Your backend decides whether your app scales
We build backends that hold up in production: secure APIs, clean data models and infrastructure that grows with you – from the first version to millions of requests.
Firebase for fast time-to-market, Laravel or Node for tailor-made systems, AI where it delivers real value.
Why a strong backend?
The app is what users see – the backend is what carries it. Whether it's real-time sync, secure accounts or complex business logic: what your app can do is decided in the backend.
Scalability: An architecture that grows from 100 to 100,000 users – without a rebuild.
Security & GDPR: EU hosting, encrypted data and clean auth – essential wherever sensitive data flows, e.g. in health and fintech.
Real-time & performance: Push, live sync and short response times, so the app feels instant.
Proven in production: from the e-prescription integration to PAGOPACE to readfy, our backends run in production every day.
Our backend services
From architecture to operation: we build the technical foundation of your app – or strengthen your existing team with our expertise.
API development
Database architecture
Cloud & infrastructure
Auth & security
AI integration
Operations & monitoring
How your backend is built
From architecture to launch – in four clear steps:
Architecture & concept
Requirements, data flows and technology choices – before the first line of code.
API & data model
We define interfaces and data structure as a stable foundation for everything that follows.
Development & integration
Implementing the services, connecting app and third-party systems, automated tests.
Deployment & operation
Go-live with CI/CD, monitoring and ongoing development – we stay your point of contact.
Firebase or a custom backend with Laravel/Node?
In a free initial consultation we assess together which approach is right for your project – technologically and economically.
Technologies we build with
From PHP/Laravel and C#/.NET to Python, highly scalable databases, cloud infrastructure across AWS, Google Cloud and Azure, and modern AI tools for automation and intelligent features – we command the entire backend stack and orchestrate the right technology into a foundation that scales effortlessly with your growth.
Backends in production
From an AI advertising system to a first-party data platform to software modernization during live operation – selected projects where our backends deliver every day.
Magic Ads
AI for publishers: Better sales through ‘magical’ banners
For a leading regional publisher, we created an AI driven innovative advertising app that automatically creates display banners.
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1st Party Data Strategy
Development of a 3rd party cookie alternative for media companies
Higher sales and user engagement through data protection-compliant analysis & use of cross-platform first-party data.
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TIPPTHEK
Software modernization during operation
Best in class guest information system for the hotel industry.
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Our backends serve more than 200,000 users every day and process over 3 billion interactions per year – reliably and in real time.
Success stories
with measurable results
GUTEFRAGE.NET / HIGHFIVVE
Largest German-language question-and-answer portal
Anyone looking for an app development agency will be delighted with Johnny Bytes. We held a workshop with gutefrage.net on the topic of apps and app SDKs and had a very in-depth and detailed exchange. The knowledge and experience that Johnny Bytes brings to the table is remarkable.
Nepomuk Seiler
JUST HEALTH GMBH
Therapy management platform for leading German cancer centres
Johnny Bytes was a complete game-changer for our digital health app. Their expertise is outstanding; they got up to speed in record time and drove our development forward with decisive technical insights. We absolutely recommend them for any complex app project.
Maximilian Roederstein
EMPOWER GMBH
World-leading provider of Microsoft Office applications
In the development of our software suite, we faced complex challenges. Johnny Bytes provided more than just strategic advice; they actively supported our development process and were decisive in its successful execution.
Stephan Kuhnert
APOTHEKE LUX 99
Leading pharmacy for medical cannabis
We wanted more than just an off-the-shelf e-prescription app; we needed a solution perfectly tailored to our pharmacy's specific workflows. Johnny Bytes' expertise in digital health was clear as they understood and executed our vision in perfect detail. The result is our very own app, which is a tremendous asset for both our customers and our team. For anyone seeking a truly custom solution, you've come to the right place.
Tobias Loder
READFY
Pioneer and leader in ad-supported e-book readers
With Readfy, up to half a million users regularly read over 130,000 ebooks for free. Johnny Bytes took over the apps for iOS and Android from our previous nearshore partner and not only brought them and the backend up to date in a very short time, but also ensured that in-app sales increased by 500%.
Philipp Ortmaier
PAGOPACE
Leading provider of NFC payment rings.
We were already able to offer our customers good hardware with our payment ring. However, Johnny Bytes helped us to build the perfect complementary software to take our product to the next level. We were kept up to date at every stage of the app development and were able to make requests immediately. With the new app, we can also sell our rings in retail stores, as customers can link their rings directly to their payment card on their cell phone.
Steffen Kirilmaz
FIRST AVENUE
#1 media house in South Tyrol
Johnny Bytes has taken over the development and support of our guest information system TIPPTHEK and migrated it to a modern and sustainable architecture in a very short time. This allows us to install TIPPTHEK in thousands of South Tyrolean accommodations and provide up to 35,000 tourists a day with personalized information about their accommodation and the surrounding area.
Michael Hölzl
STAZZLE
Innovative solutions for temporary staffing and recruitment
An agile team for whom customer satisfaction is just as important as quality, the Johnny Bytes team understands communication and requirements, asks the right questions, has a sense of humor and adheres perfectly to schedules. A strong partner that we recommend without reservation. Thank you for your support!
Tasso Mitsarakis
KOOPERATIONEN MIT HOCHSCHULEN
Innovative projects with research institutions
Together with Johnny Bytes, FH Aachen regularly conducts practice-oriented research projects as part of the Digital Lab. Most recently, prototypes for Alexa skills and AI-supported tourism solutions were created in this context. These projects are always an enrichment for our students, the university and the company.
Prof. Dr. Mathias Eggert
No time for second tries?
Discuss your idea in a non-binding and free consulting meeting.
Your personal contacts
Would you rather talk to us directly and in person? Then do not hesitate to get in touch with us.
