For web design and marketing agencies
Your clients need more than websites?
I support web design and marketing agencies as a technical partner for custom applications, interfaces and automations. You look after the client, I develop the software.
Ask about working together See development projects
- Fixed price before work starts
- You stay your client's contact
- Servers in Germany
- Operation and maintenance if you like
Typical requests
When the plugin is no longer enough.
Requirements agencies hear from their clients again and again, which a website builder cannot solve cleanly.
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A customer portal with login, documents and project status.
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A custom web application, for bookings, orders or jobs.
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Website enquiries going straight into the client's CRM.
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Data imports and exports, from a shop, ERP or Excel.
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A process that runs by hand today and should run automatically.
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A connection to a third-party interface (API).
Working together
You decide how we work together.
Depending on the project and the client relationship. What applies is put in writing before we start.
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Subcontractor
You engage me, I deliver to you. Your client keeps you as their only contact.
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External development partner
For recurring requirements: a steady partner for the technical part, aligned with how you work.
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Project partner
We work together with your client: you do website, design and marketing, I do the application behind it.
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Referral
You make the introduction, I work directly with your client. You get a share for the referral; we agree the terms in writing.
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No competition
I do not offer websites, design, SEO or marketing to your clients.
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Afterwards too
If you like, I operate and maintain the application, through you or directly with the client.
How it works
From client request to finished application.
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You describe the requirement
Briefly and informally: what your client needs and which systems are already in place.
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I check the implementation
You get an honest assessment of what is feasible and what is not, even if an existing tool will do.
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We agree the scope
Functions, interfaces, dates and the roles in the collaboration, in writing.
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Quote and order
A fixed price before work starts, to you or to your client, as agreed.
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Development, handover, support
You see a first version early. After acceptance I take over operation and maintenance if you like.
Development projects
What I have built so far.
To be frank: I have no software projects for agency clients yet. What there is are my own applications that show how my software is built. The planning solutions are demo applications with sample data; I use the accounting software myself every day.
Technical foundation
Maintainable, not a one-off.
User accounts, roles, forms, documents, notifications, background tasks and secure operation are finished, tested building blocks for me. In your project only the part that is really new for your client gets built. That keeps projects small and later extensions affordable.
- Modular foundationReusable, versioned building blocks instead of starting from scratch.
- InterfacesREST, webhooks and file exports to existing systems.
- Operation in GermanyHosting, monitoring, daily backups and a data processing agreement.
- Clear rightsRights of use and a possible handover of the source code are set out in the quote beforehand.
Your contact
A developer, no agency in between.
I am Felix Kempin and I develop the applications myself. From the first assessment to maintenance you talk to the same person.
Email: info@fk-onlineservices.de · Phone: +49 177 2712503
Questions
Does my client need to know you are involved?
We decide that per project. You can remain your client's contact and engage me as a subcontractor. Or you make the introduction and I work directly with your client, while website, design and marketing stay with you. For the data processing agreement and later operation it must be clear who works for whom; we put that in writing beforehand.
Will you poach my clients?
No. I do not offer websites, design, SEO or marketing to your clients. What we agree per project applies, and we can put it in writing if you like.
How is it billed?
As a subcontractor I invoice you a fixed price that you know before work starts; you set your own price towards the client. If I bill your client directly, you get a share for the referral. We put the terms in writing before the first project.
Which technology do you work with?
Web applications on my own maintainable foundation in Python and Django, operated on servers in Germany. Connections to existing systems through their interfaces (REST, webhooks, file exports). The website can stay on WordPress or another CMS; the application runs alongside and is linked or embedded.
What about operation and maintenance after the project?
If you like, I operate and support the application on servers in Germany, with monitoring, backups and updates. Whether that runs through you or directly with your client is agreed before work starts.
How quickly do I get an assessment?
Usually a first answer within one working day on whether and how the requirement can be implemented. For a quote I usually need a short conversation, happily together with your client.
Do you have a client request right now that goes beyond the website?
Write briefly what it is about. I give you an honest technical assessment, even if the answer is that an existing plugin will do.