Grape Up delivers end-to-end legacy modernization—from feasibility analysis, through implementation to rollout—guiding every step with proven tools, a structured process, and deep enterprise experience.
G.Tx – modernization
platform
Comprehensive system knowledge, easily accessible via AI assistants to accelerate delivery.
G.Tx was built specifically to support legacy modernization effort.
AI-Assisted modernization process
A proven agile approach tailored for large-scale modernization, supported by AI to streamline lower-complexity coding and testing tasks.
Our modernization process is designed for large enterprise teams to iteratively modernize code with the support of GenAI.
Proven track record with complex enterprise systems
Decades of hands-on experience modernizing large, mission-critical applications in enterprise environments.
We leverage years of experience in migrating large legacy systems into modern cloud-native architectures. Our DevOps approach is crafted to ensuring systems run in production.
We focus on understanding both legacy and emerging system requirements, using AI-assisted Agile development to accelerate complex delivery processes.
Our approach: Three key phases
Reverse engineer for deep understanding
We reconstruct functional and technical specs directly from code—eliminating reliance on fragmented human knowledge.
Create a comprehensive knowledge base
AI-powered tools extract business logic and dependencies to create a shared knowledge hub for product, development, and support teams.
Accelerate with AI-assisted Agile development
We accelerate modernization with AI-assisted agile practices, and intelligent chatbots that give teams instant system insight—speeding up delivery and keeping focus on what matters.
G.Tx – Modernization platform
G.Tx Understand
Reverse engineered System Functional Analysis, delivering Business Requirements and Technical Design.
G.Tx Knowledge Hub
Knowledge Hub with all Project related information – from BRD, through technical design and user guide instructions.
G.Tx Developer Assistant
A developer chatbot connected to Project Knowledge Base, capable to answering Developer questions about legacy code, design, dependencies.
G.Tx User Assistant
An User Guide chatbot connected to Project Knowledge Base, capable to explaining how product works and how to operate it.
Modernization process
How we address key modernization challenges
Lack of Knowledge & Architecture Complexity
The critical Understand phase, supported by G.Tx, enables deep analysis of the legacy system’s complexity and functionality. It ensures continuous knowledge capture and retention for the emerging system. G.Tx gives teams access to forgotten or fragmented domain, architectural, and technical knowledge.
Ensuring Business Continuity
Our proprietary modernization approach maintains uninterrupted operations of both legacy and new systems while facilitating smooth user migration. The G.Tx Knowledge Hub ensures ongoing access to domain knowledge, supporting rapid onboarding and training of end users.
Costs and Resource Allocation
Our Agile modernization process, powered by G.Tx and GenAI tools, ensures optimal team allocation and efficient collaboration. The G.Tx Developer Assistant boosts productivity of engineering teams, while the G.Tx User Assistant enhances end-user effectiveness and work quality.
Data Migration Complexity
Throughout the migration process, data structure and complexity are continuously analyzed with the support of G.Tx, ensuring smooth and accurate data handling.
System Integrations
Knowledge gathered and stored in the G.Tx Knowledge Hub enables mapping and visualizing integrations between the legacy system and its ecosystem. Newly acquired knowledge about the modern system is also captured in G.Tx, significantly supporting the integration process.
Testing and Validation
Insights stored in the G.Tx Knowledge Hub allow for automated test documentation generation. Combined with GenAI tools, this enables efficient test case creation and execution for the new system. The G.Tx User Assistant also supports end users in conducting acceptance and integration testing.
Why our approach mitigates risk and builds confidence
Unlock Hidden Business Logic & Dependencies
G.Tx platform allows to automatically extract logic, workflows, and dependencies from legacy systems, reducing reverse engineering effort and accelerating system understanding.
Centralize Knowledge Across Teams
G.Tx platform creates a continuously evolving Knowledge Hub, shared across product, development, and support teams — ensuring alignment and minimizing knowledge loss.
Accelerate Delivery with GenAI
Developer and user assistants streamline work: automating documentation, speeding up testing, and enabling faster onboarding and task execution.
Ensure Business Continuity
G.Tx platform supports phased modernization, allowing old and new systems to coexist while enabling seamless user migration and minimizing operational disruption.
Simplify Data Migration & Integration
Visualize dependencies between components and systems to de-risk migration and ensure accurate, efficient integration with the broader ecosystem.
AI-Assisted Agile proven process
Our modernization process combines a proven Agile approach with the power of GenAI, designed specifically for large enterprise environments. It enables organizations to iteratively modernize legacy systems while maintaining control, visibility, and speed.
DevOps Enablement and Legacy Modernization
Manufacturing
Modernizing Legacy Architecture Drove a Substantial 82% Reduction in Operational Expenses
Automotive
Modernizing Large Order Management Platform to Ensure Regulatory Compliance
Finance
Recovering Critical Knowledge from a Legacy System Through Reverse Engineering and Modernization
Car Rental
Transformation of a Core Mission-Critical Legacy Product
Computer Software