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1851 Labs Linkedin · Posted 10d ago

Software Engineer (AI, Full Stack)

Canada

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Careers

Come build the most fun place on the internet.

The internet has gotten very good at holding your attention and not very good at making you more imaginative. We’re working on the second part. People have made 100M+ things on GenTube so far, millions more every month.

We’re not building a productivity tool. We think play is how imagination grows.

100M+creations made

5people, so far

~2sper creation

Torontohome base

Open roles

  • Software Engineer (AI, Full Stack)
  • Machine Learning Engineer
  • Research Engineer
  • Designer
  • Growth
  • Operations

Software Engineer (AI, Full Stack)

  • A product hacker who cares about what users enjoy, not just code.
  • Can build and launch a full consumer feature in 3 hours: app, backend, analytics.
  • Turns new AI models into features used millions of times monthly.
  • Strong record: shipped something that served at least 10,000 users.

Stack: TypeScript, Node.js, React, Convex, diffusion models, low-latency LLMs.

Apply →

Machine Learning Engineer

  • Owns a GPU fleet serving millions of images a month.
  • Can get a new model, paper, or codebase working within a day.
  • Knows models deeply: changes layers, boosts speed, cuts costs, builds features.
  • Uses image and video models for fun. Follows new AI research closely.

Stack: PyTorch, diffusion models, low-latency LLMs, GPU infra, inference optimization.

Apply →

Research Engineer

  • Makes models 10–100× faster, cheaper, more hallucinative.
  • Knows every optimization trick. Invents the missing ones.
  • Writes the paper, builds the system, proves it works.
  • Curious by default.

Stack: PyTorch, CUDA, diffusion models, quantization, distillation, inference optimization.

Apply →

Designer

  • Designs create flows people play in for 15+ minutes straight.
  • Ships own designs in React: Figma to production in days.
  • Reads PostHog daily: kills flows that don’t lift day-1 return.
  • Portfolio shows shipped work with 10,000+ real users, not mockups.

Tools: Figma, React/CSS, PostHog.

Apply →

Growth

  • Grows an audience from zero on TikTok and Instagram. Has done it before.
  • Posts every day, tests hooks, kills what doesn’t land inside a week.
  • Turns attention into signups, and proves it with numbers, not followers.
  • Automates the boring parts so one person posts like a team.

Tools: TikTok, Instagram, CapCut, PostHog.

Apply →

Operations

  • Sits next to the founders and makes the whole company move faster.
  • Hunts for growth. Builds systems that turn what works into a machine.
  • Relentless, resourceful, allergic to "someone should."

Apply →

What you get

  • Top-of-market salary, full benefits.
  • Meaningful equity. Backed by top consumer investors.
  • You ship it, the world uses it.
  • Play is the work here, not a perk.

Interested to apply? Just email us: [email protected]
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