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Hello! I'm Ray Anggara Siagian, a UI/UX Designer with experience in building mobile and website design applications using Figma. I'm skilled in wireframing, prototyping, and user testing to craft intuitive digital experiences. I enjoy collaborating with cross-functional teams to translate user insights into clean, accessible interfaces and smooth interactions. My goal is to design delightful products that meet user needs and business goals, and to continuously improve the experience through thoughtful iteration and feedback.…Hello! I'm Ray Anggara Siagian, a UI/UX Designer with experience in building mobile and website design applications using Figma. I'm skilled in wireframing, prototyping, and user testing to craft intuitive digital experiences. I enjoy collaborating with cross-functional teams to translate user insights into clean, accessible interfaces and smooth interactions. My goal is to design delightful products that meet user needs and business goals, and to continuously improve the experience through thoughtful iteration and feedback.

Ray Anggara Siagian

UI Designer, UX Designer, App Designer, +2

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Hello! I'm Ray Anggara Siagian, a UI/UX Designer with experience in building mobile and website design applications using Figma. I'm skilled in wireframing, prototyping, and user testing to craft intuitive digital experiences. I enjoy collaborating with cross-functional teams to translate user insights into clean, accessible interfaces and smooth interactions. My goal is to design delightful products that meet user needs and business goals, and to continuously improve the experience through thoughtful iteration and feedback.…Hello! I'm Ray Anggara Siagian, a UI/UX Designer with experience in building mobile and website design applications using Figma. I'm skilled in wireframing, prototyping, and user testing to craft intuitive digital experiences. I enjoy collaborating with cross-functional teams to translate user insights into clean, accessible interfaces and smooth interactions. My goal is to design delightful products that meet user needs and business goals, and to continuously improve the experience through thoughtful iteration and feedback.

Available to hire

Hello! I’m Ray Anggara Siagian, a UI/UX Designer with experience in building mobile and website design applications using Figma. I’m skilled in wireframing, prototyping, and user testing to craft intuitive digital experiences.

I enjoy collaborating with cross-functional teams to translate user insights into clean, accessible interfaces and smooth interactions. My goal is to design delightful products that meet user needs and business goals, and to continuously improve the experience through thoughtful iteration and feedback.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

UI/UX Designer, Mobile Developer (Internship) at PT Sembrani Siber Solusindo

October 1, 2024 - January 1, 2025

Developed a backend web for ISO 27001:2022 using Laravel and MySQL; conducted API testing and integration using Postman. Designed an intuitive UI in Figma to enhance user experience, and implemented key features such as competency quizzes and progress tracking. Built and integrated UI components and user flows into a Flutter-based mobile application using the MVC architecture. Collaborated with the development team and product owner to ensure features met specifications.

UI/UX Designer (Internship) at TK Negeri Pembina Porsea – Toba

October 1, 2024 - January 1, 2025

Conducted user research through interviews with 8 kindergarten teachers and analyzed early childhood learning principles to identify gamification elements (e.g., arrange letters to form words, drag-and-drop, multiple-choice). Performed usability testing with 28 students (26 completed tasks). Implemented UI components and flows in a Flutter app using MVC architecture. Collaborated with the dev team and product owner to ensure alignment with specifications.

UI/UX Designer (Internship) at Matematika Gasing – Toba

October 1, 2024 - January 1, 2025

Conducted educator interviews (12 structured questions) to understand GASING learning flow, assessment methods, and content needs, translating insights into a pre-test and post-test system to measure progress. Identified screen-time management needs, leading to a heart point (life) system with cooldown to encourage healthy breaks. Designed leaderboard and achievement features to boost engagement. Collaborated with the development team to ensure features met specifications.

UI/UX Designer for Buildeo Project (Lecturer Project Assistant) at Institut Teknologi Del

August 1, 2024 - December 1, 2025

Designed responsive mobile and web interfaces for Buildeo, a digital service marketplace for household and construction needs. Created UI/UX solutions tailored for a German client, using Figma to craft user flows and high-fidelity prototypes across admin, buyer, and seller roles.