Headquartered in Toronto, Ontario, Canada, Layer 6 AI is an artificial intelligence research laboratory and engineering organization operating as the AI center of excellence for TD Bank Group. Founded in 2016 and acquired by TD Bank in 2018, the company develops and deploys enterprise-grade deep learning, generative AI, and time-series forecasting models across retail banking, wealth management, and financial operations.
HQ: Toronto, Canada • Artificial Intelligence • 1001-5000 employees • Est. 2016
≈ $54k – $135k per year (Estimated) • Junior • 2+ years exp • Remote/Hybrid (Toronto, Canada) • Master's Degree • Full-Time • Junior
SQL
AI/ML
LLM
PyTorch
Reinforcement Learning
TensorFlow
Time Series Forecasting
Post-training
DevOps
AWS
Azure
Profluent is a company founded in 2022 that trains large language models on protein sequences to design new functional proteins. It released OpenCRISPR-1, a gene editor designed entirely by a model and made freely available for ethical research and commercial use. The company works on editors, antibodies and enzymes that have no direct natural counterpart.
HQ: Berkeley, United States • Biotechnology • Biopharma • Cell & Gene Therapy • Est. 2022
≈ $134k – $293k per year (Estimated) • Remote/Hybrid (Emeryville, United States) • PhD
PyTorch
Reinforcement Learning
Post-training
DevOps
AWS
Azure
GCP
Jump Trading is a proprietary trading firm focused on quantitative and high-speed strategies. It invests heavily in networking, hardware acceleration and research computing. The firm also runs ventures in cryptocurrency infrastructure and machine learning research.
HQ: Chicago, United States • Est. 1999
≈ $148k – $324k per year (Estimated) • In office (New York, United States) • Master's Degree
Python
AI/ML
JAX
PyTorch
InfiniBand
NVLink
Pre-training
TPU
CUDA
CUDA Toolkit
Fine-tuning
Reinforcement Learning
Triton
Post-training
DevOps
Kubernetes
SLURM
HPC
Pony.ai is an autonomous driving company founded in 2016 by two former Baidu autonomous vehicle engineers, operating from bases in Guangzhou and Fremont, California. It runs fully driverless robotaxi services in Beijing, Shanghai, Guangzhou and Shenzhen, holding permits in all four Chinese tier-one cities, and has expanded into the Middle East and Europe through partnerships with local operators. The company also develops autonomous trucking through Pony Truck, builds its Virtual Driver software to be portable across vehicle platforms from Toyota, GAC and BAIC, and listed on Nasdaq in 2024.
HQ: Fremont, United States • HQ: Guangzhou, China • Computer Vision • Transportation & Logistics • Ride Hailing • Artificial Intelligence • Autonomous Driving • 201-500 employees • Est. 2016
$150k per year • Equity • In office (Fremont, United States) • Full-Time
Python
AI/ML
Fine-tuning
LLM
PyTorch
RLHF
VLM
Post-training
Rox builds artificial intelligence agent swarms that work alongside enterprise sales representatives on research and account planning. Founded in 2024 in San Francisco by former Databricks and Google engineers, it organises agents around accounts rather than around inboxes. The product sits on top of existing customer relationship management systems.
HQ: San Francisco, United States • Human Resources • Autonomous Driving • Artificial Intelligence • 201-500 employees • Est. 2024
≈ $143k – $293k per year (Estimated) • In office (San Francisco, United States) • Relocation • PhD • Full-Time
Cursor
Hallucination
Knowledge Graph
OpenAI
Post-training
RAG
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.
San Francisco • Worcester • Philadelphia • Boston • Newark • Medical AI • Artificial Intelligence • Nursing Care • Digital Health • Health Care • Home Healthcare
$190k – $250k per year • Senior • 5+ years exp • In office (San Francisco, United States) • Relocation • Full-Time • Senior
Fine-tuning
Multimodal AI
Reinforcement Learning
Synthetic Data
Knowledge Graph
LLM Evaluation
Post-training
PPO
Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential.
Education • Database Management • Skill Assessment
≈ $151k – $366k per year (Estimated) • Executive • 3+ years exp • Remote (Africa, North America) • Full-Time • Architect
Anthropic
OpenAI
Post-training
DevOps
AWS
GitHub
Web3
Rollup
Airbnb is an American travel company founded in San Francisco in 2008 that runs a global marketplace for short and long-term stays in homes rather than hotels. Hosts list rooms, apartments and houses across more than two hundred countries while the platform handles search, identity verification, payments, insurance cover and dispute resolution, taking a fee from both sides of each booking. Listed on Nasdaq since 2020, the company has expanded beyond accommodation into curated Experiences and Services such as chefs, training and spa treatments, positioning itself as a broader travel and hosting platform.
HQ: San Francisco, United States • Travel Technology • Marketplaces • Commerce • Travel & Tourism • Online Rental Platforms • Vacation Rentals • 1001-5000 employees • Est. 2008
≈ $159k – $287k per year (Estimated) • Lead • 10+ years exp • Remote (United States) • PhD • Principal
Python
AI/ML
Fine-tuning
LLM
Multimodal AI
PyTorch
Quantization
RAG
Reinforcement Learning
Edge AI
LLM Guardrails
Post-training
≈ $175k – $326k per year (Estimated) • Staff+ • 10+ years exp • Remote (United States) • PhD • Staff
Python
AI/ML
Fine-tuning
LLM
Multimodal AI
PyTorch
Quantization
RAG
Reinforcement Learning
Edge AI
LLM Guardrails
Post-training
Sarvam AI is a leading Indian artificial intelligence company focused on building full-stack sovereign generative AI infrastructure, foundational large language models (LLMs), and speech technologies tailored for India’s diverse languages and enterprise requirements.
HQ: Bengaluru, India • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 501-1000 employees
≈ $26k – $71k per year (Estimated) • Middle • 3+ years exp • In office (Bengaluru, India) • Bachelor's Degree • Full-Time • Middle
Python
Python
Dask
AI/ML
LLM
Ray
Spark
Tokenization
Post-training
Pre-training
≈ $27k – $74k per year (Estimated) • Middle • 3+ years exp • In office (Bengaluru, India) • PhD • Full-Time • Middle
Fine-tuning
LLM
PyTorch
Post-training
Pre-training
Knowledge Distillation
Multimodal AI
RLHF
Mixture of Experts
Salient automates collections, servicing, regulatory audit, insurance claims, and dispute resolution for consumer lenders.
San Francisco • Financial Services • Artificial Intelligence • Lending
$200k – $300k per year • In office • Full-Time
AI Agents
LLM
Post-training
Text-to-Speech
Speech Recognition
JetBrains is a software company founded in 2000 that builds integrated development environments and team tools for professional programmers. Its IDE family covers most major languages, including IntelliJ IDEA for the Java virtual machine, PyCharm, WebStorm, GoLand, CLion and Rider, all sharing a code-intelligence engine that gave the company its reputation for refactoring and static analysis. Headquartered in Prague with development offices across Europe, it also created the Kotlin programming language, now Google's preferred language for Android, and ships team products such as TeamCity, YouTrack and its AI coding assistants.
HQ: Prague, Czech Republic • Project Management • Artificial Intelligence • Software • Code Intelligence • Productivity Software • 1001-5000 employees • Est. 2000
Staff+ • Amsterdam • Remote (Germany, United Kingdom, Cyprus, Czech Republic, Netherlands) • Relocation • Staff
Fine-tuning
LLM
Context Engineering
Post-training
AI Agents
Function Calling
Senior • 3+ years exp • Amsterdam • Remote (Germany, Cyprus, Czech Republic, Netherlands, Poland) • Relocation • Senior
Java
Kotlin
Python
SQL
Java
Gradle
Kotlin
Ktor
AI/ML
AI Agents
Claude
Claude Code
Cursor
Langfuse
LLM
MLFlow
Promptfoo
PyTorch
RLHF
TRL
Transformers
Anthropic
Context Engineering
DPO
GRPO
Megatron-LM
OpenAI
Post-training
SFT
Model Context Protocol
Mobile
Kotlin Multiplatform
Middle • 3+ years exp • Amsterdam • Remote (Germany, United Kingdom, Cyprus, Czech Republic, Netherlands) • Middle
Python
AI/ML
AI Agents
Dagster
Fine-tuning
Kubeflow
Langfuse
LLM
MLFlow
PyTorch
Tokenization
Megatron-LM
NVIDIA NeMo
Post-training
Pre-training
SFT
Function Calling
DevOps
Kubernetes
SLURM
Poolside is a foundation model company bringing intelligence to everywhere work gets done. Our mission is to drive abundance for humanity by creating artificial general intelligence.
London • Hardware • LLM & Generative AI • Artificial Intelligence
Remote (EMEA, United States) • Full-Time
Python
AI/ML
LLM
Prompt Engineering
Synthetic Data
Tokenization
Post-training
Pre-training
AI Agents
We're building revolutionary identity and security solutions to help the world's largest companies migrate to the cloud and solve the toughest security challenges in record time. What's our secret? Our people. We're a global group of innovators wh...
San Francisco • Bengaluru • Milpitas • Delhi • Atlanta • Artificial Intelligence • Cybersecurity • Identity Management • 501-1000 employees
$274k – $304k per year • Remote/Hybrid (Milpitas, United States) • Bachelor's Degree • Full-Time
Python
Databases
pgvector
Qdrant
PostgreSQL
AI/ML
Fine-tuning
LLM
MLFlow
ONNX
PyTorch
Quantization
RAG
Ray
Ray Serve
RLHF
RLlib
SGLang
TensorRT
vLLM
Triton
Flyte
FSDP
GRPO
NCCL
PPO
AWQ
Bitsandbytes
GPTQ
Post-training
DevOps
Google GKE
Vector
GCP
Kubernetes
Amazon S3
QA
k6
Workday is a leading provider of cloud-based enterprise software specializing in human capital management, financial management, and spend management. Founded in 2005, the company offers a unified platform that integrates artificial intelligence to help organizations streamline HR processes and optimize financial planning. Global corporations, educational institutions, and government agencies widely rely on its scalable solutions to manage workforce operations and operational data in real time.
Pleasanton • Dublin • Pune • Amsterdam • Tokyo • AI Agents • Professional Services • Artificial Intelligence • 1001-5000 employees
$228k – $342k per year • Equity • Lead • 8+ years exp • In office (Pleasanton, Atlanta, Seattle, United States) • Master's Degree • Full-Time • Principal
JAX
Multimodal AI
PyTorch
Reinforcement Learning
RLHF
TensorFlow
DPO
Post-training
Pre-training
AI Agents
Headquartered in Seattle, Washington, the Allen Institute for AI (AI2) is a non-profit research institute founded by Microsoft co-founder Paul Allen to conduct high-impact artificial intelligence research and engineering in the public interest. The organization focuses on advancing open science, developing large-scale natural language processing models, and building foundational AI systems for scientific discovery and environmental conservation. Additionally, it freely releases its datasets, open-source models, and research papers, alongside creating tools like Semantic Scholar to accelerate global scientific research.
HQ: Seattle, United States • Science & Engineering • Machine Learning • Artificial Intelligence
$119k – $178k per year • Junior • 2+ years exp • In office (Seattle, United States) • Bachelor's Degree • Internship • Junior
Python
AI/ML
Knowledge Distillation
LangChain
LLM
NLP
PyTorch
Reinforcement Learning
spaCy
TensorFlow
Post-training
AI Agents
Model Context Protocol
DevOps
AWS
Docker
GCP
GitHub
HPC
Robotics
Reinforcement Learning
$167k – $261k per year • In office (Seattle, United States) • PhD • Internship
Computer Vision
Multimodal AI
Post-training
Robotics
Imitation Learning
Sim-to-Real
$167k – $261k per year • In office (Seattle, United States) • PhD • Internship
Reinforcement Learning
OpenAI
Post-training
AI Agents
Robotics
Reinforcement Learning
Boston Dynamics is a robotics company founded in 1992 as a spin-off from the Massachusetts Institute of Technology and now owned by Hyundai Motor Group. It builds the Spot quadruped, the Stretch warehouse robot and the Atlas humanoid, and has shifted from research demonstrations to commercial deployment in inspection and logistics. Recent work combines its control expertise with reinforcement learning and large behaviour models developed with partners.
HQ: Waltham, United States • Hardware • Transportation & Logistics • Robotics • 501-1000 employees • Est. 1992
$175k per year • Middle • 3+ years exp • In office (Waltham, United States) • PhD • Full-Time • Middle
JAX
Multimodal AI
PyTorch
Reinforcement Learning
RLHF
DPO
GRPO
Post-training
Robotics
Imitation Learning
Reinforcement Learning
Sim-to-Real
NeoSigma is an artificial intelligence infrastructure company focused on self-improving agentic systems. Built by research and engineering leaders formerly at OpenAI, Sierra, and Google, the platform provides an automated harness and runtime evaluation layer that enables AI agents to continuously learn from production failures.
San Francisco • Bengaluru
≈ $45k – $99k per year (Estimated) • Equity • Staff+ • In office (Bengaluru, India) • Bachelor's Degree • Contractor • Staff
LLM
OpenAI
Post-training
AI Agents
Intern • In office (San Francisco, United States) • Bachelor's Degree • Internship • Intern
LLM
OpenAI
Post-training
AI Agents
≈ $195k – $337k per year (Estimated) • Equity • Staff+ • In office (San Francisco, United States) • Visa sponsorship • Bachelor's Degree • Full-Time • Staff
LLM
OpenAI
Post-training
AI Agents
xAI is an American artificial intelligence company founded by Elon Musk in 2023 with the stated goal of building models that help humans understand the universe. It develops the Grok family of large language models, distributes them through a consumer assistant, a developer API and deep integration with the X social platform, and adds image and video generation through Grok Imagine. The company runs its own Colossus supercomputer clusters in Memphis, Tennessee, is headquartered in Palo Alto, California, and merged with X Corp in 2025 to combine model development with a large consumer distribution channel.
HQ: Palo Alto, United States • Multimodal AI • AI Agents • Machine Learning • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2023
$600k per year • Staff+ • In office (Palo Alto, United States) • Staff
Reinforcement Learning
RLHF
DPO
Post-training
$440k per year • Staff+ • In office (Palo Alto, United States) • Staff
Python
C++
Rust
C++
PyTorch C++
AI/ML
Fine-tuning
JAX
Multimodal AI
PyTorch
Tokenization
Post-training
Pre-training
SFT
TPU
AI Agents
Function Calling
Ray
Spark
DevOps
Kubernetes
$450k per year • In office (Palo Alto, United States)
Python
AI/ML
Fine-tuning
JAX
PyTorch
Ray
Reinforcement Learning
Spark
Synthetic Data
Post-training
Pre-training
SFT
DevOps
Kubernetes
Analytics
A/B Testing
Lovable is an AI-powered software development platform headquartered in Stockholm, Sweden. Founded in 2023 by Anton Osika and Fabian Hedin, the company operates a conversational "vibe coding" environment that enables both non-technical creators and software engineers to build, iterate, and deploy full-stack web applications using natural language prompts. Lovable automates front-end UI generation, back-end code creation, database connections, and GitHub workflow syncing, allowing users to move rapidly from product idea to production-ready application.
HQ: Stockholm, Sweden • Cybersecurity • Design & Creative • 501-1000 employees • Est. 2023
In office (Stockholm, Sweden, London, United Kingdom) • Full-Time
Fine-tuning
JAX
PyTorch
Reinforcement Learning
Lovable
Post-training
SFT
AI Agents
Marketing
Zendesk
Argonne National Laboratory is a premier multidisciplinary science and engineering research center located in Lemont, Illinois (near Chicago). Originating in 1946 from the University of Chicago’s work on the Manhattan Project (Metallurgical Laboratory), Argonne operates under the oversight of the U.S. Department of Energy (DOE) Office of Science and is managed by UChicago Argonne, LLC.
HQ: Lemont, United States • Energy & Utilities • Nuclear Energy • Quantum Science & Computing • Science & Engineering • Est. 1946
$94k – $147k per year • Staff+ • 5+ years exp • Remote/Hybrid (Lemont, United States) • Bachelor's Degree • Full-Time • Staff
C++
Python
C++
PyTorch C++
AI/ML
Fine-tuning
JAX
PyTorch
Reinforcement Learning
Post-training
DPO
SFT
DevOps
HPC
