New YorkOn-site · 3+ yrs
$220k - $300k+ equity
Plastic Labs
Plastic Labs is an AI infrastructure company founded in 2023 that combines machine learning with cognitive science, backed by prominent investors and committed to open-source AI and user-centric data practices.
- Location
- New York
- On-site · 2 roles
- Team size
- 11-50
- Founded 2023
- Total raised
- $19.3M
- Seed · last round Jun '26
- Salary range
- $190–300k
- + equity · all 2 roles
- Open roles
- 2
Open positions · 2
New YorkOn-site · 3–5 yrs
$190k - $235k+ equity
About Plastic Labs
Plastic Labs is an engineering-driven AI lab founded in 2023 that operates at the intersection of machine learning and cognitive science, headquartered in Williamsburg, Brooklyn's Domino Refinery. The company was started by three co-founders whose combined expertise spans hardware, cloud security, machine learning, and cognitive science, and has grown to approximately 11 team members including a core engineering team of four engineers plus the CTO. Originally launched as an AI tutoring company, Plastic Labs pivoted to infrastructure and is now backed by prominent investors including Long Journey Ventures, Mozilla Ventures, Greycroft, and Betaworks, with notable angel investors from Weights & Biases, Arcee AI, and early Facebook engineers. The company is committed to open source AI, user-centric data practices, and a decentralized approach to alignment, and has published research validating its methods.
Culture & values
Engineering-driven AI lab culture
High-touch, collaborative culture
Five days a week in-person work at Williamsburg office in Domino Refinery, Brooklyn
Flat organizational structure with everyone reporting directly to the CTO
Culture prizes high-agency autodidacts who thrive with broad freedom and significant responsibility
Values intellectual diversity and interdisciplinary curiosity spanning cognitive science, linguistics, neuroscience, and philosophy
Techno-optimistic mindset
Engineers own end-to-end projects
Team builds in the open
Daily teaching and learning among team members
Engineers engage with users in Discord and act as thought partners on product direction
Generalist mindset where everyone wears multiple hats
Funding
$19.3Mtotal raised
- Jun 2026 · Seed$13.3M
- Apr 2025 · Pre-seed$5.4M
- Aug 2023 · Pre-seed$600k
Company at a glance
The team at Plastic Labs
11-50 peopleSee everyone on LinkedIn
TH
Team breakdown
Team Distribution
- Engineering46%
- Leadership31%
- Operations & Support15%
- Specialized8%
Where the Team Studied
- 1.University of Pennsylvania
- 2.Harvard University
- 3.Yale University
- 4.Columbia University
- 5.Georgia Institute of Technology
Team Worked At
- Microsoft
- IBM
- Tesla
- Amazon Web Services (AWS)
- Sandia National Laboratories
Location
Team Composition
12 people- Engineering and Technical1 senior9
- General Management2 senior2
- Consulting1 senior1
Life at Plastic Labs
Frequently asked questions
Of 2 open roles, Plastic Labs has 2 on-site positions.
Plastic Labs is based in New York.
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