11/08/2026 updated

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Data & BI Lead Consultant

MUMBAI, India
Worldwide
MSc. IT
MUMBAI, India
Worldwide
MSc. IT

Profile attachments

Merwin DMello - Resume Oct 2026 - 2.pdf

About me

Cloud Data Engineering and Analytics Leader with 20+ years of experience building data platforms, modernizing enterprise data warehouses, and delivering database & analytics solutions for healthcare and public sector.

HTMLJavaScriptVbscriptApache AirflowAmazon Web ServicesAnalytic ApplicationsData AnalysisAutomationMicrosoft AzureBash ShellBusiness IntelligenceGoogle BigQueryC Sharp (Programming Language)Cascading Style Sheets (CSS)Cloud ComputingCOBOL (Programming Language)DatabasesInformation EngineeringData IntegrationExtract Transform Load (ETL)Data ManagementData WarehousingIBM DB2DevOpsGitHubJinja (Template Engine)jQueryPython (Programming Language)Microsoft SQL ServersMySQLWindows PowerShellMicrosoft Power BISQL Server Integration ServicesSalesforce TableauTeradata SQLBatch ScriptingZoho Office SuiteScriptingGoogle CloudGoogle Data StudioSnowflakeGitLabVba Programming LanguageLooker AnalyticsSoftware Version ControlApache BeamProgramming Languages
Cloud Data Engineering
Expertise in building data platforms, modernizing enterprise data warehouses, and delivering database & analytics solutions using Google Cloud Platform, Apache Airflow, Apache Beam, and Cloud Run Functions

Business Intelligence & Analytics
Proficiency in BI & Analytics tools including Looker, Power BI, Tableau, Longview, Excel, Looker Studio, and Zoho Analytics for creating comprehensive reporting solutions

Database & Data Warehouse Management
Advanced knowledge of databases and data warehouses including BigQuery, Teradata, SQL Server, Snowflake, IBM DB2, MySQL, and MS Access

Programming Languages
Skilled in Python, C#, Jinja Templates, JavaScript, jQuery, HTML, CSS, and Cobol for various development tasks

Scripting Technologies
Experience with Bash Scripting, PowerShell, Windows Batch, VBScript, VBA, and Apps Scripts for automation

DevOps & Version Control
Proficient in GitHub, GitLab, Cloud Build, and Cloud Repo for code management and deployment

ETL Solutions
Expertise in SSIS and DMXpress for data integration and transformation processes

Cloud Platforms
Certified in Google Cloud Platform, Microsoft Azure, and Amazon Web Services for cloud-based solutions

Experience

Professional experience10+ years
Freelancer since2026

Languages

EnglishNative speaker

Project history

Data & BI Lead Consultant

Webtize
Migrate Zoho Dashboards & Pipelines to Fabric & Power BI Solution Stack, analyzing retail store dashboards and building BI solutions using Microsoft Power BI

Lead Consultant

Atos
Enterprise-wide Data Migration Program from Teradata to BigQuery, evaluating data warehouse migrations and deploying scheduled DAGs for ingestion & transformation workflows

BI Engineer

SADA
Enabled analytics teams to adopt Looker, developed Looker solutions, and rearchitected Apache Spark pipelines to leverage Google Cloud Composer and BigQuery

Senior BI Engineer

Inovalon
Transformed legacy Apache Spark pipelines with Redshift into cloud-native workflows using AWS Step Functions, Go, and Google BigQuery

Senior Consultant

Atos Syntel
Multiple projects including Google PSO serverless workflows, Force Multiplier revenue cycle analysis, enterprise revenue cycle management reporting, cost accounting for IT systems, discrepancy reporting, ICD translation services, patient claim history datamart, and patient claim billing maintenance

Senior Software Engineer

Patni (Capgemini)
Invoice Billing System for a large US conglomerate, managing batch workflows utilizing mainframe technology stack and maintaining CICS-based online screens

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