Margi Buch
Authorised Officer
Pune,MH
Summary
Authorised Officer | BI Lead leading enterprise reporting modernization across Cognos, Power BI, SQL and analytics delivery for financial control use cases. Designs scalable semantic models and reporting solutions with Python, PySpark, Databricks, and Airflow, with a focus on performance, governance, release readiness, and stakeholder alignment. Mentors BI developers and drives controlled delivery through Git/GitLab and CI/CD practices.
Overview
2
2
Certifications
10
10
years of professional experience
Work History
Authorised Officer | BI Lead
UBS
04.2025 - Current
- Lead enterprise BI development and reporting initiatives across Cognos, Power BI and related analytics platforms, including Cognos-to-Power BI modernization.
- Developed and optimized reporting solutions for product control and financial analytics, translating business requirements into scalable semantic models and actionable analytical outputs.
- Current project exposure includes Python, PySpark, Databricks and Airflow for data processing, pipeline orchestration and analytics engineering workflows.
- Designed and supported data transformation patterns using Spark/DataFrames and incremental processing for layered lakehouse concepts, emphasizing reliability, performance, and maintainability.
- Managed end-to-end release cycles, coordinated QA, ensured governance, and prepared production readiness for enterprise reporting solutions.
- Use Git/GitLab-based version control and CI/CD processes to support controlled delivery and repeatable releases.
- Work with event/notification-driven processing and Kafka-based messaging concepts to trigger downstream calculations and data workflows when source feeds arrive.
- Work with Python, PySpark, Databricks and Airflow to build and support data processing, transformation and orchestration workflows for financial analytics use cases
- Design incremental data-processing patterns for append-oriented datasets, including version-aware processing, validation and downstream analytical consumption.
Exempt Non Officer
UBS Group (Credit Suisse)
01.2022 - 03.2025
- Built enterprise Power BI semantic models and high-performance datasets for financial reporting and analytics.
- Developed DAX measures and optimization frameworks, enhancing analytical capacity of large datasets.
- Executed OBIEE reporting and RPD modeling, ensuring system reliability and performance.
- Used Git and Jira for Agile delivery, sprint planning and version control.
- Mentored junior BI developers in modeling and BI best practices, fostering skill development and knowledge sharing.
Deputy Manager
VOIS (Vodafone)
09.2019 - 01.2022
- Delivered enterprise BI solutions using QlikView and Qlik Sense across reporting and analytics use cases.
- Conducted audits and PoCs, implementing data visualization standards/templates to enhance consistency within Qlik Centre of Excellence.
- Optimized data models, creating reusable BI standards and templates to streamline reporting processes.
BI Engineer
SG Analytics
05.2019 - 09.2019
- Developed data models to enhance reporting accuracy and streamline business insights.
- Collaborated with client teams to develop tailored analytics solutions addressing specific business needs.
- Created interactive dashboards and reports using QlikSense to enhance reporting processes and improve data accessibility.
Senior Systems Engineer
Infosys Limited
08.2016 - 05.2019
- Acted as SPOC for Qlik dashboards supporting critical functions of major US bank.
- Designed dashboards for Private Wealth Management, Risk and Finance to enhance reporting accuracy and accessibility.
Education
Bachelor of Technology - Computer Engineering
Dharmsinh Desai University
GujaratSkills
Python
PySpark
Databricks
Airflow
SQL
BI Tools (Qlik, PowerBI, OBIEE, Cognos)
Lakehouse architecture
Dimensional modeling
Semantic modeling
Data quality management
Performance optimization
Release management
BI governance
Stakeholder management
QA coordination
Agile Scrum
Certification
Microsoft Certified: Power BI Data Analyst (PL-300)
Timeline
Authorised Officer | BI Lead
UBS
04.2025 - Current
Exempt Non Officer
UBS Group (Credit Suisse)
01.2022 - 03.2025
Deputy Manager
VOIS (Vodafone)
09.2019 - 01.2022
BI Engineer
SG Analytics
05.2019 - 09.2019
Senior Systems Engineer
Infosys Limited
08.2016 - 05.2019
Bachelor of Technology - Computer Engineering
Dharmsinh Desai University