GCP Bigquery

Infosys
Bengaluru East, Karnataka, India

Good to have skills: Cloud Composer, Dataflow, Pub/Sub, Looker, Terraform

Key Responsibilities:

  • Design, develop, and maintain BigQuery datasets, tables, views, and SQL transformations aligned to analytics and reporting needs.
  • Build and support ETL/ELT pipelines leveraging GCS for ingestion and Dataproc for distributed processing where required.
  • Optimize BigQuery performance and cost through partitioning, clustering, query tuning, and efficient data modeling practices.
  • Implement data quality checks, validation routines, and reconciliation processes to ensure trustworthy outputs.
  • Collaborate with cross-functional teams to gather requirements, define data contracts, and deliver curated datasets.
  • Monitor pipeline health, troubleshoot failures, perform root-cause analysis, and drive timely resolution.
  • Maintain clear technical documentation for pipelines, datasets, transformations, and operational runbooks.
  • Follow secure data handling practices and support access controls and governance standards within GCP. Minimum Qualifications:
  • Education: BTECH, MTECH, MCA, MSC.
  • 3–5 years of experience in data engineering or analytics engineering roles with hands-on BigQuery usage.
  • Strong SQL skills with experience building transformations, aggregations, and analytical datasets in BigQuery.
  • Experience working with ETL/ELT concepts, batch processing, and data pipeline troubleshooting.
  • Working knowledge of GCS for data storage, ingestion patterns, and lifecycle handling.
  • Exposure to Dataproc for Spark/Hadoop-based processing and job execution in GCP environments. Preferred Qualifications:
  • Experience designing dimensional or curated data models (e.g., star/snowflake) for analytics consumption in BigQuery.
  • Familiarity with orchestration and scheduling approaches for ETL workflows and dependency management.
  • Proven ability to improve pipeline reliability and performance through monitoring, alerting, and operational best practices.
  • Experience with data governance practices including dataset organization, access management, and documentation standards.
  • Strong stakeholder collaboration skills to translate business requirements into scalable, maintainable data solutions.

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