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Applicantz

HCI & UI Developer

Hybrid

Toronto, Canada

Junior

Freelance

21-01-2026

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Skills

Creativity Python JavaScript TypeScript Data Visualization Problem-solving Research react Next.js

Job Specifications

Hybrid in Toronto, no set days to be in office as such.

We are looking for an HCI & UI Developer to help design and build intuitive, high-impact user interfaces for our research platforms. You will contribute to foundational UI components that enable engineers and designers to interact with complex, AI-driven systems—especially in 3D and CAD-adjacent environments. This role is ideal for a frontend engineer who enjoys working close to research teams and translating complex technical concepts into elegant, usable interfaces.

Qualifications:

3+ years of professional UI / Frontend development experience
Strong expertise in React and Next.js
Advanced proficiency in TypeScript and JavaScript
Solid understanding of UI/UX and HCI principles
Experience building responsive, scalable web applications
Strong problem-solving and collaboration skills.
Education - Bachelor of Computer Science or similar

Responsibilities:

Design and develop an interactive decomposition canvas for mechanical assemblies
Build core HCI components enabling smooth, responsive user interactions
Develop UI for requirements capture, guided inputs, and structured data editing
Implement authentication flows and per-user project persistence UI
Create UI controls for simulation output visualization and kinematic movement in 3D contexts
Collaborate closely with research scientists and engineers to refine UI concepts
Participate in iterative design and feedback cycles, improving usability and performance.

Preferred Qualifications:

Experience with Three.js or other 3D web visualization libraries
Familiarity with CAD tools or engineering/design workflows
Exposure to data visualization or graph-based UI frameworks
Python experience, especially with LangGraph or LLM agents
Experience using AI-assisted development tools (Cursor, Copilotkit, etc.)

Our Fortune Technology client is ranked as one of the best companies to work with in the world. As a global leader in 3D design, engineering, and entertainment software, they foster a progressive culture, creativity, and a flexible work environment using cutting-edge technologies.

About the Company

Empowering businesses of all sizes with access to bright talent for project solutions, staffing, and freelance expertise. We are a global powerhouse with a robust presence across key regions worldwide, including the USA, Canada, Singapore, Saudi Arabia, India, and the Philippines, among many others. Know more