Projects

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ZATCA Lite • Riyadh, Kingdom of Saudi Arabia

Simplifying digital tax & customs services

Case study: A mobile app redesign making zakat, tax, and customs services simpler and more user-centric.

zatca-case-study-sinan-ux-portfolio

UX/UI Design

Responsive Design

Sketching

Wireframing

Web Development

Visual Design

AK Solution GmbH • Kleve, Germany

AK Solution website redesign

Complete redesign and development of aksolution.eu with a modern, responsive user experience.

UX/UI Design

Responsive Design

Sketching

Wireframing

Web Development

Visual Design

Bullhorn • Rotterdam, Netherlands

Making candidate data instantly accessible

Enhanced candidate review in Bullhorn ATSv2 with an in-context, customizable data viewer for faster, more efficient recruiting workflows.

Validation

Accessibility

Workflow Simplification

Data Visualization

User-Centered Design

Salesforce Integration

BH Connect for Salesforce • Rotterdam, Netherlands

Feature-by-feature UX transformation

Ongoing UX and UI improvements for BH Connect, enhancing user flows and visual design through close collaboration, testing, and client feedback.

Usability Testing

Stakeholder Collaboration

Workflow Simplification

Decision-Making

Storytelling

Agile Development

Bullhorn for Salesforce • Rotterdam, Netherlands

Reimagining job posting images for Randstad

Designed and launched a flexible, multi-image upload feature for job postings, empowering recruiters with more control and a seamless experience.

Feature Innovation

Stakeholder Collaboration

User Flow Optimization

Decision-Making

Agile Development

Adecco • Zaltbommel, Netherlands

Tracking candidate progress made simple

Designed and delivered a Salesforce-driven feature enabling recruiters to view and update candidate sub-statuses at a glance, improving workflow transparency and efficiency.

Product Migration

Usability Testing

Backlog Management

Contextual Visualization

Agile Process

Workforce Management (WFM) • Rotterdam, Netherlands

From Sirenum to Interactive Lightning

Led the redesign and rollout of ILS to replace Sirenum, delivering improved scheduling UX and contextual visualization for WFM users.

Product Migration

Usability Testing

Backlog Management

Contextual Visualization

Agile Process

Workforce Management (WFM) • Rotterdam, Netherlands

From Sirenum to Interactive Lightning

Led the redesign and rollout of ILS to replace Sirenum, delivering improved scheduling UX and contextual visualization for WFM users.

Product Migration

Usability Testing

Backlog Management

Contextual Visualization

Agile Process

Marketingkandidaat.nl • Utrecht, Netherlands

Launching a freelancer’s brand online

Designed and built a high-traffic, one-page WordPress site for a startup freelancer, praised for its smooth experience and visual appeal.

WordPress Development

One-Page Website

UX/UI Design

Usability

Case Study