Prototype Developer

5-10 Years

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Early Applicant

Job Description

Key Responsibilities

Develop high-fidelity prototypes to support concept exploration, user testing, and stakeholder alignment.
Develop interactive UI prototypes for HMI logic and user flows.
Collaborate with UX designers and HMI teams on requirement translation.
Own end-to-end prototype development for assigned features.
Ensure prototypes represent vehicle state management accurately.
Translate UX wireframes, flows, and design specifications from Figma into interactive prototypes.
Build web-based prototypes using Angular/HTML/CSS/JavaScript to simulate real product behavior.
Create immersive, interactive prototypes in Unity (2D/3D UI, basic physics, animation triggers, interaction models).
Collaborate with UX designers, product owners, researchers, and engineering teams to refine interactions and usability.
Integrate realistic content, motion, transitions, and micro-interactions to reflect intended experience quality.
Ensure prototype performance and stability across browsers/devices (for web) or platforms (for Unity).
Support user testing sessions by preparing scenarios, flows, and prototype versions.
Document prototype architecture and deliverable structure for handoff to engineering teams.
Rapidly iterate based on design feedback, research findings, and stakeholder input.

Essential

Qualifications & Experience

5-8+ years experience in UX prototyping, interaction design, front-end development, or related field (B.E/B.Tech preferred)
Proficiency in Angular, HTML5, JavaScript, CSS, Node.js for building interactive web prototypes.
Expertise in responsive web layouts and dynamic interactivities
Strong DOM management and SPA development with Angular
Proficient in Figma, Adobe Creative Suite
Solid web standards and cross-browser compatibility knowledge
Ability to rapidly prototype and iterate in an agile development process.
Ability to interpret and implement UX flows, wireframes, and motion specifications.
Strong understanding of interaction design, usability principles, and UX best practices.
Hands-on experience in Unity for prototyping 2D/3D UI and interaction models

Desirable

Personal Attributes

Strong problem-solving and troubleshooting skills.
Comfortable working in ambiguous, fast-paced concept environments.
Detail-oriented with a high bar for quality.
Collaborative mindset with ability to partner effectively with designers and engineers.
Strong communication skills and ability to collaborate with cross-functional teams.