Senior UI/UX Designer — Mobile Games Prototyping

Jam City Inc; San Francisco, Northern (CA, KY); Hybrid; USD 90,000 - 150,000; Full time

Benefits offered by this job

Unlimited Vacation, Paid Sick Days & a

100% Employee Covered Medical, Dental,

Life Insurance, 401k, FSA & More

Catered Lunches & Well-stocked Kitchen

Yoga & Wellness Activities

Happy Hours

Company Events

Dog Friendly

Job summary

Jam City Inc in San Francisco is seeking an experienced UI/UX Designer to help build a new mobile narrative game within our Narrative studio, the team behind Hogwarts Mystery. You’ll have the opportunity to collaborate with top industry talent from concept to final product.

The role focuses on crafting wireframes, UI assets, and a cohesive style guide, working closely with design, art, and engineering to deliver polished, scalable interfaces across devices.

Qualifications

• 3–5 years of UI/UX design for mobile games.
• Strong user-centered design principles for mobile UX.
• Proficient with wireframes, flows, and interactive prototypes in Figma.
• Experience creating polished game UI assets (icons, buttons, HUDs).
• Strong visual design: typography, layout, color, hierarchy.
• Experience with UI VFX, animations, and transitions.
• Familiarity with Unity for UI integration.

Responsibilities

• Design wireframes, flows, and interactive prototypes for a new mobile narrative game.
• Build and maintain the UI style guide and UX documentation for clarity and consistency.
• Create high-quality UI assets aligned with art direction and design needs.
• Provide cohesive UI across narrative gameplay, puzzles, systems, progression, and monetization interfaces.
• Collaborate with Game Design, Art, and Engineering to translate goals into UI/UX solutions.
• Prototype and iterate UI/UX concepts based on team feedback and player insights.
• Ensure interfaces scale across devices and resolutions.

Skills

UI/UX design

Mobile game UX

UI animation

Collaboration

Visual design

Narrative games

User-centered design

Tools

Figma

Unity

Prototyping tools

Job description

Jam City Inc in San Francisco is seeking an experienced UI/UX Designer to help build a new mobile narrative game within our Narrative studio, the team behind Hogwarts Mystery. You’ll have the opportunity to collaborate with top industry talent from concept to final product.

The role focuses on crafting wireframes, UI assets, and a cohesive style guide, working closely with design, art, and engineering to deliver polished, scalable interfaces across devices.