Senior Spark / PySpark Data Engineer

Web Spiders is looking for a Senior Spark / PySpark Data Engineer with strong hands-on experience in Apache Spark, PySpark, Python, and large-scale data engineering.

The ideal candidate will have strong experience designing and developing high-performance ETL/ELT pipelines and distributed data-processing solutions using Spark/PySpark, along with experience working with cloud-based data platforms and AWS services.

If Spark + PySpark + Python is your core expertise and you enjoy solving complex data-processing and scalability challenges, we'd love to hear from you.

5+ Years Experience | Kolkata – Work from Office

Core Stack: Apache Spark • PySpark • Python • ETL/ELT • AWS • S3 • Glue • Redshift

* Immediate joiners preferred.*

Working Hours: Ability to work in the US Eastern Time Zone. Depending on project requirements, this may be adjusted to a half-day IST + half-day US EST schedule.

What You'll Do:

• Design, develop, and optimize large-scale ETL/ELT pipelines using Apache Spark and PySpark.
• Develop scalable data transformation and processing solutions using PySpark and Python.
• Build distributed data-processing applications capable of handling large volumes of data.
• Develop reusable and maintainable Spark/PySpark frameworks and data-processing components.
• Optimize Spark jobs for performance, scalability, memory utilization, and execution efficiency.
• Work with complex transformations, joins, aggregations, partitioning, and large datasets.
• Implement data validation, quality checks, error handling, and monitoring within data pipelines.
• Work with AWS data services including EMR, Glue, S3, and Redshift.
• Develop data pipelines supporting data lakes, warehouses, analytics, and downstream applications.
• Troubleshoot production data pipeline and Spark processing issues.
• Identify and resolve performance bottlenecks in Spark/PySpark workloads.
• Collaborate with Data Engineering, Cloud, AI/ML, and Product teams to deliver reliable data solutions.

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Must-Have Skills:

• 5+ years of hands-on experience in Data Engineering.
• Strong hands-on experience with Apache Spark.
• Strong hands-on experience with PySpark.
• Strong programming experience in Python.
• Proven experience developing and optimizing large-scale ETL/ELT pipelines.
• Strong understanding of distributed computing and data-processing concepts.
• Experience working with large datasets and complex data transformations.
• Strong understanding of Spark performance optimization and tuning.
• Experience with cloud-based data engineering, preferably AWS.
• Experience with Amazon S3 and at least one AWS data-processing service such as EMR or Glue.

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Good to Have:

• AWS EMR
• AWS Glue
• Apache Airflow / MWAA
• AWS Step Functions
• Amazon Redshift
• Hadoop ecosystem
• Experience with data lake and data warehouse architectures.
• Experience with CI/CD and production deployment of data pipelines.
• AWS Certified Data Engineer or another relevant AWS certification.

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Interview Process

• Application review
• 5–10 minute initial screening call with the TA team
• Technical interviews {Domain specific}
• ‍Practical test conducted in the presence of a panel member
• ‍Role match & offer