PSI
Artificial Intelligence · AI Research Labs
8open roles
1backers · Variant
86 daysmedian time a role stays open
Btruth index, 83 of 100
Overview
Twenty-first-century civilization runs on twentieth-century physics. Physical superintelligence is intelligence grounded in physical law and accountable to experiment.
How PSI hires
Truth index
B 83/100
Median time to fill
86 days
Ghost roles
20%
Stale roles
0%
Reposted roles
0%
PSI scores B on the Alion truth index (A is best, E worst), measured over 10 open roles re-checked against its own hiring board: 20% look like ghost listings, 0% have gone stale and 0% are the same role posted again. Its roles close in a median of 86 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Funding and backers
Hiring now
10
+1 posted in 30 days
Backers
1
Variant
Momentum
4/100
hiring for its size
Last sign of life
2 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jan 2026
Website went live first capture in the Wayback Machine
Tractionpublic signals, read monthly
Hacker News stories
1
best: 2 points
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
We believe the path to superintelligence is continual learning. Qwerky AI is building toward local intelligence that learns with you and…
Superintelligence that manages your financial life.. 01.
Ineffable Intelligence is an AI research company whose mission is to make first contact with superintelligence.
Dedicated to verified superintelligence via autoformalization.
The superintelligence whose only goal is to build your outbound pipeline.
1 Supercompany, 7 Frontier Labs building toward Superintelligence (SI) — an Everything Supercompany for Humanity.
Jobs
≈ $167k – $332k per year (Estimated) · Hybrid · Full-Time · 3+ years exp · Boston
Python
C
C++
MPI
AI/ML
vLLM
Quantization
AI Agents
SGLang
Mixture of Experts
CUDA
Triton
NCCL
InfiniBand
KV Cache
DevOps
SLURM
HPC
SpaceTech
OpenFOAM
Apply
≈ $175k – $348k per year (Estimated) · Hybrid · Full-Time · 3+ years exp · Boston
RLHF
Reinforcement Learning
JAX
Function Calling
AI Agents
PyTorch
GRPO
Post-training
Reward Modeling
Apply
≈ $164k – $325k per year (Estimated) · Hybrid · Full-Time · PhD · Boston
JAX
AI Agents
PyTorch
Machine Learning
Apply
≈ $160k – $318k per year (Estimated) · Hybrid · Full-Time · 3+ years exp · Boston
Python
JavaScript
TypeScript
AI Agents
Structured Outputs
Frontend
React.js
Apply
≈ $170k – $338k per year (Estimated) · Hybrid · Full-Time · 3+ years exp · Boston
vLLM
Quantization
AI Agents
SGLang
PyTorch
LLM
Ray
CUDA
Triton
FSDP
LLM Evaluation
KV Cache
DevOps
GCP
AWS
Kubernetes
Platform Engineering
Apply
≈ $165k – $296k per year (Estimated) · Hybrid · Full-Time · 5+ years exp · PhD · Boston
AI Agents
Apply
≈ $185k – $346k per year (Estimated) · Hybrid · Full-Time · 8+ years exp · Boston
RLHF
Reinforcement Learning
Function Calling
AI Agents
GRPO
Post-training
Reward Modeling
DevOps
Platform Engineering
Apply
≈ $164k – $325k per year (Estimated) · Hybrid · Full-Time · 3+ years exp · Boston
Python
AI Agents
Machine Learning
Robotics
Digital Twin
Apply
Growth
Hiring Momentum
22/100
Hiring freeze
Open positions
10
0 opened / 0 closed in 30 days
Median time-to-fill
86 days
faster than 14% of the market
ATS activity
Every ~6 hours
Today
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
AI/ML
57% ▼
Product
14% ▼
HR
14% ▼
Operations
14% ▲
Tech stack
Technologies named in job postings at PSI over the last 12 months, by layer, with the share of postings for each.
Technologies in use
53
Postings analysed
18
Stack modernity
68/100AI adopter
Languages
Python28%
SQL11%
C++6%
TypeScript6%
Frameworks & libraries
PyTorch17%
OpenTelemetry11%
SGLang11%
Triton11%
Cloud & platforms
Kubernetes17%
vLLM11%
AWS11%
GCP11%
AI & ML
LLM11%
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Full PSI tech stack
53 technologies · by team · pay by technology · changes · similar stacks
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
VariantVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Boston
Boston
United States
HQ
10 open roles 7 posted in 90 days 70% engineering
hires for AI/ML, Operations, Science & Research