Legacy App Modernization in Sydney, AU
ZTABS delivers professional legacy app modernization for Sydney businesses — including incremental modernization, business logic preservation, data migration. Serving FinTech, PropTech, HealthTech companies in Sydney, AU.

ZTABS provides legacy app modernization services in Sydney, AU — including incremental modernization, business logic preservation, data migration, and more. We work with Sydney businesses across FinTech, PropTech, HealthTech using technologies like Next.js, React, Node.js.Get a free consultation →
Legacy App Modernization Capabilities for Sydney
Our legacy app modernization team delivers a full range of capabilities tailored to Sydney's FinTech and PropTech sectors:
- ✓Incremental Modernization
Modernize one module at a time — reducing risk, delivering value early, and keeping the business running throughout.
- ✓Business Logic Preservation
We extract and document the business rules embedded in legacy code so nothing gets lost in the new system.
- ✓Data Migration
Migrate from legacy databases (Access, FoxPro, SQL Server) to modern PostgreSQL or cloud-managed databases.
- ✓API Layer Design
Build modern REST or GraphQL APIs that let the new system talk to legacy components during the transition period.
- ✓Automated Testing
Create comprehensive test suites that verify the new system behaves identically to the old one for every critical workflow.
- ✓Cloud Deployment
Deploy the modernized application on AWS, Azure, or Vercel with CI/CD pipelines, monitoring, and auto-scaling.
Our Legacy App Modernization Process
Each phase includes clear deliverables and Sydney stakeholder reviews. See our full process →
Tech Stack for Sydney Legacy App Modernization Projects
Why Sydney Businesses Choose ZTABS for Legacy App Modernization
Sydney (Australia's financial and fintech hub, population 5.3 million) is home to thriving FinTech, PropTech, HealthTech sectors — each with distinctlegacy app modernization needs. Banks and fintechs need core banking, payments, and regulatory compliance for Australian standards. PropTech companies require property management, valuation, and transaction platforms. HealthTech firms need systems compliant with My Health Record and Australian healthcare standards. E-commerce businesses need marketplace and omnichannel solutions for APAC.
Sydney is Australia's financial capital and largest tech hub, home to major banks, Atlassian, and a thriving fintech ecosystem. The city leads in fintech, proptech, and health technology, with strong government support for innovation. The startup ecosystem benefits from proximity to Asian markets and a mature financial services sector.
Gateway to Asia-Pacific with strong financial services sector. Government initiatives like the fintech regulatory sandbox support innovation. High quality of life attracts talent, though costs are significant. University of Sydney and UNSW provide strong tech talent pipelines.
Legacy App Modernization for Sydney's Key Industries
Each of Sydney's core sectors has specific legacy app modernization requirements. We build solutions tailored to these industry needs:
FinTech
Sydney's fintech companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.
Legacy App Modernization for FinTech →PropTech
Sydney's proptech companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.
Legacy App Modernization for PropTech →HealthTech
Sydney's healthtech companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.
E-commerce
Sydney's e-commerce companies need specialized legacy app modernization that addresses sector-specific compliance, integrations, and workflow requirements.
Legacy App Modernization for E-commerce →How We Work With Sydney Businesses
Our distributed engineering team delivers the same quality and responsiveness as a local partner. Gateway to Asia-Pacific with strong financial services sector. Government initiatives like the fintech regulatory sandbox support innovation. High quality of life attracts talent, though costs are significant. University of Sydney and UNSW provide strong tech talent pipelines.
Timezone-Aligned Availability
Our team schedules overlap with Sydney's your local time business hours for real-time standups, reviews, and demos.
Dedicated Project Manager
A single point of contact who understands your business context and Sydney's market.
Transparent Communication
Daily async updates, weekly video calls, and shared project boards keep you informed at every stage.
Built for Sydney's Industries
We understand Sydney's key sectors — FinTech, PropTech, HealthTech — and build solutions tailored to their requirements.
Frequently Asked Questions
Common questions about legacy app modernization in Sydney
We offer end-to-end legacy app modernization for Sydney businesses: incremental modernization, business logic preservation, data migration, api layer design. We use technologies like Next.js, React, Node.js to build solutions tailored to Sydney's key industries — FinTech, PropTech, HealthTech.
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Legacy App ModernizationLearn more about our legacy app modernization services nationwide.
Next.jsNext.js transforms web applications into high-performance, SEO-friendly platforms that drive user engagement and boost conversion rates. Leverage its capabilities to streamline your development process and accelerate time-to-market, ensuring your business stays ahead of the competition.
ReactHarness the power of React to accelerate your development process, enhance user experiences, and drive ROI. With its component-based architecture, React allows businesses to build dynamic applications that are both scalable and maintainable, ensuring long-term success in a competitive landscape.
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Legacy App Modernization Project?
Partner with ZTABS for expert legacy app modernization in Sydney. Get a free consultation today.