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Öymen Baydın
Product Designer (UI/UX)
I'm Öymen, a product designer based in Izmir, Türkiye. For 4+ years I was the sole designer at Decktopus, an AI presentation tool that grew from 20K to 4.5M+ users. I built its design system from scratch, ran conversion work through research and A/B testing, and prototype in code with AI tools to validate ideas in the real product before they reach development.
WORKS
EXPERIENCE
October 2022 - October 2026
Led all product and web design as the sole designer while the product grew from 20K to 4.5M+ users.
Redesigned paywall, onboarding and product tour flows, iterating on each through A/B tests and funnel analysis to improve trial-to-paid conversion.
Built a token-based design system from scratch that unified the app and website and became the shared source of truth for design and development.
Designed AI-native features including the Edit with AI agentic drawer, credit top-up and cancel/win-back flows.
Built a coded replica of the live app with Claude Code (React, Tailwind) to test new features in real product context before development.
Shaped roadmap priorities through user interviews, surveys, usability testing and PostHog/Hotjar analysis.
July 2022 - September 2022
Designed app and website UI with the product team, then joined full-time as Product Designer.
PROJECTS
September 2024 - January 2026
Co-Founder & Product Designer at Piartem Creative Studio
Led design end to end for early-stage startups and companies, from brand and UX to launch in Framer. Selected work: Hello Tomorrow Türkiye, Pulsesphere, Medivoyant, Urla Hills and Digital Haberleşme.
November 2023 - August 2024
Product Designer at Choicefy
Designed the product experience from scratch using the Double Diamond process, from research and wireframes to production.
Set up a desktop and mobile design system and standardized handoff with the development team.
SKILLS
DESIGN
UI/UX Design
Responsive Design
Design Thinking
Interaction Design
Motion Design (Figma Motion, Lottie)
Wireframing & Prototyping
Design Systems (Token-Based)
Mobile & Web App Design
RESEARCH & ANALYTICS
User Interviews & Surveys
User Journey Mapping
A/B Testing
Product Analytics (PostHog, Hotjar)
Feature Prioritization
Usability Testing
TOOLS & AI WORKFLOW
Figma & FigJam
Framer
HTML & CSS
Claude Code & Cursor
Design-to-Code Handoff
COLLABORATION & PROJECT MANAGEMENT
Jira
Notion
Miro
Agile/Scrum