Challenge
Legacy Java services couldn't scale with new regions, audit requirements, or the throughput needed for month-end close.
Solution
We rebuilt core modules on Spring Boot with clear domain boundaries, PostgreSQL-backed audit logs, and observability baked into every service.
Technology Stack
- Java
- Spring Boot
- PostgreSQL
- Kafka
- Redis
- Docker
- AWS
Architecture Diagram
Clients
Web PortalAdmin ConsolePartner API
Services
Ledger ServiceAudit ServiceAuth Gateway
Integration
ERP ConnectorsWebhook HubBatch Jobs
Data
PostgreSQLRedisObject Storage
Results
- Month-end processing time reduced by 45%
- Passed internal compliance review on first audit cycle
- Supported 3 new regions without downtime migration
Client Feedback
“The new Java platform gave us stability we never had on the old stack. Our finance team trusts the numbers again.”
Related Projects
More work in similar domains.
Enterprise Systems
Enterprise CRM
Custom CRM for a global sales organization with 2,000+ users.
- Enterprise
- Salesforce
- Integration
API Development
Payment Gateway API
REST and GraphQL APIs for payment processing and reconciliation.
- API
- GraphQL
- Node.js
DevOps Projects
Cloud Pipeline
CI/CD and infrastructure automation for a fintech platform.
- DevOps
- Kubernetes
- Terraform