Bawan shankar

Bawan shankar

Data Analyst | BI Developer | Data Visualization Specialist
Sri Lanka
Sinhala (Sri Lankan), Tamil, Hindi, English

نبذة عني

Dynamic BI Developer with over three years of experience, specializing in creating impactful data
visualizations and end-to-end BI solutions. Currently managing the entire Reporting and BI function
at Growth Prof, direct…

الخبرة

Business Intelligence & Reporting - Consultant

Growth Prof
Jan 2024 - حتى الآن · 2 سنوات 6 أشهر

Solely responsible for the complete BI and reporting ecosystem, managing end-to-end processes from data extraction to visualization under the direct supervision of the Founder/Director.
Developed, designed, and deployed interactive Tableau and Power BI dashboards for over 25 business users.
Utilized complex SQL queries and data models to support advanced reporting needs.
Integrated data from Azure SQL.
Built data transformation workflows with Power Query.
Optimized existing Azure Data Factory pipelines to support high-quality, reliable data delivery for analysis and reporting.
Managed publishing and scheduled refreshes on Tableau Server and Power BI Service.
Ensured real-time data availability and optimized performance.
Maintained secure access and managed data source extracts on both development and QA environments.
Provided end-to-end production support for data, workbook, and dashboard related issues.
Troubleshot data load and transformation errors.
Performed root cause analysis to maintain a stable reporting environment.
Enhanced data visualization with LOD Expressions, data blending, and calculated fields in Tableau.
Optimized report performance and user engagement.
Documented reporting solutions and data workflows, creating clear and accessible guides for future reference.
Conducted rigorous unit tests to ensure data accuracy and reliability across all reporting outputs.
Led training sessions on Business Intelligence and data visualization techniques to empower team members and promote a data-driven culture within the organization.

Business Intelligence & Reporting - Consultant

Growth Prof
Jan 2024 - حتى الآن · 2 سنوات 6 أشهر

Comprehensive BI and Data Management: Solely responsible for the complete BI and reporting ecosystem, managing end-to-end processes from data extraction to visualization under the direct supervision of the Founder/Director.

Data Analyst - BI Developer

MUVE Colombo
Jan 2023 - Jan 2024 · 1 سنة

Developed and maintained a suite of Tableau and Power BI dashboards for various departments.
Incorporated advanced features and interactive visualizations to provide in-depth business insights.
Utilized advanced Tableau and Power BI features like parameters, calculated fields, RLS, and table calculations to create dynamic and interactive dashboards.
Conducted extensive user training and workshops on Tableau and Power BI functionality and data visualization best practices.
Maintained and scheduled data refreshes on Tableau Server and Power BI Server.
Provided ongoing support for data extract issues.
Ensured consistent data availability and tracking of the data extract schedules.
Utilized AWS S3, Glue, and Athena for efficient data management and visualization.
Enabled real-time reporting on complex data for strategic decision-making.
Introduced UI/UX concepts to Power BI dashboards and Tableau workbooks, including dark mode and light mode, curated color palettes, icons, and themes.
Collaborated with stakeholders to understand their data needs and developed solutions aligned with organizational objectives.
Conducted data validation checks and resolved data discrepancies.
Maintained data integrity and reliability across all reports and dashboards.

Data Analyst - BI Developer

MUVE Colombo
Jan 2023 - Jan 2024 · 1 سنة

End-to-End Dashboard and Reporting Development: Developed and maintained a suite of incorporating complex Tableau and Power BI dashboards for various departments, advanced features & interactive visualizations to provide in-depth business insights.

Junior Data Analyst - Freelancer

MUVE Colombo
Jan 2022 - Jan 2023 · 1 سنة

Collected, processed, and analyzed lead volume data.
Generated weekly and monthly reports to monitor conversions and identify trends.
Supported data-driven decision-making in marketing and sales.
Developed operational dashboards in Tableau.
Monitored key metrics and provided actionable insights for leadership to improve KPIs.
Provided comprehensive reports that guided management in evaluating team effectiveness and identifying improvement areas.
Assisted in data extraction, cleaning, and modeling using relationship cardinality, unions, joins, and MySQL.
Transformed raw data into structured insights and ensured data accuracy for reliable reporting.
Collaborated with functional managers to provide targeted data insights for specific needs.
Helped departments leverage data to meet operational objectives.

Junior Data Analyst - Freelancer

MUVE Colombo
Jan 2022 - Jan 2023 · 1 سنة

Data Extraction and Analysis for Lead Management: Collected, processed, and analyzed lead volume data, generating weekly and monthly reports to monitor conversions and identify trends.

Data processing Associate

Oodakan Ltd
Jan 2020 - Jan 2022 · 2 سنوات

Assisted in the development and publication of Business Intelligence dashboards.
Supported data validation and testing to maintain high-quality reporting standards.
Assisted with data profiling and transformation tasks to support accurate reporting.
Worked with senior analysts to model and prepare data from diverse sources.
Regularly communicated insights from data analysis to both technical and non-technical stakeholders.
Improved accessibility and usability of data-driven insights across the organization.

Data processing Associate

Oodakan Ltd
Jan 2020 - Jan 2022 · 2 سنوات

Assisted in the development and publication of Business Intelligence dashboards, supporting data validation and testing to maintain high-quality reporting standards.

المهارات

الاستخبارات التجارية نمذجة البيانات باور بي آي تابلو تحليل البيانات والتقارير تحليلات البيانات SQL ETL Performance Optimization Power Query Azure Data Factory Tableau Server Power BI Service LOD Expressions Data Blending Calculated Fields Unit Testing Data Visualization AWS S3 AWS Glue Athena Parameters RLS Tableau Desktop Power BI Desktop MySQL Cardinality Joins Unions Data Profiling Data Validation Python Pandas NumPy Advanced Excel DAX M Language Scheduled Refresh Tenant Management Workspace Management Extract Management GitHub JIRA UAT QA Business Requirement Gathering Communication Collaboration Training Mentoring
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