Quick Credit — Backend API
Backend services for a digital lending platform.
Role: Backend Engineer · Year: 2019
Highlights
- Designed REST APIs for loan and user management
- Implemented validation and testing for financial workflows
- Containerized services for local and production environments
Case study
Problem
The platform required secure and reliable backend services to manage loans and user data.
Constraints
- Data integrity for financial transactions
- Simple but testable architecture
- Limited infrastructure resources
Approach
- Designed RESTful endpoints with clear domain separation
- Added automated tests using Mocha and Chai
- Used Docker to standardize development environments
Results
- Stable backend services with predictable behavior
- Improved confidence through automated testing
- Easier deployment and onboarding
Learnings
- Testing is essential in financial systems
- Clear API contracts simplify frontend integration