Medium and large Madrid companies that inherited code from a previous vendor need an audit, not promises of a full rewrite. We assess what can be rescued and what should be rebuilt, with formal process documentation for your compliance teams, without compromising the corporate integrations your daily operation already depends on.
Did Your Previous Developer Leave Your App Outdated? We Rescue It in Madrid
At Madrid organizations, an app inherited from a previous vendor usually has integrations with corporate systems no full rewrite can afford to break. We audit the code focusing on those critical dependencies, define what gets rescued and what gets rebuilt, and document every decision with the level of detail your internal technology governance processes require before approving a change of this magnitude.
We help you regain control of repositories, developer accounts and credentials that got scattered.
We analyze the legacy code and deliver an honest diagnosis of what to rescue and what not.
We define the order of work: first what unblocks publishing updates, then deeper modernization.
We execute the modernization in stages, keeping the app operational throughout the whole process.
We validate that everything that worked before still works after each stage of the migration.
We close with the updated app, complete documentation and, if you want, an ongoing maintenance plan.
We assess the inherited code with specific focus on the corporate integrations already depending on the app: ERPs, billing systems, internal platforms. No rescue or rewrite decision is made without first understanding what would break elsewhere in your organization, because at companies of this size the cost of a poorly planned migration is never limited to the app in question.
We document every technical decision with the level of detail a large organization's technology governance demands: what was rescued, what was rewritten and why, with full traceability for internal audits or future vendor reviews. That documentation is what gives your company real control over a technology asset that previously depended entirely on a third party's judgment.
We assess the real state of the code, its dependencies and its risks, with a clear report of what to rescue and what to rewrite.
We modernize old native code into the current languages Google and Apple recommend, incrementally and without stopping the app.
We bring outdated framework versions up to date, resolving the breaking changes accumulated between versions.
We identify unmaintained dependencies and migrate them to active alternatives before they become a security risk.
We adjust the app to the API levels and current policies of Google Play and App Store so it can publish updates again without friction.
We document the code, architecture and deployment processes, the insurance against getting trapped with a single vendor again.
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