01
Production software
Software that runs test and measuring equipment on the production line, calibrates every unit and keeps track of the results.
Freelance .NET development · Aarhus, Denmark
Custom software,
end to end.
Pied Piper builds software in .NET, from production software and complete systems with database and cloud to web apps and websites. You get one point of contact, and explanations in plain language.
01Services
What we can help with.
From the factory floor to the office: software that has to work every single day. And if you just need a good website, we can help with that too.
02
Complete .NET systems
The whole solution, end to end: database, backend, user interface and cloud, built by the same people from start to finish.
03
Hardware & integrations
Get machines, instruments, sensors and existing systems talking to each other, so nobody types the same thing in twice.
04
Websites & web apps
Professional websites and web apps that look great on phones, are easy to find on Google and that you can update yourself.
02How it works
How it works.
Simple and transparent from start to finish. You always know what you are getting and what it costs.
- 01
A chat
We have a free, no-obligation chat about your business and what you need.
- 02
A clear offer
You get a clear offer with price and timeline. No hidden costs.
- 03
We build it
You see the result along the way and can add wishes and changes.
- 04
Delivery
You get a finished solution, ready to use. Maintenance and service can always be discussed afterwards.
03Work
Selected work.
A few things we have built, from the factory floor and the lab to the phone in your pocket.
Production software for sensors
NGIN A/S · freelance
Software that controls the test equipment on the production line, calibrates every sensor and checks finished units before they leave the factory.
Production & hardware
EmbryoScope Application
Vitrolife · as employee
The application that runs the EmbryoScope, a time-lapse incubator for IVF. A Windows app on a large touchscreen that embryologists use to operate the instrument.
Medical device
Product configuration
NGIN A/S · freelance
A web tool for keeping track of product models, versions and individual units, with login, history and import from spreadsheets.
Internal system
MetertoolX
Kamstrup · as employee
An app for iPhone and Android that technicians use to set up and read data from smart meters over Bluetooth.
Mobile app
04FAQ
Good questions.
Can you work with our existing machines and equipment?
Yes. We have built software that talks to everything from climate chambers, lasers and measuring instruments to Bluetooth devices and smart meters.
What does it cost?
It depends on what you need. You always get a fixed price or a clear estimate before we start, so there are no surprises.
Can you take over or improve an existing system?
Yes. Joining existing teams and improving software that is already running is a big part of the job.
Do I need to know anything technical?
No. We take care of the technical side and explain things in plain language. You just need to know your business.
What about maintenance afterwards?
The job is to build and deliver the solution. If you'd like help with maintenance or service afterwards, we can always talk about it.
Do you also make websites?
Yes. We set it up so you can update text and photos yourself.
Who owns it?
You do. Once the work is paid for, the code and everything else is yours.
05Recruiters
For recruiters.
Looking for a freelance developer for a contract or a project? Here's the short version.
- Name
- Christoffer Jakobsen
- Engagement
- Freelance, contract or project
- Location
- Aarhus (on-site, hybrid or remote)
- Education
- B.Eng. Software, Aarhus University
- Languages
- Danish, English
- Invoicing
- Via Pied Piper ApS
- Technologies
- C# · .NET · ASP.NET Core · Blazor · .NET MAUI / Xamarin · WPF · PostgreSQL · EF Core · Docker · AWS · Python · Zenoh / MQTT · Bluetooth · Lab & test equipment
Experience
2026 – now
Freelance Senior Software Engineering Consultant @ NGIN A/S
Freelance engagement designing, developing and delivering software in .NET.
2026 – now
Founder & freelance developer @ Pied Piper ApS
Freelance software development in the .NET ecosystem: architecture, cloud, Blazor, Docker, databases, APIs and integrations with hardware and sensors.
2024 – 2026
Software Engineer @ Vitrolife
Built the application that runs the EmbryoScope time-lapse incubator: a Windows touchscreen app embryologists use to operate the instrument.
2021 – 2024
Development Engineer @ Kamstrup
Architect and lead developer of MetertoolX, a .NET MAUI/Xamarin app for configuring smart meters over Bluetooth. Also built WPF tools for production stations.
2019 – 2020
Student developer & intern @ Kamstrup
Built internal C#/WPF and Python tools close to embedded hardware and production.
06Contact
Let's have a chat.
Tell us briefly what you need, and we'll get back to you with how we can help. It's free and without obligation.