Senior UX Engineer — Design Systems & AI Prototyping

Sotalent; United States; On-site; USD 156,000 - 320,000; Full time

Benefits offered by this job

Equity

Job summary

Sotalent is seeking a senior UX Engineer/Design Technologist to bridge design and engineering, building scalable design systems and tools that improve workflows for design and development teams.

In this role you will advance native mobile UI development, contribute to cross‑platform design libraries, prototyping, and AI‑assisted workflows, collaborating with designers, product managers and engineers to elevate usability and product quality.

Qualifications

• 5+ years as UX Engineer, Design Technologist or similar.
• Bachelor's degree in CS or related field, or equivalent experience.
• Experience delivering reliable, scalable technical solutions.
• Deep experience with native mobile UI development (Android SDK, Kotlin, UIKit or Swift).
• Ability to break complex challenges into decisions and trade-offs.
• Strong communication and collaboration skills.
• Foundational knowledge of accessibility principles.
• Demonstrated use of AI to improve workflow speed and output quality.
• Ability to critically evaluate AI-assisted work through testing, validation, source checking and peer review.

Responsibilities

• Contribute to the technical direction of cross-platform design system libraries.
• Develop scalable technical solutions that balance design fidelity and engineering feasibility.
• Collaborate with design, product, engineering and business stakeholders.
• Build and maintain reusable components, design standards and system guidelines.
• Ensure user experience and design intent are accurately translated into production code.
• Create high-fidelity prototypes using AI tools to support product alignment and user testing.
• Develop tools that integrate AI capabilities into design and engineering workflows.
• Participate in code reviews, design reviews and technical decision-making.
• Mentor team members and promote developer experience, performance and quality.

Skills

UX engineering

Cross-platform

Prototyping

Collaboration

Education

Bachelor's degree in CS or related field

Tools

Android SDK

Kotlin

UIKit

Swift

Job description

Sotalent is seeking a senior UX Engineer/Design Technologist to bridge design and engineering, building scalable design systems and tools that improve workflows for design and development teams.

In this role you will advance native mobile UI development, contribute to cross‑platform design libraries, prototyping, and AI‑assisted workflows, collaborating with designers, product managers and engineers to elevate usability and product quality.