
Senior UI Engineer
Haystack · United States
- Hybrid
- Full-time
- $140,000 / year
- United States
Tailored resume — keyword-matched to this role.
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Job highlights
- Drive immersive digital solution creation.
- Build reusable, scalable UI components.
- Collaborate with design and backend teams.
- Optimize for speed, scalability, accessibility.
- Work with AI and cutting-edge tech.
About the role
Senior UI Engineer
We're hiring on behalf of a Haystack partner!
The Role
- Drive the creation of highly immersive, functional, and interactive digital solutions.
- Translate product and design system specifications into reusable, scalable, and performant UI components.
- Partner with designers, UX researchers, and backend developers for optimal implementation and seamless user experiences.
- Contribute to and maintain design systems (component libraries, style guides) for consistency.
- Optimize applications for maximum speed, scalability, and accessibility (WCAG standards).
- Champion the end user throughout the product development lifecycle.
What You'll Need
- Minimum 4-6 years of experience in front-end and Progressive Web Applications.
- Strong understanding of Human-Centered best practices.
- Deep expertise in Web Based Applications, Data Visualization Dashboards, Digital Products, Applications AI, Agents and Design System environments.
- Experience building adaptive agent workflows and hyper-personalized interfaces.
- Expertise with TypeScript and familiarity with testing frameworks (Jest, Cypress).
- Deep understanding and experience with design systems, including maintaining all design system UI libraries, patterns, and guidelines.
What's On Offer
- Opportunity to revolutionize how users interact with digital products and data.
- Work with cutting-edge technology and AI-assisted tools.
- Contribute to delivering consistent, accessible, and delightful digital experiences globally.
- Engage with a vast ecosystem of technology platforms.
Apply via Haystack today!
Key skills/competency
- Senior UI Engineer
- Front-end Development
- Progressive Web Applications
- TypeScript
- Design Systems
- UI Components
- Accessibility (WCAG)
- Data Visualization
- AI
- Testing Frameworks
Skills & topics
- Senior UI Engineer
- Front-end Development
- Progressive Web Applications
- TypeScript
- Design Systems
- UI Components
- Accessibility
- WCAG
- Data Visualization
- AI
- Jest
- Cypress
- Web Applications
- Digital Products
How to get hired
- Tailor your resume: Highlight front-end, PWA, TypeScript, and design system experience.
- Showcase portfolio: Demonstrate projects with data visualization or AI interfaces.
- Emphasize collaboration: Detail experience working with designers and backend developers.
- Prepare for technical questions: Be ready to discuss TypeScript, testing, and WCAG standards.
- Apply through Haystack: Follow their specific application process for this role.
Technical preparation
Master TypeScript and its features.,Practice building reusable UI components.,Familiarize with Jest and Cypress testing.,Study WCAG accessibility standards.
Behavioral questions
Describe a complex UI challenge.,How do you collaborate with designers?,How do you ensure accessibility?,Tell me about maintaining design systems.
Frequently asked questions
- What are the key technical skills for a Senior UI Engineer at this Haystack partner?
- The Senior UI Engineer role requires deep expertise in TypeScript, experience with testing frameworks like Jest and Cypress, and a strong understanding of design systems. Familiarity with Progressive Web Applications and optimizing for accessibility standards (WCAG) is also crucial.
- How important is experience with AI in this Senior UI Engineer position?
- While not the sole focus, experience with AI, agents, and hyper-personalized interfaces is a significant advantage for this Senior UI Engineer role. It indicates an ability to work with modern, cutting-edge technologies and create advanced digital products.
- What kind of digital products will I be working on as a Senior UI Engineer?
- As a Senior UI Engineer, you'll focus on creating highly immersive, functional, and interactive digital solutions. This includes web-based applications, data visualization dashboards, and potentially AI-driven interfaces, all aimed at revolutionizing user interaction.
- Does this Senior UI Engineer role involve working with design systems?
- Yes, a deep understanding and experience with design systems are essential. The role involves contributing to and maintaining component libraries, style guides, patterns, and guidelines to ensure consistency across digital products.
- What does 'Human-Centered best practices' mean for this Senior UI Engineer role?
- Human-Centered best practices imply a focus on the end user throughout the development lifecycle. For this Senior UI Engineer role, it means ensuring applications are intuitive, accessible (WCAG standards), and provide a delightful user experience.
- How can I best prepare my resume for the Senior UI Engineer role?
- To prepare your resume for the Senior UI Engineer position, emphasize your 4-6 years of front-end and PWA experience. Clearly list your expertise in TypeScript, design systems, data visualization, and any experience with AI or adaptive agent workflows.
- What is the application process for this Senior UI Engineer job?
- The application process for this Senior UI Engineer role is through Haystack. Ensure you follow their specific instructions for submitting your application, likely involving uploading your resume and potentially answering supplementary questions.