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Azure Lake House Data Platform for Retail Banking

Unifying 10+ banking sources for 1,000+ business users

Built a centralised Lake House data platform on Azure for a leading commercial bank — 15 Azure Data Factory & Synapse pipelines integrating 10+ sources and processing 10GB daily to serve 1,000+ users with reliable, governed data.

PythonPySparkAzureAzure Data FactoryAzure SynapseAzure Data LakeARM TemplatesSQLPL-SQL
Problem Statement

Fragmented data sources, inefficient processing and limited scalability were holding a major bank back. Extracting and transforming data from core-banking, CRM, transaction systems and external APIs was complex and slow — and with no centralised platform, 1,000+ users could not rely on a single source of truth.

  • Fragmented data across core-banking, CRM, transaction systems and external APIs.
  • Inefficient processing and limited scalability hindered decision-making.
  • No centralised platform to serve 1,000+ business users reliably.
Headline Outcomes
10+unified platform

Data sources integrated

10GB15 pipelines

Daily data processed

90%+cleansed & enriched

Data coverage

The Solution

A best-practice Lake House on Microsoft Azure — built on Azure Data Lake and Synapse, with 15 Azure Data Factory pipelines integrating diverse banking sources and PySpark cleansing, validating and enriching over 90% of the data for trustworthy, enterprise-wide analytics.

Lake House architecture on Azure Data Lake and Azure Synapse following best practices.

15 Azure Data Factory pipelines integrate 10+ sources, processing 10GB of data daily.

Python and PySpark cleanse, validate and enrich 90%+ of the data for reliability.

Deployed and governed with Azure DevOps, ARM Templates, VNets, IAM and monitoring.

System Architecture

How the data flows

01

10+ Sources

Core-banking · CRM · APIs

02

Azure Data Factory

15 pipelines

03

Lake House

Data Lake + Synapse

04

PySpark Quality

90%+ data enriched

05

1,000+ Users

Governed analytics

Result 01

Gave 1,000+ users a reliable, centralised single source of truth.

Result 02

Improved processing efficiency and accuracy across the bank.

Result 03

Delivered a scalable, governed platform built for future growth.

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