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Delphi to Java Migration
Move from Legacy Delphi Systems to Scalable and Controlled Java Services
Corsac converts Delphi to Java while development continues in parallel. We refactor the architecture and address the typical legacy issue where Delphi logic is buried in forms, event handlers, and Windows-bound components.
We deliver predictable releases and help reduce technical debt early, before it starts to slow teams down or impact revenue.
Certifications and regulations we’re compliant with
Timing Matters
Top Reasons to Convert Delphi Applications to Java
■Your Delphi desktop apps break when Windows updates or hardware changes
■Your team’s key talent faces burnout with constant fixing
■Your Delphi architecture limits integrations with APIs, ERP, BI as well as cloud and AI adoption
■Your Delphi systems miss modern encryption and logging required for compliance under GDPR, HIPAA, SOC2, or ISO
■You spend the budget on maintenance and bug fixing, not innovating
Migration Success Stories: Real Results from Converting Delphi to Java
For over 18 years, the Corsac team has helped convert Delphi to Java systems across GIS, construction, healthcare, AI, media, and others. We specialize in controlled modernization of desktop-heavy, UI-bound legacy systems into maintainable, future-ready Java architectures.
From Business Perspective
● Remove Windows lock-in without stopping daily operations● Cut modernization risk with phased migration, not a big bang● End release freezes caused by brittle Delphi components● Improve hiring and vendor options by moving to the Java ecosystem● Lower hidden maintenance costs from patches and outdated tools
● Open new channels: web access, remote use, integrations, analytics
● Give leadership a clear roadmap with predictable milestones
From Technical Perspective
● Pull business logic out of the Delphi UI into Java services● Replace COM/ActiveX with Java libs, vendor APIs, microservices, or events● Shift to an API-first design (REST or GraphQL where suitable)● Add structured state management (stateless services, defined sessions)● Standardize transactions, errors, and system observability● Modernize data access with ORM/DAO and tuned queries● Set up CI/CD, test coverage, and incremental releases
Let’s plan your Delphi to Java migration in a 30-minute call
Talk to experienced migration engineers who will help you move from legacy Delphi systems to a scalable, secure Java architecture with minimal risk and downtime.
Delphi to Java Migration Services to Modernize Legacy Applications
Our approach relies on incremental, parallel migration, allowing Delphi and Java coexist with minimum disruption. Corsac team plugs into your Git workflow, CI/CD setup, security rules, and release rhythm and operates with minimal load on your in-house team.
Delphi VCL/FMX UI Migration to Java (WinForms/WPF/MAUI)
We modernize Delphi UIs by decoupling them from business logic. This keeps user workflows intact while removing VCL/FMX lock-in. The new Java-based UI is stable, maintainable, and ready to evolve. We also replace embedded SQL with structured data access in Java, validating behavior against real production scenarios.
API & Integration Modernization
We expose Delphi functionality through reliable, secure APIs, replacing fragile desktop integrations. This opens the door to ERP, BI, cloud services, and future AI use cases. All changes roll out gradually, keeping current operations steady.
4 Steps to Successfully Convert Delphi Applications to Java
Step 1. Assess & Plan the Conversion
We analyze Delphi forms, modules, VCL usage, COM/ActiveX links, data flows, and undocumented logic. Based on data received, we form a report that defines what must be preserved, refactored, or replaced before Java work begins.
Step 2. Convert Core Logic and Libraries
We extract business logic from forms and event handlers and rewrite them into Java services and libraries. This removes hidden coupling, global state, and order-sensitive logic but keeps consistent and verifiable performance.
Step 4. Test, Optimize, and Release
We document the new structure, explain architectural decisions, test behavior before release, and innovate incrementally. Corsac team transfers knowledge to your developers so they can maintain and extend the Java system without relying on us long-term.
Why Corsac Is a Trusted Partner for Delphi Migration and Modernization
Modernization is our core specialization
We aren’t a full-stack agency. We’ve built our team, processes, and tech strategy specifically to tackle legacy issues and help mid-market players scale and innovate.
Integration vs. Disruption
We integrate with your workflows, minimizing interference with your developers. While utilizing your Git, CI/CD, and tools, we operate independently, letting your team focus on their work.
Identification of hidden expenditures
Your aging system drains your business resources through slow hiring, security gaps, and delayed launches. We reduce these “dark tech debt” losses before they impact your revenue.
Respect for Existing Architecture and Leadership
We treat your system efficiently: evolve the functioning parts and replace only the ones that require change.
Fighting Tech Stagnation
Modernization efforts will be ineffective if the core issue is institutional rigidity. We reveal hidden limits and help grow with flexibility.
AI & Emerging Tech EnablementAI
We remove legacy barriers preparing your systems for advanced tech. You can embrace new tools with the future-ready and ROI-driven architecture.
Corsac’s Experts
Most Outsourcing Vendors
Corsac’s Experts
Corsac’s Experts
Most Outsourcing Vendors
Most Outsourcing Vendors
☑ Professional Tech Stagnation BreakersWe focus on modernization for companies unable to grow due to aging systems.
☒ Focus on Delivery vs. Your Business GoalsThey fulfill your task without seeking to address the issue at the root.
Corsac’s Experts
☑ Professional Tech Stagnation BreakersWe focus on modernization for companies unable to grow due to aging systems.
Most Outsourcing Vendors
☒ Focus on Delivery vs. Your Business GoalsThey fulfill your task without seeking to address the issue at the root.
☑ Architecture and LeadershipWe replace only what must be changed, protecting your investment and CTO’s credibility.
☒ Lack Domain ExpertiseDispersing the focus, they fail to meet specific Healthcare G and other industry requirements.
Corsac’s Experts
☑ Architecture and LeadershipWe replace only what must be changed, protecting your investment and CTO’s credibility.
Most Outsourcing Vendors
☒ Lack Domain ExpertiseDispersing the focus, they fail to meet specific Healthcare G and other industry requirements.
☑ Compliance From Commit to ProductionHIPAA, HL7/FHIR, SOC2, GDPR, ISO compliance is integrated into every stage.
☒ Apply a Standardized Modernization ApproachGeneralized practices, regardless of the product, team, or business specifics.
Corsac’s Experts
☑ Compliance From Commit to ProductionHIPAA, HL7/FHIR, SOC2, GDPR, ISO compliance is integrated into every stage.
Most Outsourcing Vendors
☒ Apply a Standardized Modernization ApproachGeneralized practices, regardless of the product, team, or business specifics.
☑ Integration over DisruptionIntegrating into your Git, CI/CD, and workflow tools, we make modernization visible, testable, and traceable.
☒ Disregard Your Legacy OpportunitiesInitiate full rewrites instead of using the working parts and considering business context.
Corsac’s Experts
☑ Integration over DisruptionIntegrating into your Git, CI/CD, and workflow tools, we make modernization visible, testable, and traceable.
Most Outsourcing Vendors
☒ Disregard Your Legacy OpportunitiesInitiate full rewrites instead of using the working parts and considering business context.
☑ Getting Rid of “Dark Tech Debt”We uncover hidden costs, feature delays, and security gaps and offer ways of their removal.
☒ Lack integration with your teamInsufficient collaboration leads to poor handover, with documentation debt and weak enablement.
Corsac’s Experts
☑ Getting Rid of “Dark Tech Debt”We uncover hidden costs, feature delays, and security gaps and offer ways of their removal.
Most Outsourcing Vendors
☒ Lack integration with your teamInsufficient collaboration leads to poor handover, with documentation debt and weak enablement.
☑ Modernization that Fuels LeadershipBy providing CEOs stakeholder-ready roadmaps and progress metrics, we enable well-grounded transformation.
☒ Code-First MindsetDevelopment happens in isolation, prioritizing code delivery over actual business value.
Corsac’s Experts
☑ Modernization that Fuels LeadershipBy providing CEOs stakeholder-ready roadmaps and progress metrics, we enable well-grounded transformation.
Most Outsourcing Vendors
☒ Code-First MindsetDevelopment happens in isolation, prioritizing code delivery over actual business value.
Industries We Work In
FAQ
Why should we migrate our Delphi system to Java?
Delphi apps rely on Windows desktops, fragile components, and tightly coupled code. Migrating to Java removes platform lock-in, reduces hidden maintenance costs, and opens new channels like web access, integrations, and analytics. We keep your workflows stable and your systems secure and compliant.
How do you minimize risk during migration?
Corsac team follows an incremental, parallel approach. Delphi and Java systems run side by side, so operations continue uninterrupted. Releases stay predictable, and modernization happens in phases, always with a rollback option. With us, migration is never a risky “big bang.”
How does the migration impact our IT team?
Corsac integrates into your Git workflow, CI/CD pipelines, security policies, and release cadence. We convert Delphi code independently while documenting and transferring knowledge so your engineers can maintain and evolve the system post-migration.
Can you modernize the UI?
Yes. We migrate Delphi VCL/FMX UIs to modern Java frameworks (desktop, mobile, or cross-platform) while decoupling business logic from the interface. The result is a maintainable UI that remains familiar to your users and evolves without breaking core business rules.
What makes Corsac different from other migration teams?
Our Delphi to Java migration services are not only updating the code but rethinking the processes that hold your business back. With over 18 years of experience, we have been creating applications that easily scale. We foster independent maintenance, but if you need post-release support, our team is always here to help.
Contacts
Contact Us Now for Seamless Software Modernization.
Ready to experience the Corsac Technologies difference?
Don’t let outdated systems slow your business down – connect with us today and let our experts transform your legacy software into modern, high-performing solutions. Schedule a consultation with our specialists now!
Modernization Experts
+1 416 505 4524moc.hcetcasroc%40ofni
Where to Find Us
Canada HQ: 16 Yellow Birchway, North York, ON, Canada M2H 2T3
U.S. Correspondence Address: 30 N Gould St #11138, Sheridan, WY, USA 82801
Ready to Upgrade Your Legacy System?
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