Replace Your Legacy System
With a Clear Plan and a Clear Price
Southern Code modernizes mission-critical internal software -- fast, scoped, and fixed-price -- using a Principal Engineer-led, AI-accelerated delivery model.
Used by operational businesses across North America. Nearshore delivery. Senior-led execution.
The Legacy Tax
If This Feels Familiar, You're Paying the "Legacy Tax"
Double Entry Everywhere
Parts, labor, invoices, and reporting copied across tools.
Tribal Knowledge Risk
Only one person "knows how the system works."
No Audit Trail
You can't see who changed what, when, and why.
Reporting Is Always "Half-Done"
Critical answers require manual spreadsheets.
The result: slower ops, higher errors, and growing risk every month.
What We Build
Modern Operational Software That Matches How Your Business Actually Runs
- Modern UI that doesn't slow down your team
- Full change history (audit trail) across the system
- Reliable reporting: costs, labor attribution, parts usage, period billing
- Granular permissions and role-based access
- Integration-ready architecture (accounting, inventory, CRM, etc.)
The Southern Code Difference
Traditional Agile vs AI-Accelerated Transformation
Time & materials (unknown total)
Scoped milestones + fixed price
Too many roles in the room
Principal Engineer-led execution
Sprint rituals and coordination drag
Less coordination, more building
Slow decisions, scattered ownership
Faster iteration with AI-assisted development
Delivery speed depends on team size
Predictable delivery with clear acceptance criteria
Use Cases
Who This Is For
How It Works
A Leaner Path to Modernization
Architecture Lock
We map your domain, risks, data model, and scope. Output: a locked plan and milestones.
Build in Milestones
Senior-led implementation with AI acceleration. Weekly demos. Tight feedback loop.
Validation & Cutover
Data migration plan, parallel run, user acceptance, go-live support.
No sprint theater. No endless backlog. Clear milestones and acceptance criteria.
Deliverables
Deliverables You Can Hold Us Accountable To
Need QuickBooks, Netsuite, or custom accounting sync? We scope integrations as a separate milestone to keep risk controlled.
Pricing Philosophy
Fixed Scope. Fixed Price. No Burn Anxiety.
We don't sell hours. We deliver outcomes. You get:
- A scoped plan
- Milestone pricing
- Clear acceptance criteria
- Change requests handled transparently (no surprise invoices)
Core Rebuild
Replace existing system with a modern, production-grade application.
- Architecture design
- Core business logic
- Audit trail + access control
- Deployment + monitoring
Rebuild + Integrations
Core rebuild plus accounting, inventory, or CRM connections.
- Everything in Core Rebuild
- Accounting sync (QB, Netsuite, etc.)
- Inventory / CRM integration
- API documentation
Rebuild + Optimization
Full rebuild with performance tuning, analytics, and advanced reporting.
- Everything in Rebuild + Integrations
- Performance optimization
- Advanced analytics dashboard
- Custom reporting engine
Credibility
Built by Senior Engineers Who Have Shipped Real Systems
Senior-led delivery model
Nearshore teams across Argentina
Experience rebuilding operational systems
Security-first engineering practices
"Within weeks we replaced spreadsheets with a system the team actually uses daily."
Get Started
Modernize Without the Chaos
Tell us what you have today, what's broken, and what "good" looks like. We'll respond with a scoped modernization approach.