Application Modernization and Rationalization
Transform your legacy complexity into an agile, future-ready advantage.
Talk to an ExpertLead with Proven Outcomes
30-60%
Infrastructure Cost Reduction
70%
Faster Release Cycle
80%
Quality Improvement
40%
Application Portfolio Reduction
Accelerate Performance with Smarter Application Modernization
Enterprise Innovation moves fast, and your application should move with it. Yet many enterprises struggle with fragmented legacy systems and rising technical debt. These problems slow the business's ability to adapt and scale with modern tech advancements. TestingXperts’s targeted application modernization and rationalization services assist you in unlocking performance and building cloud-ready systems.
Our app modernization services reduce operational overhead, improve code quality, and accelerate deployment using microservices architectures, containerization, and DevSecOps pipelines. With our structured modernization architectures and automation frameworks, you get a secure and agile application ecosystem that scales with your business.
Our Key Clients
Why Legacy Application Modernization Services Matters?
-
Accelerate product delivery using automated CI/CD pipelines and microservices architectures.
-
Reduce operational costs by retiring legacy monoliths and shadow IT.
-
Enable on-demand scalability with cloud-native and event-driven architectures.
-
Strengthen security using zero trust, DevSecOps, and policy-as-code.
-
Improve developer velocity with APIs, low-code, and modern toolchains.
How TestingXperts Supports Application Modernization and Migration Services
Refactor application code and streamline critical workflows for efficiency and maintainability.
Use phased migration strategies with zero disruption patterns to maintain operational continuity.
Enable cross-functional teams with expert-led delivery and knowledge transfer.
Rationalize portfolio with data-driven prioritization to resolve the issue of fragmented apps.
Adopt microservices and modern cloud-native architectures to resolve slow innovation cycles.
Our Application Modernization and Rationalization Services
Legacy Application Refactoring and Re-architecture
TestingXperts transform monolithic legacy systems into modular architectures using microservices and APIs. You gain the flexibility to adapt, extend, and maintain core systems without replacing the whole application in one go.
Cloud Re-platforming and Migration Services
We migrate business-critical applications to modern cloud platforms, applying architectural adjustments for resilience, performance, and operational efficiency. Our cloud application modernization services let you run apps in modern environments with more precise control and quality.
Containerization and Orchestration Enablement
Our experts containerize applications using Docker and manage them with Kubernetes to support portability and automated scaling. Your teams can consistently release, manage, and scale services across dev, QA, and production pipelines.
DevOps and CI/CD Pipeline Integration
TestingXperts build intelligent CI/CD pipelines using tools like Jenkins and Terraform. Your delivery workflows become more reliable, enabling faster, repeatable releases without operational complexity.
Application Portfolio Assessment and Discovery
We conduct a detailed evaluation of your application ecosystem using stakeholder mapping and automated discovery tools. Our app modernization services for enterprises help you remove redundancies and modernize critical systems aligned with your business priorities.
TIME and 6R Classification
TestingXperts apply the TIME and 6R frameworks to classify applications based on technical health and business relevance. Your decisions will become modernization-focused, and investments will align tightly with future-state goals.
Redundancy Elimination and Cost Optimization
We identify duplicate or underutilized applications and define rationalization plans. This will reduce clutter and shift your enterprise's focus to systems that move the business forward.
API Enablement and Integration Services
TestingXperts modernizes your application communication by identifying core functions through secure and scalable APIs. This will enable seamless integration across platforms and accelerate digital product launches.
Why Choose TestingXperts for Application Modernization?
TestingXperts, one of the leading enterprise legacy systems and application modernization services providers, combines its deep engineering expertise with architectural planning to modernize legacy systems into cloud-ready, API-driven, and modular platforms.
-
Outcome-Focused Impact
TestingXperts prioritize real outcomes, focusing on fast release cycles, lower TCO, improved agility, and enhanced digital experiences for users.
-
Engineering That Delivers
We implement cloud-native patterns and modern architectures to convert your legacy systems into scalable, high-performing platforms.
-
Cloud-First Approach
Our application modernization strategies are tailored for hybrid and multi-cloud models, including Azure, GCP, private cloud, or AWS.
-
Collaborative Design
TestingXperts co-create solutions with your teams and align our modernization strategies with your pace, culture, and long-term business objectives.
Know More About our App Modernization Consulting Services
Talk to an ExpertInsights
FAQs
What are the application modernization and migration services offered by leading service providers?
Best legacy application modernization services providers offer the following services:
- Portfolio assessment
- Rehosting to the cloud environments
- Replatforming to managed services
- Refactoring and containerization
- Rebuilding selected modules
- Replacing with commercial or SaaS products
- API enablement and integration
- Database and data warehouse modernization
- Test automation
- Performance tuning
- Security uplift and disaster recovery
- Phased cutovers and post-migration optimization with cost reviews
What are the leading components of application modernization and rationalization consulting?
Application modernization consulting services work on the following components:
- Discovery workshops
- Current state assessment
- Business case development and total cost modeling
- Target architecture, roadmap design, and sequencing
- Landing zone and environment design
- Security and compliance plan
- Data and integration strategy
- Operational model definition
- Change management
- Risk register and a clear implementation plan
What are the top engagement models for modernization programs?
Best cloud application modernization services providers cover the following engagement models:
- Fixed-price projects for defined scopes
- Time and materials arrangements for evolving work
- Outcome-based engagements with shared success metrics
- Discovery workshops and pilot packages
- Managed services for steady operations
- Staff augmentation to extend client teams
- Capability pods delivering specific features
What are the leading tools and platforms used in modernization?
The top application rationalization companies use the following tools and platforms:
- Major clouds such as AWS, Azure, and Google Cloud, Kubernetes, and Red Hat OpenShift
- Serverless computing services like Lambda and Azure Functions
- Infrastructure-as-Code frameworks with Terraform and native templates
- CI and CD pipelines with GitHub Actions, GitLab, or Jenkins
- Observability and monitoring with CloudWatch, Azure Monitor, Prometheus, and Grafana
What are application modernization and rationalization services?
These services improve older applications so they run better on modern platforms. TestingXperts assess current systems, choose the right target environment, move or rebuild parts that add value, update data stores, automate testing and releases, strengthen security, and set up operations so the solution is reliable and cost-effective.
What are the best practices for application modernization and rationalization services?
Start with a clear business case, prioritize by value and risk, modernize in small steps, use pilots before scaling, automate builds, tests, and releases, keep security and compliance embedded, monitor performance and cost, train teams, plan cutovers with rollback options, and review results against agreed metrics after each wave.
Get in Touch With Us
Get expert insights on your QE challenges
Explore next-gen solutions for digital excellence
Enhance software performance with Agentic AI-driven solutions
Discover customizable pricing models