Sachin Sadashiv
Verified Expert in Engineering
Data Analyst and Developer
Bengaluru, India
Toptal member since July 9, 2026
Sachin is a senior data analyst with 8 years of experience in data consolidation and governance for clients such as PEI, KPMG, and IQVIA. His primary expertise is in Snowflake, Power BI, and Alteryx for financial services and manufacturing, where he thrives in structured, standards-driven environments. Sachin reduced data-quality incidents by 35% while at PEI.
Portfolio
Experience
- SQL - 8 years
- Data Cleansing - 6 years
- Data Mapping - 5 years
- Microsoft Power BI - 4 years
- Alteryx - 4 years
- Governance - 3 years
- Data Profiling - 3 years
- SQL Server Integration Services (SSIS) - 3 years
Preferred Environment
Snowflake, Azure, Data Build Tool (dbt), Alteryx, Tableau
The most amazing...
...data consolidation project I've led unified 10+ million daily records into a single source of truth, reducing report errors by 65%.
Work Experience
Senior Data Analyst
PEI
- Consolidated data from disparate sources into a unified Snowflake repository serving as a single source of truth, building governance frameworks and metadata documentation that ensured data integrity and accountability across 4+ enterprise teams.
- Designed data mapping rules, standardized metric definitions, and validation frameworks, bridging business and technical teams to align on definitions and reduce data-quality incidents by 35%.
- Built interactive Power BI dashboards, translating consolidated data into actionable insights, operating within clear standards and accountability structures that reduced report errors by 65%.
- Collaborated with leadership to define KPIs and governed reporting structures within a structured, standards-driven environment, cutting ad-hoc requests by 40%.
Consultant
KPMG
- Consolidated and validated data from multiple systems for a $5 trillion assets under management (AUM) financial services client, building SQL and Alteryx mapping and validation frameworks that reduced data inconsistencies by 30%.
- Resolved logical conflicts between disparate data sources, formulating standardized business rules for accurate cross-functional reporting.
- Built KPI dashboards and reporting structures for a US apparel brand, translating consolidated P&L data into insights that grew revenue by 12%.
- Performed data profiling and cleansing to untangle messy inventory and demand data for a US manufacturer, cutting excess stock by 25%.
- Explained complex data architecture and governance frameworks to non-technical business stakeholders across EMEA, LATAM, APAC, and North America, bridging the gap between data teams and business functions.
Software Developer
IQVIA
- Built Sales Integrator, an end-to-end data consolidation solution using SQL and SSIS, to extract and unify data from 50+ disparate cloud, government, and vendor sources into a centralized repository, eliminating 80% of manual processing.
- Designed complex data mapping and transformation logic to standardize definitions across a 200+ million row dataset, improving pipeline performance by 50%.
- Developed real-time Power BI dashboards translating consolidated data into visual insights for a Swiss pharma client across 5 global markets, increasing decision-making speed by 40%.
- Authored data governance documentation, metadata standards, and lineage specifications adopted across EMEA, APAC, and LATAM teams within a structured, accountable delivery model, reducing post-deployment support by 50%.
Experience
Data Quality Framework for Financial Services Client
Sales Dashboard for an Apparel Brand
Education
Master's Degree in Business Administration (MBA)
Masters' Union School of Business - Gurugram, India
Bachelor's Degree in Electronics and Communications Engineering
Ramaiah Institute of Technology - Bangalore, India
Certifications
Entrepreneurial Mindset
Cambridge
Azure AZ-900
Microsoft
Power BI PL-300
Microsoft
Alteryx Designer Advanced
Alteryx
SnowPro Core
Snowflake
Skills
Tools
Microsoft Power BI, Tableau
Languages
SQL, Snowflake, Python
Platforms
Alteryx, Azure, Databricks, AWS IoT
Storage
SQL Server Integration Services (SSIS)
Other
Data Mapping, Data Profiling, Data Cleansing, Communication, Technical Requirements, Governance, Entrepreneurship, Consulting, Product Development, Data Modeling, Data Governance, Data Build Tool (dbt), Marketing Mix
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