joriszwart.nl

Price list 20261

What’s on the menu?2

An interactive version will be available Q3/2026.

Software development

ActivityPrice
Have fun with a prototypeFree!
Same day ‘your idea/concept to proof of concept’ delivery (working and hosted software)€ 100,- per unit3
6 months hosting of ‘your idea / concept to proof of concept’Free!
Greenfield coding€ 1,- per line4
Brownfield coding (tests/coverage available)€ 4,- per line5
Brownfield coding (without tests)€ 9,- per line6
Brownfield to greenfield conversionContact me!
Fixed price projectsContact me!
API IntegrationsContact me!
DevOpsDo not contact me!
moet gekoppeld wordenDo not contact me!
OAuth2 en dingenDo not contact me!
Sign an NDADo not contact me!
No cure no pay€ 300,- per hour
Flipping bits from 0 to 1 or from 1 to 0€ 13.37 per bit

Both greenfield and brownfield figures are based on my personal historical data.

Communication - unidirectional

ActivityPrice
Presenting / demoing your idea or conceptFree!
Presenting / demoing my idea or conceptFree!
Just presenting my or your stuff to interested peopleFree!
Just presenting for the stage (voor de bühne)€ 200,- per hour
See me live codingFree!
Receiving unbridled feedbackFree!
Giving unbridled feedbackFree!
Calling me a ’topper’ or other insults€ 1000,- per occurrence
You giving me your invoice addressFree!
Me asking for your invoice addressFree!
Me asking for your invoice address for the umpteenth time€ 100,-
Me asking you somethingFree!
Me asking you something againFree!
Me asking you something again and againPriceless, but with a cost
You rantFree!
Me rantFree!
Duplicate messages (email, then phone and/or fax)€ 25,- per incident7

I like to show off!

Communication - bidirectional

ActivityPrice
Ad hoc phone calls - anytime, anywhere, anyplaceFree!
Brain dumpsFree!
EmailFree!
Real life meetingsFree!
Phone calls with a fixed duration set in advance€ 10,- per 5 minutes
Scheduled phone calls€ 10,- per 5 minutes
Video calls€ 15,- per 5 minutes
Video calls with a fixed duration€ 20,- per 5 minutes
Video calls without an agenda€ 20,- per 5 minutes
Scheduled video calls€ 20,- per 5 minutes
Ik wil met je sparren over $x€ 250,- per hour
See me live coding meanwhile shouting useless directions€ 500,- per hour

The rationale behind this is that IMHO the ROI of calling me for something so we can both go on is high. At least higher than playing email pingpong. Video calls in general have a low ROI and meetings without an agenda even lower.

Communication - multidirectional

ActivityPrice
Multi layer communication (not bringing the right people together)Your loss

Overhead

ActivityPrice
I want it yesterday!+100% fee
I want it today, pls+50% fee
Can I haz tomorrow? (bonus if you are a cat)+0% fee
Attendance requirement - aanwezigheidsplicht+100% fee8
Enterprise tax+100% fee9,10
Countering your DOC with an DOCX€ 5,- per kB
Countering your DOCX with an EML or MSG€ 10,- per kB
Countering your PPT with an SWF€ 15,- per kB
Call me for fantastic offers. Sorry, my good friend Bonzi Buddy is already helping me.€ 25,- per incident

  1. Actually, the year doesn’t matter. Because I believe that inflation leads to more inflation, once again no price increases in 2026. ↩︎

  2. All prices are excl. VAT incl. guarantee & incl. source code. ↩︎

  3. Includes version control system, build instructions + automated tests. Adds value even when you decide to find another developer. ↩︎

  4. € 2,- for you for every line you can snoop off. € 4,- for me if unjustified. ↩︎

  5. € 8,- for you for every line you can snoop off. € 16,- for me if unjustified. ↩︎

  6. € 18,- for you for every line you can snoop off. € 36,- for me if unjustified. ↩︎

  7. this is based on True Cost™ of an involuntary disruption ↩︎

  8. -75% productivity ↩︎

  9. -75% productivity ↩︎

  10. cumulative ↩︎