
at TwentyAI
Recruitment AgenciesPosted 13 days ago
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**Fullstack Engineer:** Own core product components, drive architectural decisions at AI startup. 2+ years' experience shipping high-scale systems, full-stack expertise (backend, data models, frontend). Collaborate with founders, define complex processes. Remote considered initially, with relocation support (New York). Equity, comprehensive benefits, and impactful work. US citizenship or greencard required.
- Compensation
- $150,000 – $220,000 USD
- City
- New York City
- Country
- United States
Currency: $ (USD)
Full Job Description
Fullstack Engineer
Seed stage AI startup
Onsite in New York (remote considered initially, with relocation support)
$150,000 - $220,000 + equity
A venture-backed company building the infrastructure that controls how the world's most sensitive technologies get accessed, so they end up in the right hands and never the wrong ones.
What you'll do
-
Own a core part of the product end to end, covering a distinct set of user personas
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Drive real architectural decisions that shape how the platform scales
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Scope and define requirements for complex processes with multiple stakeholders
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Build to the performance, accessibility and security bar enterprise customers expect
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Take part in code reviews and architecture discussions, and help raise the engineering bar across the team
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Work closely with the founding engineering team on the product's direction
What we're looking for
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2+ years of engineering experience shipping complex, high-scale systems
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A track record of taking a feature from a vague problem to a shipped product, working directly with end users
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Comfortable in a small, high-velocity team that runs on autonomy
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Genuinely uses AI coding tools and keeps experimenting with new ones
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Full-stack experience: backend, data models and frontend
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Based in or willing to relocate to New York
Why join?
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Meaningful equity at an early, critical stage of growth
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Comprehensive health, dental and vision cover
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Real influence over the architecture of a genuinely consequential platform
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Direct access to leadership
Important to flag: must be a US Citizen or Greencard Holders





