Contract UX/UI Designer for Sprint-Based Projects

O3 World, LLC; Philadelphia (Philadelphia County); On-site; USD 83,000 - 138,000; Part time

Job summary

O3 World, LLC is seeking a UX/UI designer to join our team as a contractor, working sprint by sprint alongside our lead designer and advisor on multiple client projects. Engagements run in 4-week sprints at 8–16 hours per week; you will create wireframes, user flows, and visual designs, deliver high‑fidelity comps, design system elements, and support development handoff with specs and annotations.

You’ll collaborate with researchers, project managers, and developers in a fast‑paced AI‑enabled

Qualifications

• 4–6+ years of experience in UX, UI, product design, or related field.
• Strong portfolio across websites, apps, or digital products.
• Experience creating low‑fidelity wireframes, user flows, information architecture deliverables.
• Track record of producing high‑fidelity UI design and component-based systems.
• Ability to apply findings from research, stakeholder input, or usability insights.

Responsibilities

• Execute design work within sprint-based engagements (4 weeks, 8–16 hrs/wk) under the lead advisor.
• Produce UX deliverables — wireframes, user flows, and supporting documentation — for defined feature requests.
• Create visual design deliverables including high‑fidelity comps, UI kit components, and design system elements.
• Take work from early exploration through execution and development handoff, as scoped by the lead.
• Collaborate with the lead advisor, project managers, researchers, and developers to deliver on assigned work.
• Use modern design tools, including AI-assisted workflows, to improve efficiency and delivery.
• Flex across multiple client projects as sprint needs shift.

Skills

UX design

UI design

Wireframes

User flows

Visual design

Design systems

Handoff specs

AI-assisted design

Collaboration

Rapid prototyping

Job description

O3 World, LLC is seeking a UX/UI designer to join our team as a contractor, working sprint by sprint alongside our lead designer and advisor on multiple client projects. Engagements run in 4-week sprints at 8–16 hours per week; you will create wireframes, user flows, and visual designs, deliver high‑fidelity comps, design system elements, and support development handoff with specs and annotations.

You’ll collaborate with researchers, project managers, and developers in a fast‑paced AI‑enabled