Data Platform Modernization & warehouse migration

for a Digital Media Company

#Data Engineering
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Duration

The project was implemented over
12
months

Client

Digital Media Company
US
based

Project Overview

Digital media company providing content and services to millions of subscribers. Stellans delivered data platform re-architecture, warehouse migration, and customer 360 platform, through team extension and strategic consulting.

Challenge

Legacy infrastructure couldn’t scale with business growth. Complex cloud service mix created operational overhead and technical debt. Manual ETL processes limited agility. No unified customer view hindered personalization efforts. High operational costs from inefficient tooling and resource allocation.

Provided Services

Data Engineering
Data Architecture
BI Engineering
Platform Migration & Integration
Customer Data Platform Development

Tools and Technologies

tools
tools
tools
tools
tools
tools
tools

Solution

1

Data Platform Re-Architecture

Implemented layered approach with modern tooling stack. Introduced CDC, transformation, and CI/CD capabilities. Migrated to managed services including Airbyte, Fivetran, dbt, AWS Glue, and AWS MWAA. Achieved material reduction in cloud service complexity and operational overhead.

2

Data Warehouse Migration

Complete Redshift to Snowflake migration ensuring business continuity. Optimized query performance and storage costs. Modernized data structures and access patterns. Implemented industry-standard transformation tooling with business logic isolation from infrastructure.

3

Customer Personalization Engine

Developed Customer 360 view (CDP). Built custom Airbyte connectors for seamless data integration. Enriched audience management platforms (Segment) and content distribution systems (Sailthru) with zero/first/third party customer data to support personalization initiatives.

Key Deliverables

Modern Data Architecture:

Replaced legacy infrastructure with Snowflake, dbt, and Airbyte. Eliminated technical debt and reduced maintenance overhead by 60%.

Data Warehouse Migration:

Migrated entire ecosystem to Snowflake with zero downtime. Cut data storage costs while improving query performance 3x.

Custom Data Engineering Platform:

Built near real-time pipelines processing millions of events daily. Created custom Airbyte connectors for seamless third-party integrations.

Customer Personalization Engine:

Delivered Customer 360 platform powering personalized content for millions of users. Integrated Segment and Sailthru for real-time audience targeting.

Self-Service Analytics:

Implemented dbt-powered analytics letting business teams access data without engineering support. Reduced data request turnaround from weeks to hours.

Operational Excellence:

Established CI/CD pipelines and monitoring. Transformed 4-person team into 1-person autonomous operation.

Results

Team Efficiency

1
transformed 4-person data ops team into autonomous 1-person operation through automation and modern tooling.

Query Performance

3
x
faster - Improved query execution speed by 300% through Snowflake optimization and data architecture redesign.

Operational Overhead

60
%
reduction - eliminated technical debt and reduced platform maintenance overhead through modern architecture.

Cost Reduction

30
%
reduction achieved in both CAPEX and OPEX through Snowflake migration and modern tooling adoption.

TESTIMONIALS

Ethan Grundleger

Ethan Grundleger

Director Business Strategy & Intelligence

Ethan Grundleger company

"It’s impressive how dedicated the employees are."

Verified Verified review
Matt Miritello

Matt Miritello

VP of Engineering

Matt Miritello company

"Their depth of knowledge made all the difference."

Verified Verified review
Slava Kononenko

Slava Kononenko

CMO/CPO

Slava Kononenko company

"They accomplished everything we wanted to achieve."

Verified Verified review
Inna Igontova

Inna Igontova

CMO / Co-founder

Inna Igontova company

"Stellans’ expertise has really helped us sharpen our marketing and product strategies."

Verified Verified review
Jeremiah Zinn

Jeremiah Zinn

Chief Product Officer

Jeremiah Zinn company

"Their impact was transformative and enduring."

Verified Verified review
Roman Degtyur

Roman Degtyur

Chief Information Officer

Roman Degtyur company

"They didn’t just solve problems, they redefined what excellence looks like in data operations."

Verified Verified review
Konstantin Luchyna

Konstantin Luchyna

CMO

Konstantin Luchyna company

"Stellans quickly became our go-to data partner. Smart, fast, and easy to work with."

Verified Verified review

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