Senior Designer (Principle Prototyping)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Designer (Principle Prototyping) based in United States.

As a Senior Designer, you will bring a high-profile mobile product concept to life through sophisticated interaction design and high-fidelity prototyping. You will work closely with an established product design team to transform Figma designs into realistic, engaging interactive experiences. The role centers on Principle, with a strong focus on motion, transitions, gestures, and thoughtful microinteractions. You will help ensure that prototypes accurately communicate the intended user experience while adding polish and behavioral detail. This is a hands-on opportunity for a designer who combines strong visual and interaction design instincts with deep prototyping expertise. You will work in a collaborative, fast-moving environment where iteration, experimentation, and attention to craft are highly valued. The ideal candidate is an independent practitioner who can move quickly while maintaining a high standard of quality and fidelity.

Accountabilities: Build high-fidelity, interactive mobile product prototypes using Principle, accurately representing intended product behaviors and user journeys.

Translate established Figma designs into polished, realistic, and engaging interactive experiences.

Design and refine motion, transitions, gestures, animations, and microinteractions to create intuitive and compelling product experiences.

Partner closely with product designers to understand design intent and ensure prototypes faithfully communicate the envisioned user experience.

Collaborate with existing design teams while independently owning prototyping deliverables and maintaining a high level of execution quality.

Iterate rapidly on prototypes based on stakeholder feedback, refining interactions and details to meet project objectives.

Apply strong interaction and motion design principles to create prototypes that effectively demonstrate both functionality and experience.

Contribute design expertise and prototyping recommendations throughout the development of high-profile mobile product experiences.

Requirements

Extensive professional experience creating high-fidelity prototypes using Principle , which is required for this role.

Strong interaction design and motion design skills, with a sophisticated understanding of transitions, gestures, animation, and microinteractions.

Demonstrated experience creating realistic and highly interactive prototypes for mobile products.

Proficiency with Figma and the ability to work effectively from established design systems and design files.

Strong understanding of mobile user experience and the ability to translate static designs into dynamic, intuitive interactions.

Ability to work independently, manage priorities, and deliver polished work while collaborating closely with established design teams.

Strong attention to detail, visual craft, and interaction quality.

Excellent communication and collaboration skills, with the ability to incorporate feedback quickly and effectively.

Experience prototyping consumer-facing mobile applications is a plus.

Familiarity with Apple Human Interface Guidelines is preferred.

Experience contributing to large-scale product design initiatives is an advantage.

Benefits

Expected contract compensation of $65–$96 per hour , depending on location, experience, and skillset.

Three regional US pay ranges adjusted for cost of living.

Potential benefits available in accordance with applicable law and company policy.

Benefit eligibility may depend on hours worked and the duration of the assignment.

Opportunity to contribute to a high-profile mobile product experience alongside an established design team.

Collaborative environment focused on experimentation, craft, interaction design, and innovative digital experiences.

Opportunity to work as part of a freelance network on impactful brand, marketing, and product initiatives.

How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best!  Why Apply Through Jobgether?    Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.     #LI-CL1