Senior Design Engineer – UX, UI

Relevance AI

full-time

Posted on: 1/8/2026

Location Type: Hybrid

Location: Sydney • Australia

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About the role

Collaborate closely with Product, Design, and Engineering to implement highly responsive, visually appealing and functional user interfaces while maintaining design fidelity.
Build reusable front-end components and maintain our design systems, UI libraries, and front-end components to ensure consistency and scalability.
Conduct user experience testing and iterate designs based on user feedback and analytics.
Review designs for technical feasibility and propose solutions that balance UX and engineering constraints.
Champion a high bar for UI/UX and mentor others on best practices, latest trends and coding standards.

4+ years across product design and front-end development, with experience building for complex platforms (e.g., no-code tools, automation software, or enterprise SaaS).
Proficiency in HTML5, CSS3, and JavaScript, with hands-on experience across a range of front-end tooling (e.g., npm, Webpack, Tailwind, Redux, Jest) and familiarity with modern frameworks such as React, Angular, or Vue.
Experience creating and maintaining design systems, reusable components, and UI libraries.
A proven track record of tackling challenging product designs and taking ownership of initiatives from user research to concept/ mock-up through to production.
Strong visual design sense and a passion for building highly responsive, performant user interfaces.
Thrive in dynamic, high-performance start up settings and comfortable with ambiguity, rapid iteration, and taking initiative.
Regularly leverage AI tools and technologies in your workflow, and stay up-to-date with the latest advancements to boost productivity and innovation.

Benefits

📈 **ESOP** – Employee Stock Ownership Plan so you can grow with the company
🤖 **AI Productivity Benefit** – Get up to $1200 USD/year to spend on AI tools, courses, and learning resources that help you work smarter and grow your skills
👶 **Parental Leave** – We offer 12 weeks of paid parental leave for all eligible new parents, and an additional 6 weeks for the birthing parent
🎉 **Milestone Merch** – Celebrate your work anniversaries with customised Relevance AI swag
🍿 **Food, Drinks & Community** – Stay energised with free breakfasts, healthy snacks, and a fully stocked fridge of drinks. Enjoy team lunches provided every Thursday and Friday, plus Uber Eats dinners and regular catered office meals throughout the week. As the home of the AI workforce, we also host vibrant community events featuring thought leaders, industry partners, and the wider tech community.
🪩 **Quarterly Team Events** – Build stronger connections through fun, meaningful team bonding experiences every quarter
🏓 **Social Clubs** – Share your hobbies and interests by joining or starting a club with your teammates. From hiking and chess to board game nights and social committee activities—there’s something for everyone!
🧠 **Sonder EAP** – Access 24/7 mental health and wellbeing support through Sonder, our Employee Assistance Program

Tip: use these terms in your resume and cover letter to boost ATS matches.

HTML5CSS3JavaScriptReactAngularVuenpmWebpackTailwindRedux

collaborationmentorshipuser experience testinginitiativeadaptabilityvisual design senseproblem-solvingownershipcommunicationiteration