Sayan Maity

Senior Consultant at Novon

Led design and development of ETL pipelines using Azure Data Factory, Delta Lake, Snowflake, and Talend; modernized cloud-based data warehouse; implemented data governance; delivered 100% on-time delivery; mentored junior engineers.

Senior Data Engineer at Bupa Pty Ltd

Led the design and development of a scalable Azure-based analytics platform, improving data processing speed by 40%. Implemented Delta Lake medallion architecture, ingested batch and streaming data, established naming standards, and delivered robust ETL pipelines.

Technical Lead at Wipro

Designed and delivered an SQL- and ML-driven analytics solution; developed a Sentiment Analysis tool for project management; led end-to-end data integration with SSIS/SSRS/Power BI; mentored team members.

Senior Systems Engineer at Wipro

Executed complex SQL queries to analyze customer data, increasing actionable insights by 35%; integrated Power BI dashboards; automated data processing tasks, saving ~10 hours per week.

Software Engineer at ICRA Techno Analytics Ltd

Developed data processing and analytics solutions; worked on SQL, Oracle, and ETL pipelines; contributed to analytics projects and data-driven initiatives.

Senior Data Engineer at Bupa Pty Ltd

Led the design and development of a scalable Azure-based analytics platform, improving data processing speed by 40%. Integrated Apache Spark with Azure Databricks to streamline data pipeline construction, reducing system latency by 25%. Standardized cloud-based ETL processes, achieving 15% faster delivery. Authored reusable code libraries reducing development effort by 20%. Established naming standards for cloud-based data warehousing solutions across projects. Facilitated project planning by effectively estimating technical tasks, resulting in superior sprint execution and 100% on-time delivery. Led the redesign and migration of legacy systems to Microsoft Azure; collaborated with stakeholders to define requirements and constraints; architected and implemented cloud-native solutions and re-architected legacy services. Administered and optimized Azure environments for performance, security, and cost. Developed reusable deployment patterns for Azure services; enabled business users to c

Led the design and development of a scalable Azure-based analytics platform, improving data processing speed by 40%. Integrated Spark with Azure Databricks to streamline batch and streaming data pipelines. Standardized cloud-native data warehouse ETL/ELT processes, enabling faster analytics and governance. Built repeatable deployment patterns for Azure services and migrated legacy systems to cloud-native architectures. Administered and optimized Azure environments for performance, security, and cost; collaborated with stakeholders to define system requirements and constraints.

Azure/AWS Integration Data Engineer at Bupa Pty Ltd

Led the design and development of a scalable Azure-based analytics platform, improving data processing speed by 40%. Integrated Apache Spark with Azure Databricks for streaming pipelines, reducing system latency by 25%. Standardized cloud-based ETL/ELT processes for data warehouses; authored reusable code libraries reducing development effort and costs. Established cloud data governance and naming standards; planned technical tasks for timely delivery and contributed to architecture reviews and documentation.

Senior Consultant at Pre Acta Recruitment

Enterprise Data Lake using Delta Lake and Medallion Architecture; designed and implemented bronze, silver, and gold layers; ingested batch and streaming data; enabled schema evolution and time travel; optimized Spark jobs and data pipelines for reliability and performance.

Lead Azure Data Platform / Azure Data Engineer at Bupa HI Pty Ltd

Led the design and development of a scalable Azure-based analytics platform; improved data processing speed by ~40%; integrated Spark with Delta Lake, Azure Data Factory, and other Azure services to streamline ETL/ELT; implemented CI/CD pipelines and governance for data assets.

ETL/Data Engineer at Novon

Developed extensive ETL pipelines using Azure Data Factory; increased workflow efficiency by ~30%; designed end-to-end data flows, SISS/SSAS/SSRS-based reporting, and dashboards for stakeholders.

Senior Systems Engineer / Lead at Wipro

Designed complex SQL queries to analyze customer data; implemented end-to-end analytics using SSIS, SSAS, SSRS, and Power BI; built dashboards; mentored cross-functional teams; led migration and optimization efforts.

Azure/AWS Integration Data Engineer at Bupa Pty Ltd

Led design and development of a scalable Azure-based analytics platform using Delta Lake, enabling bronze, silver, and gold data layers. Ingested batch and streaming data (Auto Loader, structured streaming), implemented schema evolution and time travel for reliable data lake operations, and performed performance tuning on Spark jobs (shuffle optimization, broadcast joins, partition strategy). Implemented CI/CD pipelines, data governance with Azure Key Vault, and orchestrated data workflows using Snowflake for data warehousing and dbt-based transformations.

Senior Data Platform Engineer at Bupa Pty Ltd

Led the modernization of the Azure data platform, integrating Delta Lake and Snowflake, ingesting both batch and streaming data, and enabling end-to-end data governance. Optimized ETL processes and developed scalable data pipelines with Airflow, dbt, and Terraform, delivering improved data processing speed and reliability.

Senior Consultant at NovoN

Designed and delivered advanced ETL/ELT solutions, led cross-functional collaboration with data analysts and developers, and drove performance improvements in data processing and reporting. Won awards for delivering robust analytics packaging and data integration solutions across multiple large projects.

Azure/AWS Integration Data Engineer at Bupa Pty Ltd

Led continued modernization of cloud data platforms, integrating Delta Lake, Spark, and MLflow across Azure and AWS. Built and governed end-to-end ETL pipelines, implemented data governance controls, and automated data ingestion and transformation using Airflow and Talend. Collaborated with data science and BI teams to deliver timely business insights via Azure Synapse and Power BI/Tableau dashboards.

Senior Systems Engineer at Wipro

Developed complex SQL queries to analyze customer data, increasing actionable insights by 35%. Integrated Power BI dashboards to visualize analytics, automating routine data processing tasks and saving the team ~10 hours per week. Led cross-functional collaboration to identify data opportunities and drive banking, E&U domain analytics improvements.

Software Engineer at ICRA Techno Analytics Ltd

Developed and supported US-based Covance/Cross Financial Technology projects; implemented SQL/Oracle-based data processing and analytics pipelines; contributed to data visualization and reporting.