Angela (Chieh Ni) Yang

Product Designer at MINA AI

Sole UX designer at a 0→1 AI marketplace startup serving mothers in San Francisco, designing end-to-end product experiences for a sustainability-focused platform where users buy, sell, and exchange baby items while joining parenting events and community activities. Collaborated with product and engineering during sprint planning to translate roadmap goals into user flows, wireframes, and interactive prototypes, ensuring feasibility within technical constraints such as image processing latency and API response time. Identified checkout flow usability issues via PostHog analytics and qualitative feedback; redesigned payment hierarchy and simplified UI copy to improve clarity around Stripe's secure payments, increasing listed items by about 30%.

Product Designer at Mercor

Created high-fidelity mockups in Figma and provided user-journey insights to guide AI-assisted design decisions and taste-preference research. Helped refine workflows and annotated guidelines for AI-assisted product design, improving the consistency and quality of AI-generated UI/UX outputs.

Product Designer at Turn Cloud Technology Service

Led end-to-end UX design for multi-scale digital products, including the Taiwan Ministry Invoice App (nationwide public service). Collaborated with cross-functional teams of 10+ engineers to redesign authentication flows, clarify login terminology, and introduce biometric login, improving login success rate from 68% to 92%. Conducted 30+ user research sessions across diverse demographics and created detailed user journeys and prototypes. Developed multi-mode interface strategies and designed the Baskin Robbins membership platform enabling points earning and voucher redemption integrated with in-store POS, improving loyalty program participation.

Product Designer at AtlasNova AI

Led the design lifecycle of an AI-driven B2B SaaS product, aligning planning with product management and developer handoff. Developed testing plans, facilitated usability feedback sessions, and presented findings to guide feature prioritization. Monitored and responded to application feedback and feature requests, ensuring iterative improvements matched user needs.

UX/UI Designer at Turn Cloud Technology Service Taiwan

Led end-to-end product design for a cloud service platform integrating IoT, payments, and membership. Drove feature iteration via A/B testing, resulting in a 22% improvement in task completion rates and a 15% boost in customer engagement. Established an internal design system and reusable pattern documentation to ensure consistency, increasing weekly design throughput by 57% (7 → 11 tasks). Conducted 2 accessibility studies with visually impaired participants and 30 other research sessions (20 discovery interviews, 10 usability tests), shaping inclusive design improvements. Collaborated cross-functionally to translate project requirements into wireframes, mockups, and prototypes.

UX/UI Designer at Turn Cloud Technology Service Taiwan

Led end-to-end product design for a cloud service platform integrating IoT, payments, and membership. Implemented A/B testing that improved task completion rates by 22% and boosted customer engagement by 15%. Translated requirements into wireframes, mockups, and prototypes for mobile and backend systems. Collaborated with engineers, QA, and product management to ensure usability and feasibility. Conducted discovery interviews and usability tests with visually impaired participants, shaping inclusive design improvements. Established an internal design system and reusable pattern documentation, boosting weekly throughput from 7 to 11 tasks.

UX/UI Designer at Turn Cloud Technology Service Inc.

Led end-to-end UX design for enterprise backend systems serving retail integrations, including user interviews, needs analysis, and accessibility considerations. Conducted in-depth UX research and functional mapping that resulted in the design and launch of the Ministry of Finance Invoice Lottery Redemption App and Baskin-Robbins Taiwan Mobile App. Developed a scalable UI kit and design system that improved design task throughput by 57% while maintaining consistency.

UX/UI Designer at Turn Cloud Technology Service Inc.

Led the full UX design process for enterprise backend systems focusing on retail integrations, including user interviews, needs analysis, and accessibility considerations. Successfully translated user pain points and business goals into features through detailed UX research and functional mapping. Led design and launch projects such as the Ministry of Finance Invoice Lottery Redemption App and Baskin-Robbins Taiwan Mobile App. Developed a scalable UI kit and design system that improved design throughput by 57%, ensuring design consistency and efficiency.

UX/UI Designer at TURN CLOUD TECHNOLOGY SERVICE INC.

Aligned functional requirements with client objectives, delivering user-centered wireframes and designing seamless page flows in collaboration with engineers, specializing in enterprise backend systems with a focus on retail applications. Took full control in building a systematic and scalable design system, focusing on efficiency, quality, and cross-departmental consistency to ensure seamless collaboration in enterprise software projects. Conducted in-depth research on retail backend management systems, ensuring alignment between user needs and technical specifications, specializing in the software domain.

UX/UI Designer at TURN CLOUD TECHNOLOGY SERVICE INC.

Aligned functional requirements with client objectives, delivering user-centered wireframes and designing seamless page flows in collaboration with engineers, specializing in enterprise backend systems with a focus on retail applications. Took full control in building a systematic and scalable design system, focusing on efficiency, quality, and cross-departmental consistency to ensure seamless collaboration in enterprise software projects. Conducted in-depth research on retail backend management systems, ensuring alignment between user needs and technical specifications, specializing in the software domain.

Product Designer at AtlasNova AI

Directed the full design process for an AI-driven B2B SaaS platform, including usability research, gap analysis, and creation of high-fidelity wireframes, prototypes, and developer-ready specifications. Delivered interactive prototypes for the platform's introductory website.

Product Designer at AtlasNova AI

Directed the full design process for an AI-driven B2B SaaS product, including usability research, gap analysis, wireframing, prototyping, and developer handoff. Delivered high-fidelity wireframes and interactive prototypes for the platform’s introductory website.

UX Designer at PerfectInterview AI

Sole UX designer leading the redesign of a career-prep SaaS platform, from heuristic evaluation to rapid prototyping and developer handoff. Conducted user research to validate onboarding flows, reducing friction for first-time users and increasing customer engagement. Used analytics (PostHog) to uncover key drop-off points and redesigned flows, driving a 35% increase in full mock interview completions. Designed and launched a responsive web experience in Framer, improving comprehension and engagement. Assisted in maintaining design components and environments, ensuring smooth collaboration with engineering during fast-paced iterations.

Product Designer at AtlasNova AI

Led the design lifecycle of an AI-driven B2B SaaS product, from planning and product-management alignment to developer handoff. Delivered high-fidelity visual design assets and responsive mockups for the product website, optimizing usability and cross-device performance. Developed testing plans, facilitated usability feedback sessions, and presented findings to guide feature prioritization. Monitored feedback and feature requests to ensure iterative improvements that increased customer engagement.

UX/UI Designer at PerfectInterview.AI

Sole UX designer responsible for redesigning the onboarding question flow using heuristic evaluation, wireframes, prototypes, and final developer handoff. Conducted rapid user research to validate design adjustments to meet user and business needs. Built and launched a responsive web interface in Framer to enhance comprehension for first-time visitors.

UX/UI Designer at PerfectInterview.AI

Sole UX designer responsible for redesigning the onboarding process, from heuristic evaluation to wireframes, prototypes, and final developer handoff. Conducted rapid user research to improve onboarding question flow, aligning the interface with user needs and business goals. Built and launched a responsive web interface in Framer that enhanced comprehension for first-time visitors.

UX/UI Designer at PerfectInterview AI

Sole UX designer redesigning a career-prep SaaS platform; conducted user research to validate onboarding flows, reducing friction for first-time users. Used analytics to identify key drop-off points and redesigned flows, driving a 35% increase in full mock interview completions. Designed and launched a responsive web experience in Framer and maintained design components for smooth engineering collaboration during fast-paced iterations.

UX/UI Designer at PerfectInterview.AI

Functioned as the sole UX designer in a startup setting, collaborating with two co-founders to resolve interface challenges by utilizing heuristic evaluation and usability testing. Leveraged expertise in UX principles to redesign wireframes, ensuring intuitive user experiences that align with business objectives, and demonstrated prototypes to facilitate effective internal communication. Designed and launched a responsive web interface utilizing Framer, effectively communicates the product's key features and benefits, ensuring first-time visitors have a clear understanding of the product's value.

UX/UI Designer at PerfectInterview.AI

Functioned as the sole UX designer in a startup setting, collaborating with two co-founders to resolve interface challenges by utilizing heuristic evaluation and usability testing. Leveraged expertise in UX principles to redesign wireframes, ensuring intuitive user experiences that align with business objectives, and demonstrated prototypes to facilitate effective internal communication. Designed and launched a responsive web interface utilizing Framer, effectively communicating the product's key features and benefits, ensuring first-time visitors have a clear understanding of the product's value.

UX Designer at YK Labs

Sole UX designer responsible for redesign of PerfectInterview.ai, an AI-powered mock interview platform. Conducted heuristic evaluations and usability testing to reduce onboarding friction and improve first-time usability. Simplified onboarding steps, clarified instructions, and guided users through the interview flow. Increased full mock interview completion rate by 35%. Created a responsive marketing website in Framer to improve product clarity and onboarding prior to signup.

Product Design at AtlasNova AI

Identified potential usability issues in pre-launched product workflows and took lead in developing high-fidelity wireframes, prototypes and detailed user flow for an AI-driven B2B SaaS application. In a startup environment, collaborated with cross-functional teams, including the product manager, UX designers, and web developers, to implement a cohesive and user centred design approach.