QA Automation Excellence
Digital Banking Platform QA Automation
How strategic test automation transformed a fintech platform's quality assurance, reducing smoke testing time by 85% and enabling 24/7 production monitoring.
Platform:
Back-end, Web App
Industry:
FinTech
Team size:
4 people
Country:
France
Project Duration:
2 years
The year started & completed:
2024 - in progress
We implemented test automation for DECTA’s Digital Banking Platform, ensuring quality assurance for a professional financial management platform combining comprehensive banking features with integrated tax compliance tools, designed for business-critical financial operations.
About DECTA
An all-in-one financial platform built for businesses, offering full banking capabilities alongside built-in tax compliance features for critical operations.
Account Management
Secure multi-user access with flexible role-based controls.
Secure multi-user access with flexible role-based controls.
Card Operations
End-to-end lifecycle control from provisioning to termination.
End-to-end lifecycle control from provisioning to termination.
Agreements
Seamless third-party processing and integration via DectaGate.
Seamless third-party processing and integration via DectaGate.
Transactions
Real-time processing with accurate balance reconciliation.
Real-time processing with accurate balance reconciliation.
Merchants
Streamlined onboarding supported by built-in compliance workflows.
Streamlined onboarding supported by built-in compliance workflows.
What We Were Facing
Testing Time Crisis
Manual smoke testing consumed 2-3 full days per release. Full regression extended to 2-3 weeks, creating significant bottlenecks.
Backend Instability
Multiple environments suffered frequent instability. The dev environment was so unreliable that no tests could run against it.
Production Visibility Gap
A critical incident: production was down for nearly a full day before anyone noticed. No proactive detection existed.
Complex Integrations
Testing card flows required complex multi-user scenarios. Each bug fix invalidated test data, requiring complete recreation.
Strategic Implementation
01
API-First Foundation
02
E2E with Playwright
03
Production Monitoring
Tools & Technologies
Node.js
Mocha
Chai
Playwright
Jenkins
Testomat.io
Psono
Lessons for Fintech QA
Prioritize API Testing Over E2E
API tests provide fast, reliable feedback, while E2E tests complement, not replace them. API-level checks remain crucial for accounts, cards, and agreements.
API tests provide fast, reliable feedback, while E2E tests complement, not replace them. API-level checks remain crucial for accounts, cards, and agreements.
Set Up Failure Notifications Early
Don't wait for a production incident. Configure immediate notifications for test failures so the team can react before customers are impacted.
Don't wait for a production incident. Configure immediate notifications for test failures so the team can react before customers are impacted.
Invest in Production Monitoring
For financial platforms, knowing production works is non-negotiable. Daily health checks catch issues that lower environment testing might miss.
For financial platforms, knowing production works is non-negotiable. Daily health checks catch issues that lower environment testing might miss.
Choose Tools for Longevity
Evaluate framework sustainability. Growing community support ensures better long-term maintenance. This influenced our Playwright over Cypress decision.
Evaluate framework sustainability. Growing community support ensures better long-term maintenance. This influenced our Playwright over Cypress decision.
Secure Sensitive Data Properly
Use dedicated credential management rather than storing secrets in repositories. Create isolated test users that don't interact with real customer data.
Use dedicated credential management rather than storing secrets in repositories. Create isolated test users that don't interact with real customer data.