Fortyfive
fortyfive.ai
Actively hiring
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Technologies
Tech DNA
C++
Python
GLSL
ROS
ROS2
Isaac Lab
Gaussian Splatting
AI/ML
OpenAI
Physical AI
Synthetic Data
Reinforcement Learning
Gaussian Splatting
NeRF
Games
GLSL
HLSL
JavaScript
Unity
Shader Graph
Unreal Engine
Robotics
C++
Python
Sim-to-Real
ROS
ROS2
Isaac Sim
MuJoCo
Digital Twin
Isaac Gym
Isaac Lab
PyBullet
Reinforcement Learning
Other
Three.JS
Stack modernity
70/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
Synthetic Data
13 jobs
Required
OpenAI
13 jobs
Required
Physical AI
13 jobs
Required
C++
4 jobs
Required
Sim-to-Real
4 jobs
Required
Unity
3 jobs
Required
Python
3 jobs
Required
ROS
3 jobs
Required
Salary medians are calculated from this company's open jobs and compared with the market.
Stack changes
JavaScript
Sep 2026
Three.JS
Sep 2026
NeRF
Sep 2026
Gaussian Splatting
Sep 2026
Reinforcement Learning
Sep 2026
Reinforcement Learning
Sep 2026
PyBullet
Sep 2026
Isaac Lab
Sep 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
NVIDIA
42dot
Qualcomm
Bosch
1X Technologies
Growth
Hiring Momentum
58/100
Growing
Open positions
13
0 opened / 0 closed in 30 days
ATS activity
Every ~1 hours
09/11/2026
Hiring Dynamics
+100%
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.
Backend
23% ▼
Executive
15% ▼
Product
15% ▼
Management
15% ▼
Games
8% ▼
Robotics
8% ▼
Activity Timeline
Added JavaScript to stack
Sep 2026
Added Three.JS to stack
Sep 2026
Added NeRF to stack
Sep 2026
Added Gaussian Splatting to stack
Sep 2026
Added Reinforcement Learning to stack
Sep 2026
Added Reinforcement Learning to stack
Sep 2026
Added PyBullet to stack
Sep 2026
Added Isaac Lab to stack
Sep 2026
Added Isaac Gym to stack
Sep 2026
Added MuJoCo to stack
Sep 2026
Added Isaac Sim to stack
Sep 2026
Added Digital Twin to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Mountain View
Mountain View
United States
Sales office
13 open roles 38% engineering
hires for Backend, Executive, Product
Jobs
≈ $164k – $295k per year (Estimated) • In office • Full-Time • 5+ years exp • Mountain View
Synthetic Data
OpenAI
Physical AI
Apply
≈ $164k – $295k per year (Estimated) • In office • Full-Time • 5+ years exp • Mountain View
Synthetic Data
OpenAI
Physical AI
Game Dev
Unity
Apply
≈ $105k – $269k per year (Estimated) • In office • Full-Time • Mountain View
Python
Synthetic Data
OpenAI
Physical AI
Game Dev
Unity
Unreal Engine
Shader Graph
HLSL
GLSL
Apply
≈ $144k – $336k per year (Estimated) • In office • Full-Time • 7+ years exp • Mountain View
C++
Synthetic Data
OpenAI
Physical AI
Robotics
ROS
ROS2
Sim-to-Real
Apply
≈ $149k – $347k per year (Estimated) • In office • Full-Time • 7+ years exp • Mountain View
Synthetic Data
OpenAI
Physical AI
Robotics
Isaac Sim
MuJoCo
Digital Twin
Apply
≈ $132k – $265k per year (Estimated) • In office • Full-Time • 3+ years exp • Mountain View
Python
C++
Synthetic Data
OpenAI
Physical AI
Robotics
ROS
ROS2
Apply
≈ $132k – $267k per year (Estimated) • In office • Full-Time • 3+ years exp • Mountain View
Python
C++
Reinforcement Learning
Synthetic Data
OpenAI
Physical AI
Robotics
PyBullet
Isaac Gym
Isaac Sim
MuJoCo
Isaac Lab
Sim-to-Real
Reinforcement Learning
Apply
≈ $132k – $267k per year (Estimated) • In office • Full-Time • 3+ years exp • Mountain View
JavaScript
Synthetic Data
Gaussian Splatting
OpenAI
NeRF
Physical AI
Frontend
Three.JS
Game Dev
Unity
Apply
≈ $116k – $241k per year (Estimated) • In office • Full-Time • 3+ years exp • Mountain View
C++
Synthetic Data
OpenAI
Physical AI
Robotics
ROS
ROS2
Sim-to-Real
Apply