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About us

The team behind the marketplace foundation

We are a small team of developers and solution architects with years of experience designing and building enterprise-grade digital solutions. We created Kallero from a simple idea: businesses should be able to launch and operate their own marketplace without having to spend years building the underlying technology themselves.

We believe great software should be reliable, flexible and built to last. That's why we focus on clean architecture, performance, security and maintainability, drawing on the same principles we've used throughout our careers building enterprise solutions.

People

Who you'll be working with

Kallero is a small, focused team of engineers and designers building the technology other companies launch their marketplaces on.

Profile picture for Sahin Bosnic

Sahin Bosnic

Founder & CTO

Sets the direction of the Kallero platform and works closely with clients on marketplace architecture and launch strategy.

Värnamo, SEsahin@kallero.se
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Jesper Wiberg

Founder & Solution architecture

Leads backend and database development with a strong focus on performance, scalability, and secure, reliable code.

Stockholm, SEjesper@kallero.se
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Kiasar Mian

Frontend engineer

Designs and builds the user-facing parts of marketplaces, ensuring a smooth experience for buyers and sellers alike.

Kristianstad, SEkia@kallero.se

Ready to build your marketplace?

Let's talk about what you're building and how Kallero can help turn the idea into a marketplace platform.