Legacy Modernization Services
Legacy Modernization: Web, Mobile, Enterprise & Cloud
Existing legacy systems often remain critical to daily operations, but outdated architecture, unsupported technologies, limited integrations, and growing maintenance costs can slow down business growth. SCAND provides legacy software modernization initiatives that help companies upgrade existing systems while preserving valuable business logic and minimizing operational risks.
How We Modernize Software Products
- We work with legacy platforms, desktop applications, enterprise systems, SaaS products, databases, APIs, and cloud infrastructure
- Depending on your goals, we modernize systems step by step or selectively rebuild critical components
- The result is improved performance, stronger security, better scalability, and long-term maintainability
Benefits of Legacy Software and System Modernization
Legacy modernization helps companies keep business-critical software relevant, secure, and easier to maintain. Instead of replacing everything at once, SCAND helps identify the right modernization approach for your system, product, infrastructure, and business goals.
Better Performance
After modernization, systems can process data up to 2–3x faster, which allows them to process higher workloads and respond well under peak usage.
Stronger Security
Modernization reduces exposure to known vulnerabilities by up to 70% by replacing outdated components, improving access control, and updating infrastructure to current security standards.
Lower Maintenance Costs
Companies typically reduce maintenance effort by 30–50% because cleaner architecture and reduced technical debt make the system significantly easier to support and evolve.
Improved Scalability
Modernized systems can support 2–5x more users or requests by shifting to cloud-ready architectures and decoupled infrastructure that scales with demand.
Better User Experience
Users can complete tasks 20–40% faster thanks to improved interfaces and optimized workflows that remove unnecessary steps and reduce friction.
Business Continuity
A phased modernization approach allows companies to upgrade legacy systems with zero or near-zero downtime, so critical business operations continue without interruption during migration.
AI-assisted delivery
Up to 50% faster code analysis
Lower maintenance costs
Reduced long-term maintenance costs
Zero-downtime migration
Phased migration with no business disruption
Cloud readiness
Ready for the cloud
Our Legacy Software Modernization Services
We provide end-to-end legacy modernization services for companies that need to upgrade outdated software, modernize complex systems, or transform existing products into scalable, secure, and maintainable solutions.
Legacy Application Assessment
For organizations planning modernization initiatives, we conduct a structured assessment of existing legacy systems to understand their real technical state. Our engineers analyze architecture, codebase, integrations, infrastructure, and security, combining manual review with AI-assisted analysis to identify risks, performance bottlenecks, and system constraints before modernization begins.
Software Product Modernization
In order to extend the lifecycle of existing products, we modernize complete systems across frontend, backend, and infrastructure layers. We improve architecture, performance, usability, and maintainability while reducing technical debt and system fragmentation. Our work typically includes platform upgrades, interface improvements, performance optimization, and restructuring of legacy components.
Legacy System Migration
Our legacy system migration services help organizations transitioning from outdated systems to modern platforms. Depending on complexity, we apply phased, hybrid, or full migration strategies, supporting data integrity, minimal downtime, and parallel operation of legacy and modern environments where required.
Cloud Migration for Legacy Software
For businesses moving legacy applications to modern infrastructure, we migrate systems to AWS, Azure, Google Cloud, or hybrid cloud environments. When needed, we redesign architecture to improve scalability, stability, and overall performance, resulting in simplified deployments and flexible infrastructure management.
API Integration and System Interoperability
For organizations that need to connect legacy systems with modern tools, we design and implement secure API layers that enable integration with SaaS platforms, internal systems, and third-party services. Such an approach allows real-time data exchange, workflow automation, and elimination of redundant or manual processes.
Data Modernization
If your company is working with outdated or fragmented data structures, we can analyze, clean, and migrate legacy data into modern database systems and storage architectures. This improves data quality and accessibility, as well as enables faster reporting, analytics, and preparation for AI-driven solutions.
Software Re-engineering and Refactoring
For complex legacy systems that require structural improvement, we re-engineer and refactor codebases using a combination of engineering expertise and AI-assisted analysis. This approach allows us to preserve critical business logic and reduce complexity, making systems easier to maintain and extend.
UI/UX Modernization
If you have applications with outdated interfaces, we can offer UI/UX redesign using modern usability standards and real user behavior insights. This modernization approach speeds up task completion and reduces user errors and support requests.
Application Containerization
For organizations aiming to standardize deployments, we containerize legacy applications using Docker and Kubernetes-ready environments. This ensures uniform behavior within all environments, simplifies scaling and deployment, and reduces dependency on specific infrastructure configurations.
Quality Assurance and Support
We validate modernized systems using both automated and manual testing across functionality, performance, security, and compatibility. Our approach helps ensure stable releases, reduces the risk of regressions, and makes system behavior predictable after the migration goes live in production.
Mobile Legacy Modernization
For organizations with outdated mobile applications, we modernize legacy apps built on technologies such as Cordova, Xamarin, and legacy React Native. Using AI-assisted migration strategies, we improve performance, ensure app store compliance, reduce maintenance overhead, and extend product lifespan without requiring a full rewrite.
DevOps Enablement for Modernized Systems
For organizations modernizing legacy software, we implement DevOps practices and CI/CD pipelines to support continuous delivery and reliable deployments. This includes infrastructure automation, environment standardization, monitoring setup, and release process optimization, allowing for faster iterations, better system stability, and more predictable production rollouts.
Legacy Application Modernization Services
Looking to modernize a legacy business application? We help transform outdated systems into scalable, secure, and maintainable platforms that support business growth instead of limiting it.
Legacy Modernization Approaches We Use
Every legacy system requires a different modernization strategy. SCAND helps choose the right approach based on business value, system complexity, budget, risks, and long-term product plans.
Approach
Description
Rehosting
Moving the system to a new infrastructure without major code changes.
Replatforming
Updating the runtime environment, database, or platform to improve performance and supportability.
Refactoring
Improving the existing codebase without changing core functionality.
Re-architecting
Redesigning the system architecture to improve scalability, integration, and maintainability.
Rebuilding
Recreating selected parts of the system using modern technologies.
Replacing
Replacing outdated components with modern tools, platforms, or custom-built modules.
Trusted Software Development Company
For over 25 years, SCAND has been delivering secure, high-load software solutions for startups, SMBs, and global enterprises (including NASA, IBM, Cisco, FedEx, Bank of America, Siemens, and others). Our dedicated development teams support clients at every stage of the software development process — from idea and consulting to maintenance and support.
Advanced Technologies We Implement
Legacy modernization is ultimately about moving from technologies that have reached their limits to platforms that are actively supported. Below are some of the most common modernization journeys we help our clients complete.
From
To
Cordova / PhoneGap
React Native / Flutter
Xamarin
.NET MAUI
React Native (legacy)
Flutter or native (Kotlin + SwiftUI)
Flutter (2020–2022)
Kotlin Compose + SwiftUI
AngularJS
Angular 17+ / React
.NET Framework
.NET 8
Java EE / Spring (legacy)
Spring Boot / Microservices
jQuery + PHP monolith
React / Vue + Node.js or another modern backend
AI-Driven Legacy Modernization
As part of our AI-driven legacy modernization services, we integrate AI throughout the modernization lifecycle to accelerate delivery, improve code quality, and reduce the risk of human error. Below are some cases illustrating how we use AI in our modernization process:
- Automated code analysis & dependency mapping: AI analyzes legacy codebases, identifies technical debt, uncovers hidden dependencies, and highlights potential migration risks. Overall, through AI-powered code modernization, tasks that previously required weeks of manual investigation can be completed in a fraction of the time.
- AI-assisted refactoring & code generation: LLM-based tools help generate modern equivalents of legacy components, suggest refactoring opportunities, and accelerate migration to current technology stacks. This reduces repetitive manual work and keeps experienced engineers in control of every implementation.
- Continuous validation and regression prevention: AI also supports quality assurance by generating automated tests alongside migrated code, comparing behavior between legacy and modernized systems, and detecting regressions. Continuous validation ensures that modernization improves the technology without compromising business functionality.
Mobile Legacy Modernization
Legacy mobile apps are under pressure from OS updates, app store requirements, and a shrinking pool of developers for older frameworks. In our legacy iOS modernization and legacy Android modernization projects, we help companies move away from fragile mobile stacks without risking business continuity.
From
To
What it means in practice
Cordova / PhoneGap
React Native
Replace hybrid WebView apps with modern cross-platform architecture and better performance
Xamarin
.NET MAUI
Transition to Microsoft’s modern cross-platform framework with long-term support
React Native (old)
Flutter or native
Rebuild unstable or outdated RN apps into modern, maintainable architecture
Flutter (2020–2022)
Kotlin Compose + SwiftUI
Move from aging Flutter versions to fully native, high-performance mobile apps
Built by Experts. Accelerated by AI.
We can enhance your solutions with AI tools where they bring real value or leave development completely traditional.
SCAND Top Rankings
Software Product Modernization Services
SCAND helps companies modernize existing software products that have become difficult to scale, maintain, or evolve. We work with SaaS products, desktop software, web platforms, enterprise tools, and industry-specific solutions that need better architecture, updated technologies, improved UX/UI, or cloud readiness.
Our team can modernize specific product modules or redevelop the entire solution in stages. This approach enables businesses to extend the product lifecycle, boost user satisfaction, reduce technical debt, and prepare the software for new features, integrations, and market demands.
Why Choose SCAND for Legacy Modernization?
SCAND combines software engineering expertise gained across dozens of legacy modernization projects, with flexible delivery models for legacy application modernization service, helping companies upgrade legacy software with controlled risks and predictable results.
25+ Years in Software Development
SCAND brings more than 25 years of experience in custom software development, helping businesses modernize, migrate, re-engineer, and maintain legacy systems for long-term success.
Full-Cycle Modernization Expertise
We cover every stage of the modernization process, from application assessment and roadmap planning to architecture redesign, development, migration, quality assurance, deployment, and ongoing support.
Strong Engineering Team
Our multidisciplinary team includes software developers, business analysts, QA engineers, DevOps specialists, and project managers who work together to deliver successful modernization projects.
Flexible Cooperation Models
Choose the engagement model that best fits your needs, whether it's project-based delivery, a dedicated development team, or team extension services.
Our Modernization Process
At SCAND, we’ve done our best to make the legacy app modernization process labor-saving and well-organized. Our modernization process typically follows five key stages:
-
2. Design
We create a modern solution just for you — whether that means a fresh design, updated features, or new tech integrations.
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3. Implementation
Our team steps in to update the software, move the data, and make sure all the parts work as a single unit.
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4. Testing
After the updates, we test the system thoroughly to verify everything runs well under different conditions.
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5. Deployment & Support
Once testing is done, we launch the new system and offer ongoing support to cope with any problems and let you get the most out of your software.
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1. Discovery & Planning
We begin by getting to know your current software, your goals, and any challenges you face. This phase helps us identify what needs to be updated and create a plan.
Latest Reviews from Our Clients
Sr. Account Director Mid-Market
Coupa Deutschland GmbH
It was a great experience working with SCAND on e-Procurement projects during my time at OpusCapita. The team was professional and competent. Keep up the great work!
Managing Director
prodexa GmbH
The SCAND team has been an incredibly reliable and skilled development partner for jCatalog for many years, consistently delivering high-quality services with a proactive approach.
Product Manager
jCatalog Software AG (or OpusCapita GmbH)
Over the years of working together, the SCAND team has always been a reliable pillar of support for me. Along the way, we’ve built not only a strong professional relationship but also meaningful personal connections. It has truly been a pleasure collaborating with you.
Outsourcing Manager at Owlcat Games
Working with SCAND on customizing SourceGit was a genuinely positive experience. Their team was responsive, collaborative, and easy to work with throughout the project. We value their cooperative approach and would confidently recommend them as a reliable development partner.
Managing Product Owner at GIPmbh
We have been working with SCAND on the development of a custom Outlook Add-In that converts documents directly from Outlook and transfers them seamlessly into our software platform. We highly recommend them to anyone looking for a skilled and dependable software development team...
Chief Technology Officer
Wiztech Group
Great work on our products — web applications in the gaming domain. The SCAND software developers worked highly professionally and made valuable contributions to the successful implementation of every project they were involved in.
Sales & Marketing Manager, Smartstaff AS
Throughout our long-standing collaboration, the team has consistently delivered high-quality service. Over time, we’ve developed a strong and genuinely friendly working relationship, which has positively influenced the outcomes of our joint efforts.
Founder of TreeNinjaAI
What might have taken 18 months was completed in about 6, with SCAND contributing for 3.5 months. Despite my non-engineering background, their support and modern AI capabilities enabled us to build unique features and integrations in a single application.
Our Cases
Our experience spans legacy modernization projects in mobile, web, and enterprise systems. Explore some of our case studies, where we show how we’ve helped organizations extend the value of existing software.
- PHP
- SaaS
- HTML/CSS
- Spring
- Web Application Development
- React Native
- SaaS
- Mobile App Development
Frequently Asked Questions
