Case Study — 2024
A unified enterprise operations platform for contractor onboarding, vendor management, and invoice tracking with intelligent automation.
The Problem
Operations data scattered across 5+ disconnected tools. Contractor onboarding took 2+ weeks with 15+ manual touchpoints. Finance had zero real-time visibility of invoice status.
The Solution
A unified platform with intelligent automation across all operational workflows.
Single source of truth for all operations data with role-based access control
n8n-powered automation reducing onboarding from 2+ weeks to 3 days
Multi-level approval engine with escalation rules and real-time notifications
Live financial tracking with drill-down analytics per department
Seamless sync with accounting systems (QuickBooks, Xero) via REST APIs
Architecture
High availability across 2 AWS availability zones with automatic failover
Decoupled services for contractors, vendors, invoices, and notifications
Serverless containers with auto-scaling based on CPU/memory metrics
JWT auth, RBAC, SSL/TLS, WAF protection, and audit logging
DevOps
60%
Faster deployments
80%
Min code coverage
0
Downtime deploys
Auto
Rollback on failure
Data Model
PostgreSQL with Prisma ORM, featuring complete audit trails, soft deletes, and optimized indexes for high-performance queries.
Foreign key constraints for referential integrity
B-tree indexes on all foreign keys
GIN indexes on JSONB audit columns
Partial indexes for active records only
Complete audit trails with user tracking
users
id, email, role, department_id, created_at
contractors
id, user_id, company_name, status, compliance_status
vendors
id, name, contract_value, rating, category
invoices
id, contractor_id, vendor_id, amount, status, due_date
approvals
id, invoice_id, approver_id, level, status
audit_logs
id, user_id, action, entity_type, changes (JSONB)
Features
Contractor onboarding with digital forms and automated compliance checks
Centralized vendor profiles with performance tracking and contract management
End-to-end invoice lifecycle with multi-level approval workflows
Real-time analytics dashboard with department-wise KPIs
n8n-powered workflow automation reducing manual tasks by 80%
Seamless integration with QuickBooks and Xero accounting systems
Impact
Serving 5 departments with 80% reduction in manual work, 99.9% uptime, and API responses under 100ms.
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