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CASE STUDY

FinTech Scale-Up: 10x Transaction Volume

Scaled payment processing infrastructure to handle massive transaction volume while achieving enterprise security compliance.

Industry: FinTech
Region: Global
Services: Cloud, DevOps
Duration: 9 months
BUSINESS IMPACT
10x
↗
Transaction Growth
<100ms
↗
P95 Latency
Enterprise
↗
Uptime
Success
Verified Outcome

Overview

A leading FinTech company, with millions of daily transactions, faced challenges with scalability, system reliability, and high infrastructure costs. Their legacy infrastructure limited innovation speed and operational efficiency.

We designed and implemented a secure, scalable, and cost-optimized cloud architecture on AWS/Cloud Platform, enabling them to focus on innovation and customer experience.

The Challenge

  • -A payment processing platform faced significant latency during payment reconciliation cycles, resulting in transactional timing failures and compliance issues.

Our Solution

  • +We restructured their transactional ledger using database partition logic and optimized gRPC microservices to process high-velocity requests.

The Outcome

  • ★10x transaction growth achieved
  • ★<100ms p95 latency achieved
  • ★Enterprise uptime achieved
  • ★Enhanced security and monitoring metrics

Technology Stack

Node.js
PostgreSQL
Multi-Cloud
Kubernetes
gRPC
Kafka

Solution Architecture

Hover over the systems node modules to trace request processing connections.

VPC CLOUD NETWORKPublic SubnetPrivate SubnetData LayerUSERSROUTE 53CDN GATEALBNAT GateBastionEKS CLUSTERRDS (Multi-AZ)S3 (Backup)CLOUDWATCH & DATADOG REAL-TIME TELEMETRY SYSTEMS MONITORING
“

"By restructuring our transactional database using partitioning and implementing highly optimized gRPC services, Privia enabled our platform to sustain a 10x surge in transaction volume."

MA

Mohit Acharya

CTO

Key Results

  • Infrastructure cost reduced by 40% through right-sizing.
  • Achieved <100ms system availability across multi-AZ clusters.
  • Deployment release schedules reduced from hours to minutes.
  • Improved overall telemetry visibility and incident response cycles by 60%.
  • Strengthened corporate compliance perimeters with industry best practices.

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