.NET consultant for existing systems
Support for backend APIs, legacy modernization, CI/CD, Docker-based deployment, and production business systems that need steady delivery.
Explore .NET consultingExternal .NET Consultant for Existing Systems
We help teams maintain, extend, and stabilize production software across .NET backend, MAUI/mobile, legacy modernization, and deployment automation. The work is practical: improve maintainability, reduce deployment issues, and keep existing systems moving without slowing down your team.
Specialized support
If you already know where support is needed, these pages explain the most common scenarios in more detail.
Support for backend APIs, legacy modernization, CI/CD, Docker-based deployment, and production business systems that need steady delivery.
Explore .NET consultingHelp with Xamarin to .NET MAUI migration, mobile maintenance, backend integration, compatibility fixes, and continued feature delivery.
Explore MAUI supportSpecialization
We specialise in building and maintaining modern .NET systems across backend, mobile, and legacy environments. From MAUI front-ends to containerized deployment pipelines, you get consistent engineering standards across the entire product.
Cross-platform applications with shared code, platform-aware UX, and automated testing.
Backend services that integrate with existing and legacy systems through REST APIs and background workers.
SQL optimisation, containerized environments, and CI/CD pipelines ready for production workloads.
Skills
We cover the full .NET lifecycle โ from technical direction to delivery and operations. Hands-on coding meets CI/CD and deployment automation so we can move fast without losing reliability.
When to work with Microtechnics
About us
Microtechnics is an independent .NET consultant experienced in developing and maintaining .NET-based backend, MAUI, mobile, and legacy systems. We combine hands-on C# development with Docker, Azure DevOps, and CI/CD automation.
This mix of engineering and operational experience helps teams ship stable, maintainable, and scalable solutions without slowing down their roadmap.
Services
Collaboration
Straightforward B2B collaboration structured around delivery scope, roadmap priorities, and support needs.
Remote-first collaboration with the option to support key milestones and critical go-lives.
Engagement can be shaped as project delivery, roadmap support, or an ongoing technical retainer.
Case studies
Migrated a Xamarin app to .NET MAUI, enabling continued feature delivery on the current .NET stack while modernising parts of the codebase and resolving compatibility issues.
Highlight: Modernised the app foundation for future delivery on the current .NET stack.
Extended and maintained REST APIs in existing .NET systems, strengthening backend reliability for internal integrations and production business workflows.
Highlight: Strengthened backend reliability and supported ongoing feature delivery.
Stabilised existing applications by updating outdated dependencies, fixing compatibility issues, and improving supportability for systems still critical to daily operations.
Highlight: Improved supportability of legacy systems still critical to daily operations.
Process
Kick-off review and scope alignment to define the first delivery milestones.
Shaping backend, MAUI, or legacy modernization work together with CI/CD pipelines that balance speed with reliability.
Iterative delivery with code reviews, automated testing, and demos that keep stakeholders aligned.
Stabilisation, optimisation, and ongoing delivery support that sustain product quality after go-live.
FAQ
If you can't find your answer below, send a quick message and we'll reply within one business day with specifics.
Yes. We can begin with a focused technical review of your backend, MAUI/mobile app, legacy constraints, and delivery pipeline to define a practical next step.
We provide technical documentation, implementation notes, and deployment checklists, followed by handover sessions with your team.
Yes. We work with both Polish and international teams and can communicate comfortably in English, German and Polish.
Contact
Share a snapshot of your product, architecture, and team bandwidth. We'll respond within one business day with next steps tailored to your goals.
Not sure if this is a fit? Send a short description of your system and we'll suggest next steps.