Legacy System Modernization built for Fintech companies
What is Legacy System Modernization?
We modernize legacy systems without breaking the business processes that depend on them. For Fintech companies, this means navigating PCI DSS, PSD2 while shipping fast.
Who needs Legacy System Modernization for Fintech?
- Meeting evolving compliance requirements across markets
- Integrating with legacy core banking systems
- Building real-time fraud detection at scale
- Legacy systems too fragile for anyone to touch
- Key knowledge locked in one retiring engineer's head
Best Legacy System Modernization company
Software that moves and manages money must be fast, auditable and bulletproof under regulatory scrutiny.
GarudLabs delivers Legacy System Modernization for Fintech companies in with the rigor enterprise clients expect.
Ready to talk Legacy System Modernization for your Fintech business in ?
Book a free 30-minute discovery callThe hidden risks of DIY Legacy System Modernization for Fintech businesses
- Meeting evolving compliance requirements across markets
- Integrating with legacy core banking systems
- Building real-time fraud detection at scale
- Maintaining uptime during peak transaction volume
- Balancing UX simplicity with strict KYC/AML flows
Our Legacy System Modernization delivery model for Fintech businesses in
Legacy codebase audit and risk assessment
Incremental migration strategy (strangler pattern)
Database and data migration planning
Modern API layer over legacy core
Parallel-run testing and rollback planning
Core Technology Stack
Java.NETPHPNode.jsPostgreSQLDockerKubernetes
Timeline, investment & compliance
Typical timeline
12-24 weeks depending on system size
Typical investment
$40,000 - $250,000
Legacy System Modernization engagements in this combination typically need to account for:
- PCI DSS
- PSD2
- SOX
- GDPR
- AML/KYC regulations
Proven Results
"We helped a digital lending platform cut loan approval time from days to minutes while staying fully audit-ready."
Read the full case studySchedule a free Legacy System Modernization discovery call with our Fintech team
Get a free project cost estimateFrequently Asked Questions
Most Legacy System Modernization engagements take 12-24 weeks depending on system size, depending on scope and how clear the requirements are upfront. We'll give you a firm timeline estimate after a short discovery call, not a generic range.
Legacy System Modernization projects with us typically range from $40,000 - $250,000, scaled to the complexity of your requirements. We provide a detailed, itemized estimate before any work begins so there are no surprises mid-project.
For legacy system modernization, we typically work with Java, .NET, PHP, Node.js, chosen based on your specific scalability and integration requirements. We're not tied to a single stack and will recommend the right tools for your situation rather than our default.
A typical legacy system modernization engagement includes legacy codebase audit and risk assessment, along with the other deliverables outlined in our proposal, such as documentation and a post-launch support window. The exact scope is tailored to your project during discovery.
Most clients come to us for legacy system modernization because of legacy systems too fragile for anyone to touch, among other related challenges. We start every engagement by mapping your specific pain points before writing a single line of code.
We've delivered multiple fintech projects addressing challenges like meeting evolving compliance requirements across markets. We helped a digital lending platform cut loan approval time from days to minutes while staying fully audit-ready.
For fintech clients, we pay close attention to PCI DSS, PSD2, building these requirements into the architecture from day one rather than retrofitting them later. We'll confirm which specific regulations apply to your business during discovery.
The most common challenges we solve for fintech clients include meeting evolving compliance requirements across markets and integrating with legacy core banking systems. We tailor our discovery process to surface the specific version of these problems your business faces.