Modernizing Legacy Systems with AI-Driven Cloud Transformation
Legacy systems and mainframes have long been the backbone of enterprise IT, but in today’s fast-paced digital economy, they often stand in the way of innovation, agility, and cost efficiency. Modernizing these systems is no longer a luxury—it’s a strategic imperative. At Publicis Sapient, we harness the power of AI-driven automation and cloud transformation, particularly through our partnership with Google Cloud, to help organizations accelerate legacy modernization, reduce technical debt, and unlock new business value.
The Challenge: Legacy Systems as Barriers to Progress
Outdated mainframes and monolithic applications can slow down business processes, increase operational costs, and expose organizations to security and compliance risks. Manual code refactoring, complex migrations, and the need for continuous uptime make modernization a daunting task. Many organizations are also burdened by technical debt, which limits their ability to innovate and respond to changing market demands.
The Solution: AI-Powered Automation Meets Cloud-Native Agility
Publicis Sapient’s approach to legacy modernization is rooted in intelligent automation and cloud-native transformation. By leveraging AI-powered tools and Google Cloud’s robust infrastructure, we enable organizations to:
- Automate Code Refactoring: AI-driven automation accelerates the transformation of legacy codebases, reducing manual effort and minimizing errors. This includes converting monolithic applications into modular, cloud-native microservices, and automating documentation and testing for greater reliability.
- Streamline Mainframe-to-Cloud Migration: We move legacy workloads to scalable cloud platforms, converting business logic into modern architectures and replacing batch jobs with real-time, event-driven processes. This transition is orchestrated to minimize disruption and ensure business continuity.
- Implement Secure CI/CD Pipelines: Automated, AI-driven testing and deployment pipelines reduce defects, accelerate delivery, and provide end-to-end visibility. Real-time monitoring and observability are built in, ensuring performance and reliability at every stage.
- Embed Zero-Trust Security: Security is integrated from the ground up. We leverage Google Cloud’s enterprise-grade security stack to encrypt data, manage access, and automate compliance with leading standards such as SOC 2, ISO 27001, HIPAA, and GDPR. Zero-trust principles ensure least-privilege access and continuous verification across all layers.
Measurable Outcomes: Faster, Smarter, and More Secure Modernization
Organizations that partner with Publicis Sapient for AI-driven cloud transformation realize tangible business benefits:
- Reduced Modernization Costs: Automation and reusable components significantly lower the cost and effort required to modernize legacy systems.
- Accelerated Migration: AI-powered tools enable up to 3x faster migration, minimizing business disruption and accelerating time-to-value.
- Improved Maintainability: Modernized codebases are easier to maintain, enhance, and scale, freeing up IT teams to focus on innovation.
- Enhanced Security and Compliance: Built-in security controls and automated compliance checks reduce risk and ensure adherence to regulatory requirements.
- Continuous Innovation: Cloud-native architectures and automated pipelines enable rapid iteration, faster release cycles, and ongoing improvement.
Real-World Impact: Transforming Legacy at Scale
A leading benefits provider partnered with Publicis Sapient to accelerate the modernization of its mainframe applications. By designing a process for cloud developers to use private AI models to deconstruct legacy programs, the organization achieved a threefold increase in migration speed and reduced manual effort. The result was a modern, maintainable codebase with improved traceability and quality—enabling greater agility and lower operational costs.
Similarly, across industries such as financial services, healthcare, and energy, Publicis Sapient has delivered:
- 105% increase in session duration and 35% faster page loads for a multinational insurance company through end-to-end cloud architecture and automated resource management.
- 45% faster query results and seamless integration of over 200 data pipelines for a global energy provider by migrating supply chain data to the cloud.
- Zero downtime and 50% faster migration for a major financial institution, thanks to reusable components and automation.
Why Publicis Sapient + Google Cloud?
With over 20 years of enterprise transformation experience, Publicis Sapient brings deep expertise in AI, cloud-native engineering, and security-first design. Our partnership with Google Cloud ensures access to cutting-edge AI and automation capabilities, robust security, and scalable infrastructure. We offer:
- Proven Modernization Expertise: End-to-end enablement from mainframe migration to CI/CD automation.
- AI & Cloud-Native Leadership: Harnessing AI to accelerate efficiency and innovation.
- Security-First Approach: Enterprise security, zero-trust models, and compliance automation at every stage.
- Seamless Service Integration: From secure web access and load balancing to observability and managed services, we deliver a unified modernization journey.
Ready to Modernize?
Modernizing legacy systems with AI-driven cloud transformation is the key to reducing technical debt, lowering costs, and enabling continuous innovation. With Publicis Sapient and Google Cloud, organizations can confidently accelerate their digital transformation, future-proof their IT landscape, and realize measurable business outcomes—faster, smarter, and more securely than ever before.
Discover how Publicis Sapient can help you unlock the full potential of your legacy systems and build a future-ready, cloud-native enterprise.