Frontend Engineer (AI)

TL;DR

Frontend Engineer (AI/React): Building and prototyping AI-native product interfaces for a proactive AI smart assistant with an accent on HCI, streaming responses, and multi-step task flows. Focus on creating interaction models that make AI behavior understandable and controllable while ensuring high usability and performance.

Location: Hybrid in London, United Kingdom

Company

hirify.global is developing A1, a proactive AI smart assistant designed to bring intelligence to everyday conversations, errands, and workflows.

What you will do

• Build and prototype AI-native product interfaces across web and mobile platforms.
• Create functional prototypes of new HCI interaction models, including streaming responses and real-time feedback loops.
• Translate design concepts into responsive, high-quality code with a focus on usability and motion.
• Experiment with UI patterns to communicate AI progress, uncertainty, confidence, and recovery.
• Develop interfaces that enable users to supervise, correct, and redirect AI behavior.
• Collaborate with product, design, and ML teams to rapidly validate interaction ideas.

Requirements

• Strong frontend engineering skills in React and TypeScript.
• Experience building interaction-heavy or experimental interfaces.
• Strong product and UX instincts to identify usability issues from a user's perspective.
• Ability to prototype rapidly in ambiguous environments with incomplete specifications.
• Deep understanding of animation, responsiveness, and frontend architecture.
• Interest in HCI interfaces and designing for trust, control, and transparency.

Culture & Benefits

• High talent density environment with a hands-on, collective decision-making approach.
• Fast-paced shipping cycle that balances high quality with continuous learning.
• Opportunity to contribute to a world-class team building a globally impactful AI product.
• Transparent and efficient culture with prompt decision-making.

Hiring process

• Submission of a portfolio (required for design-oriented roles).
• Two rounds of interviews via virtual meetings and/or onsite.
• Design assessment.