MODERNIZATION AND OPTIMIZATION

Legacy system modernization for enterprises that can't afford to stop

Outdated systems slow delivery, create security exposure, and block the changes your business needs. We help enterprises modernize legacy applications, reduce technical debt, and migrate to the cloud without taking operations offline.

Artistic display of cubes falling
Audi logo
Sephora logo
Wayfair logo
Uniqlo logo
Marriott Bonvoy logo
Mapbox logo
Eversana logo

OUR PROCESS

How we approach modernizing legacy systems

We assess your current state, identify the highest-impact opportunities, and build a phased roadmap that delivers value at every step — not just at the end.

Assessment

We map your systems, dependencies, and technical debt to understand what's holding you back and what's worth keeping.

Strategy

We define the right approach for each component: refactor, replatform, or rebuild based on business impact, not technology preference.

Execution

Incremental delivery with continuous value. Each release reduces risk and builds momentum.

Optimization

Post-migration monitoring, infrastructure tuning, and ongoing improvement.

OUR SOLUTIONS

How we modernize legacy systems

Legacy applications drain resources, slow delivery, and create security risks. Wholesale replacement isn't always the answer. We modernize incrementally, balancing risk with reward, and building systems that scale with your ambitions.

Legacy application modernization

Transform monolithic legacy applications into modern, cloud-native architectures without disrupting your business.

Includes

  • Legacy application assessment
  • Microservices architecture design
  • API development and integration
  • Database modernization
  • Incremental migration strategy
  • Testing and validation

Benefits

  • Improved scalability and performance
  • Reduced maintenance costs
  • Faster feature delivery
  • Enhanced security
  • Better developer experience
Legacy to cloud migration

Move from on-premises data centers to cloud platforms with confidence. We optimize for cost, performance, and security.

Includes

  • Cloud readiness assessment
  • Migration strategy and planning
  • Infrastructure-as-Code implementation
  • Data migration and validation
  • Cost optimization
  • Security and compliance review

Benefits

  • Lower infrastructure costs
  • Improved reliability and uptime
  • Elastic scalability
  • Global reach
  • Automatic updates and patches
Technical debt modernization

Eliminate accumulated technical debt that slows delivery and increases risk.

Includes

  • Technical debt assessment
  • Code refactoring and cleanup
  • Test coverage improvement
  • Documentation updates
  • CI/CD pipeline modernization
  • Security vulnerability remediation

Benefits

  • Faster development cycles
  • Reduced bug rates
  • Improved code quality
  • Lower maintenance burden
  • Better team morale
AI modernization

Leverage AI to accelerate modernization efforts: code analysis, automated refactoring, and intelligent migration planning.

Includes

  • AI-powered code analysis
  • Automated code migration
  • Legacy code documentation with AI
  • Intelligent testing and validation
  • AI-assisted architecture design

Benefits

  • Faster modernization timelines
  • Reduced manual effort
  • Improved accuracy
  • Better insights into codebase
  • Lower project risk
API modernization

Transform legacy integrations into modern, secure, and scalable API architectures.

Includes

  • API strategy and design
  • RESTful and GraphQL API development
  • API gateway implementation
  • Authentication and authorization
  • Rate limiting and throttling
  • API documentation and developer portal

Benefits

  • Easier third-party integration
  • Improved security
  • Better developer experience
  • Faster partner onboarding
  • Future-proof architecture
Performance engineering & optimization

Improve application performance, reduce latency, and optimize resource utilization.

Includes

  • Performance profiling and analysis
  • Database query optimization
  • Caching strategy implementation
  • Infrastructure right-sizing
  • Load testing and validation
  • Monitoring and observability setup

Benefits

  • Faster response times
  • Better user experience
  • Lower infrastructure costs
  • Improved reliability
  • Scalability for growth

Modernization without the risk

Modernization projects carry inherent risk. We mitigate that risk through:

  • Incremental Delivery - Small, frequent releases reduce blast radius
  • Comprehensive Testing - Automated testing ensures quality
  • Rollback Plans - Quick recovery if issues arise
  • Monitoring & Observability - Early detection of problems
  • Change Management - User training and communication

OUR TECHNOLOGY

Technologies we leverage

Cloud platforms
  • AWS
  • Azure
  • Google Cloud Platform
Modernization tools
  • Docker and Kubernetes
  • Terraform and CloudFormation
  • GitHub Actions
  • AWS Lambda
  • API Gateway
Languages and frameworks
  • React, Node.js, Python
  • Java, .NET Core
  • Go, Rust
  • Microservices patterns
AI tools
  • GitHub Copilot for code refactoring
  • AI-powered code analysis
  • Automated test generation
  • Legacy code documentation
  • Migration planning assistants

OUR WORK

Real-world modernization, measurable results

Modernizing legacy systems isn’t just about upgrading technology — it’s about delivering tangible business outcomes. We’ve helped organizations modernize critical systems while improving performance, reducing risk, and enabling faster delivery.

Application modernization for a 100-year-old financial firm

Financial services

Application modernization for a 100-year-old financial firm

Six customer-facing applications running on four different technology stacks. One actionable roadmap. Modus Create consolidated the entire frontend into a single Angular/Ionic framework — reducing costs, simplifying QA, and unblocking recruitment.

  • 6 applications modernized
  • 4 technology stacks consolidated into 1
  • Cross-platform development unlocked for the entire engineering team
A dental marketing company modernizes for speed & scale

Dental marketing / SaaS

A dental marketing company modernizes for speed and scale

Over eight years, Modus Create transformed a monolithic SaaS platform into a cloud-native, AI-enabled system — without disrupting the customers who relied on it every day.

  • 99.99% uptime during modernization
  • 60% decrease in average response time
  • 90% reduction in manual reviews with AI
Cinema chain modernizes legacy apps without disruption

Retail / Entertainment

Cinema chain modernizes legacy apps without disruption

Three separate codebases. One Ionic React application. Using Ionic Portals and Single SPA, Modus Create ran a live, incremental migration across 19 sprints — with zero downtime and no impact on customers.

  • 3 legacy codebases fully consolidated
  • Full feature parity across web, iOS, and Android
  • Business operations maintained throughout the entire migration

OUR EXPERIENCE

Making an impact

Projects completed
Years of experience
Open source contributions and counting

Use left and right arrow keys to navigate testimonials.

"A lot of startups would benefit from the experience Modus Create brought to the table. It has set a very solid foundation on which we can grow now."

Thomas
Thomas Hufener
CEO at Kaiko

OUR PARTNERS

Get access to the world's leading technology partners

As official partner to the world's largest technology companies, we bring you deep expertise across your software development cycle.

Atlassian logo
AWS logo
Cloudflare logo
Google Cloud logo
Azure logo
Aha logo
InfluxData logo
Ionic logo
LaunchDarkly logo
Miro logo
Pendo logo
Radar logo
Snyk logo

LET'S GET STARTED

Talk to Modus Create

Big challenges need bold partners. Let’s talk about where you want to go — and start building the path to get there.

FROM THE BLOG

Modernization insights from the field

Practical guidance on application modernization, cloud migration, and technical debt, from engineers and strategists who've done it.

Legacy system modernization: common questions

Legacy System Modernization Services | Modus Create