Fullstack Engineer

The Sentience Company; New York (NY); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Full benefits including healthcare

All meals comped

$200 monthly health stipend

Job summary

The Sentience Company in New York is looking for talented engineers to build innovative technologies that enhance daily life. You will tackle high-impact engineering challenges and work on creating user simulation technology as well as communication platforms that integrate AI.

The ideal candidate has 3–10 years of experience in software development, strong interests in neuroscience, and a passion for building novel products. Competitive compensation and great benefits in a collaborative work environment await you.

Qualifications

• 3–10 years of experience in shipping production software.
• Deep personal interest in video games, music, or sports.
• Experience with AI systems and optimizations.

Responsibilities

• Work directly on high-impact engineering problems.
• Build user simulation tech and communication platforms.
• Create delightful user experiences in product engineering.

Skills

Shipping production software

Experience in Rust, Python, TypeScript, React

Using LLMs in dev workflow

Interest in neuroscience and human psychology

Job description

Build from 0 to 1 across our stack. Build the best search engine for your life’s data. Create delightful, magical user experiences. Highly collaborative, no bureaucracy, just shipping.

What will you do?

You'll work directly on high-impact engineering problems across:

• Our state-of-the-art memory + agent architecture.
  • Build the best user simulation tech: mirror cognition, writing style, and memory.
  • Build the platform to create and operate the agentic version of you.
• Front-end product engineering.
  • Build the most beautiful daily-use app of all time.
  • How can Sentience blend into every surface of your life and work?
• The Sentience communication platform.
  • Build the Human and Sentience communication platform. Build the network for humans and their Sentiences to interact.

About you

We don't hold any of these requirements as hard blockers, and you should reach out if you are excited — even if you don't fit any/all of these.

• 3–10 years shipping production software (startups + former founders preferred).
  • If you want to be a founder someday, we want to give you the skills and exposure to do that.
• Deep passion, obsession, spike in anything — video games, music, sports. Tell us what you are uniquely obsessed with.
• Experience (plus deep personal interest) in at least one of: Rust, Python, TypeScript, React, RAG/VectorDBs, building an agent with tool calling.
• Use LLMs in all aspects of your dev workflow: Claude Code or Cursor power user.
  • Bonus for Vim / Emacs (or equivalent).
• Interest in the human mind, neuroscience, human psychology.
• Fascinated by AI systems/optimizations. Excited about integrating AI research into a product millions of people will use every day.

Compensation

We benchmark against comparable companies and offer 95th+ percentile cash/equity packages. We offer:

• Full benefits, including the best healthcare we could choose.
• NYC, 5 days in person in our beautiful Williamsburg office.
• All meals comped.
• $200 monthly health stipend for commuting, gym, therapy, or whatever else helps you stay healthy and productive.