BUILD
Custom software & applications
A new internal tool, business application, API or web experience. From a small feature to a bigger build, we can talk through what you need.
NEW ZEALAND SOFTWARE ENGINEERING
Build something better.Connect what you already have.
From a new application or a tricky technical problem to Microsoft 365, SharePoint and Xero integrations, DeltaCore brings practical software engineering to projects of all sizes.
Focused fixes to complete projects Direct senior engineering
Business systems, connected
Your systems. One clearer workflow.
DeltaCore engineering
Integration + automation
APIs · Validation · Background processing
Less manual work
Clearer information
More dependable systems
Example integration workflow
Where we can help
A software problem on your mind? Let's work through it.
You don't need a detailed specification to get in touch. Whether it's something new, an existing system or extra engineering expertise, we'll help find a practical way forward.
CONNECT
Systems integration & automation
Get more value from software you already use. Connect data and processes across accounting, operations, documents and other applications.
IMPROVE
Modernisation & technical fixes
Improve ageing .NET applications, untangle difficult integrations, strengthen reliability or make an existing system easier to maintain.
COLLABORATE
Senior engineering support
Need another experienced engineer on a project? We can contribute hands-on backend, architecture or integration expertise to your team.
Engineering services
Broad engineering capability. Specialist depth where it counts.
We work across applications, integrations and modernisation. And when the work involves Microsoft business platforms or financial systems, we bring years of relevant enterprise and SaaS experience.
Enterprise experience
Specialist experience
Microsoft 365 & SharePoint
Complex migrations, document management, collaboration solutions and integration with existing business systems.
SharePoint Server and SharePoint Online migrations
Document libraries, permissions, metadata and search
Custom .NET, PowerShell and workflow solutions
API engineering
Specialist experience
Xero & financial integrations
Connect financial and operational systems with reliable authentication, automated reconciliation and background processing.
Xero APIs and OAuth2 authentication
Hangfire jobs and automated financial reconciliation
EFTPOS, payments and third-party SaaS integrations
Business workflow automation
Approval flows, scheduled jobs, document processes and dependable background tasks.
Power AutomateHangfirePowerShellCustom .NET workflows
Engineering experience developed across enterprise, government and commercial software environments.
Working together
Straightforward conversations. Thoughtful engineering.
Whether you're planning a new application, improving an existing system or looking for additional engineering expertise, we start by understanding what you need and finding a practical way forward.
Our engineering work
Engineering in practice. Software we've designed and built.
Alongside engineering services, we develop our own software products. They demonstrate practical experience across software architecture, application development, infrastructure and production operations.
Released open-source software
Message Easy Mode 0.2.0
A control plane for deploying and operating self-hosted communications infrastructure, including diagnostics, security, recovery and deployment automation.
View project
In development
DeltaCore Commerce
A modular commerce and business operations platform demonstrating transactional workflows, payment integrations, APIs and modern web application engineering.
View projectLet's talk software
A new idea, a complex migration or just something that needs fixing?
Tell us a little about it. We're happy to explore projects of different sizes and help determine a practical next step.