Legacy System Modernization built for Banking companies
What is Legacy System Modernization?
We modernize legacy systems without breaking the business processes that depend on them. For Banking companies, this means navigating Basel III, PSD2 (EU) while shipping fast.
Who needs Legacy System Modernization for Banking?
- Core banking systems resistant to modernization
- Real-time payment processing requirements
- Open banking API integration complexity
- Legacy systems too fragile for anyone to touch
- Key knowledge locked in one retiring engineer's head
Best Legacy System Modernization company
Core banking software has to modernize without ever putting customer deposits or trust at risk.
We've designed our Legacy System Modernization process specifically around the realities of Banking businesses in .
Stop guessing on Legacy System Modernization — let's build a real plan together
Book a free 30-minute discovery callWhy Banking teams in outgrow their current Legacy System Modernization setup
- Core banking systems resistant to modernization
- Real-time payment processing requirements
- Open banking API integration complexity
- Fraud detection across digital channels
- Regulatory reporting across jurisdictions
How we tailor Legacy System Modernization to Banking-specific requirements
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:
- Basel III
- PSD2 (EU)
- Dodd-Frank (US)
- AML/KYC regulations
Proven Results
"We helped a digital bank reduce account opening time from days to under 10 minutes with a custom onboarding flow."
Read the full case studyTalk to our Banking Legacy System Modernization specialists this week
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 banking projects addressing challenges like core banking systems resistant to modernization. We helped a digital bank reduce account opening time from days to under 10 minutes with a custom onboarding flow.
For banking clients, we pay close attention to Basel III, PSD2 (EU), 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 banking clients include core banking systems resistant to modernization and real-time payment processing requirements. We tailor our discovery process to surface the specific version of these problems your business faces.