Senior UI Designer (UK)

What You'll Do

The Senior UI Designer is a systems-minded individual contributor responsible for elevating the visual quality, scalability, and consistency of Slingshot's digital product interfaces. This role focuses on owning and evolving the user interface layer-crafting accessible, responsive, and elegant UI designs through close collaboration with product designers, engineers, and cross-functional teams.

Senior UI Designers are expected to lead component-driven interface design, contribute meaningfully to our design system, and uphold visual excellence across complex products-ranging from space mission platforms and data dashboards to 3D applications. We're looking for someone who combines strong visual design craft with systems thinking and thrives in a distributed team environment. This role will own the UI and visual design of our marketing website, ensure visual consistency across product experiences, and actively support the evolution of our product design system.

Slingshot Aerospace cares deeply about our commitment to company values, mission, and purpose. The core competencies we will be looking to identify include: intellectual agility, ability to develop innovative solutions, leadership, performance-orientation, and industry expertise.

Responsibilities

Interface Design & Visual Systems * Design high-quality, production-ready marketing web user interface with strong layout, typography, color, spacing, and visual hierarchy.

• Translate product wireframes and marketing requirements into responsive, component-based UI mockups and prototypes.
• Partner with Product Designers and Marketing to bring interaction concepts to life with visual clarity, usability, and consistency.
• Create presentation assets and artifacts for leadership to leverage for external facing efforts (e.g. slide decks, video animations etc.)
• Contribute to accessibility and responsiveness standards across web-based and multi-device platforms.

Design System Contribution

• Help maintain and evolve Slingshot's global design system in Figma-including tokens, components, documentation, and patterns.
• Collaborate with frontend developers to ensure implementation of UI components is consistent, scalable, and accessible.
• Document and communicate visual standards for the design system, promoting reuse, alignment, and shared ownership.

Cross-Functional Collaboration

• Work closely with Product Designers, engineers, product managers, researchers and Marketing to align interface design with product intent and technical feasibility.
• Participate in design critiques, implementation reviews, and QA to ensure strong visual execution from concept to code.
• Contribute to visual design culture by mentoring peers, sharing insights, and helping define scalable practices for UI quality.

Pre-Requisites

• Must be located in the UK

Minimum Requirements

• 4-6+ years of professional UI/visual design experience in product teams.
• Strong portfolio showcasing visually excellent, accessible, and system-based interface design across platforms.
• * Advanced proficiency with Figma, including component libraries, variants, auto-layout, and documentation workflows.
• Experience working in cross-functional teams and communicating clearly across disciplines
• Availability for partial U.S. timezone overlap (~3-4 hours/day).

Preferred Skills

• Experience designing for technical, data-heavy, or 3D spatial tools (e.g., dashboards, geospatial interfaces, or mission planning).
• Familiarity with frontend development concepts and handoff workflows (e.g., design tokens, CSS frameworks, React).
• Motion/interaction design skills using tools like Framer, ProtoPie, Premier Pro, or After Effects
• Understanding of accessibility standards (WCAG) and internationalization practices.
• Exposure to space, defense, or aerospace products is a plus.

*These skills are guidelines, not hard and fast rules. You don't have to meet every qualification listed- if your skills are transferable and you meet the minimum requirements, we encourage you to apply.

Location: Remote, UK Preferred (Open to offshore talent in EU time zones)

Classification: Full-Time Exempt (professional exemption)

Compensation Range: 65,000 - 85,000 (GBP)