Fwdays Tech Talks
Fwdays Tech Talks
Fwdays Tech Talks
Taming Explosive Growth: Scaling Financial Databases
1 hour 14 minutes Posted Nov 18, 2025 at 1:31 pm.
Intro
About Wise and Dmytro's Background
– Dmytro’s journey to Chief of Financial Databases at Wise
Importance of Data Integrity in Financial Systems
Scaling challenges at Wise
– Exponential data growth at Wise (1B records/month)
– Database performance and key metrics
– How do you actually scale a relational database?
– When a database becomes your bottleneck?
The Performance Optimization Pyramid Explained
Starting with Basic Database Setup and Configuration
Cloud instances vs managed databases (EC2 vs AWS RDS)
Effective Indexing Strategies and Common Pitfalls
Application-Level Fixes for Better Performance
Query Optimization Techniques and Tools
Segregating Workloads for Efficiency
Data Modularization and Domain Separation
Implementing Table Partitioning
Data Archival Strategies
Horizontal sharding: the “top league” of scaling
Thoughts on Distributed and Serverless Databases
Summary of Scaling Achievements and Key Lessons
Final Advice on Scaling Databases
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Show notes
Welcome to the third episode of Architecture Deep Dive with Oleksii Petrov!
In today’s podcast, our guest — Dmytro Hnatiuk, Principal Software Engineer, Wise.
In this episode, we dive deep into the challenges of scaling financial databases, handling explosive growth, and building resilient systems that can withstand massive transaction volumes. Dmytro shares insights from nearly a decade of experience working on high-load financial infrastructure, covering everything from indexing and query optimization to data partitioning, domain separation, and when (and when not) to consider distributed databases.
Link to Dmytro’s presentation: "Taming Explosive Growth: Building Resilience in a Hyper-Scaled Financial Platform" 🔗 https://fwdays.com/en/event/highload-fwdays-2025/review/taming-explosive-growth-building-resilience-in-a-hyper-scaled-financial-platform
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