HQ: Seattle, United States • Robotics AI • Logistics & Warehouse Robotics • Advertising • Logistics • Streaming & OTT Platforms • Cloud Platforms (IaaS & PaaS) • Marketplaces • 5000+ employees • Est. 1994 • Trust A • Hiring 8583, 1361 new
Amazon is an American technology and retail conglomerate founded by Jeff Bezos in 1994 as an online bookstore and headquartered in Seattle, Washington. It operates the world's largest online marketplace together with a global logistics network, physical grocery stores and a third-party seller platform that accounts for most units sold. Amazon Web Services, launched in 2006, is the leading public cloud provider and generates the majority of the group's operating profit, while advertising, Prime Video, Alexa devices and Kuiper satellite broadband round out the business.
Jeff Bezos · Founder & Executive Chairman · decision-maker
Doug Herrington · Chief Executive Officer, Worldwide Amazon Stores · decision-maker
Matt Garman · Chief Executive Officer, Amazon Web Services · decision-maker
Brian Olsavsky · Senior Vice President & Chief Financial Officer · decision-maker
Careers mailbox is known
$165k – $224k per year • Equity • Middle • 3+ years exp • In office (Cupertino, United States) • Bachelor's Degree • Full-Time • Middle
Python
C++
C++
PyTorch C++
AI/ML
Fine-tuning
RLHF
Reinforcement Learning
JAX
PyTorch
LLM
PPO
GRPO
Post-training
AWS Trainium
KV Cache
Machine Learning
TPU
DevOps
AWS
+9
$193k – $262k per year • Equity • Senior • 5+ years exp • In office (Cupertino, United States) • Bachelor's Degree • Full-Time • Senior
Fine-tuning
RLHF
Reinforcement Learning
JAX
PyTorch
LLM
PPO
GRPO
Post-training
AWS Trainium
Machine Learning
DPO
SFT
TPU
DevOps
AWS
+7
$143k – $193k per year • Equity • Middle • 4+ years exp • In office (Bellevue, United States) • Master's Degree • Full-Time • Middle
Python
Java
C++
AI/ML
RLHF
Reinforcement Learning
Function Calling
AI Agents
LLM
RAG
DPO
SFT
PPO
GRPO
Post-training
Multi-Agent Systems
Tool Use
RLAIF
Reward Modeling
DevOps
Linux
Unix
Robotics
Reinforcement Learning
+13
HQ: Santa Clara, United States • AI Agents • Customer Support & Help Desk Software • Workflow & Process Automation (RPA, BPM) • IT Service & Asset Management • 1001-5000 employees • Est. 2004 • Trust B • Hiring 539, 96 new
ServiceNow is an American enterprise software company founded in 2004 by Fred Luddy and headquartered in Santa Clara, California. It began by replacing clumsy IT ticketing systems with a configurable workflow platform, then extended the same engine across employee, customer, security, risk and supply chain processes, so a single system routes work between people and systems across departments. Listed on the New York Stock Exchange, the company now builds AI agents into every workflow through its Now Assist and AI Platform products, and it counts most of the Fortune 500 among its customers.
Nicholas Tzitzon · Executive Officer · decision-maker
Russell Elmer · Executive Officer · decision-maker
William McDermott · Executive Officer, Director · decision-maker
Jacqueline Canney · Executive Officer · decision-maker
Careers mailbox is known
≈ $96k – $174k per year (Estimated) • Senior • 6+ years exp • In office (Montreal, Canada) • High School Diploma • Full-Time • Senior • English • French: C1
Python
AI/ML
Claude Code
DeepSpeed
vLLM
Fine-tuning
Reinforcement Learning
Knowledge Distillation
SGLang
LLM
Mixture of Experts
Synthetic Data
Encoder-Decoder
DPO
SFT
PPO
GRPO
Post-training
Megatron-LM
FSDP
LLM Evaluation
KV Cache
Model Distillation
Reward Modeling
Quantization
Management
ServiceNow
+17
HQ: Shenzhen, China • Esports • Payment Processing & Gateways • Cloud Platforms (IaaS & PaaS) • Game Development • Messaging Apps • Consumer Internet Groups • 1001-5000 employees • Est. 1998 • HKEX: 00700 • Trust B • Hiring 1220, 71 new
Tencent is a Chinese technology conglomerate founded in Shenzhen in 1998 and one of the largest internet companies in the world by revenue. Its WeChat super-app combines messaging, social feeds, payments, mini-programs and official accounts into the default digital layer of Chinese daily life, with well over a billion monthly users. The group is also the biggest video game company on the planet through domestic publishing and stakes in Riot, Supercell and Epic Games, and runs Tencent Cloud, Tencent Music, a large fintech business and the Hunyuan family of foundation models.
Pony Ma · Co-Founder, Chairman & Chief Executive Officer · decision-maker
John Lo · Chief Financial Officer · decision-maker
Allen Zhang · President, WeChat Group · decision-maker
Martin Lau · President · decision-maker
No careers mailbox known
In office (Beijing, China) • Chinese: C1
RLHF
VLM
SFT
PPO
GRPO
Post-training
In office (Beijing, China)
Intern • In office (Tokyo, Japan) • Master's Degree • Internship • Intern • Japanese
C++
AI/ML
Function Calling
AI Agents
Tool Use
AutoGen
LangChain
LlamaIndex
Reinforcement Learning
Prompt Engineering
LLM
PPO
DevOps
Git
GitHub
Game Dev
Unity
Unreal Engine
+7
Bengaluru • Hyderabad • Chennai • Pune • Noida • Health Care • Health Data & Interoperability • Revenue Cycle & Medical Billing • Primary Care & Medical Centers • Health Insurance & Benefits • Care Coordination & Population Health • Hiring 19, 4 new
Optum is a UnitedHealth Group company providing health services, pharmacy care and health technology.
No named decision-maker yet.
Careers mailbox is known
≈ $18k – $40k per year (Estimated) • Senior • 10+ years exp • In office (Hyderabad, Bengaluru, Noida, Gurgaon, Chennai, India) • Senior
Python
SQL
Databases
Weaviate
Milvus
FAISS
AI/ML
Qwen
LoRA
Fine-tuning
Embeddings
RLHF
Reinforcement Learning
AI Agents
NLP
QLoRA
Mistral
PyTorch
Gemini
LLM
RAG
Semantic Search
OpenAI
Anthropic
DPO
SFT
PPO
GRPO
OCR
GraphRAG
NCCL
InfiniBand
Semantic Search
Knowledge Graph
RLAIF
Machine Learning
PEFT
DevOps
Azure
AWS
+29
HQ: Shanghai, China • Apparel & Fashion Brands • Marketplaces • E-commerce Platforms • 1001-5000 employees • Est. 2015 • Trust C • Hiring 213, 3 new
Dewu, known internationally as POIZON, is a Chinese e-commerce platform for sneakers, streetwear, luxury goods, electronics and collectibles that combines a marketplace with a user community for product content. Founded in 2015, it inspects and authenticates items before shipping them to buyers, a model aimed largely at young consumers. Its openings include product operations staff, AI product managers, cloud-native engineers, customer service agents and global procurement specialists. The company is headquartered in Shanghai, China.
No named decision-maker yet.
No careers mailbox known
In office (Shanghai, China) • Full-Time • Senior • Chinese: C1
Python
Java
C++
C++
TensorFlow C++
PyTorch C++
AI/ML
NLP
TensorFlow
PyTorch
Ray
DPO
PPO
GRPO
+4
In office (Shanghai, China) • Full-Time • Senior • Chinese: C1
Python
Java
C++
C++
TensorFlow C++
PyTorch C++
AI/ML
NLP
TensorFlow
PyTorch
Ray
DPO
PPO
GRPO
+4
HQ: Beijing, China • Advertising • Foundation Models • Cloud Platforms (IaaS & PaaS) • Autonomous Driving • LLM & Generative AI • Search Engines • 5000+ employees • Est. 2000 • MOEX: BIDU-RM • Trust B • Hiring 1359, 77 new
Baidu is a Chinese technology company founded in 2000 by Robin Li and Eric Xu that operates the dominant search engine in mainland China. Around search it has built a large advertising business, the Baidu Maps and Baijiahao content platforms, and an AI Cloud division selling compute, data and model services to enterprises and government. The company was one of the first Chinese firms to commit heavily to artificial intelligence, developing the ERNIE family of large language models and the Apollo autonomous driving stack that powers its Apollo Go robotaxi fleet in several Chinese cities.
Eric Xu · Co-Founder & Vice Chairman · decision-maker
Robin Li · Co-Founder, Chairman & Chief Executive Officer · decision-maker
Dou Shen · Executive Vice President, AI Cloud Group · decision-maker
No careers mailbox known
Verified live · 1 hour ago
29 days ago
Fading · 40%
大模型算法工程师
In office (Beijing, China) • Chinese: C1
Model Context Protocol
RLHF
Function Calling
AI Agents
VLM
Mixture of Experts
DPO
SFT
PPO
GRPO
Tool Use
World Models
RLAIF
+5
In office (Beijing, China) • Internship • Chinese: C1
RLHF
Transformers
PyTorch
LLM
RAG
DPO
SFT
PPO
In office (Beijing, China) • Internship • Intern • Chinese: C1
DeepSeek
vLLM
Function Calling
AI Agents
SGLang
PPO
HQ: London, United Kingdom • Data Centers & Colocation • AI Compute & Inference • 501-1000 employees • Est. 2024 • Trust A • Hiring 245, 28 new
Nscale is a London-based AI infrastructure company that builds and operates GPU data centres and runs a full-stack AI cloud offering managed inference, Kubernetes and Slurm clusters, bare-metal instances and dedicated GPU capacity. Founded in 2024 by Josh Payne and Nathan Townsend, it develops sites in Norway, the UK, South Korea and North America, works with Microsoft and NVIDIA, and acquired Anyscale in July 2026 to extend its cloud platform. Its hiring spans data centre design and construction, electrical and infrastructure operations, HPC and storage engineering, networking, solutions architecture, legal, finance and marketing.
No named decision-maker yet.
Careers mailbox is known
$220k – $330k per year • Staff+ • 8+ years exp • In office (New York, San Francisco, Houston, Seattle, United States) • Staff
Python
AI/ML
DeepSpeed
vLLM
CUDA Toolkit
Fine-tuning
SGLang
TensorRT-LLM
TRL
PyTorch
LLM
Mixture of Experts
CUDA
Triton
OpenAI
PPO
GRPO
Post-training
NVLink
ROCm
CUTLASS
Speculative Decoding
KV Cache
Tool Use
Reward Modeling
TensorRT
Transformers
DevOps
Kubernetes
+19
HQ: New York, United States • AI Compute & Inference • Cloud Platforms (IaaS & PaaS) • 51-200 employees • Est. 2012 • Trust B • Hiring 184, 28 new
DigitalOcean is a cloud infrastructure provider that offers virtual machines, managed Kubernetes, databases, storage and GPU compute for developers, startups and small and medium-sized businesses. It also provides an AI platform for inference and agents. Founded in 2012 and listed on the New York Stock Exchange, the company is headquartered in New York City, United States.
Carly Brantz · Executive Officer · decision-maker
Barry Cooks · Executive Officer · decision-maker
Jeffrey Guy · Executive Officer · decision-maker
William Sorenson · Executive Officer · decision-maker
No careers mailbox known
$250k – $312k per year • Equity • Head+ • Hybrid (Seattle, United States) • PhD • Architect
RLHF
Reinforcement Learning
Function Calling
AI Agents
LLM
DPO
PPO
GRPO
Tool Use
RLAIF
DevOps
DigitalOcean
+3
$217k – $271k per year • Equity • Staff+ • 8+ years exp • Hybrid (Seattle, United States) • Master's Degree • Staff
Python
AI/ML
Fine-tuning
RLHF
Reinforcement Learning
Function Calling
AI Agents
DPO
PPO
GRPO
Tool Use
RLAIF
Reward Modeling
Feature Store
Recommender Systems
DevOps
DigitalOcean
+7
HQ: Guangzhou, China • Autonomous Driving • Automotive Manufacturing • 1001-5000 employees • Est. 2014 • Trust B • Hiring 974, 37 new
XPeng is a Chinese smart electric vehicle maker headquartered in Guangzhou, Guangdong, developing its own driver-assistance software, AI chips, electric powertrains and in-car operating systems for models such as the P7, G6, G9, X9 and MONA M03. Founded in 2014 by He Xiaopeng and partners, it listed in New York in 2020 and Hong Kong in 2021, passed one million cumulative deliveries by the end of 2025, sells in about 60 countries, and is developing the IRON humanoid robot and flying cars through affiliate Aridge. It hires AI algorithm, autonomous driving, chip and vehicle engineers, product managers, and international sales and finance staff.
No named decision-maker yet.
Careers mailbox is known
In office (Shenzhen, China) • Full-Time • Chinese: C1
Python
AI/ML
vLLM
CUDA Toolkit
AI Agents
SGLang
PyTorch
CUDA
Triton
PPO
GRPO
Megatron-LM
FSDP
DevOps
Linux
+5
In office (Shenzhen, China) • Full-Time • Chinese: C1
Python
AI/ML
RLHF
Transformers
PyTorch
DPO
SFT
PPO
GRPO
RLAIF
+1
Verified live · 3 hours ago
4 months ago
Fading · 36%
大模型算法工程师
In office (Beijing, China) • Full-Time • Chinese: C1
HQ: Wilmington, United States • Sensors & Transducers • Analog & Power Semiconductors • 5000+ employees • Est. 1965 • Trust B • Hiring 700, 34 new
Analog Devices designs signal processing, power management and sensing semiconductors. Its data converters and amplifiers are staples of industrial automation, automotive and communications systems. The company expanded significantly through the acquisitions of Linear Technology and Maxim Integrated.
No named decision-maker yet.
No careers mailbox known
$198k – $272k per year • Staff+ • 6+ years exp • In office (San Jose, United States) • PhD • Full-Time • Staff
Python
AI/ML
LoRA
Fine-tuning
Embeddings
Reinforcement Learning
Multimodal AI
AI Agents
PyTorch
RAG
Anomaly Detection
Time Series Forecasting
DPO
PPO
Interpretability
RLAIF
PEFT
DevOps
GCP
AWS
Robotics
Sensor Fusion
Reinforcement Learning
+12
$230k – $316k per year • Lead • 10+ years exp • In office (San Jose, United States) • PhD • Full-Time • Principal
Python
AI/ML
LoRA
Fine-tuning
Embeddings
Reinforcement Learning
Multimodal AI
AI Agents
PyTorch
RAG
Anomaly Detection
Time Series Forecasting
DPO
PPO
Interpretability
RLAIF
PEFT
DevOps
GCP
AWS
Robotics
Sensor Fusion
Reinforcement Learning
+12
$260k – $358k per year • Lead • 15+ years exp • In office (San Jose, United States) • PhD • Full-Time • Principal
Python
AI/ML
LoRA
Fine-tuning
Embeddings
Reinforcement Learning
Multimodal AI
AI Agents
PyTorch
RAG
Anomaly Detection
Time Series Forecasting
DPO
PPO
Interpretability
RLAIF
PEFT
DevOps
GCP
AWS
Robotics
Sensor Fusion
Reinforcement Learning
+12
HQ: Gurgaon, India • Recruiting & Staffing • Recruiting Software & ATS • Hiring 39, 13 new
Hire top-tier tech talent across India with AI-powered precision. CubicAI delivers a 98% match rate, 4-day shortlisting, and verified profiles from a 1M+ talent pool. Post a job free.
No named decision-maker yet.
No careers mailbox known
≈ $24k – $53k per year (Estimated) • Senior • 7+ years exp • India • Remote (India) • Senior
Python
Python
FastAPI
Databases
Weaviate
Neo4j
Milvus
Pinecone
Qdrant
Apache Kafka
AI/ML
LoRA
Fine-tuning
RLHF
Reinforcement Learning
Knowledge Distillation
AI Agents
QLoRA
Transformers
PyTorch
LLM
RAG
Reranking
Hybrid Search
Hugging Face
DPO
SFT
PPO
GRPO
GraphRAG
Context Engineering
Knowledge Graph
Edge AI
Multi-Agent Systems
Tool Use
Model Distillation
LangGraph
Weights & Biases
LangChain
DeepSpeed
DSPy
vLLM
MLFlow
Anthropic SDK
Arize Phoenix
Langfuse
OpenAI SDK
PEFT
TRL
Unsloth
Ray
Machine Learning
DevOps
GCP
AWS
Docker
Kubernetes
+45
HQ: San Francisco, United States • Pediatric Care • Home Care Services • Startup • Hiring 21, 3 new
Abby Care is a home health care company focused on children with complex medical needs and disabilities. The company trains and employs family members as paid caregivers under Medicaid programmes, supporting them with nurse oversight, care planning, and its own clinical software. It handles enrollment, credentialing, and claims for those families, positioning parent caregivers as a fix for the shortage of home nursing staff.
No named decision-maker yet.
Careers mailbox is known
$220k – $270k per year • Senior • 5+ years exp • Hybrid (San Francisco, United States) • Relocation • Full-Time • Senior
Fine-tuning
Reinforcement Learning
Multimodal AI
Synthetic Data
Post-training
Knowledge Graph
LLM Evaluation
Machine Learning
PPO
+1
HQ: Sparks, United States • Electronic Warfare • Defense Manufacturing • National Security • 1001-5000 employees • Est. 1963 • Trust B • Hiring 330
Sierra Nevada Corporation is a privately held American aerospace and defence contractor founded in 1963 and bought in 1994 by Fatih and Eren Ozmen, who still own it. It modifies and integrates special mission aircraft for the United States military and allied governments, builds navigation, communications and electronic warfare systems, and holds the contract to convert Boeing 747 airframes into the next presidential aircraft under the Survivable Airborne Operations Center programme. Headquartered in Sparks, Nevada, the company spun out its space business as Sierra Space in 2021 and remains one of the larger privately owned defence integrators in the country.
Eren Ozmen · Owner and Chairwoman · decision-maker
Fatih Ozmen · Owner and Chief Executive Officer · decision-maker
Careers mailbox is known
$125k – $172k per year • Middle • 9+ years exp • In office (Englewood, United States) • Bachelor's Degree • Full-Time • Secret • Middle
Python
Java
C#
C++
C++
TensorFlow C++
PyTorch C++
AI/ML
CUDA Toolkit
Reinforcement Learning
Computer Vision
TensorRT
Transformers
TensorFlow
PyTorch
CUDA
PPO
Edge AI
Machine Learning
Robotics
Sensor Fusion
Autonomous Navigation
Management
Agile
+12
$143k – $197k per year • Senior • 12+ years exp • Hybrid (Englewood, Longmont, Herndon, United States) • Bachelor's Degree • Full-Time • Secret • Senior
Python
Java
C#
C++
C++
TensorFlow C++
PyTorch C++
AI/ML
CUDA Toolkit
Reinforcement Learning
Multimodal AI
TensorRT
TensorFlow
PyTorch
RAG
Explainable AI
CUDA
PPO
Edge AI
Machine Learning
DevOps
AWS
HPC
Robotics
Sensor Fusion
Reinforcement Learning
Management
Agile
+15
HQ: Redmond, United States • Gaming Consoles • Console Games • Developer Tools • Cloud Platforms (IaaS & PaaS) • Office & Productivity Software • Operating Systems • 5000+ employees • Est. 1975 • Trust B • Hiring 1458, 158 new
Microsoft is an American multinational technology corporation founded in 1975 by Bill Gates and Paul Allen and headquartered in Redmond, Washington. It built the personal computing era around the Windows operating system and the Office productivity suite, and now generates the largest share of its revenue from Azure cloud infrastructure and commercial subscriptions. The company also owns GitHub, LinkedIn and the Xbox gaming business, and has invested heavily in artificial intelligence through its partnership with OpenAI and the Copilot assistants embedded across its products.
Judson Althoff · Chief Executive Officer, Commercial Business · decision-maker
Amy Hood · Executive Vice President & Chief Financial Officer · decision-maker
Satya Nadella · Chairman & Chief Executive Officer · decision-maker
Paul Allen · Co-Founder · founder
No careers mailbox known
≈ $43k – $109k per year (Estimated) • Senior • 4+ years exp • In office (Suzhou, Beijing, China) • Master's Degree • Senior • English (Optional)
Python
AI/ML
RLHF
Reinforcement Learning
Quantization
AI Agents
PyTorch
LLM
Mixture of Experts
Synthetic Data
SFT
PPO
GRPO
Post-training
RLAIF
Machine Learning
DeepSpeed
vLLM
SGLang
Megatron-LM
NVIDIA NeMo
Tool Use
Reward Modeling
+14
Nonprofits & Foundations • 51-200 employees • Est. 2012 • Hiring 1
Evidence-based literacy and math programs that engage families and educators together. See how Springboard Collaborative accelerates student reading growth.
No named decision-maker yet.
Careers mailbox is known
≈ $155k – $291k per year (Estimated) • Head+ • 10+ years exp • Hybrid • Full-Time • Architect
PPO
Management
Agile
Scrum
Asana
Google Workspace
HQ: Los Angeles, United States • Contract Manufacturing • 3D Printers & Additive Manufacturing • 1001-5000 employees • Trust C • Hiring 76
Freeform is a Los Angeles manufacturing technology company building software-defined, autonomous metal 3D printing factories that produce verified metal parts using its own sensors, real-time controls, compute and machine learning stack. Founded by former SpaceX engineers, it develops its printing systems and runs its production facility in the Los Angeles area, aiming to bring additive manufacturing to many industries at scale. It hires manufacturing, process, additive, electrical, FPGA and software engineers, machine learning researchers, factory infrastructure staff and many interns and new graduates, all based in Los Angeles.
No named decision-maker yet.
No careers mailbox known
$200k – $500k per year • Equity • Lead • 10+ years exp • In office (Los Angeles, El Segundo, United States) • Relocation • PhD • Full-Time • Principal
Python
C++
AI/ML
Multimodal AI
Self-Supervised Learning
Anomaly Detection
Physical AI
Machine Learning
Reinforcement Learning
PPO
Robotics
Digital Twin
Reinforcement Learning
+3
HQ: Haiphong, Vietnam • Automotive Manufacturing • 501-1000 employees • Est. 2017 • Trust B • Hiring 103, 3 new
VinFast is a Vietnamese electric vehicle maker within the Vingroup conglomerate that designs and builds electric cars, e-scooters and motorbikes, buses, and charging and battery swap infrastructure, with its main manufacturing complex in Haiphong. Founded in 2017, it listed on the Nasdaq in 2023 through its Singapore-registered parent and sells vehicles in Vietnam, North America, Europe, India and Southeast Asia. It hires AI, embedded, AUTOSAR, sensor fusion and test engineers, data scientists, powertrain and quality engineers, and purchasing and logistics leaders, mostly in Hanoi and Haiphong.
No named decision-maker yet.
No careers mailbox known
≈ $20k – $52k per year (Estimated) • Senior • 5+ years exp • In office (Hanoi, Vietnam) • Bachelor's Degree • Full-Time • Senior • Vietnamese
Python
AI/ML
DeepSpeed
LoRA
vLLM
Fine-tuning
RLHF
Reinforcement Learning
Quantization
Knowledge Distillation
AI Agents
NLP
SGLang
Axolotl
PEFT
QLoRA
TensorRT-LLM
TRL
Transformers
PyTorch
LLM
Mixture of Experts
Tokenization
Hallucination
Synthetic Data
Hugging Face
DPO
SFT
PPO
GRPO
Post-training
Megatron-LM
FSDP
Constitutional AI
Model Distillation
RLAIF
Reward Modeling
Machine Learning
TensorRT
DevOps
Kubernetes
Robotics
Reinforcement Learning
+32
HQ: San Jose, United States • Financial AI • Billing & Subscription Management • Payment Processing & Gateways • Accounting & Tax Software • Procurement & Spend Management • 201-500 employees • Est. 2006 • Trust A • Hiring 39, 8 new
BILL is a financial operations software company that automates accounts payable, accounts receivable, spend and expense management for small and mid-sized businesses. Its cloud platform, which includes AI agents for invoice processing and the Divvy-based spend and expense cards, connects to accounting systems and is also distributed through accounting firms and banks. The company is listed on the New York Stock Exchange and runs a second large office in Draper, Utah. The company is headquartered in San Jose, California, United States.
No named decision-maker yet.
No careers mailbox known
$195k – $234k per year • Equity • Staff+ • 8+ years exp • United States • Remote (United States) • Bachelor's Degree • Staff
LoRA
Fine-tuning
RLHF
QLoRA
PyTorch
LLM
DPO
SFT
Human-in-the-Loop
LLM Evaluation
Recommender Systems
Machine Learning
PEFT
PPO
OCR
+7
HQ: San Francisco, United States • LLM & Generative AI • AI Evaluation & Observability • AI Training Data & Annotation • 1001-5000 employees • Est. 2016 • Trust B • Hiring 168, 4 new
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.
Jason Droege · Chief Executive Officer · decision-maker
Lucy Guo · Co-Founder · founder
Alexandr Wang · Co-Founder & former Chief Executive Officer · founder
No careers mailbox known
$252k – $315k per year • Equity • Staff+ • 8+ years exp • In office (San Francisco, New York, United States) • Full-Time • Staff
Python
Go
Rust
TypeScript
AI/ML
Model Context Protocol
Reinforcement Learning
Function Calling
AI Agents
Scale AI
LLM Evaluation
Tool Use
vLLM
RLHF
SGLang
TRL
Transformers
Ray
PPO
GRPO
Post-training
RLAIF
Reward Modeling
DevOps
Docker
Kubernetes
GCP
Azure
CI/CD
AWS
+20
$290k – $363k per year • Equity • Lead • In office (San Francisco, New York, United States) • Full-Time • Staff
Flash Attention
CUDA Toolkit
RLHF
PyTorch
LLM
CUDA
PPO
GRPO
Post-training
Multimodal AI
Function Calling
Tool Use
+4
HQ: San Francisco, United States • Generative Image • 1-10 employees • Est. 2022 • Startup • Hiring 10
KREA is a company founded in 2022 that builds real-time generative visual tools for designers and artists. Its canvas updates images as the user sketches or types, and the product bundles upscaling, style training and video generation across multiple underlying models. It became popular with creative professionals who wanted control and speed rather than one-shot prompting.
No named decision-maker yet.
No careers mailbox known
≈ $172k – $377k per year (Estimated) • Equity • In office (San Francisco, United States) • Full-Time
vLLM
Fine-tuning
Reinforcement Learning
Knowledge Distillation
Diffusion Models
VLM
SGLang
PyTorch
LLM
DPO
SFT
PPO
GRPO
Post-training
FSDP
Model Distillation
Reward Modeling
Robotics
Reinforcement Learning
+10
