01
Web apps & business software
Purpose-built applications that map your processes precisely — without unnecessary features or forcing generic software to fit.
DashboardsWorkflowsOperations
Custom software engineering · Made in Germany
Software that adapts to your business. Not the other way around.
We build portals, web applications and internal systems that simplify complex operations — directly with the founders, from first idea to reliable production.
- First version in 3–6 weeks
- 100% code ownership
- Direct access to the founders
Trusted by companies and teams in demanding industries
What we build
Fewer workarounds. More software that genuinely fits.
We combine product thinking, sound architecture and a deep understanding of your operations. The result is software that removes work from everyday processes.
02
Customer & service portals
Digital touchpoints for customers, partners and teams. Clearly structured, secure and designed around real self-service workflows.
Self-serviceBookingCommunication
03
Integrations & automation
We connect existing systems, centralize data and remove manual steps wherever they cost time and quality.
APIsAutomationData flows
Selected projects
Not just presented. Running in production.
Three selected projects showcasing our work on secure infrastructure, operational platforms and complex systems.
Healthcare
EHR Backend Development
C++-based backend development for Electronic Health Records following Gematik standards
- C++
- REST
- Docker
Automotive Industry
Automotive Distribution Platform
An integrated platform for brand experience, dealer operations, vehicle commerce and aftersales
- React
- Fastify
- MongoDB & MySQL
Healthcare
Praxisnetz Nürnberg Süd Appointment Platform
Regional appointment exchange for medical practices with specialty-based search, secure booking and automated billing
- React
- Express
- PostgreSQL
Why DuoByte
Short paths. Clear ownership. Software built to last.
You work with the people who shape and build your system. That creates speed, context and decisions without information loss.
Directly with the founders
No handovers through layers of management. Questions go straight to the people responsible for product and engineering.
Built for your ownership
Clean, documented and transferable code. Your system belongs to you — with no artificial lock-in.
Visible results early
You see meaningful progress regularly and provide feedback before assumptions become expensive.
Business before technology
We understand the process first, then choose the technology that will remain the right fit.
3–6
Weeks to a first version
100%
Code ownership
1:1
Access to the core team
A clear path
From the first question to dependable software.
A focused process with clear decisions, visible progress and a shared understanding of the outcome.
- 01
Understand
We clarify goals, users, workflows and the point where friction exists today.
- 02
Set direction
You receive a clear technical assessment and the shortest sensible route to the outcome.
- 03
Build iteratively
We deliver in understandable increments, test early and integrate your feedback continuously.
- 04
Run reliably
Go-live, documentation and future development are considered from the start.
Client stories
Recommended when it matters.
Long-term trust comes from clear communication, reliable delivery and results that work in daily operations.
“Customer-oriented, fast, affordable - that's my conclusion. I am very satisfied.”
OMDr. Olaf MäderOBM Hausverwaltung München GmbH
“I had a web application programmed and was completely satisfied. The technical consulting was excellent and DuoByte was available for questions at virtually any time. The project could be handed over to me in the shortest time. Thank you very much.”
TKTony KrämerFightcards
“I can only recommend Daniel and the DuoByte team. The collaboration was not only professional, but also very pleasant on a human level. You can tell that they work with great dedication and heart - thank you again for that!”
LKLena KirstenRide-Guard
FAQ
The important questions, answered clearly.
Still unsure? In the first conversation, we clarify whether and how your project can be implemented sensibly.
DuoByte builds custom web applications, customer and partner portals, and internal systems for complex business operations. We also deliver integrations, automation and targeted modernization of existing applications. We work with clients across Germany and you communicate directly with the founders who guide the technical delivery.
We choose the stack around the requirements, operating environment and existing IT landscape. We frequently use React, Next.js and TypeScript in the frontend, Node.js or Python in the backend, and PostgreSQL and AWS for data and infrastructure. We also use C++ where systems-level components require it. The priority is a maintainable solution without unnecessary dependencies, not a particular framework.
We are a strong fit when off-the-shelf software does not match the process: operational platforms, customer and partner portals, internal workflows, data-intensive web applications and integrations between existing systems. We can build a product from scratch, extend an existing application or plan a technically sound modernization.
Cost depends on scope, integrations, security requirements and the condition of any existing systems. In the free 30-minute initial call, we assess feasibility and likely scale. Once goals and risks are clear, you receive a transparent proposal covering the approach, milestones and commercial model.
Our published work spans healthcare, automotive, media, legal tech, accessibility, marketplaces and event platforms. We learn each company’s operational context and account for industry-specific needs such as data protection, role models, traceability and system integrations.
Next step
Bring your project into focus in 30 minutes.
You share the current situation and the goal. We assess feasibility, direction and sensible next steps — openly and without obligation.
- No obligation
- Concrete assessment
- No sales presentation
Free initial consultation
30 minutes · MS Teams · Directly with the founders