Overview
News
Technologies
Salaries
Products
People
Growth
Jobs
Financials
Overview
Scale AI is an American company founded in San Francisco in 2016 that supplies the training data, evaluation and tooling behind large artificial intelligence systems. It began with human-labelled annotation for autonomous driving and computer vision, then expanded into reinforcement learning from human feedback, expert data generation, model evaluation and full-stack deployment platforms for enterprises and governments. In 2025 Meta acquired a large minority stake and hired co-founder Alexandr Wang, after which the company continued under new leadership serving defence, public sector and commercial customers.
News
Postgres SELECT DISTINCT Does Not Scale DBOS
Postgres SELECT DISTINCT performs surprisingly poorly. We explain why and how we mitigated it.
Read more
Report
Scale Marketing Names Industry Veteran Christine Formenti Vice President of Traditional Media - AOL
Read more
Report
How Lovable stores code at scale with Code.Storage
How Lovable scales 8M+ new repos per week on Code.Storage with 99.99% uptime.
Read more
Report
Sleeping at Scale
When hundreds of thousands of Buildkite Agents wake up at once, a simple one-second loop can become a distributed-systems problem. Jitter helps, but where and when you add it matters.
Read more
Report
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Technologies
Tech DNA
Python
JavaScript
TypeScript
React.js
PyTorch
FastAPI
PostgreSQL
ElasticSearch
DynamoDB
AWS
GCP
Azure
LLM
ChatGPT
Claude
AI/ML
Python
SQL
C++
AI Agents
AWS
Kubernetes
GCP
Azure
LLM
Scale AI
Docker
Fine-tuning
RLHF
CI/CD
Reinforcement Learning
Terraform
Post-training
Vector
RAG
LLM Guardrails
Function Calling
PostgreSQL
Platform Engineering
Model Context Protocol
Human-in-the-Loop
Multimodal AI
GRPO
Edge AI
IAM
Embeddings
Computer Vision
ChatGPT
SFT
Pre-training
Semantic Search
Prompt Engineering
PyTorch
Semantic Search
LLM Evaluation
OpenAI
CircleCI
Copilot
Knowledge Graph
Context Engineering
PPO
ElasticSearch
AIOps
Pulumi
Amazon Kinesis
GitLab
CUDA Toolkit
Claude
LangChain
Flash Attention
OpenHands
Flink
DPO
Knowledge Distillation
DynamoDB
Snowflake
CloudFormation
Helm
GitHub Actions
QEMU
GitHub
Ray
LlamaIndex
TensorFlow
Synthetic Data
Anomaly Detection
Triton
CUDA
Lovable
Replit
A2A
EU AI Act
Red Teaming
Presto
Redis
Trino
pySpark
Incident Management
Bicep
SLI/SLO/SLA
Datadog
Grafana
Prometheus
Azure DevOps
GitLab CI
Jenkins
Ansible
Harbor
Self-Healing
AWS Step Functions
Reranking
LangGraph
SGLang
TensorRT
TensorRT-LLM
vLLM
Chain-of-Thought
LoRA
PEFT
VLM
Spark
Dagster
dbt
Hallucination
OCR
ISO 42001
Hugging Face
NIST AI RMF
AutoGen
CrewAI
Cursor
NumPy
CLIP
Diffusion Models
Self-Supervised Learning
Transformers
Security
JavaScript
Go
Rust
PowerShell
C
SOC 2
ISO 27001
FedRAMP
Okta
GDPR
NIST 800-53
Zero Trust
HIPAA
Wiz
NIST 800-171
Threat Modeling
CVE
FFmpeg
GCC
CAPA
Frontend
TypeScript
React.js
Next.js
Figma
Angular
Tailwind CSS
Backend
Node JS
Java
C#
.NET
FastAPI
Flask
Nest.JS
GraphQL
gRPC
Apache Kafka
Robotics
Sensor Fusion
Imitation Learning
Teleoperation
Motion Planning
SLAM
Digital Twin
ROS
ROS2
Isaac Gym
MuJoCo
Reinforcement Learning
Sim-to-Real
Other
Apex
ETL/ELT
Jira
Linear
Miro
Tableau
A/B Testing
Slack
Airtable
MuleSoft
PoC Library
Rollup
Notion
Google Workspace
HubSpot
Salesforce
Zendesk
Stack modernity
79/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
Python
63 jobs
Required
$302k
+68% vs market
AI Agents
58 jobs
Required
$311k
+41% vs market
AWS
54 jobs
Required
$293k
+58% vs market
Kubernetes
51 job
Required
$291k
+63% vs market
GCP
50 jobs
Required
$302k
+59% vs market
Azure
46 jobs
Required
$302k
+80% vs market
LLM
43 jobs
Required
Scale AI
35 jobs
Required
$259k
+4% vs market
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
20%
CI/CD
16%
AWS
16%
JavaScript
15%
SQL
15%
AI Agents
14%
Share of companies in the same industry that use each technology.
Stack changes
Knowledge Distillation
Aug 2026
AWS Step Functions
Aug 2026
NIST AI RMF
Aug 2026
Red Teaming
Aug 2026
Hugging Face
Aug 2026
A/B Testing
Aug 2026
Human-in-the-Loop
Aug 2026
EU AI Act
Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Jobgether
NVIDIA
Weekday
Adobe
Bosch
Booz Allen Hamilton
Salary insights
Compensation ranges based on this company's open jobs
Median
$293k
Typical range
$225k – $362k
Open positions
15
7
Jobs
Junior
14.3%
Senior
57.1%
Staff
28.6%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 1 | $311k | $311k |
| Senior | 4 | $302k | $279k – $342k |
| Staff | 2 | $336k | $311k – $362k |
Highest paying role
Staff Software Engineer, Public Sector
$362k
Normalized to USD per year
Products
Outlier
Outlier is Scale's marketplace where domain experts contribute training and evaluation data for frontier models. Contributors work remotely on writing, coding, mathematics and specialist review tasks.
outlier.ai
Scale Donovan
Donovan is Scale's AI decision-making platform built for defence and intelligence workflows. It runs in classified environments and summarises, searches and reasons over mission data.
scale.com
Scale Evaluation
Scale Evaluation measures model capability and safety using expert-built benchmarks and adversarial testing. Frontier laboratories and public agencies use it for independent assessment.
scale.com
Scale GenAI Platform
The GenAI Platform helps enterprises fine-tune, retrieve over and deploy generative models on their own data. It bundles evaluation, guardrails and monitoring for production use.
scale.com
Scale Data Engine
The Data Engine is Scale's platform for producing, curating and quality-checking training data at industrial scale. It combines human annotators with automated tooling and active learning to prioritise the most useful examples.
scale.com
People
Jason Droege
Chief Executive Officer
Jason Droege became chief executive of Scale AI in 2025 after running its enterprise business. He previously founded and led Uber Eats.
Lucy Guo
Co-Founder
Lucy Guo co-founded Scale AI and led early design and product work. She departed in 2018 and later founded the creator platform Passes.
Alexandr Wang
Co-Founder & former Chief Executive Officer
Alexandr Wang co-founded Scale AI in 2016 while at the Massachusetts Institute of Technology and led it as chief executive for nearly a decade. He left in 2025 to lead Meta's superintelligence effort and remains a Scale board member.
Growth
Hiring Momentum
62/100
Growing
Open positions
131
3 opened / 6 closed in 30 days
Median time-to-fill
201 days
faster than 7% of the market
ATS activity
Every ~2 hours
Today
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
19% ▼
Product
19% ▼
AI/ML
17% ▲
Executive
14% ▲
DevOps
9% ▲
Security
7% ▲
Actively hiring for Product (+5 in 30 days)
Activity Timeline
New location: Colorado Springs
Aug 2026
New location: Riyadh
Aug 2026
Added CUDA to stack
Aug 2026
Added Triton to stack
Aug 2026
Added CVE to stack
Aug 2026
Added Self-Healing to stack
Aug 2026
Added gRPC to stack
Aug 2026
New location: Austin
Aug 2026
Added Harbor to stack
Aug 2026
Added Hallucination to stack
Jul 2026
+6 jobs in a week
Jul 2026
Jobs
≈ $268k – $481k per year (Estimated) • Equity • In office • Full-Time • 10+ years exp • New York
Apply
≈ $223k – $453k per year (Estimated) • Equity • In office • Full-Time • Washington
Scale AI
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Terraform
Cybersecurity
FedRAMP
Apply
≈ $220k – $476k per year (Estimated) • In office • 8+ years exp • London
Python
Embeddings
Fine-tuning
AI Agents
RAG
DevOps
CI/CD
Apply
In office • 10+ years exp • Doha
Apply
≈ $156k – $326k per year (Estimated) • Equity • In office • Full-Time • 5+ years exp • New York
JavaScript
Python
SQL
TypeScript
AI Agents
DevOps
AWS
Azure
CI/CD
Datadog
GCP
Grafana
Helm
Kubernetes
Prometheus
Terraform
Vector
Apply
≈ $77k – $394k per year (Estimated) • Equity • In office • Full-Time • 4+ years exp • Master's Degree • Washington
Python
SQL
Scale AI
Apply
$290k per year • Equity • In office • Full-Time • Colorado Springs
Python
Scale AI
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Analytics
ETL/ELT
Apply
≈ $232k – $508k per year (Estimated) • Equity • In office • Full-Time • Master's Degree • San Francisco
Fine-tuning
LLM
Multimodal AI
Reinforcement Learning
RLHF
Post-training
SFT
Apply
≈ $232k – $508k per year (Estimated) • Equity • In office • Full-Time • Master's Degree • San Francisco
Fine-tuning
LLM
Multimodal AI
Reinforcement Learning
RLHF
Post-training
SFT
Apply
Technical Program Manager (Homeland Layered Defense), Public Sector
Verified live · 2 hours ago 6 days ago≈ $197k – $355k per year (Estimated) • Equity • In office • Contractor • 5+ years exp • Bachelor's Degree • Washington
Python
SQL
AI Agents
DevOps
GitLab
Management
Jira
Apply
Technical Program Manager (Homeland Layered Defense), Public Sector
Verified live · 2 hours ago 7 days ago≈ $154k – $317k per year (Estimated) • Equity • In office • Contractor • 5+ years exp • Bachelor's Degree • Colorado Springs
Python
SQL
Synthetic Data
AI Agents
DevOps
GitLab
Management
Jira
Apply
≈ $162k – $372k per year (Estimated) • Equity • In office • Full-Time • 3+ years exp • Bachelor's Degree • San Francisco
Multimodal AI
AI Agents
Apply
Show more jobs
Financials
Total raised
$1.4B
Latest round
Series E
Funding rounds
5
Investors
5
Funding rounds
| Round | Announced | Amount | Valuation |
|---|---|---|---|
| Series E | 2024 | $1B | $13.8B |
| Series D | 2021 | $325M | $7.3B |
| Series C | 2019 | $100M | $1B |
| Series B | 2018 | $18M | — |
| Series A | 2017 | $4.5M | — |
Key Investors
NVIDIA
NVIDIA joined Scale AI's Series F financing in 2024 alongside other strategic investors. The chipmaker backs companies across the AI data and tooling layer.
nvidia.com
Meta
Meta paid roughly fourteen billion dollars in 2025 for a large minority stake in Scale AI. The deal also brought co-founder Alexandr Wang to Meta's AI organisation.
meta.com
Founders Fund
Founders Fund led Scale AI's Series E at a seven billion dollar valuation. The firm focuses on deep technology and defence-adjacent companies.
foundersfund.com
Index Ventures
Index Ventures led Scale AI's Series B financing in 2018. The firm backs technology companies in Europe and the United States.
indexventures.com
Accel
Accel led Scale AI's Series A and Series C rounds and has remained a core shareholder. The firm invests across enterprise and infrastructure software.
accel.com