Sajal Samarth
Tableau Developer
About
Tableau Developer with 5 years of experience in Tableau, SQL, Data Warehousing, delivering interactive dashboards and business intelligence solutions. Experienced with SAP S/4HANA, SQL Server, and Tableau Server, with expertise in SQL query optimization, data validation, dashboard development, and stakeholder collaboration to support data-driven decision-making.
Skills & Expertise (25)
Work Experience
Tableau Developer
Mingledorffs
Jul 2025 - Present
Developed and maintained interactive Tableau dashboards for sales, inventory, procurement, finance, and service operations. Worked with data originating from SAP S/4HANA, replicated into SQL Server and transformed into a Data Warehouse for reporting and analytics. Built Tableau dashboards by connecting to the SQL Server Data Warehouse, enabling business users to monitor KPIs and operational metrics. Wrote and optimized SQL queries, views, and stored procedures to support reporting requirements and improve dashboard performance. Designed interactive dashboards using calculated fields, parameters, LOD expressions, table calculations, and filters. Performed data validation between SAP S/4HANA source data, SQL Server staging tables, and the Data Warehouse to ensure reporting accuracy. Used RightData Dextrus to validate ETL pipelines, reconcile source-to-target data, and identify data quality issues. Collaborated with ETL and Data Engineering teams to troubleshoot data discrepancies and support data warehouse enhancements. Published dashboards to Tableau Server, managed data extracts, scheduled refreshes, and maintained user permissions. Gathered reporting requirements from business stakeholders and delivered scalable BI solutions aligned with business needs.
Analyst (Tableau)
Deloitte
Oct 2022 - Jun 2025
Good knowledge of Tableau Actions (Filter, Highlight, URL), Marks, Filters, Parameters, Sets, Bins, Hierarchies, Formatting, Sorting, and Grouping. Designed and developed interactive Tableau dashboards using calculations, parameters, and various visualizations including Bar, Line, Pie, Histogram, Heat Map, and Tree Map charts. Implemented dynamic date filters to analyze trends across yearly, quarterly, and monthly periods. Developed and maintained SQL queries, reports, dashboards, user guides, and training documentation. Collaborated with cross-functional teams and stakeholders to gather requirements, develop interactive dashboards, and support data-driven decision-making.
Data Analyst
Tortalabz
Jul 2021 - Oct 2022
Created interactive filters, parameters, and calculations for dashboards and worksheets in Tableau. Built and published interactive dashboards on Tableau Server. Collaborated with database team to test, clean, and standardize data to meet business requirements. Provided Tableau developer support. Performed unit testing, integration testing, and UAT. Assisted in data quality, training, and documentation efforts. Engaged with clients in requirement gathering.
Education
MTECH - Priyadarshini College of Engineering
2016 - 2018 · Afghanistan
Certifications
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Availability Details
Visa Status
Citizen
Relocation
Open to Relocation
Skills (25)
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