Software Engineering
Modern .NET applications, APIs and distributed systems designed for maintainability, performance and long-term operation.
Clear architecture. Code you can build on.
Software · Systems · Integration
Software engineering for systems that need to work.
We design, build and operate secure, resilient software. From cloud platforms and APIs to payments, integrations and complex legacy environments.
From architecture to production.Built for the long term.
01 / Capabilities
Depth where
it matters.
Good software has to work as part of something bigger. We bring application, infrastructure and integration thinking to the same problem.
Cloud & Platform Engineering
Azure, AWS, containers, Kubernetes and infrastructure automation. From architecture and delivery pipelines through to production operations.
Repeatable delivery. Operable platforms.
Integration & APIs
Connecting systems that weren’t designed to talk to each other. REST APIs, messaging, event-driven architectures and legacy protocol integration.
Reliable connections. Clear contracts.
Payments & Transaction Systems
High-reliability transaction processing, financial messaging, routing and reconciliation, with secure system-to-system communication.
Every transaction needs an accountable outcome.
Security & Identity
Authentication and trust across system boundaries. OAuth 2.0, OpenID Connect, mutual TLS, message signing and certificate lifecycle management.
Security built into the design.
AI & Automation
Practical AI and LLM integration, agents and workflow automation. Connected to existing business systems, with clear boundaries and human oversight.
Useful automation. Measurable outcomes.
02 / Beyond the happy path
The real work starts
where the simple
answers stop.
Existing systems. Imperfect data. Unreliable networks. Real operational constraints.
Most systems don’t start with a blank page. They come with history, dependencies and people who rely on them every day.
We work through that complexity: tracing the actual behaviour, making boundaries explicit and improving what’s there without losing what already works.
- Design for failure
Timeouts, retries, recovery and reconciliation are part of the design.
- Make behaviour visible
Logs, metrics and transaction traces that help explain what happened.
- Modernise with care
Practical migration paths that account for existing data and live operations.
03 / Working principles
A considered way
to build.
Sound decisions, clear communication and ownership of the details that determine whether a system works in practice.
Understand first.
Follow the real workflow and data. Establish what the system needs to do before deciding how to change it.
Keep it deliberate.
Choose the simplest design that meets the need. Make trade-offs explicit and leave room for the next change.
Prove it works.
Test the important paths, including the awkward ones. Validate assumptions with evidence from the actual system.
Think past release.
Build for deployment, monitoring, support and handover. A system should be understandable to the people running it.
04 / Technology
The right tools.
For the actual problem.
A practical foundation across application development, cloud infrastructure and secure integration.
- Applications & data
- C# / .NET · ASP.NET Core · SQL · JavaScript / TypeScript
- Cloud & delivery
- Azure · AWS · Docker · Kubernetes · CI/CD
- Connectivity & trust
- REST · Messaging · OAuth 2.0 / OIDC · mTLS
- Intelligence & automation
- LLM integration · Agents · Workflow automation
05 / Let’s talk
A difficult system.
A useful conversation.
Building something new, connecting existing platforms or working through a system that needs to change? Tell us what you’re working with.
info@sysworx.co.nz