Turn outdated systems into assets with app modernization services

We deliver app modernization services that reengineer outdated applications for better performance, scalability, and user experience, aligned with your business goals and ROI.

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Our app modernization services

Modernize Your Data Center

We help you migrate and modernize your database and data center, unlocking the power of cloud services and cutting-edge architectures.

Integration Services

Modernize your infrastructure for seamless collaboration. Our integration services bridge the gap between your applications, streamlining data flow and eliminating inefficiencies.

Compliance & Security Upgrades

Modernize for peace of mind, rest assured your data is safe. Our compliance and security updates service ensures your applications meet industry standards and mitigate vulnerabilities.

Application Assessment & Code Audit

Application Assessment & Code Audit

We evaluate your application’s code quality, architecture, and dependencies to identify risks, inefficiencies, and the best modernization approach.

Cloud Migration & Optimization

Cloud Migration & Optimization

We rehost, replatform, or refactor your legacy systems for the cloud — improving scalability, performance, and cost efficiency through cloud app modernization.

Monolith to Microservices Conversion

Monolith to Microservices Conversion

We break down rigid monolithic applications into modular, independently deployable microservices for agility, scalability, and easier maintenance.

UI/UX Modernization

UI/UX Modernization

We redesign outdated user interfaces and workflows to deliver modern, intuitive, and seamless user experiences that meet current expectations.

DevOps Enablement & CI/CD Integration

DevOps Enablement & CI/CD Integration

We help you adopt DevOps practices and integrate CI/CD pipelines to automate deployments, streamline infrastructure, and accelerate release cycles.

Types of applications we modernize

Legacy desktop and mainframe applications

We modernize legacy desktop and mainframe systems to make them cloud-ready, scalable, and easier to maintain, extending their business value while cutting operational costs.

Monolithic apps

Our modern application engineering services break down rigid monolithic apps into modular, microservices-based architectures that are agile, scalable, and future-ready.

Mobile and web apps

We update outdated mobile and web apps with modern frameworks, improved performance, and better user experiences to keep up with evolving customer expectations.

Industry-specific systems

We specialize in modernizing critical, industry-specific systems, from core banking platforms to healthcare records and logistics management, ensuring compliance, reliability, and scalability.

Fool-proof 4-pronged app modernization strategy

01

Discovery & Planning

We assess your current systems, define business goals, and create a tailored app modernization roadmap that aligns with your objectives and timelines.

02

Architecture Redesign

We reimagine your application’s architecture, choosing the right patterns and technologies to improve scalability, maintainability, and integration.

03

Agile Development & Testing

The modernization starts in iterative sprints, applying agile practices and rigorous testing to deliver high-quality, reliable software at every stage.

04

Deployment & Support

We deploy your modernized application with minimal downtime and provide ongoing support to ensure it performs optimally as your business evolves.

Key benefits of our app modernization services

Improve usability with superior UX

Outdated interfaces frustrate users and discourage adoption. We re-engineer applications to make them intuitive, visually appealing, and optimized for engagement. Benefit from happier users, increased adoption, and a boost to your bottom line.

Better performance and scalability

Legacy systems are not cut out for today’s dynamic and fast-paced business landscape. We migrate you to a secure, scalable cloud environment, giving you the agility and flexibility to adapt to any business challenge. Operate without constraints.

Reduced maintenance and operational cost

Outdated applications maintenance is both time-consuming and expensive. We’ll transform your application into a more lightweight system using a SAAS delivery model. This reduces maintenance complexity, eliminates the need for expensive infrastructure, and allows for easier updates.

Enhanced security and compliance

Modernizing your applications helps you close security gaps inherent in legacy systems and align with current compliance standards like GDPR, SOC 2, or PCI DSS. Up-to-date architectures, encryption, and access controls reduce risk and protect sensitive data, keeping your business secure and audit-ready.

Faster deployments

Traditional development cycles often involve lengthy freezes; potentially costing revenue. Our team of skilled experts help you implement a robust CI/CD (Continuous Integration/Continuous Delivery) pipeline. This automated process allows for faster releases without interrupting ongoing operations.

Integration with modern tech stacks

Legacy applications often struggle to work with modern tools and platforms.
We redesign your systems with APIs and modular architectures to enable smooth integration with cloud, mobile, and analytics solutions. This creates a flexible, future-ready foundation that evolves with your business.

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Project-based Development

Streamline your projects with minimal risk, ensuring top-notch quality and timely, on-budget delivery.

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Dedicated Teams

Accelerate your projects with our expert team, combining technical prowess and management skills for seamless collaboration and success.

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Our application modernization stats

Modern business require even modern solutions. We have re-engineered so many applications.

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75+

Projects

5

Rating

90+

Expert engineers

15+

Industries

Modernization journeys that earned us a solid reputation

View all Work
caribbean-airlines

Helped a fashion design brand move from an outdated and inefficient Visual Basic system to a modern, user-friendly solution that minimizes errors and boasts a visually appealing interface.

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Facing the obsolescence of their Flash-based marketing attribution software, Nielsen, with vast data needs, trusted Code District for a modernization to Angular 8.

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BVC ditched its old survey system by leveraging Clojure's functional programming for a robust training & assessment platform used by large organizations (1000+ employees) to build values-driven cultures.

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Helped a water treatment company to increase its sales by completely revamping its water management solution.

FAQs: App Modernization Services

What is app modernization services?

App modernization is the process of upgrading and optimizing legacy software to meet current business, user, and technology needs. It ensures your applications stay scalable, efficient, and aligned with modern platforms.

What is the difference between app modernization and rebuilding?

App modernization upgrades your existing application’s architecture and technology without starting over, while rebuilding means creating a new application from scratch. Modernization is faster and more cost-effective when your current system still holds business value.

How long does an app modernization project take?

The timeline depends on your application’s size, complexity, and the chosen modernization strategy. Most app modernization projects take anywhere from a few weeks for small apps to several months for enterprise-scale systems.

What are the signs that my legacy system needs modernization?

Common signs include high maintenance costs, slow performance, poor user experience, difficulty integrating with modern tools, and lack of support for cloud or mobile platforms. These indicate your system may benefit from app modernization services.

Can I modernize without migrating to the cloud?

Yes. While many businesses choose cloud app modernization for scalability, you can also modernize on-premises by improving architecture, updating frameworks, and enhancing usability, depending on your goals.

What’s the ROI of app modernization services?

App modernization delivers ROI through reduced maintenance costs, improved performance, better scalability, enhanced user experience, and faster time-to-market — all of which drive business growth and customer satisfaction.

What are app re-engineering services?

App re-engineering services (also called application re-engineering) involve analyzing, redesigning, and modernizing outdated applications. The goal is to improve usability, performance, and maintainability while preserving the core business logic.

How is app modernization different from digital transformation?

App modernization focuses specifically on updating software systems. Digital transformation is a broader initiative that changes how a business operates and delivers value, often including processes, culture, and customer engagement.

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Sales and general inquires

sales@codedistrict.com

“Code District successfully launched our application on time. The team worked hard, adjusted to our schedule, and ensured our requests were turned around very quickly. They asked the right questions, used sound judgment, and made consistent progress, demonstrating strong technical skills and a driven attitude.”

joel cumming
Joel Cumming CTO, Skywatch