Business Analytics ETL Pipeline Modernization From legacy Airflow to serverless, event-driven analytics
Data Engineering
Cloud Architecture
DevOps
Operational Tooling
AWS Serverless
Case Study Logo
Background
Project Overview

StarzHD set out to modernize a business analytics ETL platform that had become slow, costly, and operationally complex at scale. The existing architecture relied on Apache Airflow and Spark running on AWS EC2 instances, creating high infrastructure costs and limited flexibility. CyberHULL partnered with StarzHD to redesign the ETL ecosystem into a serverless, event-driven architecture — improving execution speed, lowering costs, and introducing strong governance and operational tooling.

Challenges

The key obstacles we needed to overcome to transform the digital experience.

High Operational Costs

Long-running EC2-based Spark workloads created significant infrastructure expenses.

Slow Pipeline Execution

Limited scalability and slow processing impacted analytics freshness.

Complex DAG Management

Increasing complexity managing large Airflow DAGs.

Migration Friction

Operational friction when migrating toward AWS Step Functions and Lambdas.

Governance Gaps

Lack of standardized deployment, governance, and visibility across pipelines.

Solutions
Our strategic approach to solving each challenge with precision and expertise.
Serverless ETL Architecture
Rebuilt pipelines using AWS Step Functions and Lambda
Eliminated always-on infrastructure
Enabled fine-grained, event-driven execution
Pipeline-Level Isolation & Governance
Each ETL pipeline in its own Git repository
Clear ownership and version control
Independent deployment and rollback
Reduced blast radius across analytics workloads
Infrastructure-as-Code Automation
AWS CDK for infrastructure provisioning
Automated pipeline deployment
Environment consistency across stages
Quality & Release Discipline
Mandatory code reviews
QA validation before release
Consistent release workflows across pipelines
Operational Tooling
Slack Bot for manual pipeline execution via chat commands
Internal Admin Web UI for centralized visibility
Pipeline status, configuration, and execution history monitoring
Results
Infrastructure Costs
Significantly reduced
Pipeline Execution
Faster & Event-Driven
Operational Complexity
Simplified
Governance & Reliability
Standardized
Business Impact
StarzHD's ETL modernization demonstrates how CyberHULL transforms legacy analytics platforms into scalable, cost-efficient, and operationally elegant systems.
By combining serverless architecture, strong governance, and practical tooling, we delivered a future-proof analytics foundation that scales with business needs — without scaling operational complexity.
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