Softwaredeveloper analysiert Code und komplexe Systeme – Softwaremodernisierung von Qwasaa für Gerätesoftware in industriellen Anwendungen

The Team behind Qwasaa

We are specialists in complex software systems
with many years of experience in modernizing
and further developing legacy applications

Qwasaa employees with a passion for software development

Software development with passion

You want to know who you are dealing with at Qwasaa and what makes us a likeable and competent partner?
We focus on what lasts: substance, engineering excellence, and relationships on equal footing.

Qwasaa was founded in 2014, relaunched in 2024, and today consists of a continuously growing team of experienced Qt, C++, and C# specialists. We build powerful, maintainable, and future-proof software. In doing so, we bring extensive know-how from modernization, migration, and long-term product maintenance. Across industries, pragmatic, and cleanly executed.

The best way to get to know us is in person: you can find us on the 13th floor of the JenTower.
And the tall man with the broad smile is our CEO Frank Rub.

The story behind the name Qwasaa

Qwasaa is not an off-the-shelf name just like our work.
Short, distinctive, a bit different, and precisely for that reason memorable. And it stands for what matters to us: substance over show.

The hexagon tells the real story: a stable core around which everything revolves, clear structure, and clean connections. For us, it is the perfect symbol of software modernization: not “everything new,” but strengthening the core, connecting it meaningfully, and extending it modularly. This is how a system is created that is sustainable, today and in the future.

Six sides, one cohesive whole: development, QA, UI/UX, project management, tooling, and consulting interlock at Qwasaa to turn complexity back into clarity.

Our team

We are developers, QA engineers, interface designers, and owners.

At Qwasaa, it’s not about how you look, but what you can do and how you collaborate. If you’re interested in challenging projects, a strong team, and real responsibility, talk to us.

Open roles range, depending on demand, from project management and consulting to software development (Qt/C++/C#, etc.) and testing, as well as UX/UI, IT, quality, and marketing.
If you bring expertise and curiosity: let’s talk.

About us

How we work

We work flexibly: remote, onsite, or hybrid. For kick-offs, workshops, important reviews, or “all hands” meetings, we are happy to be on-site. In collaboration, we rely on regular, transparent communication so that everyone always knows where we stand and what happens next.

Whether it is a clearly defined project or ongoing support:

  • Fixed price/project scope for defined goals with predictable effort
  • Time & material for maximum flexibility and continuous development

If desired, we take end-to-end responsibility for your (sub-)project: with agile project management, an independent team, and solid quality assurance – from planning to delivery.

Quality – not as a buzzword, but as a standard

For us, quality does not emerge at the end, but throughout the entire process: through clear definitions, reviews, automated tests, and traceable acceptance.

About us

Our process

Our collaboration follows agile principles (Scrum). Together, we refine goals, prioritize requirements, and translate them into an actionable backlog. A product owner ensures clarity and focus, while the team delivers in iterative sprints.

Automated and manual tests support development and ensure the desired quality. At the end of each sprint, a transparent review/acceptance of the implemented features takes place. Only tested and approved components are then included in the rollout – traceable, predictable, and reliable.

Team introduction

These are your contacts

Frank Rub von Qwasaa

Frank Rub

Chief Executive Officer

Call Frank Rub nowContact Frank RubFrank Rubon linkedIn
Sebastian Kratz von Qwasaa

Sebastian Kratz

Head of Innovation

Call Sebastian Kratz nowContact Sebastian KratzSebastian Kratzon linkedIn
Bianca Metzner | Qwasaa

Bianca Metzner

Experience Designerin

Contact Bianca Metzner Bianca Metzner on linkedIn
Parzival Eisner | Qwasaa

Parzival Eisner

QA Engeneer

Contact Parzival Eisner
Henryk Schmidt | Qwasaa

Henryk Schmidt

Key Account Manager

Contact Henryk Schmidt

Let’s get started

We look forward to your inquiry and will get back to you within one business day.
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    You can find us here

    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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