Full-time

Senior Front-End Developer

Posted by humanfirst.ai • Montreal, Montreal (administrative region), Canada

📍 Montreal, Montreal (administrative region) 🕒 March 01, 2026

About the Role

HumanFirst is a leader in providing data-centric tools for natural language, used by many of the largest companies across the world. Using cutting-edge technology, HumanFirst helps teams in their AI transformation journeys by empowering them in the curation, management, and continuous improvement of AI instructions. Our platform accelerates any application where building quality instructions are critical, no matter what underlying technology the agents, workflows, or apps are built on.

We’re looking for a full-time senior front-end engineer with a strong inclination for UI, UX & accessibility . This role is primarily focused on the prototyping and integration of features within our React Typescript application where application performance is paramount. You will also take part in improving the front-end developer experience.

Responsibilities

  • Integrating components with the application core business logic
  • Implementing React-query based A...

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