About the role

Role: UI Engineer

Build and improve responsive front-end applications, turning designs into production-ready features—potentially including AI-driven functionality.

Responsibilities

Develop, maintain, and enhance responsive front-end applications
Convert UI/UX designs, wireframes, and mockups into functional UI
Design and implement AI-driven features, integrations, or automation workflows
Ensure cross-browser compatibility, mobile responsiveness, and strong performance
Collaborate with designers, backend engineers, and product teams
Optimize for scalability, accessibility, and page speed
Maintain clean, reusable, well-documented code
Stay current with emerging front-end, mobile, and AI technologies

Requirements

Strong proficiency with React.js, React Native, JavaScript (ES6+), HTML5, and CSS3
Experience with TypeScript and REST API integrations
Solid understanding of responsive design and cross-browser compatibility
Experience with Git
Knowledge of web accessibility standards (WCAG/ADA)
Strong debugging, problem-solving, and performance optimization skills
Bachelor’s degree in Computer Science or related field

Nice to have / What’s on offer

Opportunity to work on cutting-edge AI-driven features
Collaborative, innovative team and exposure to diverse global projects
Competitive hourly rate

About Haystack

Haystack partners with a product and digital engineering firm that builds and transforms products, platforms, and services for a diverse global clientele. The work focuses on modern front-end engineering and delivering impactful solutions through collaborative, technology-forward teams.