Updated Aug 31, 2026

RLHF Jobs - Remote & On-site

RLHF jobs at vetted startups and product companies working on reinforcement learning from human feedback, updated daily. High-salary roles often include remote and hybrid arrangements plus transparent compensation. Browse and apply today.

Open positions
332
Companies
172
Salary range
$98K – $445K
Average salary
$292K
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

Asha Health

asha.health
Asha Health is a healthcare technology enterprise that enables medical practices and health systems to launch AI-powered virtual clinics. Headquartered in New York City, New York, the company provides automated software solutions designed to monitor and engage patients with chronic conditions between in-person visits. By deploying AI agents to coordinate routine care guidance, address care gaps, and streamline clinical workflows, its platform helps healthcare providers improve patient outcomes while scaling practice revenue.
asha.health • HQ: New York, United States • Artificial Intelligence • Autonomous Driving • 51-200 employees
HQ: New York, United States • Artificial Intelligence • Autonomous Driving • 51-200 employees
Top 25% payVerified live · 1 hour ago 1 day ago

Senior Software Engineer, AI Agents

$180k – $230k per year • Equity 0.8–3% • Senior • 3+ years expIn office (New York, United States) • Bachelor's Degree • Full-Time • Senior
AI Agents
Fine-tuning
RLHF
Apply
Top 25% payVerified live · 1 hour ago 1 day ago

Software Engineer, AI Agents

$140k – $180k per year • Equity 0.8–3% • Junior • 1+ year expIn office (New York, United States) • Bachelor's Degree • Full-Time • Junior
AI Agents
Fine-tuning
RLHF
Apply
Report

Thinking Machines Lab

thinkingmachines.ai
Thinking Machines Lab is an artificial intelligence research and product company based in San Francisco and founded in 2025. The company develops multimodal AI systems and open-weights models, such as Inkling, alongside developer tools like Tinker for model fine-tuning. It operates as a public benefit corporation focused on human-AI collaboration and open science, supported by significant venture capital investment.
thinkingmachines.ai • HQ: San Francisco, United States • MLOps • Machine Learning • Multimodal AI • LLM & Generative AI • Artificial Intelligence • 201-500 employees • Est. 2025
HQ: San Francisco, United States • MLOps • Machine Learning • Multimodal AI • LLM & Generative AI • Artificial Intelligence • 201-500 employees • Est. 2025
Top 25% payVerified live · 1 hour ago 5 days ago

ML Infrastructure Engineer

$350k – $475k per year • Middle • 4+ years expIn office (San Francisco, New York, United States) • Relocation • Visa sponsorship • Full-Time • Middle
C++
Python
C++
PyTorch C++
AI/ML
Reinforcement Learning
Post-training
PyTorch
Ray
RLHF
DPO
InfiniBand
NCCL
PPO
TPU
DevOps
SRE
Kubernetes
SLURM
Apply
Top 25% payVerified live · 1 hour ago 27 days ago

Research, Post-Training

$350k – $475k per year • Remote/Hybrid (San Francisco, United States) • Relocation • Visa sponsorship • PhD • Full-Time
Python
AI/ML
JAX
PyTorch
TensorFlow
Post-training
RLHF
Apply
Report

DataBahn.ai

databahn.ai
DataBahn is a software development company that enables organizations to streamline end-to-end security data orchestration by offering AI-powered data management and security solutions for cybersecurity.
databahn.ai • Pune • Chennai • Security Operations • Data & Analytics • Cybersecurity • 51-200 employees • Est. 2024
Pune • Chennai • Security Operations • Data & Analytics • Cybersecurity • 51-200 employees • Est. 2024
4 days ago

AI Technical Lead

$33k – $78k per year (Estimated) • Lead • In office (Chennai, India) • Staff
Go
Python
Databases
FAISS
Pinecone
Weaviate
AI/ML
AI Agents
Embeddings
LangChain
LangGraph
LLM
RAG
Reinforcement Learning
RLHF
Transformers
Knowledge Graph
Fine-tuning
Haystack
LlamaIndex
Prompt Engineering
PyTorch
TensorFlow
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Platform Engineering
Vector
Apply
Report

Landeed

landeed.com
India's fastest online document search platform. Download EC, Bhoomi RTC, Any ROR, and 7/12 documents effortlessly with Landeed. Simplify your land record research today!
landeed.com • Hyderabad • Hyderabad • Chennai • Gurgaon • Legal Services • Real Estate • Software • 51-200 employees
Hyderabad • Hyderabad • Chennai • Gurgaon • Legal Services • Real Estate • Software • 51-200 employees
Verified live · 1 hour ago 4 days ago

Member of Technical Staff - Post-Training Engineer

$26k – $47k per year • Equity 0.1–0.5% • Staff+ • 3+ years expIn office (Hyderabad, India) • Full-Time • Staff
Python
AI/ML
Fine-tuning
LLM
Multimodal AI
PEFT
Prompt Engineering
PyTorch
TRL
Transformers
Reinforcement Learning
Computer Vision
DPO
GRPO
Hugging Face
Post-training
SFT
Text-to-Speech
AI Agents
Speech Recognition
Function Calling
Gemma
Quantization
Qwen
RLHF
vLLM
VLM
Whisper
Apply
Report

Quantiphi

quantiphi.com
Quantiphi is an award-winning AI-first digital engineering company driven by the desire to solve transformational problems at the heart of business. Quantiphi solves the toughest and complex business problems by combining deep industry experience, disciplined cloud, and data-engineering practices, and cutting-edge artificial intelligence research to achieve quantifiable business impact at unprecedented speed.
quantiphi.com • HQ: Boston, United States • Analytics Platforms • Data & Analytics • 1001-5000 employees
HQ: Boston, United States • Analytics Platforms • Data & Analytics • 1001-5000 employees
Verified live · 1 day ago 4 days ago

Architect ML - AI Researcher

$165k – $307k per year (Estimated) • Staff+ • 10+ years expUnited States • Remote (United States) • Master's Degree • Full-Time • Architect
Java
Python
SQL
Databases
Databricks
Snowflake
AI/ML
LangChain
LangSmith
LightGBM
LlamaIndex
LLM
LoRA
NLP
NumPy
Pandas
PEFT
PyTorch
QLoRA
RAG
Reinforcement Learning
RLHF
Scikit-learn
SciPy
Semantic Search
Spark
Transformers
Hugging Face
Semantic Search
AI Agents
DevOps
AWS
Azure
CI/CD
GCP
Apply
Verified live · 1 day ago 1 month ago

Architect MLE

$160k – $299k per year (Estimated) • Staff+ • 8+ years expUnited States • Remote (United States, Canada) • Full-Time • Architect
Python
Python
FastAPI
Databases
Pinecone
Snowflake
Weaviate
AI/ML
AutoGen
CrewAI
LangGraph
LangSmith
LLM
PEFT
PyTorch
RAG
TensorFlow
Transformers
Vertex AI
Weights & Biases
LangChain
Amazon SageMaker
Context Engineering
AI Agents
Arize Phoenix
Fine-tuning
Prompt Engineering
RLHF
LLM Guardrails
SFT
DevOps
Amazon EC2
Amazon EKS
AWS
AWS Lambda
Azure
Azure AKS
CI/CD
CloudFormation
Docker
GCP
GitHub Actions
Google GKE
Jenkins
Kubernetes
Terraform
Vector
GitHub
Git
Apply
Report

LangChain

langchain.com
LangChain is an AI technology company that provides open-source frameworks and developer tools for building applications powered by large language models and AI agents. Its ecosystem includes LangChain for agent development, LangGraph for workflow orchestration, and LangSmith for testing, monitoring, evaluation, and deployment. The platform helps developers and enterprises create reliable generative AI applications by connecting models, tools, data sources, and business workflows.
langchain.com • HQ: San Francisco, United States • AI Agents • Artificial Intelligence • LLM & Generative AI
HQ: San Francisco, United States • AI Agents • Artificial Intelligence • LLM & Generative AI
Verified live · 10 hours ago 4 days ago

Deployed Engineer, Professional Services

$122k – $244k per year (Estimated) • Middle • 4+ years expIn office (Atlanta, Austin, Dallas, Las Vegas, Nashville, United States) • Full-Time • Middle
JavaScript
Python
TypeScript
AI/ML
AI Agents
Fine-tuning
LangChain
LangGraph
LangSmith
Transformers
Post-training
SFT
Axolotl
RLHF
TRL
Unsloth
DPO
Hugging Face
DevOps
Cloudflare
Management
Monday.com
Apply
Verified live · 10 hours ago 4 days ago

Deployed Engineer, Professional Services (NYC)

$140k – $279k per year (Estimated) • Middle • 4+ years expIn office (New York, United States) • Full-Time • Middle
JavaScript
Python
TypeScript
AI/ML
AI Agents
Fine-tuning
LangChain
LangGraph
LangSmith
Transformers
Post-training
SFT
Axolotl
RLHF
TRL
Unsloth
DPO
Hugging Face
DevOps
Cloudflare
Management
Monday.com
Apply
Verified live · 10 hours ago 4 days ago

Deployed Engineer, Professional Services (San Francisco)

$124k – $298k per year (Estimated) • Middle • 4+ years expIn office (San Francisco, United States) • Full-Time • Middle
JavaScript
Python
TypeScript
AI/ML
AI Agents
Fine-tuning
LangChain
LangGraph
LangSmith
Transformers
Post-training
SFT
Axolotl
RLHF
TRL
Unsloth
DPO
Hugging Face
DevOps
Cloudflare
Management
Monday.com
Apply
Report

Iambic Therapeutics

iambictherapeutics.com
Iambic Therapeutics is a clinical-stage biotechnology company headquartered in San Diego, California, that uses physics-informed artificial intelligence and automated chemistry to accelerate small-molecule drug discovery. Founded in 2019 (originally as Entos, Inc.), the firm integrates generative AI models - such as NeuralPLexer for protein-ligand structure prediction and Enchant for multimodal property prediction - with high-throughput laboratory automation to quickly design, synthesize, and evaluate novel therapeutics.
iambictherapeutics.com • San Diego • Dublin • Boston • Artificial Intelligence • Biotechnology • Drug Discovery
San Diego • Dublin • Boston • Artificial Intelligence • Biotechnology • Drug Discovery
$100k – $209k per year (Estimated)Remote/Hybrid • PhD • Full-Time
Python
AI/ML
CUDA
CUDA Toolkit
Fine-tuning
LoRA
Multimodal AI
Optuna
PyTorch
Quantization
Ray
Ray Tune
Reinforcement Learning
RLHF
Weights & Biases
PEFT
GRPO
Post-training
PPO
SFT
DevOps
Docker
Kubernetes
HPC
Apply
$128k – $279k per year (Estimated)Remote/Hybrid (Boston, United States) • PhD • Full-Time
Python
AI/ML
CUDA
CUDA Toolkit
Fine-tuning
LoRA
Multimodal AI
Optuna
PyTorch
Quantization
Ray
Ray Tune
Reinforcement Learning
RLHF
Weights & Biases
PEFT
GRPO
Post-training
PPO
SFT
DevOps
Docker
Kubernetes
HPC
Apply
Report

ServiceNow

servicenow.com
ServiceNow is a leading cloud-based enterprise platform that connects data, workflows, and artificial intelligence to automate business operations. Originally focused on IT service management, the platform now streamlines processes across human resources, customer service, security, and supply chain management within a single digital ecosystem. Through its built-in low-code tools and AI capabilities, it helps global organizations optimize workforce productivity, eliminate manual tasks, and scale modern enterprise workflows.
servicenow.com • HQ: Santa Clara, United States • Financial Services • Data & Analytics • Artificial Intelligence • Software • Information Technology • Cloud Computing • IT Management • Business Process Automation (BPA) • 1001-5000 employees • Est. 2004
HQ: Santa Clara, United States • Financial Services • Data & Analytics • Artificial Intelligence • Software • Information Technology • Cloud Computing • IT Management • Business Process Automation (BPA) • 1001-5000 employees • Est. 2004
Verified live · 1 hour ago 4 days ago

Senior Machine Learning Engineer, Agent Eval Platform

$171k – $333k per year (Estimated) • Senior • 5+ years expIn office (Santa Clara, United States) • Full-Time • Senior
Python
AI/ML
AI Agents
Fine-tuning
Knowledge Distillation
LLM
Prompt Engineering
RLHF
LLM Guardrails
SFT
Management
ServiceNow
Apply
Verified live · 1 hour ago 5 days ago

Staff Machine Learning Engineer, Agent Eval Platform

$217k – $440k per year (Estimated) • Staff+ • 8+ years expIn office (Mountain View, United States) • Full-Time • Staff
Python
AI/ML
AI Agents
Fine-tuning
Knowledge Distillation
LLM
Prompt Engineering
RLHF
LLM Guardrails
SFT
Management
ServiceNow
Apply
$185k – $358k per year (Estimated) • Equity • Senior • 5+ years expIn office (Mountain View, United States) • Visa sponsorship • Bachelor's Degree • Full-Time • Senior
Go
Python
AI/ML
Copilot
Fine-tuning
Multimodal AI
NLP
RLHF
DPO
AI Agents
Function Calling
Management
ServiceNow
Apply
Report

Anthropic

anthropic.com
Anthropic is an American artificial intelligence safety and research company founded in 2021 by former OpenAI researchers, among them the siblings Dario and Daniela Amodei. It develops the Claude family of large language models and ships them through a consumer assistant, an enterprise developer platform and the Claude Code agentic coding tool, alongside open standards such as the Model Context Protocol. Incorporated as a public benefit corporation and headquartered in San Francisco, the company concentrates on interpretability, alignment and reliability research and counts Google and Amazon among its largest investors.
anthropic.com • HQ: San Francisco, United States • Code Intelligence • AI Agents • Machine Learning • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2021
HQ: San Francisco, United States • Code Intelligence • AI Agents • Machine Learning • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2021
Top 25% payVerified live · 2 hours ago 4 days ago

Staff+ Software Engineer, RL Data Platform

$320k per year • Staff+ • In office (San Francisco, United States) • Visa sponsorship • Bachelor's Degree • Staff
Python
TypeScript
JavaScript
AI/ML
Claude
Anthropic
Multimodal AI
RLHF
AI Agents
Human-in-the-Loop
Frontend
React.js
Apply
Top 25% payVerified live · 2 hours ago 26 days ago

Technical Program Manager, RL Research

$365k per year • In office (San Francisco, United States) • Visa sponsorship • Bachelor's Degree
Claude
Multimodal AI
Reinforcement Learning
RLHF
Anthropic
Post-training
Pre-training
Apply
Open 320 daysTop 25% pay 10 months ago

Research Engineer, RL Engineering

$500k per year • Middle • 4+ years expIn office (San Francisco, United States) • Visa sponsorship • Bachelor's Degree • Middle
Python
AI/ML
Claude
Fine-tuning
LLM
Multimodal AI
Reinforcement Learning
RLHF
Anthropic
Apply
Report

Arintra

arintra.com
Arintra is a healthcare technology company based in Austin, Texas, and founded in 2019. The company provides an AI-driven autonomous medical coding and revenue assurance platform that integrates with electronic health record systems to automate insurance claim submissions. It operates across more than 23 medical specialties and multiple care settings, serving large health systems and provider groups throughout the United States.
arintra.com • HQ: Austin, United States • Billing & Invoicing • Natural Language Processing • Business Process Automation (BPA) • Software • Artificial Intelligence • Medical AI • Health Care • Digital Health • Est. 2019
HQ: Austin, United States • Billing & Invoicing • Natural Language Processing • Business Process Automation (BPA) • Software • Artificial Intelligence • Medical AI • Health Care • Digital Health • Est. 2019
5 days ago

Lead Data Scientist

$32k – $74k per year (Estimated) • Lead • 8+ years expIn office (Bengaluru, India) • Staff
Multimodal AI
NLP
PyTorch
TensorFlow
Explainable AI
RLHF
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Apply
1 month ago

AI Engineer II / III

$27k – $76k per year (Estimated) • Middle • In office (Bengaluru, India) • Middle
Python
AI/ML
Fine-tuning
LLM
Multimodal AI
NLP
Reinforcement Learning
RLHF
Transformers
Knowledge Graph
Apply
Report

Observe.AI

observe.ai
Observe. AI is an AI & NLP-enabled voice assistant platform for call centers. It empowers, assists call agents to perform their jobs better. Backed by Nexus Venture Partner, Y Combinator, and other investors.
observe.ai • Bengaluru • AI Agents • Speech & Audio AI • Artificial Intelligence • Est. 2017
Bengaluru • AI Agents • Speech & Audio AI • Artificial Intelligence • Est. 2017
5 days ago

Lead Data Scientist

$32k – $73k per year (Estimated) • Lead • 8+ years expIn office (Bengaluru, India) • Staff
Multimodal AI
NLP
PyTorch
Reinforcement Learning
RLHF
TensorFlow
Recommender Systems
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Cybersecurity
HIPAA
Apply
Report

Prime Intellect

primeintellect.com
Prime Intellect is an artificial intelligence infrastructure company headquartered in San Francisco, California, and founded in 2023. The company provides a decentralized platform for training, evaluating, and deploying large-scale AI models, featuring tools for reinforcement learning, agent development, and a global compute marketplace. It operates globally by aggregating computing resources from various providers to enable researchers and developers to build open-source models and autonomous agents.
primeintellect.com • HQ: San Francisco, United States • Cloud Computing • Information Technology • LLM & Generative AI • Reinforcement Learning • AI Agents • Artificial Intelligence • Hardware • AI Infrastructure • Est. 2023
HQ: San Francisco, United States • Cloud Computing • Information Technology • LLM & Generative AI • Reinforcement Learning • AI Agents • Artificial Intelligence • Hardware • AI Infrastructure • Est. 2023
Top 25% payVerified live · 1 day ago 1 month ago

Applied Research - RL & Agents

$150k – $300k per year • Equity • In office (San Francisco, United States) • Relocation • Visa sponsorship • Full-Time
JavaScript
TypeScript
Databases
Databricks
AI/ML
AI Agents
DSPy
LangChain
LangGraph
OpenRouter
Perplexity
Ray
Reinforcement Learning
RLHF
SGLang
Together AI
vLLM
GRPO
LLM Evaluation
OpenAI
Post-training
SFT
Function Calling
Model Context Protocol
LLM
Synthetic Data
Frontend
Next.js
React.js
DevOps
Cloudflare
Datadog
Grafana
Prometheus
Docker
Kubernetes
Terraform
Management
Zapier
Apply
Top 25% payVerified live · 1 day ago 1 month ago

Member of Technical Staff - Training Platform

$150k – $300k per year • Staff+ • In office (San Francisco, United States) • Relocation • Visa sponsorship • Full-Time • Staff
Python
TypeScript
JavaScript
Python
FastAPI
SQLAlchemy
Databases
Databricks
AI/ML
Fine-tuning
LangChain
LLM
LoRA
OpenRouter
Perplexity
QLoRA
RLHF
SGLang
TensorRT
TensorRT-LLM
Together AI
vLLM
PEFT
NCCL
NVLink
OpenAI
Post-training
SFT
Function Calling
Frontend
Next.js
React.js
shadcn/ui
Tailwind CSS
tRPC
Radix UI
DevOps
Ansible
Cloudflare
Datadog
GCP
GitOps
Google Cloud Run
Google GKE
Grafana
Helm
KEDA
kubectl
Kubernetes
Loki
OpenTelemetry
Prometheus
Rest API
Terraform
Management
Zapier
Apply
Top 25% payVerified live · 1 day ago 1 month ago

Applied Research - Evals & Data

$150k – $300k per year • Equity • Remote/Hybrid (New York, United States) • Relocation • Visa sponsorship • Full-Time
Databricks
AI/ML
AI Agents
LangChain
OpenRouter
Perplexity
Ray
Reinforcement Learning
RLHF
SGLang
Together AI
vLLM
GRPO
LLM Evaluation
OpenAI
Post-training
SFT
Function Calling
DevOps
Cloudflare
Datadog
Docker
Grafana
Kubernetes
Prometheus
Terraform
Management
Zapier
Apply
Report

Cartesia

cartesia.ai
Cartesia is an artificial intelligence research and technology company that builds real-time, low-latency generative voice models for interactive applications. Founded by Stanford researchers, the company utilizes State Space Models (SSMs) to power its flagship text-to-speech platform, Sonic, which enables sub-second voice synthesis, instant voice cloning, and emotional expression across dozens of languages. By providing real-time speech generation and voice agent infrastructure, Cartesia allows developers and enterprises to power conversational AI systems, virtual assistants, and customer service platforms.
cartesia.ai • HQ: San Francisco, United States • LLM & Generative AI • Artificial Intelligence • Speech & Audio AI • 11-50 employees • Est. 2022
HQ: San Francisco, United States • LLM & Generative AI • Artificial Intelligence • Speech & Audio AI • 11-50 employees • Est. 2022
Top 25% payVerified live · 2 hours ago 10 months ago

Researcher, Post Training

$180k – $350k per year • Equity • In office (San Francisco, United States) • Visa sponsorship • Full-Time
Databricks
AI/ML
Multimodal AI
RLHF
Post-training
Fine-tuning
Human-in-the-Loop
Apply
Report

Hark

hark.com
Hark was an online digital entertainment platform best known for its extensive library of short audio soundbites, video clips, and pop culture quotes. Launched in 2007, the website allowed users to browse, create, and share playable soundboards featuring memorable lines from movies, television shows, and political figures. While it grew into a popular destination for viral sound clips during the late 2000s and early 2010s, the platform has since ceased its original operations.
hark.com • HQ: San Jose, United States • Machine Learning • Artificial Intelligence
HQ: San Jose, United States • Machine Learning • Artificial Intelligence
Open 160 daysTop 25% pay 5 months ago

Member of Technical Staff, Post-training

$180k – $450k per year • Staff+ • In office (San Jose, United States) • Full-Time • Staff
Python
AI/ML
Fine-tuning
Knowledge Distillation
LLM
Multimodal AI
PyTorch
Reinforcement Learning
RLHF
Synthetic Data
DPO
GRPO
Post-training
PPO
AI Agents
Function Calling
Robotics
Imitation Learning
Reinforcement Learning
Apply
Open 160 daysTop 25% pay 5 months ago

Member of Technical Staff, Multimodal Vision

$180k – $450k per year • Staff+ • In office (San Jose, United States) • Full-Time • Staff
DeepSpeed
Fine-tuning
Multimodal AI
Reinforcement Learning
RLHF
DPO
FSDP
GRPO
Megatron-LM
Post-training
PPO
SFT
AI Agents
Apply
Open 160 daysTop 25% pay 5 months ago

Member of Technical Staff, Multimodal Post-train/RL

$180k – $450k per year • Staff+ • In office (San Jose, United States) • Full-Time • Staff
Multimodal AI
RLHF
Synthetic Data
GRPO
Post-training
PPO
AI Agents
Apply
Report

xAI

x.ai
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.
x.ai • HQ: Palo Alto, United States • Multimodal AI • AI Agents • Machine Learning • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2023
HQ: Palo Alto, United States • Multimodal AI • AI Agents • Machine Learning • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2023
Top 25% payVerified live · 2 hours ago 4 months ago

Member of Technical Staff - Post-Training and RL

$600k per year • Staff+ • In office (Palo Alto, United States) • Staff
Reinforcement Learning
RLHF
DPO
Post-training
Apply
Report

Centific

centific.com
Centific is a global digital engineering and artificial intelligence services company headquartered in Redmond, Washington, and established in its current form in 2020. The company provides data-centric AI solutions, including data collection, curation, reinforcement learning from human feedback, and multilingual data services through its OneForma platform. It operates globally with a network of over one million experts and serves enterprise clients in sectors such as technology, healthcare, and retail to build and scale production-grade AI models.
centific.com • HQ: Redmond, United States • Natural Language Processing • Reinforcement Learning • Data Collection • Machine Learning • LLM & Generative AI • Artificial Intelligence • Data & Analytics • 1001-5000 employees • Est. 2020
HQ: Redmond, United States • Natural Language Processing • Reinforcement Learning • Data Collection • Machine Learning • LLM & Generative AI • Artificial Intelligence • Data & Analytics • 1001-5000 employees • Est. 2020
Top 25% payVerified live · 1 day ago 5 days ago

Principal Research Scientist, Reinforcement Learning

$250k – $300k per year • Lead • 7+ years expIn office (Palo Alto, United States) • Master's Degree • Full-Time • Principal
Python
AI/ML
Fine-tuning
Gymnasium
LLM
RAG
RLHF
TRL
Transformers
DPO
GRPO
Post-training
PPO
Function Calling
Synthetic Data
Robotics
Digital Twin
Apply
Top 25% payVerified live · 1 day ago 1 month ago

Applied Reinforcement Learning Engineer

$150k – $300k per year • Middle • 3+ years expRemote/Hybrid (United States) • Master's Degree • Full-Time • Middle
Python
AI/ML
AI Agents
Fine-tuning
Gymnasium
JAX
LLM
PyTorch
RAG
Reinforcement Learning
RLHF
RLlib
Stable-Baselines3
TensorFlow
Ray
Transformers
DPO
GRPO
OpenAI
Post-training
PPO
Function Calling
Synthetic Data
TRL
Robotics
Digital Twin
Sim-to-Real
Apply
Verified live · 1 day ago 1 month ago

Staff Research Scientist - Reinforcement Learning

$200k – $250k per year • Staff+ • 7+ years expUnited States • Remote (United States) • Master's Degree • Full-Time • Staff
Python
AI/ML
Fine-tuning
Gymnasium
LLM
RAG
RLHF
TRL
Transformers
DPO
GRPO
Post-training
PPO
Function Calling
Synthetic Data
Robotics
Digital Twin
Apply
Report

Canva

canva.com
Canva is an Australian multinational graphic design and online publishing platform founded in 2013 by Melanie Perkins, Cliff Obrecht, and Cameron Adams. Designed to make visual communication accessible to non-professionals, Canva features an intuitive drag-and-drop editor alongside a vast library of customizable templates, stock media, fonts, and graphics.
canva.com • HQ: Sydney, Australia • Design & Creative • Digital Design • Graphic Design • 1001-5000 employees
HQ: Sydney, Australia • Design & Creative • Digital Design • Graphic Design • 1001-5000 employees
Verified live · 2 min ago 5 days ago

Principal Research Scientist - Evaluations

$131k – $313k per year (Estimated) • Equity • Lead • Remote/Hybrid (Sydney, Australia) • Full-Time • Principal
Multimodal AI
RLHF
Post-training
AI Agents
Apply
Top 25% payVerified live · 2 min ago 5 days ago

Principal Research Scientist - Evaluations

$310k – $420k per year • Equity • Lead • Remote/Hybrid (San Francisco, United States) • Full-Time • Principal
Multimodal AI
RLHF
Post-training
AI Agents
Apply
Verified live · 2 min ago 12 days ago

Senior Research Data Engineer

$53k – $137k per year (Estimated) • Senior • Remote/Hybrid (Vienna, Austria) • Full-Time • Senior
Python
AI/ML
Fine-tuning
Label Studio
LLM
Multimodal AI
Prompt Engineering
Ray
RLHF
Synthetic Data
Tokenization
VLM
AI Agents
DPO
Human-in-the-Loop
Post-training
DevOps
AWS
Amazon S3
Apply
Report

Scale AI

scale.com
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.
scale.com • HQ: San Francisco, United States • Defense AI • Data & Analytics • Data Collection • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2016
HQ: San Francisco, United States • Defense AI • Data & Analytics • Data Collection • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2016
Verified live · 2 hours ago 5 days ago

Machine Learning Research Scientist, Evaluations

$232k – $508k per year (Estimated) • Equity • In office (San Francisco, United States) • Master's Degree • Full-Time
Fine-tuning
LLM
Multimodal AI
Reinforcement Learning
RLHF
Post-training
SFT
Apply
Verified live · 2 hours ago 1 year ago

Machine Learning Research Scientist, Post-Training

$232k – $508k per year (Estimated) • Equity • In office (San Francisco, United States) • Master's Degree • Full-Time
Fine-tuning
LLM
Multimodal AI
Reinforcement Learning
RLHF
Post-training
SFT
Apply
Verified live · 2 hours ago 1 month ago

Staff/Senior Machine Learning Research Engineer

$279k – $566k per year (Estimated) • Equity • Staff+ • 5+ years expIn office (San Francisco, United States) • PhD • Full-Time • Staff
Fine-tuning
RLHF
AI Agents
SFT
Function Calling
LLM
Apply
Report

DoorDash

doordash.com
DoorDash is an American technology company headquartered in San Francisco that operates a leading global local commerce and on-demand delivery platform. The company connects consumers with local merchants, offering last-mile logistics for restaurant meals, groceries, convenience goods, and retail items delivered by independent couriers. Beyond its core consumer marketplace, DoorDash provides digital ordering software, merchant advertising tools, and white-label fulfillment services for businesses across multiple countries.
doordash.com • HQ: San Francisco, United States • Commerce • Marketplaces • Transportation & Logistics • Delivery
HQ: San Francisco, United States • Commerce • Marketplaces • Transportation & Logistics • Delivery
$4k – $14k per year • Equity • Senior • 6+ years expIn office (San Francisco, United States) • Bachelor's Degree • Senior
Python
AI/ML
Claude
Claude Code
Cursor
DeepSeek
Embeddings
Fine-tuning
LLM
LoRA
Qwen
Reinforcement Learning
RLHF
PEFT
DPO
LLM Guardrails
OpenAI Codex
Post-training
SFT
AI Agents
AWQ
GPTQ
Quantization
RAG
SGLang
TensorRT
TensorRT-LLM
vLLM
Model Context Protocol
DevOps
AWS
GCP
Kubernetes
Vector
Apply
Verified live · 2 hours ago 2 months ago

Software Engineer, Machine Learning Infrastructure - Generative AI

$4k – $14k per year • Equity • Middle • 3+ years expIn office (San Francisco, United States) • Bachelor's Degree • Middle
Python
SQL
AI/ML
Claude
Claude Code
Cursor
LLM
RLHF
LLM Guardrails
OpenAI Codex
Post-training
AI Agents
Fine-tuning
RAG
Human-in-the-Loop
LLM Evaluation
Model Context Protocol
DevOps
OpenTelemetry
AWS
GCP
Kubernetes
Vector
Apply
Report

Databricks

databricks.com
Databricks is an American software company founded in 2013 by the original creators of Apache Spark, Delta Lake and MLflow at the University of California, Berkeley. Its data intelligence platform unifies data engineering, warehousing, governance, analytics and machine learning on a lakehouse architecture that stores open table formats in a customer's own cloud object storage. Headquartered in San Francisco and available on AWS, Azure and Google Cloud, the platform is used by tens of thousands of organisations to build pipelines, dashboards and production AI applications.
databricks.com • HQ: San Francisco, United States • MLOps • Machine Learning • Big Data • Data Engineering • Artificial Intelligence • Data & Analytics • Data Warehousing • 5000+ employees • Est. 2013
HQ: San Francisco, United States • MLOps • Machine Learning • Big Data • Data Engineering • Artificial Intelligence • Data & Analytics • Data Warehousing • 5000+ employees • Est. 2013
$106k – $256k per year (Estimated) • Staff+ • In office (Amsterdam, Netherlands) • Architect
Python
SQL
Databases
Databricks
AI/ML
Fine-tuning
LLM
PyTorch
Reinforcement Learning
RLHF
Spark
Transformers
AI Agents
GRPO
Post-training
PPO
SFT
Analytics
ETL/ELT
Apply
$80k – $193k per year (Estimated) • Staff+ • In office (Paris, France) • Architect
Python
SQL
Databases
Databricks
AI/ML
Fine-tuning
LLM
PyTorch
Reinforcement Learning
RLHF
Spark
Transformers
AI Agents
GRPO
Post-training
PPO
SFT
Analytics
ETL/ELT
Apply
Report

Salary range

Seniority Jobs 25% Median 75%
Middle 13 $175K $280K $350K
Senior 33 $150K $230K $288K
Staff 19 $260K $370K $450K
Lead 12 $200K $300K $342K
All levels 114 $200K $300K $380K

Based only on the listings that state pay. Gross annual amounts, converted to USD so roles in different currencies stay comparable.

Fully remote 17%
56
Hybrid 20%
68
On site 63%
208
Visa sponsorship 9%
29
Relocation package 8%
26
Equity 23%
76

The market right now

Alion currently lists 332 open RLHF jobs from 172 companies. 39 of them were posted or refreshed in the last seven days. 136 of the employers have posted something in the last three months, which is the pool worth watching if you are starting a search now. Every listing links straight to the employer, so you apply on their own board rather than through an intermediary.

What these roles pay

114 of these RLHF jobs state pay directly. Across them the middle half of the market sits between $200K and $380K a year, with a median of $300K. By level, the median runs middle at $280K, senior at $230K, staff at $370K, and lead at $300K. Figures are gross annual amounts converted to US dollars, so roles in different currencies stay comparable.

Where the work is

The largest concentrations of these roles are United States (12), Singapore (11), Poland (8), Japan (5), and Netherlands (4). 17% of the listings are fully remote and a further 20% are hybrid, so a large part of this market is open to you regardless of where you live.

Who is hiring

The employers with the most open RLHF jobs right now are Scale AI (26), DoiT (10), OpenAI (10), ConveGenius (8), Anthropic (7), and Canva (6). Each company page on Alion carries its size, funding stage, tech stack and every other position it has open, so you can judge the employer before you spend an evening on the application.

What employers ask for

Reading across the current listings, the tools that come up most often are RLHF (332), Fine-tuning (236), Python (197), AI Agents (194), LLM (181), PyTorch (155), Post-training (138), and Reinforcement Learning (135). The counts are how many of these openings name each one, which is a better guide to what is actually being hired for than a generic skills list.

Relocation, visas and equity

Of the current RLHF jobs, 29 state visa sponsorship, 26 offer a relocation package, and 76 include equity. These are filters on the list above, so you can narrow it to the ones that make a move possible for you.

RLHF Jobs - Remote & On-site
Frequently asked questions
How many RLHF jobs are open right now?
There are 332 open RLHF jobs on Alion from 172 companies. The list was last refreshed on August 31, 2026.
What do RLHF jobs pay?
The median is $300K a year, and the middle half of the market falls between $200K and $380K. This is based on the 114 listings that state pay.
Are any of these roles remote?
56 of the 332 listings (17%) are fully remote, and you can filter the list down to them in one click.
Which companies are hiring?
The most active employers right now are Scale AI, DoiT, OpenAI, ConveGenius, Anthropic, and Canva. Each has its own page on Alion with the rest of its open roles.
Can I get visa sponsorship or relocation?
Yes - of the current listings, 29 state visa sponsorship and 26 offer a relocation package. Both are filters on the jobs page.
How do I apply?
Open any listing and apply on the employer's own board through the link on the page. No account is required to browse or to apply.