s
sazzadh926

Sazzad Hossen

@sazzadh926

Opt for Silence to convey my Anguish

Bangladesh
English, Bengali, Hindi, Urdu
About me
Dynamic Data Engineer with expertise in Data Science & Analytics, Apache Airflow, Spark, ETL pipelines, Data Warehouse (Iceberg, RedShift, BigQuery), Advanced SQL expertise (CTEs, window functions, aggregates, subqueries, joins, and performance tuning) with strong experience in relational databases and NoSQL systems like MongoDB, Python, Kubernetes, Docker, Bash scripting, CI/CD Pipeline, Rest API, data visualization using Power BI and Excel, MinIO-S3, and cloud platforms (AWS, GCP, Azure). Dedicated to ensuring data integrity, optimizing data workflows, and delivering actionable insights. ... Read more

Skills

s
sazzadh926
Sazzad Hossen
Offline • 
Average response time: 1 hour

See my services

Data ETLs
I will build etl elt data pipelines using airflow, spark and sql
From$40 / projectMore details
Data Analytics Consultation
I will analyze your data using sql, python, power bi, and excel
From$20 / projectMore details

Portfolio

Work experience

Walton

Senior Data Engineer

Walton • Full-time

Apr 2023 - Present • 3 yrs 3 mos

•Monitor and troubleshoot daily data ETL processes of Data Warehouse. •Develop and manage ETL/ELT workflows using Apache Airflow and Spark. •Analyze and integrate monthly market share data into the Data Warehouse •Ensure data quality through robust monitoring systems. •Perform testing on Data Warehouses and database schemas, ensuring data integrity and performance. •Build analytical tools and dashboards in MS Power BI and Excel to support business performance metrics and ad hoc data requests. •Analyze and organize data from diverse sources to drive business insights.