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Appysa Technologies
Enterprise Software Engineering · Appysa Technologies

Custom ERP, CRM, B2B portals & enterprise digital transformation

Modernize legacy IT infrastructure and automate complex enterprise workflows. We build custom ERP systems, CRM platforms, supply chain managers, and B2B vendor portals engineered for scale and security.

Java / Spring BootNode.jsPythonReactPostgreSQLDockerKubernetesAWS Enterprise
100%

Code Ownership

Custom

Architecture

24/7 SLA

Support & Maintenance

Enterprise ERP & CRM Architecture
Multi-Tenant
ROLE-BASED ACCESS (RBAC)SSO & OAuth 2.0 Active
API INTEGRATIONSSAP / Oracle / Salesforce
High-Concurrency Database Cluster
99.99% Uptime
Modular MicroservicesFull Audit Trail Logs
What we do

Enterprise Solutions engagements we take on

01

Custom ERP & CRM Development

Tailored enterprise resource planning and customer relationship management systems built to your exact workflows.

02

B2B Vendor & Customer Portals

Secure multi-tier portals for vendor onboarding, order management, invoice processing, and contract tracking.

03

Legacy Software Modernization

Refactoring outdated monolithic systems into modular microservices architectures with zero downtime.

04

System Integration & Middleware

Integrating SAP, Salesforce, Oracle, payment gateways, and custom REST/SOAP APIs.

Deliverables

What you receive

Every engagement ends with something you own outright — no black boxes, no lock-in.

  • Enterprise software platform with full source code
  • Role-based access control (RBAC) & SSO authentication
  • Automated PDF invoicing & reporting engines
  • High-concurrency database design & backup rules
  • Audit trail logs & enterprise security compliance
  • Employee training & technical documentation
Process

How the work runs

01

Enterprise Requirement Mapping

Detailed technical specification mapping departmental requirements and data flows.

02

System Architecture

Designing scalable microservices, database schemas, and RBAC permissions.

03

Iterative Module Build

Developing core modules in phases with continuous integration and QA testing.

04

Migration & Rollout

Secure data migration from legacy databases and phased employee deployment.

FAQ

Frequently asked questions

Can your enterprise solutions integrate with our existing ERP?

Yes, we build custom API middleware to integrate seamlessly with SAP, Oracle, Dynamics, Salesforce, and custom legacy databases.

How do we get custom pricing for enterprise projects?

Please contact our solutions team on our contact page to schedule a discovery call and obtain a customized estimate.

Do you offer post-deployment maintenance SLAs?

Yes, we provide dedicated enterprise SLA maintenance covering 24/7 monitoring, security patches, and functional updates.

More services

Explore our complete IT service capabilities

Start a project

Ready to start your enterprise solutions project?

Tell us what you're building. We'll come back with an approach, a timeline and a clear custom pricing proposal.