Scalable development
for business-critical systems
Software that needs to function reliably in production
yet still needs to be further developed.
- New features for a major customer.
- A new device generation with a different controller or display.
- Additional interfaces.
- Standards, security requirements or certifications.
The reasons for further development are rarely optional.
Often, a device can only be delivered if exactly these changes are implemented.
As long as a system runs unchanged, it is stable.
It becomes risky when changes are made under uncertainty.
- Releases are delayed because no one can reliably predict what side effects will occur.
- Tests provide no real certainty – or are missing entirely.
- Knowledge is concentrated in individual people.
- Every adjustment becomes a gamble.
Qwasaa gets you out of this situation – without a big bang and without losing control.
We create transparency regarding architecture, dependencies and risks.
We modernize where necessary – step by step and in a traceable way.
And we implement cleanly: with reliable quality assurance and UI fidelity where it matters for your product.
Schedule an initial consultation
In 30 minutes, we clarify:
Where do you stand technically?
What is the smallest meaningful next step? What should you not start as a large-scale project?
High-tech software for demanding requirements
Whether device software in regulated environments, software for automated quality assurance in industrial production
or long-lasting applications with high performance: Qwasaa works where standard software forces compromises – and where workarounds become expensive later.
Typical situations we solve:
- Small changes take weeks or months because dependencies and side effects are not transparent
- Releases are risky because tests or regulatory evidence are not reliable
- UI/usability must be exactly right (operating errors, production errors, support load)
- Security/updates/compliance become a real risk
Our range of services
Technical Assessment
Clarity before you commit time and budget
Problem
You know that something needs to happen – but not where to start. Architecture, dependencies, quality status, build/release and security are not transparent enough to make sound decisions.
Solution
Qwasaa analyzes your system in a structured and practical way: What is critical? What is stable? Where do risks arise? What can be improved quickly? We do not deliver “just an analysis,” but a basis for decision-making.
Result
You receive a prioritized roadmap in actionable packages: quick wins, risk areas, meaningful modernization steps – in a way that makes budget, timing and responsibility internally defensible.
What you concretely get from an initial consultation with Qwasaa:
- where real risks lie – and where they do not
- which measures make economic sense
- which steps you can start immediately
Software Modernization
Step by step out of the legacy bottleneck – without a big bang.
Problem
Systems run longer than planned. Technical debt grows. Updates are postponed. Every extension feels like “open-heart surgery.” At the same time, requirements are increasing (security, compliance, integrations, new workflows).
Solution
Qwasaa modernizes incrementally: stabilize, decouple, migrate – combining tool-supported migration with targeted refactoring where necessary. Always in a way that keeps your software system productive and deliverable.
Result
Changes become more controllable, releases more predictable, and the codebase becomes maintainable again. You gain update capability and reduce risks – without jeopardizing day-to-day operations.
How customers notice the effect:
- fewer “surprises” in releases
- less effort per change over time
- better maintainability instead of growing support load
Software Development
Further development that remains stable in the field.
Problem
New features are necessary – for customer projects, new device generations or integrations.
But feature pressure meets system reality: long life cycles, UI fidelity, device connectivity, security requirements and a codebase that was not built for rapid changes.
“Feature complete” is not enough if it leads to failures, follow-up questions, user errors or support load in operation.
Solution
Qwasaa develops new features where they belong: in the context of your existing architecture.
We take on defined packages or strengthen your team – and deliver enhancements in a way that makes them ready for release: cleanly integrated, testable, clearly documented and aligned with actual usage.
This includes, depending on your needs:
- Implementation of new features and modules
- High-fidelity UI implementation
- Integration into existing systems, interfaces and devices
- Creation or extension of tests (automated or system-level)
- Ensuring release and update capability
Typical results
- UI that guides users safely (fewer operating errors, less support)
- Changes that do not create new errors “on the side”
- Tests that provide real certainty – not just a good feeling
- Integrations that do not destabilize operations
- Further development that remains stable in the field.
Process Digitalization
Making long-established processes digitally accessible
Problem
Many processes work – but only as long as no one demands transparency, traceability or clean evaluability.
Information is stored in Excel sheets, paper forms, emails, machine data or manual handovers between teams. In everyday operations this is often manageable. It becomes critical when data is transferred multiple times, test benches need to be audit-ready, or evaluations require too much manual effort. This exact type of long-established, real-world process situation is also behind the existing process digitalization presentation.
“It works” is not enough when processes need to be documented reliably, used across systems, or further developed in a controlled way.
Solution
Qwasaa digitizes processes where they actually take place today: in the technical and organizational context of your existing systems.
We analyze existing data sources, make media breaks visible, and structure information flows so that manual steps, legacy software, machines and interfaces work together in a meaningful way. Not as a big bang, but step by step and in a way that keeps ongoing operations stable. This approach directly follows the Qwasaa logic from briefing and modernization: make risks visible, respect the existing system, controlled change instead of blanket replacement.
Qwasaa supports companies in
- analyzing existing workflows and data sources
- making media breaks and manual intermediate steps visible
- bringing together information from different systems
- digitally mapping paper-based or informal processes in a traceable way
- structuring data flows so they are maintainable, understandable and reliable
This does not create isolated one-off solutions, but digital processes that remain viable in practice.
Typical results
- test and process data that is available in a traceable way
- fewer transfer errors and manual intermediate steps
- evaluations that do not first have to be pieced together from Excel and paper
- digital workflows that integrate the existing system instead of replacing it
- processes that can be further developed in a more controlled way
Where Qwasaa regularly provides support – with typical examples and benefits
Typical examples and customer benefits
Medical Technology
Software development for medical devices in regulated environments
When traceability and product quality have to come together.
In regulated environments, “it works” is not enough: changes must be verifiable – with test specifications, test coverage and clean documentation. At the same time, many systems need to be extended even though they are already technically “at their limit.”
How does Qwasaa help in medical technology (without loss of control)?
We join your project as an engineering partner. You retain responsibility – we strengthen implementation and quality: UI/web applications in interaction with devices, prototyping, QA/test strategy as an integral part.
Result for you:
predictable changes, reliable evidence, software that works in everyday use on the device.
Examples from typical project situations:
- Assistive software for surgical devices: user guidance that reduces operating errors; information quickly understandable (e.g. C++/Qt)
- Service portal + mobile: making device-relevant information available; responsive UI for customer care (e.g. PHP/Symfony)
Semiconductor Industry
Further develop device software in production – without risking quality
When downtime, scrap and analysis times cost real money.
In high-tech systems, “it somehow works” is not enough. If defects become visible too late or changes are integrated improperly, production risks arise. At the same time, systems have grown historically and must remain stable during ongoing operations.
How does Qwasaa help in the semiconductor industry?
Targeted further development and stabilization of existing device software (e.g. C#, WinForms/WPF, ASP.NET Core, .NET) – with structure in implementation and coordination. Quality assurance is included from the start: test concepts, test planning, automation of recurring tests (depending on the setup, also with tools such as Ranorex + unit tests).
Result for you: changes become more predictable, errors are detected earlier, releases become more stable – systems run reliably even when requirements change.
Automation
Make long-established production processes digitally available
When information gets stuck between Excel, paper, legacy software and manual handovers.
In industry and automation, many processes work – but only as long as no one demands traceability or fast evaluation. It becomes critical when test and production data is transferred multiple times or machine data and manual entries do not come together cleanly.
How does Qwasaa help with process digitalization?
Qwasaa digitizes processes where they actually take place: in the interaction of machines, systems and workflows. We analyze data sources, make media breaks visible and create workflows – step by step instead of as a big bang. Typical building blocks include mobile data capture, dashboards/connectors as well as the integration of legacy software/sensor systems and manual process steps.
Result for you:
fewer transfer errors, better evaluability and processes that can be documented more reliably and further developed in a more controlled way.
Why customers work with Qwasaa
Because we deliver what is difficult internally: controllable change.
Not “more output at any cost,” but decisions, implementation and quality in a way that keeps your system stable in operation.
You benefit if you:
- need to further develop a long-established system without big-bang risk
- do not want to “bolt on” quality/compliance afterward
- see UI fidelity and usability as part of product safety
- need support that integrates cleanly into your team setup
First conversation
Understanding your system
In a first conversation, you walk us through your system and where things currently stand.
We typically talk about:
- How your system works today
- Where things are getting difficult or stuck
- What you want to improve or change
The call takes about 30 minutes. Afterwards, we both have a good sense of:
- What’s really going on
- Whether we can help
- And what a sensible next step would be
Creating clarity together –
the next meaningful step for your software
Your contact persons
Frank Rub
Chief Executive Officer
Sebastian Kratz
Head of Innovation
Let’s get started
We look forward to your inquiry and
will get back to you within one business day
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Where to find us
Our home is on the 13th floor of the Jentower, in the heart of the beautiful city of Jena on the Saale River.
Do drop by – we look forward to seeing you.
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