake
snowpipe
snowflake cloud
AWS
AWS S3
EC2
AWS Lambda
Amazon Web Services (AWS)
athena
Teradata
BigQuery
iceberg
Apache Spark
apache iceberg
Data Lake
palantir foundry
Foundry
Python
Python pandas
PySpark
UNIX
Airflow
Terraform
GitHub
CI/CD (continuous integration/delivery)
AI
cortax
Looker Studio
Google Cloud
Informatica PowerCenter
Informatica
RAG
Chatbot
Atlassian Jira
DWH-Architectur
Data Modelling
Data Architecture
Data Warehouse Design
BI
Big Data
MS Office
Team work
Communication skills
Consulting
Project Management
Business Development
Platform
Data Analysis
Application
Scheduling
Data Preparation
FOCUS
Data Modeling
Computer Science
Analytics
Operations Management
Roadmaps
Architecture
Engineering
Management
GMP
Agile Development
Data Integration
Dashboards
Requirements Analysis
Mathematics
Talend
Data Quality
Reports
SSAS
Database
Data Structures
Scrum
REST
Data Cleaning

Werdegang

Berufserfahrung von sunil kumar

  • Bis heute 2 Jahre und 8 Monate, seit Jan. 2023

    Senior Data Engineer

    Axel Springer

    Senior Data Engineer with 9 years of experience in building and optimizing cloud data warehousing (Snowflake, AWS, PySpark, Palantir Foundry). Expert in data modeling, transformation, and BI solutions using SQL and Python. Skilled at creating reliable, well-documented data foundations for analytics, KPI tracking, and strategic decision-making through strong collaboration with engineering and business teams

  • 1 Jahr und 7 Monate, Mai 2021 - Nov. 2022

    Senior Data Engineer

    Harman International

    • Led automation of complex data transformations and migration to Snowflake, ensuring performance and scalability. • Optimized SQL performance, reducing query time by 50% and cost by 40%. • Rebuilt ETL to ELT pipelines using Snow pipe, SnowSQL, and AWS. • Developed, validated, and optimized enterprise-level data models aligned with analytical goals. • Enhanced upstream data reliability through data profiling and quality frameworks.

  • 4 Jahre und 5 Monate, Jan. 2017 - Mai 2021

    Data Engineer

    IBM

    • Migrated large-scale data from Teradata to Snowflake and Hadoop environments with minimal downtime. • Developed Teradata BTEQ/Fast Load and Informatica mappings. • Designed and implemented ETL mappings to improve data processing performance. • Maintained data integrity through rigorous validation and quality controls.

Ausbildung von sunil kumar

  • 3 Jahre und 11 Monate, Juli 2012 - Mai 2016

    Computer Engineering

    Rajiv Gandhi Proudyogiki Vishwavidyalaya

Sprachen

  • Englisch

    Muttersprache

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