Harshita Tiwari

Cloud Data Engineer with 5+ years of experience designing scalable ETL pipelines, modernizing Enterprise Data Warehouses, and building reliable data platforms using GCP, BigQuery, Dataflow, and Teradata to enable high-quality, business-driven analytics.

Software Development Senior Analyst at Accenture (2024-08 – Present)

Client - Best Buy

• Designed and implemented ETL pipelines using BigQuery, Cloud Functions, and Cloud Storage for scalable data ingestion, transformation, and loading.
• Utilized Pub/Sub and Dataflow to support both real-time streaming and large-scale batch processing.
• Contributed to EDW modernization by building semantic layers and reusable data assets for enterprise reporting.
• Built end-to-end data quality and integrity processes, including automated quality checks (completeness, timeliness, accuracy, uniqueness), data profiling, validation, and cleansing to ensure reliable datasets.
• Collaborated with business stakeholders to gather requirements and translate them into scalable, cloud-based data solutions.

Technology Analyst at Infosys Ltd. (2023-10 – 2024-08)

Client - ANZ Bank

• Proficiently managed the integration of new data sources into the data warehouse while optimizing and enhancing existing source system pipelines to meet evolving business needs.
• Enhanced and re-engineered existing Teradata database objects, improving data organization and accessibility by ~30%

Senior Systems Engineer at Infosys Ltd. (2022-07 – 2023-09)

Client - ANZ Bank

• Utilized BMC Control-M to create, schedule, and test jobs, effectively troubleshooting issues and ensuring smooth end-to-end execution.
• Processed and transformed large volumes of raw data by implementing optimized views and temporary tables streamlining script performance.
• Managed the ingestion of various source system files into target tables using DataStage, identifying and resolving errors to ensure accurate and reliable data transfer.

Systems Engineer at Infosys Ltd. (2021-01 – 2022-06)

Client - ANZ Bank

• Worked on the Enterprise Data Warehouse (EDW) and contributed to the design and enhancement of dimensional models to support analytical and reporting needs.
• Created comprehensive test cases to validate source file extraction and reporting dashboard functionality, improving data accuracy and enabling better data-driven decision-making.

Master of Computer Applications in Computer Applications – Lakshmi Narain College of Technology (2020-05)

Bachelor of Computer Applications in Computer Applications – IGNTU (2018-05)