Replace Your Legacy System Without Drama
Modern web apps that work reliably while your business keeps running normally.
Free 15-minute call. No technical brief needed.
The Problem
Your old system works but it's slow, hard to maintain, and risky. Finding developers who understand the old code is expensive. You need something modern but can't afford downtime.
How I Can Help
I build modern replacements that do exactly what your current system does, just better. Run them side-by-side during transition so there's no business disruption or data loss.
Not sure what the right first step is?
Show me the workflow or system causing problems. I’ll help identify the simplest sensible next step.
Directly with James. No sales presentation. No obligation.
One workflow is enough to start.
Bring the spreadsheet, handoff or system that is slowing the team down.
What You Get
Zero Downtime
Your business keeps running normally while I migrate everything behind the scenes.
Lower Costs
Modern systems are cheaper to maintain and don't need specialist legacy developers.
Future Ready
Built with current technology that's well-supported and easy to expand later.
FAQ
What does legacy system modernisation cost?
Depends on complexity and data volume. I quote fixed prices after understanding your current system. Most projects range from $15,000 to $50,000 AUD with clear milestones.
How long does the transition take?
Usually 3-6 months depending on system complexity. I work in phases so you see progress regularly and can test everything before switching over completely.
What if my old system uses outdated technology?
I handle the technical translation between old and new systems. Whether it's ancient databases or proprietary formats, I'll map everything to modern equivalents.
Will my team need retraining on the new system?
I build the interface to match your current workflow as much as possible. Any changes improve efficiency, and I provide documentation for new features.
Why not just patch the existing system instead?
Patching old systems gets expensive quickly and doesn't solve underlying problems. A modern replacement gives you reliability, speed, and easier maintenance long-term.
Start with the problem, not a specification
We’ll map what is happening now, identify the risky assumptions and recommend a practical first step.
Direct access to the person doing the work
Fixed scope before development
Documentation and handover included
You'll get a recommended next step and likely range—even if Jarve isn't the right fit.
Legacy system modernisation for Australian teams that cannot pause operations
Legacy system modernisation searches usually come from teams stuck with old databases, Access apps, spreadsheets, or unsupported workflow software that still runs a critical part of the business.
Jarve scopes the system conversion service around the live process first: what data must migrate, which screens need to stay familiar, where integrations matter, and where a staged system migration reduces operational risk.
The aim is software modernisation that replaces the brittle parts with maintainable custom software without forcing a risky big-bang rebuild.