Comprehensive Procurement Platform - Promena
A large-scale e-procurement platform enabling categorized product browsing, auction participation, and end-to-end purchase management through streamlined, data-driven workflows

Silver Globee
Website User Experience
Achievement Category
Designing the UX/UI of the website and leading the design team to shape intuitive, workflow-optimized experiences across complex screens.
3 UX/UI Designer
Summary of Brief
A platform redesign to simplify complex e-procurement workflows by turning long, multi-step processes into clear, intuitive user journeys
A well-structured product catalog redesign for quick navigation, efficient filtering, and seamless comparison of items.
Interfaces that support different user roles with tailored dashboards, enabling each user type to easily manage tasks, auctions
A centralized document and contract hub that reduces cognitive load by organizing all files into predictable, easily retrievable structures
A streamlined e-auction experience where users can create, join, and monitor auctions through real-time, distraction-free screens.
Data visualizations that transform dense operational information into digestible insights, supporting confident decision-making
Persona Types

Platform Architecture
This platform architecture diagram illustrates the platform's main pages.

Customer Journey Map

Let’s connect!
tuğba-çelikten
tugba.celikten@ozu.edu.tr
İstanbul
Comprehensive Procurement Platform - Promena
A large-scale e-procurement platform enabling categorized product browsing, auction participation, and end-to-end purchase management through streamlined, data-driven workflows

Silver Globee
Website User Experience
Achievement Category
Designing the UX/UI of the website and leading the design team to shape intuitive, workflow-optimized experiences across complex screens.
3 UX/UI Designer
Summary of Brief
A platform redesign to simplify complex e-procurement workflows by turning long, multi-step processes into clear, intuitive user journeys
A well-structured product catalog redesign for quick navigation, efficient filtering, and seamless comparison of items.
Interfaces that support different user roles with tailored dashboards, enabling each user type to easily manage tasks, auctions
A centralized document and contract hub that reduces cognitive load by organizing all files into predictable, easily retrievable structures
A streamlined e-auction experience where users can create, join, and monitor auctions through real-time, distraction-free screens.
Data visualizations that transform dense operational information into digestible insights, supporting confident decision-making
Persona Types

Platform Architecture
This platform architecture diagram illustrates the platform's main pages.

Customer Journey Map

Let’s connect!
tugba.celikten@ozu.edu.tr
İstanbul
Comprehensive Procurement Platform - Promena
A large-scale e-procurement platform enabling categorized product browsing, auction participation, and end-to-end purchase management through streamlined, data-driven workflows

Silver Globee
Website User Experience
Achievement Category
Designing the UX/UI of the website and leading the design team to shape intuitive, workflow-optimized experiences across complex screens.
3 UX/UI Designer
Summary of Brief
A platform redesign to simplify complex e-procurement workflows by turning long, multi-step processes into clear, intuitive user journeys
A well-structured product catalog redesign for quick navigation, efficient filtering, and seamless comparison of items.
Interfaces that support different user roles with tailored dashboards, enabling each user type to easily manage tasks, auctions
A centralized document and contract hub that reduces cognitive load by organizing all files into predictable, easily retrievable structures
A streamlined e-auction experience where users can create, join, and monitor auctions through real-time, distraction-free screens.
Data visualizations that transform dense operational information into digestible insights, supporting confident decision-making
Persona Types

Platform Architecture
This platform architecture diagram illustrates the platform's main pages.

Customer Journey Map

Let’s connect!
tugba.celikten@ozu.edu.tr
İstanbul