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CTO-led Application Modernization for Legacy Systems

From roadmap to rollout, our FCTO owns it all.

Your legacy systems aren’t just slow, they’re bleeding money, blocking growth, and draining your best talent. Red Corner brings in a battle-tested FCTO who’s done this at scale. No layers, no delays, just aggressive execution. We modernize like a startup with everything on the line, but with the discipline enterprise demands. Fast results, zero tolerance for waste, and a clear path to ROI.

Our Expertise in Application Modernization

Application modernization isn't about rewriting code. It's about removing what's slowing you down and building only what moves your business forward. Red Corner embeds a fractional CTO and engineering team directly into your company, no handoffs, no layers. We don’t consult; we build.

This is like embedding a startup inside your org. We move fast, make decisions with you, and ship updates on a real cadence. Everything we do is tied to measurable outcomes: faster delivery, lower cost of change, reduced downtime, and clearer paths to revenue.

We use transitional architecture to avoid risky rewrites and keep systems operational while we modernize. No bloat. No theory. Just execution that compounds release after release.

We've broken monoliths, scaled platforms, rebuilt architectures, and shortened go-to-market timelines. Whatever’s holding your business back, we’ve likely fixed it before. And we’ll do it with you.

The Red Corner Approach

Red Corner doesn’t advise from the sidelines, we lead from within. Your FCTO has rebuilt aging platforms under pressure, launched products on impossible deadlines, and delivered modernization under real-world constraints. We don’t waste months on decks and discovery. We move fast, prioritize hard, and execute with clarity. The goal isn’t a better roadmap, it’s a faster time to value. Modernization should accelerate your business, not slow it down.

Foundational

At Red Corner, we build modernization foundations the right way using transitional architecture that lets us modernize in motion. No risky big-bang rewrites. Instead, we establish a modular, replaceable system alongside your existing one, allowing us to release incremental updates on a steady cadence. This approach avoids long testing cycles, minimizes downtime, and exposes risks early so you get value faster and avoid nasty surprises later. It’s how mature organizations modernize without breaking their business.

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Evolution

Once the new architecture is in motion, we don’t stop, we optimize. Your FCTO analyzes usage patterns, cost-performance metrics, and business feedback to identify the next high-impact changes. We evolve the system with real-time learning: deprecate what’s dragging, double down on what’s working. Every release is a chance to improve. And with a modernization strategy rooted in ROI, we don’t just evolve the stack, we evolve how your business moves.

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Growth

Growth isn’t an afterthought, it’s built in. During the foundational phase, we intentionally design the system with future evolution in mind. Modular services, flexible data models, and clean separation of concerns mean your team can extend features, launch new products, or scale to new markets at a fraction of the cost and time. With Red Corner, modernization isn’t just a technical milestone, it’s the start of a more agile, growth-ready business.

I’ve seen a lot of modernization projects fail. Not because the technology was wrong, but because the strategy was pure fantasy.

Projects like Canada’s Phoenix Pay System, the UK NHS records overhaul, and even Starbucks' payment crash all had something in common: big-bang rollouts planned in sterile boardrooms, divorced from the reality of how software actually lives and evolves. They looked great in presentations. They failed in production. People paid for it, in downtime, in lost revenue, and in shattered trust.

As a seasoned CTO, I know why that happens. You can’t modernize software like it’s a lab experiment. You can’t lock your engineers in a room for 18 months and expect a flawless system to emerge. The world moves too fast. Requirements change. Teams shift. Code gets stale before it’s even shipped.

At Red Corner, we do it differently. We bring the startup approach: lean, live, integrated. Our FCTO and engineering team embed directly into your company. We modernize while the system runs, not after it’s paused. We build module by module, releasing when it’s safe, when it makes sense, and always in alignment with your operational rules.

We start where it matters most, the core business logic. We rebuild critical functionality in a modern stack and plug it into the existing system. Then we repeat. Slowly, your legacy platform becomes the wrapper, not the engine. Once the product is already delivering value, we give it the UI and UX facelift it deserves. But by then, it’s not risky. It’s routine.

This isn’t theory. This is how we’ve done it. This is how we will do it with you.

No PowerPoint. No promises. Just working software, every step of the way.

Oshri Cohen
Founder, Red Corner

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Expert Guidance

Our FCTOs have led modernization from both sides. They’ve grown and scaled companies the enterprise way, navigating budget cycles, compliance, and cross-team complexity. Now, they bring that experience to modernize your systems the startup way: lean, fast, focused, and driven by outcomes, not meetings. They’ve done this under pressure, with real revenue on the line. You’re getting a leader who knows what it takes to evolve at scale and move like a startup while thinking like an enterprise.

Continuous Support

Red Corner doesn’t disappear once the system is live. Your FCTO stays connected, whether that means daily standups, weekly strategy calls, or remote oversight to keep your systems running clean and fast. We’re not here to hit a milestone and move on. We’re here to ensure what we built keeps working, keeps scaling, and keeps delivering value. Support is part of our model, not an afterthought.

Tailored Solutions

No template, no boilerplate, no “industry best practices” jammed into your business. Your FCTO starts with how you actually operate, your team, your constraints, your growth goals. From there, we architect solutions that respect your uniqueness and build for your reality. That’s how we avoid surprises, earn trust, and deliver systems that work, not just in theory, but in your day-to-day.

Innovative Approach

Innovation isn’t a buzzword here, it’s a survival skill. Our FCTOs come from startup battlefields where solving the problem fast meant staying in business. That means we bring creativity, pragmatism, and speed. Sometimes that’s a breakthrough solution no one else would consider. Sometimes it’s a blunt fix to keep things moving. Either way, we don’t get stuck in theory. We act. Because in modern systems, every delay costs money, and your business doesn’t have time to wait.

Our CTOs are available for you today!

Our Expertise in Application Modernization

Red Corner brings you more than advice. We deploy a fractional CTO who’s modernized complex systems before, alongside a focused engineering team ready to execute. They don’t need onboarding. They don’t need babysitting. They come in, assess what’s broken, and start shipping fixes and features fast. This is not theoretical leadership, it’s embedded execution by people who’ve built real products under pressure.

Breaking the Monolith Without Breaking the Business

We’ve seen how fragile monoliths can be and how destructive rushed rewrites usually are. Our FCTOs take a surgical approach: we break apart what’s holding you back, but preserve what’s working. Using transitional architecture, staged rollouts, and careful dependency mapping, we replace brittle components without disrupting daily operations. You don’t lose uptime, and you don’t lose momentum. You just get a cleaner, more agile system without the risk of a system-wide failure.

Delivering Fast Iteration in Enterprise Settings

Enterprises aren’t built for speed, but your modernization can be. Our FCTO leads with a lean engineering team that can work alongside yours or run independently. Together, we bring startup-level iteration into complex, process-heavy environments. We align with your governance models without getting tangled in them, setting up release pipelines and dev practices that let you move faster without losing control. It’s not about skipping process, it’s about designing for velocity inside the walls you already operate in.

Modernization With Measurable ROI

Writing modern code means nothing if it doesn’t move the business. At Red Corner, modernization is driven by financial impact. We focus on metrics that matter, time to market, cost per release, platform uptime, customer experience, not just cleaner code. Your FCTO ensures every technical decision ties back to growth, efficiency, or scalability. Because new code without new value is just overhead.

Let’s Modernize Your Legacy System - The Right Way

TELEPHONE. 514-777-3883

Founded with Love in Montreal, Canada, but operates around the world :-)

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FAQ


1. What is application modernization?


Application modernization is the process of updating legacy software systems to align with current business needs and technologies. This includes improving performance, scalability, and maintainability by adopting modern architectures, frameworks, and practices. At Red Corner, we focus on transforming your applications to be more agile, efficient, and aligned with your strategic goals.


2. Why should we consider application modernization?


Modernization enhances system efficiency, reduces maintenance costs, improves user experience, and enables integration with modern technologies, ensuring your business stays competitive and agile. Red Corner ensures that modernization efforts are directly tied to measurable business outcomes, such as increased revenue and reduced operational costs.


3. How does Red Corner approach application modernization differently?


Red Corner embeds a fractional CTO and a dedicated engineering team within your organization, ensuring a hands-on, integrated approach that focuses on delivering measurable business outcomes, not just technical upgrades. Our team works closely with your stakeholders to ensure that every modernization effort aligns with your company’s strategic objectives.


4. What are the risks of not modernizing legacy systems?


Risks include increased maintenance costs, security vulnerabilities, inability to integrate with new technologies, and reduced agility in responding to market changes. Over time, these issues can lead to decreased customer satisfaction and lost revenue opportunities.


5. How do you ensure minimal disruption during the modernization process?


We employ transitional architectures and phased rollouts, allowing for continuous delivery and integration without significant downtime or disruption to your operations. This approach ensures that your business continues to operate smoothly while modernization efforts are underway.


6. Can Red Corner work with our existing IT team?


Absolutely. Our team collaborates closely with your internal staff, providing leadership and expertise while ensuring knowledge transfer and alignment with your business objectives. We aim to augment your team’s capabilities, not replace them.


7. What is the typical timeline for an application modernization project?


Timelines vary based on project scope and complexity, but our iterative approach ensures that you start seeing value early in the process, with continuous improvements delivered regularly. We work with you to establish realistic timelines that align with your business needs.


8. How do you measure the success of a modernization project?


Success is measured by improvements in key performance indicators such as system performance, user satisfaction, maintenance costs, and the ability to quickly adapt to new business requirements. We also track metrics like time-to-market and return on investment to ensure that modernization efforts deliver tangible business value.


9. What technologies do you use in modernization projects?


We utilize a range of modern technologies, including microservices architectures, cloud platforms, containerization, CI/CD pipelines, and modern programming languages and frameworks. Our technology choices are tailored to your specific business needs and goals.


10. Is application modernization cost-effective?


Yes. While there is an upfront investment, modernization reduces long-term costs by improving system efficiency, reducing maintenance needs, and enabling faster deployment of new features. This leads to increased revenue and a better return on investment over time.


11. How do you handle data migration during modernization?


We plan and execute data migration carefully, ensuring data integrity and minimal disruption. This includes data mapping, validation, and testing as part of the modernization process. Our approach ensures that your critical business data remains secure and accessible throughout the transition.


12. Can you modernize applications built on outdated technologies?


Yes. Our team has experience in modernizing applications built on a variety of legacy technologies, transforming them into modern, scalable solutions. We assess your current systems and develop a tailored modernization strategy that aligns with your business objectives.


13. What industries do you specialize in?


We have experience across various industries, including finance, healthcare, retail, and manufacturing, tailoring our approach to meet specific industry requirements and regulations. Our team understands the unique challenges and opportunities within each sector.


14. Do you provide post-modernization support?


Yes. We offer ongoing support and maintenance services to ensure your modernized applications continue to perform optimally and adapt to evolving business needs. Our support includes monitoring, updates, and continuous improvement initiatives.


15. How do you ensure security during modernization?


Security is integrated into every phase of our modernization process, from design to deployment, ensuring compliance with industry standards and protection against vulnerabilities. We conduct regular security assessments and implement best practices to safeguard your systems.


16. What is a fractional CTO, and how does it benefit us?


A fractional CTO provides strategic technology leadership on a part-time or project basis, offering the expertise of a seasoned CTO without the cost of a full-time executive. This allows your organization to benefit from high-level guidance and oversight during the modernization process.


17. How do you prioritize features during modernization?


We work with stakeholders to identify and prioritize features based on business value, user needs, and technical feasibility, ensuring the most impactful improvements are delivered first. This approach ensures that modernization efforts align with your strategic goals.


18. Can you help us with cloud migration as part of modernization?


Yes. Cloud migration is often a key component of modernization, and we have extensive experience in migrating applications to various cloud platforms securely and efficiently. We ensure that your applications are optimized for the cloud environment.


19. What is your experience with regulatory compliance?


We understand the importance of compliance and ensure that modernized applications meet relevant regulatory requirements, including data protection and industry-specific standards. Our team stays up-to-date with the latest regulations to ensure your systems remain compliant.


20. How do we get started with Red Corner’s modernization services?


Contact us to schedule a consultation. We’ll assess your current systems, discuss your goals, and develop a tailored modernization strategy to meet your business objectives. Our team is ready to help you embark on your modernization journey.




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