Senior Full Stack Engineer

Featherlessai

Toronto, ON, Canada Remote permanent

Posted: January 14, 2026

Required Skills

Job Description

About the Role

Featherless.ai is building the world’s most reliable and comprehensive open-model inference platform — the infrastructure powering the next generation of AI creators, startups, and enterprises. Our serverless approach to inference unlocks the best GPU utilization in AI infrastructure.

We're hiring a Senior Full-Stack Engineer to own the evolution of our user-facing platform — the model catalog, documentation, and tools that make Featherless the best place to find and use AI models.

The Platform Team builds the interfaces between our users and our inference cloud - both UI and API. This includes model discovery, API key management, usage analytics, billing dashboards, and the overall developer experience that keeps builders coming back.

What You'll Do

As a Senior Full-Stack Engineer on the Platform team, you will:

• Own product development end-to-end — from diagraming user flows to shipping production features

• Drive UX decisions — wireframe new features, iterate on existing interfaces, and advocate for user needs

• Build and maintain our web platform — model catalog and explorer, dashboard, documentation site, and developer tools

• Collaborate with the API team — ensure seamless integration between frontend experiences and backend capabilities

• Respond to user feedback — triage issues, identify patterns, and rapidly ship improvements

• Scale with our growth — evolve the platform architecture as we onboard more models, users, and use cases

What You'll Bring

Required:

• 5+ years of full-stack engineering experience with production web applications

• Strong frontend skills with modern JavaScript frameworks

• Backend experience with Node.js and API development

• Ability to wireframe and prototype UX flows (Figma, Sketch, or similar tools)

• Experience with databases and caching layers

• First-hand experience building with LLMs and familiarity with popular open models

• Track record of shipping features independently with minimal oversight

Preferred:

• Experience with our stack: Nuxt, Vue, TypeScript, Node.js, MongoDB, Redis, Vercel, Cloudflare, Kubernetes

• Background in developer tools, API platforms, or infrastructure products

• Design sensibility and passion for craft in user interfaces

• Experience with analytics tools and data-driven product decisions

• Familiarity with billing/subscription systems

Working Style:

• Bias to action — ship early, iterate based on real usage

• User-focused — prioritize fixing pain points over building new features

• Collaborative — work effectively with a small, senior team

• Data-driven — believe that "done" means proven by usage metrics

• Self-directed — comfortable with ambiguity and defining your own path forward

About the Team

You'll be joining a small but growing team where senior engineers have significant autonomy and impact. As an early senior full-stack hire, you'll shape our product direction and engineering culture.

This team operates on Eastern Time. We are remote, with a preference to hire in Toronto, Canada.

What We Offer:

• An opportunity to build the future at the forefront of AI

• Flexible, remote work and an environment offering the highest possible autonomy and agency

• Membership in a highly technical and skilled team, including AI researchers of global reknown

• Growth opportunities as we grow and scale

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