Custom Software Development
Bespoke .NET business applications built around your processes, integrations and operational requirements.
Business systems, not brochure websites
RheSys designs and develops backend-led business applications using .NET, SQL Server and modern web technologies. The focus is on software that manages workflow, data, integration and operational control.
Typical custom development projects
- Business process automation platforms
- Customer, consultant, member and partner portals
- Operational workflow systems with approvals and audit trails
- ERP, accounting and ecommerce integrations
- Membership, accreditation and compliance systems
- Reporting, reconciliation and analytics platforms
- Mobile-friendly Progressive Web Applications
- API and middleware services
- Legacy system modernisation and replacement
The best systems remove manual process, reduce duplication and give teams one reliable place to work from.
What RheSys undertakes
From first scoping through to development, integration and support, RheSys can take responsibility for the full delivery lifecycle.
Clarify business process, data flows, user roles, reporting needs and integration points before build starts.
Build secure, maintainable APIs and backend services using ASP.NET Core, SQL Server and proven architecture patterns.
Design data models, stored procedures, reporting views, reconciliation routines and performance-conscious database workflows.
Connect systems such as Sage 200 Evolution, AccountMate, ecommerce platforms, CRMs and specialist APIs.
Deliver practical web interfaces using modern JavaScript frameworks, Bootstrap and mobile-friendly design.
Deploy to IIS, Azure or client infrastructure, with documentation, handover and ongoing improvement options.
Have a process that off-the-shelf software cannot handle?
Let’s discuss a custom solution designed around your organisation’s requirements.