The Senior Big Data (Cloud) Developer shall have a minimum of ten (10) years of IT experience with demonstrated hands-on expertise in:

  • Development of complex Python scripts (at least 5 years of experience).
  • Development and support activities in cloud-based environments using big data technologies and programming languages and tools such as Scala, Spark, PySpark, Presto, Ranger, Hadoop, and Hive etc. (at least 3 years of experience).
  • Experience working in Amazon Cloud environment (AWS) utilizing tools such as S3, EMR, Databricks, Data Lakes, AWS Glue, Amazon StageMaker, Amazon Redshift etc.
  • Design, development and tuning of complex ETL/ELT processes involving massive data (order of TB).
  • Design, development and support of Web Services (RESTful/SOAP) & Web Scraping (HTTP, CSS and HTML) ETL/ELT processes.
  • Experience working with complex file formats of structured, unstructured and semi-structured data including JSON, XML, CSV, Avro, Parquet etc.
  • Data modelling using RDBMS such as Amazon Relation Database Services (RDS), and PostgreSQL, etc.
  • Development of clear and concise technical documentations including data models, architecture and data workflow diagrams, design documents, and deployment documents.
  • Experience working with Git, and GitLab.


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