UX/UI designer

making complex

ideas into clear and

ideas into clear and

delightful

digital products.

Duhqa

Duhqa is a B2B on-demand logistics platform that connects small retailers with manufacturers and suppliers both locally and internationally, operating in Nairobi, Kenya. It consists of a customer-facing mobile app, rider mobile app, warehouse admin web app. The platform is designed to coordinate ordering, fulfillment, and last-mile delivery in environments with infrastructure constraints such as unstructured addressing and informal delivery practices, with a focus on making logistics operations more reliable and efficient for all stakeholders.

UX design

UI design

Field Reseach

UX research

Branding

Duhqa

Duhqa is a B2B on-demand logistics platform that connects small retailers with manufacturers and suppliers both locally and internationally, operating in Nairobi, Kenya. It consists of a customer-facing mobile app, rider mobile app, warehouse admin web app. The platform is designed to coordinate ordering, fulfillment, and last-mile delivery in environments with infrastructure constraints such as unstructured addressing and informal delivery practices, with a focus on making logistics operations more reliable and efficient for all stakeholders.

UX design

UI design

Field Reseach

UX research

Branding

Apex

Dutch startup building a modern scheduling and patient charting application for dental practices. The product aims to replace outdated and overly complex dental software with a more intuitive system that supports efficient clinical workflows and accurate patient tracking. It is designed to reduce administrative friction for dentists and dental technicians, improving usability and helping ensure consistent documentation of patient progress.

UX design

UI design

UX research

Prototyping

Apex

Dutch startup building a modern scheduling and patient charting application for dental practices. The product aims to replace outdated and overly complex dental software with a more intuitive system that supports efficient clinical workflows and accurate patient tracking. It is designed to reduce administrative friction for dentists and dental technicians, improving usability and helping ensure consistent documentation of patient progress.

UX design

UI design

UX research

Prototyping

Cozy Access

Cozy Access is a parking app for public parkings, garages, hotels, camps, residential complexes, and office buildings. It streamlines access control and payment processes through Automatic Parking Payment (APP), with the goal of improving convenience and operational efficiency for both users and facility operators. The platform also includes a web presence designed to clearly communicate its value proposition to a diverse set of customers.

UX design

UI design

UX audit

Prototyping

Nikola Rajić © 2026

Nikola Rajić © 2026

Nikola Rajić © 2026