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Bjak

UX Engineer, HCI

United States (Remote)fulltimemidAdded today

About this role

A1 is seeking a UX Engineer to design and build AI-native interfaces that make intelligent systems understandable and controllable for everyday users. You'll prototype novel interaction patterns for AI workflows across web and mobile, working at the intersection of design and engineering where established conventions don't yet exist.

What you'll do

  • Prototype and ship AI-native interfaces across web and mobile platforms
  • Create functional prototypes for streaming responses, multi-step tasks, and real-time feedback loops
  • Develop UI patterns that clearly communicate progress, uncertainty, confidence, and failure states
  • Build interfaces enabling users to supervise, correct, and redirect AI behavior effectively
  • Collaborate with product, design, and ML teams to validate interaction concepts rapidly
  • Identify and resolve usability, performance, and state management issues in AI interfaces

What they're looking for

  • React and TypeScript
  • Interaction design and prototyping
  • Frontend architecture and performance optimization
  • Animation and UI responsiveness
  • Product and UX instincts
  • Rapid prototyping in ambiguous environments
  • HCI and trust/transparency design
  • Cross-functional collaboration
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Bjak

Bjak is a Southeast Asian fintech super app offering insurance, payments, savings, wallets, and investment products through a unified platform. The company is hiring full stack engineers, backend engineers, iOS developers, and Android engineers to build scalable features and reliable systems across mobile and web products.

Website
bjak.com
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Likely interview questions

  • Tell us about a time you built an experimental or interaction-heavy interface. What made it challenging and how did you validate the UX?
  • How would you design an interface that shows an AI system's confidence level and allows users to correct or redirect its behavior?
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