Sep 2022 – Jul 2025 · 2 yrs 10 mos · Bengaluru, Karnataka, India

• Technical lead as python/pyspark developer with azure databrics
• Project: RA_Modernization (NIQ)
• Role/Period: Python Developer | Feb 2025 – Present
• Translating High-Level Designs (HLDs) into detailed Low-Level Designs (LLDs) to ensure smooth and accurate implementation of business logic.
• Developing and testing Apache Airflow DAGs, integrating Databricks notebooks, JAR files, and JSON input handlers, enabling a fully automated and modular data workflow.
• Implemented automation workflows with notification support (Azure Service Bus), ensuring business-driven alerts and seamless monitoring of pipeline execution.
• Conducted successful UAT and production readiness testing, validating end-to-end pipeline performance and ensuring reliable integration into production.
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• Project: Cox_DE&D_Cloud
• Role/Period: Technical Lead | Feb 2024 – Dec 2024
• Designed and led the development of a Data Exchange & Transformation framework, enabling efficient ETL data transfers to AWS Cloud from diverse source systems.
• Collaborated with clients and stakeholders to align business requirements with scalable technical solutions, ensuring on-time and high-quality delivery.
• Managed and optimized a multi-technology stack including AWS (S3, EC2), Python, Apache Spark, Azure Databricks, DB2, Jira, and Git, ensuring high performance and reliability.
• Enhanced ETL performance and optimized data pipelines, achieving measurable improvements in processing speed and cost efficiency.
• Oversaw environment cloning and implemented disaster recovery strategies, ensuring seamless Dev/Test/UAT setup and business continuity during failures.
• Provided technical leadership through sprint planning, task allocation, and mentoring team members, driving collaboration across onshore/offshore teams.

Sep 2022 – Feb 2023 · 5 mos · Bengaluru, Karnataka, India

• Project: ThoughtSpot Cloud Migration
• Role/Period: Technical Lead | Nov 2023 – Feb 2024
• Led the design and development of a large-scale application migration initiative, introducing a new reporting table between the Analytical and Consumption layers in TS-Cloud, enabling faster insights, revenue growth, and cost optimization.
• Collaborated directly with clients and stakeholders to capture requirements, ensuring alignment of business goals with data modeling, processing techniques, and scalable architecture.
• Managed and optimized technologies including Apache Spark, Azure Databricks, Greenplum, ThoughtSpot, Jira, and SQL/PLSQL, improving ETL framework efficiency and ensuring successful delivery across onshore/offshore teams.
• Architected disaster recovery strategies for PostgreSQL databases and provisioned cloned environments (Dev, Test, UAT) with production data, ensuring business continuity and robust validation environments.
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• Project: BHGE Application Migration
• Role/Period: Technical Lead | Sep 2022 – Nov 2023
• Directed the migration of data and applications from Greenplum to Databricks, ensuring a seamless transition of large-scale workloads with zero data loss and strict adherence to business requirements.
• Acted as a client-facing consultant, gathering requirements, translating them into technical specifications, and providing best-fit solutions in data modeling, data processing, and data warehousing practices.
• Optimized the technical ecosystem leveraging Apache Spark, Azure Databricks, Greenplum, ThoughtSpot, Rally, and SQL/PLSQL scripts, resulting in measurable ETL performance improvements and reduced runtime.
• Implemented disaster recovery solutions for PostgreSQL databases and oversaw environment cloning (Dev, Test, UAT) with production datasets, ensuring smooth testing, validation, and customer acceptance.

Jul 2022 – Sep 2022 · 2 mos · Gurugram, Haryana, India · Hybrid

• Python/pyspark developer .
• Worked as a Senior Developer in a Spark and Databricks environment, contributing to the end-to-end technical design and development of a scalable data platform.
• Engaged with clients and stakeholders to gather requirements, ensuring solutions were technically aligned with business objectives and project goals.
• Led technical implementation efforts, managing Spark, Databricks, Jira, and SQL/PLSQL, while driving ETL framework performance optimization through advanced tuning techniques and best practices.
• Architected and implemented disaster recovery strategies, ensuring business continuity and minimal downtime.
• Managed environment provisioning, including cloning and refreshing of Test and UAT environments using production data, tailored to customer requirements for validation and quality assurance.

Feb 2018 – Feb 2020 · 2 yrs · Bangalore Urban, Karnataka, India

• Developed and maintained large-scale data solutions on Greenplum, with a strong focus on query optimization, data reliability, and efficient management practices.
• Migrated Oracle SQL/PLSQL queries into PostgreSQL, ensuring high performance and seamless cross-platform compatibility for business-critical applications.
• Collaborated closely with DBAs to design and implement indexing, partitioning, and schema strategies, which significantly improved database scalability and efficiency.
• Led performance tuning initiatives for PostgreSQL workloads, reducing query execution time by optimizing execution plans, refining indexing strategies, and restructuring complex joins.
• Partnered with stakeholders and cross-functional teams, translating business requirements into robust technical solutions and ensuring timely delivery of migration projects.

Jan 2017 – Feb 2018 · 1 yr 1 mo · Bangalore Urban, Karnataka, India

• Assisted in the development of data solutions on Greenplum and PostgreSQL, contributing to projects focused on optimization, migration, and performance enhancement.
• Converted Oracle SQL/PLSQL queries into PostgreSQL, gaining hands-on experience in syntax conversion, data type mapping, and performance validation.
• Supported DBAs in implementing indexing and partitioning strategies, learning best practices for schema design to improve query efficiency.
• Created and optimized complex queries and stored procedures, gradually building expertise in PostgreSQL performance tuning techniques.
• Worked under senior consultants, actively participating in requirement discussions and ensuring smooth integration of technical changes into client systems.

Nov 2015 – Jan 2017 · 1 yr 2 mos · Bangalore Urban, Karnataka, India

• Played a key role in platform migration, ensuring seamless transition of systems with minimal downtime.
• Worked as an SQL/PLSQL Developer across multiple projects, consistently delivering high-quality code within defined timelines.
• Analyzed and optimized Oracle SQL/PLSQL queries and successfully transformed them into PostgreSQL, showcasing strong adaptability across diverse database systems.
• Collaborated with clients and stakeholders to gather and understand project requirements, ensuring smooth integration of technical solutions.