01Available
Software
Development
Web products, APIs and digital systems shaped around real workflows — from first concept to dependable release.
Discuss a project ↗Digital Development & Joint Commerce
Different paths.
One direction.
DDJC brings software, online commerce and music education together in one independent studio in the Netherlands.
03Connected services
NLBased in the Netherlands
01Direct point of contact
What we do
Choose your route.
Three focused services, each with its own experience and the same practical approach.
Software
02In development
Dropshipping
Digital commerce concepts, product operations and customer-focused online experiences for the European market.
Commerce enquiries ↗03Enrolment
Music Class
Personal music lessons with structured material, recorded classes and a clear view of your musical progress.
Discover Music Class ↓DDJC Music ClassYour next note
Your next note
starts here.
One private place for your lessons, learning materials, payments and musical growth.
Payments are available only inside the authenticated student profile.
Welcome backKeep your rhythm.
72%
Learning materialRecorded lessons
12 videosSkillsChords & harmony
8 of 12FoundationRhythmHarmonyPerformance
About DDJC
Built close to the work.
DDJC — Digital Development & Joint Commerce is a Dutch sole proprietorship led by Daniel Martins. We develop and operate focused digital services with practical design, clear communication and direct ownership.
Have an idea?
Contact DDJC ↗