Ayhan Gümüşalan-Product Designer
Check rate
Experience
Product Founder & Lead Designer
T-Circle
An innovative social review and recommendation application designed to aggregate trusted product feedback within users' personal networks.
UI/UX Designer & Frontend Developer (Freelance)
Karavan Cruises
- Responsive UI/UX Design: Designed modern, mobile-responsive user interfaces and layouts within Figma, ensuring a seamless visual experience across various device form factors.
- Frontend Integration: Translated high-fidelity Figma designs into clean HTML/CSS code and successfully integrated them into the company's existing infrastructure and template systems.
- Multi-Brand Theming: Scaled the core design architecture to rapidly deploy brand-specific websites for Costa and Celestyal cruises by adapting and theming the base frontend structure.
Freelance UI/UX Designer
Karavan Turkey
The official corporate website design for a leading travel and cruise company, establishing a modern, accessible, and professional digital brand presence.
Product Designer (Freelance)
xcoins.com
- Mobile Application Design: Spearheaded the end-to-end UI/UX design for the new xcoins mobile application, creating all screens, interactive prototypes, and user flows from scratch.
- Core Trading Interfaces: Designed seamless and intuitive web and desktop interfaces for the core "Buy/Sell Bitcoin" transactions, optimizing the crypto trading experience for end-users.
- Back-office & Platform Support: Provided continuous design support across the platform ecosystem, including the structural design and refinement of complex backoffice administration panels.
Product Designer
Mumzworld.com
Core E-commerce & Super App Initiatives (Last 2 Years)
- Super App Evolution & Service Design: Collaborating closely with the core e-commerce design team to evolve the main application into a multi-service "Super App" ecosystem. Co-designing user flows and interfaces for newly launched on-demand services including Party Planning, Wallpaper Installation, Kids Nursery Room Design, Midwife Services, Online Doctor, and Teleconsultation.
- AI Integration (Maya AI): Created the foundational UI/UX concepts for Maya AI, the platform's live conversational AI chatbot; continuously partnering with the team to optimize its interface and improve post-launch user engagement.
- Core Feature Optimization: Working jointly with fellow designers and product managers to continuously refine checkout, discovery, and product user journeys within the primary e-commerce application.
Platform & Back-office Systems Architecture (First 3 Years)
- Operated as the sole product designer for the platform division, taking full ownership of the end-to-end design lifecycle while partnering directly with engineering and product leadership.
- Seller Center Portal: End-to-end redesigned the comprehensive E-commerce Seller Management Portal from scratch, establishing all interaction models, complex operational flows, and feature modules.
- Logistics & Mobility Ecosystems (Ultimo & Uno): Designed the complete digital ecosystem for core logistics apps. Established the web-based backoffice administration portals and dedicated driver mobile applications from scratch for both Ultimo (Shipment Management System) and Uno (First-Mile Hub Operations).
- Message Center: Designed and launched a centralized bulk marketing, email, and messaging web application from the ground up, ensuring seamless production hand-off to developers.
UI/UX Designer & Frontend Developer
Ecospend
- Core Open Banking Ecosystem (Lead Designer): Acted as the lead product designer for Ecospend's flagship payment solutions. Directed the end-to-end UI/UX design for key products showcased across the platform, including Instant Online Payments & Refunds, Pay By Link, QR Code Payments, Request To Pay, Account Funding & Withdrawals, and Recurring Payments.
- HMRC "Pay by Bank" Integration: Supported the UI/UX requirements during the UK Government HMRC open banking integration, delivering essential design assets, bank selection screens, and user flows to complement the backend-heavy infrastructure.
- Speedypay Application: Spearheaded the product design lifecycle for the Speedypay application, establishing its complete visual framework and intuitive interaction models from the ground up, spanning both responsive mobile interfaces and robust backoffice administration portals.
- Hybrid Execution: Maintained a dual-impact role by owning the product design strategy while actively writing and supporting performant frontend code to bridge the gap between design concepts and production.
Product Founder & Lead Designer & Frontend Developer
Transferindex
A comprehensive B2B/B2C platform dedicated to hotel and airport transfer bookings, complete with a fleet management system.
- Mapped complex search algorithms and multi-step booking user flows into an intuitive, conversion-optimized interface.
- Designed a scalable, data-heavy backoffice dashboard allowing administrators to easily manage drivers, vehicles, and dynamic pricing.
- Built a robust design system and tokenized component library to ensure UI consistency across both customer-facing web pages and admin panels.
Product Founder & Lead Designer
Yıkanacaklar
An on-demand mobile application designed for scheduling and tracking local laundry and dry-cleaning pickup/delivery services.
- Designed the end-to-end native mobile app experience, focusing on seamless location-based scheduling and live order tracking user journeys.
- Created high-fidelity interactive prototypes to validate user flows and edge cases prior to development handoff.
- Developed a streamlined, mobile-first component library that optimized the cart, checkout, and service selection processes.
Frontend Development Team Lead
Odeon Technology
- Led and mentored a team of frontend developers, overseeing the architectural design and technical delivery of web applications.
- Ensured high code quality, performance optimization, and smooth implementation of design hand-offs.
Product Founder & Lead Designer
Phomode
A niche social media platform dedicated to the gaming photography community for sharing high-resolution in-game captures and engaging with creators.
Frontend Developer & UI/UX Designer
OTI Holding
- Crafted intuitive UI/UX layouts and developed responsive web interfaces for various high-traffic digital platforms.
- Managed the cross-over workflow between interface assets and production-ready frontend code.
Product Development Specialist & UI/UX Designer
TatilSepeti.com
Contributed to product evolution by designing user flows, dynamic mock-ups, and executing frontend code implementations.
Product Development Specialist / UI/UX Designer
Gezinomi
Managed end-to-end user experience life cycles and product design operations for digital travel booking portals.
Web Developer & UI Designer
Egebilgi
Developed web applications and created custom UI concepts based on client requirements.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Tourism, Information Technology, Transportation, Healthcare, Retail, and Banking and Finance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Product Development, Information Technology, Operations, Marketing, Logistics, and Project Management.
Summary
Senior Product Designer with 15+ years of experience designing and shipping customer-facing and back-office products across e-commerce, fintech, logistics, and travel ecosystems. A former frontend developer, I combine deep engineering fluency with expertise in design systems, complex back-office and mobile interfaces, and design-to-development collaboration to deliver scalable, production-ready solutions. Backed by a strong foundation in Statistics, I excel at turning complex data into intuitive digital products while seamlessly bridging the communication gap between design and engineering teams to accelerate delivery.
Skills
Product Design
Ui/Ux Design
Html5 / Css3
Figma
Prototyping & Wireframing
Design Systems
Mobile App, Responsive Web & Desktop Ui Design
Complex Ui & Dashboard Architecture
Responsive Web
Mobile Native (Ios Hig & Android)
Adaptive Grid Layouts
Design Systems & Tokens
Component-Driven Architecture
Wireframing
User Flows
High-Fidelity Prototyping
A/B Testing
Complex Backoffice & Dashboard Design
Micro Animation (Lottiefiles)
Figma (Advanced Variables & Auto Layout)
Figjam
Miro
Sketch
Framer
Protopie
Adobe Xd
Whimsical
Photoshop
Html5 / Css3
Sass (Scss)
Javascript
React & Next.Js (Basic)
Tailwind Css
Shadcn Ui
Material Ui
Chakra Ui
Radix Ui
Sql (Relational Dbs, Querying)
Json
Xml
Restful Apis
Soap
Postman
Technical Design-To-Code Handoff
Vs Code
Cursor (Ai Editor)
Devtools
Git/Github
Agile/Scrum
Figma Make
Prompt Engineering
Midjourney
Veo
Suno
Chatgpt
Claude
E-Commerce
Fintech
Open Banking
Super Apps
Travel
Logistics
Languages
Education
Sakarya University
Master of Science (M.S.) · Computer Technology & Information Systems · Sakarya, Turkey
Dokuz Eylül University
Bachelor of Science (B.S.) · Statistics · İzmir, Turkey
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Ayhan is based in Narlıdere, Turkey and prefers 100% remote projects.
Ayhan speaks the following languages: Turkish (Native), English (Intermediate).
Ayhan has at least 17 years of experience. During this time, Ayhan has worked in at least 12 different roles and for 14 different companies. The average length of individual experience is 1 year and 2 months. Note that Ayhan may not have shared all experience and actually has more experience.
Based on recent experience, Ayhan would be well-suited for roles such as: Product Founder & Lead Designer, UI/UX Designer & Frontend Developer (Freelance), Freelance UI/UX Designer.
Ayhan's most recent position is Product Founder & Lead Designer at T-Circle.
In recent years, Ayhan has worked for T-Circle, Karavan Cruises, Karavan Turkey, xcoins.com, and Mumzworld.com.
Ayhan is most experienced in industries like Tourism, Information Technology, and Transportation. Ayhan also has some experience in Healthcare, Retail, and Banking and Finance.
Ayhan is most experienced in business areas like Product Development, Information Technology, and Operations. Ayhan also has some experience in Marketing, Logistics, and Project Management.
Ayhan has recently worked in industries like Transportation, Tourism, and Healthcare.
Ayhan has recently worked in business areas like Information Technology, Product Development, and Operations.
Ayhan holds a Master in Computer Technology & Information Systems from Sakarya University and a Bachelor in Statistics from Dokuz Eylül University.
Ayhan is immediately available part-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 29 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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