Gayatri Jammi
Toronto,Canada
Summary
Analytics and Data Science Manager with 2.5 + years of managing data teams and 14+ years of overall experience in Design, Development, Data Analytics, Maintenance, and Release phases of Business Intelligence / Data warehousing applications. Extensive experience in data analytics, data engineering and data science while collaborating with Product, Engineering and Business stake holders to identify & solve user pain points. Expertise knowledge in Retail, Insurance and Supply Chain Domain. Experience in Google Cloud Platform/ Hadoop / Big Data development /Spark / Solution Design in data lake architecture.
Overview
17
17
years of professional experience
Work History
Senior Technical Project Manager in Analytics and Data Sciences
Malvi Technologies
12.2021 - Current
- Leading a team of 8 analysts by developing and quantitatively analyzing product metrics and usage trends to measure product success all the reports/models that got migrated from onprem to Google Cloud Platform
- Developing analytics team’s charter & roadmap to align with Product initiatives & achieve OKRs while managing team bandwidth looking after prioritization & drive data initiatives
- Building cross-functional relationships with Business, Engineering Teams and Product Teams to understand the data needs and identify the key areas of product improvement
- Defining success and designing metrics for enabling data driven decisions
- Understanding and translating Legacy system design into new technology procured by stake holders
- Responsibilities include Scoping, Resourcing, and Estimation, Capacity tracking, Data management, Communication and people aspect of the team
- Proficient in process and system enhancement resulting in efficient systems utilization, productivity & process improvement and organization goals’ achievement
- Responsibilities include developing and implementing policies for the use of cloud services, managing requests for new technology, establishing a secure cloud environment, and ensuring appropriate availability of services, also known as uptime
- Responsible for Ingesting data from on-prem services to Google cloud platform using batch ingestion framework and Data Collection framework
- Collaborating with engineering and development teams to evaluate and identify optimal cloud solutions
- Modifying and improving existing systems
- Educating teams on the implementation of new cloud technologies and initiatives
- Designing, developing, and deploying modular cloud-based systems
- Developing and maintaining cloud solutions in accordance with best practices
- Ensuring efficient functioning of data storage and processing functions in accordance with company security policies and best practices in cloud security
- Responsible to deploy and run application software on virtual machines
- Identifying, analyzing, and resolving infrastructure vulnerabilities and application deployment issues
- Regularly reviewing existing systems and making recommendations for improvements
- Interacting with clients, providing cloud support, and making recommendations based on client needs
- Actively participate in addressing non-functional requirements such as performance, security, scalability, continuous integration, migration and compatibility
Lead Data Analyst
Target Corporation India Pvt. Ltd
08.2020 - 11.2021
- Deriving key metrics from third party Info nexus Team's input and built business critical metrics and visualizations for stake holders to take better decisions
- As a Lead Data Analyst, assisted development team to build certified datasets, through which business critical reports are built upon
- Collaborate with business stakeholders to understand the new data elements and identify required mapping keys to validate with internal repository
- As a Lead Data Analyst, Understood and translated Legacy system design into new technology procured by stake holders
- Architect and proposed multiple Technical Designs to Middle Mile Fill Rate Team Technology leads and gain agreement
- Responsible for creating the effort estimation, Source to Target mapping, interface and design documents
- Leading the complete project from the requirement analysis phase till production implementation Handling feasibility study, solution the best approach considering the constraints and guiding team members during implementation of data pipelines
- As a Lead Data Analyst, Regular Discussions with client technology Leads to understand legacy state and confirm new design aligns to their standards and expectations
- Coach onsite team constantly so that the build aligns to client expectation and toolkit
- Collaborate with Business Team to understand their need and get solutions for issues faced by onsite team
- Provide technical solutions for few moderately complex problems faced by team.
Sr. BI Engineer
Target Corporation Pvt. Ltd
02.2011 - 08.2020
- Developed Big Data applications using Hadoop, Scala, Hive, Oozie and other big data technologies
- I have led the team and provided the technical direction to deliver the project successfully
- Mentor and guide team members on technology front and design
- Provide consultation on technical issues or any domain related questions
- Enhanced and supported Target's Enterprise Data Warehouse in Teradata
- Enhanced and supported Target's MicroStrategy based reporting solution MerchIQ
- Build End to End solution where the ETL DataStage data pipeline, Teradata foundation table as well as the MicroStrategy metrics was built by me, giving me a complete understanding of data flows and design needs
- Developed the Pricing Denormalized Dataset in Target's Hadoop ecosystem - bigRED2, replacing multiple normalized datasets in Teradata
- Designed and mapped the Pricing Datasets and attributes in bigRED2 to numerous normalized tables in Teradata
- Designed CICD process for development in bigRED2 in Jenkins, with automated deployments to edge node and data node and was certified at level 3
- Goto person on the team for any Pricing Domain related questions and technical challenges
- Added many key features into the dataset and brought in many key metrics to aid key decision making
- Picked up Scala Spark quickly which key to the performance of data processing
- Designed datasets and provided recommendations to other datasets to partition and bucket on right attributes keeping in mind the data and consumption patterns of data
- Built a CI/CD pipeline in the Target's Internally built tool Vela and explored and evaluated many features of it and currently serving as a go to guy for Data Engineering
- Utilized the Target Inhouse tools – RedEx, DataStream, Grassroots and Greenfields within the projects to deliver the data needs in various formats
- Championed certification of datasets across Merch space
- Got all critical datasets of Pricing team certified and mentored teams across merch to get their datasets certified.
Associate Consultant
Oracle Financial Software Services ltd.
08.2006 - 10.2010
- Lead and collaborate with multi-functional technical and business teams, across multiple products, to develop integrated enterprise solutions
- Effective Data production for Data science teams with a specific focus on aggregated analytical datasets
- Having good skills in automation testing, manual testing & knowledge of QA concepts & methodologies
- Extended work experience in Agile technology, developing and executing software test cases
- Experience in developing, executing Test cases and reporting Defects using Version One, Jira, Quality CenterJ, Oracle Bug DB
- Experience on Functional, System, Regression, User Acceptance Testing and Integration Testing.
Education
DUAL degree - Master of Sciences: Physics
Birla Institute of Technology and Sciences
12.2006
Bachelor of Engineering: Civil -
BITS PILANI, INDIA
12.2006
Skills
- Functional: Data Engineering, Data Analytics, Data Visualization, Experimentation, Statistics, Data Storytelling and Machine Learning (Big Query Analysis)
- Databases: GCP Bigquery, Hive, Teradata, SQL server Oracle, Db2
- Tools: Tableau, Power BI, Green Field (Target Proprietary tool), DOMO, Airflow, Git, Vertex AI
- Languages: - SQL, Python, Scala, Shell scripting
Timeline
Senior Technical Project Manager in Analytics and Data Sciences
Malvi Technologies
12.2021 - Current
Lead Data Analyst
Target Corporation India Pvt. Ltd
08.2020 - 11.2021
Sr. BI Engineer
Target Corporation Pvt. Ltd
02.2011 - 08.2020
Associate Consultant
Oracle Financial Software Services ltd.
08.2006 - 10.2010
DUAL degree - Master of Sciences: Physics
Birla Institute of Technology and Sciences
Bachelor of Engineering: Civil -
BITS PILANI, INDIA
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