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Sr. Data Engineer (AWS)

GS Lab & GAVS

5 - 8 years

Chennai

Posted: 25/08/2025

Job Description

We are looking for a Senior Data Engineer to design, build, and optimize large-scale data processing systems supporting healthcare analytics and operational reporting. This role will involve working closely with DataOps, DevOps, and QA teams to enable scalable and reliable data pipelines.


Key Responsibilities

Design and implement ETL/ELT pipelines using Python and PySpark


Develop scalable data workflows using Apache Spark and AWS Glue


Collaborate with QA and DevOps to integrate CI/CD and testing automation


Manage data lake structures and ensure data quality, lineage, and auditability


Optimize and monitor performance of batch and streaming pipelines


Build infrastructure as code (IaC) using tools like Terraform, GitHub Actions


Work across structured, semi-structured, and unstructured healthcare datasets


Required Technical Skills

Core & Deep Knowledge Assessment:


Python


PySpark


SQL (including Window functions and CASE)


AWS Glue, S3, Lambda


Apache Spark


Apache Airflow


Delta Lake/Data Lakehouse Architecture


CI/CD (Terraform, GitHub Actions)


ETL/ELT pipeline design and optimization


Basic Overall Knowledge Assessment:


Kafka


Data modeling and normalization


Unix/Linux


Infrastructure as Code (IaC)


Cloud storage, IAM, and networking fundamentals (AWS)


Git version control


Healthcare data domain knowledge

About Company

GS Lab and GAVS have merged to offer end-to-end digital transformation and IT services. Their combined expertise spans AI/ML, cloud modernization, infrastructure management, and cybersecurity. They serve clients in healthcare, BFSI, and enterprise IT.

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