PPO Jobs - Remote & On-site

PPO jobs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $287,280/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

Labelbox

labelbox.com
Labelbox is a San Francisco company founded in 2018 that provides a data engine for training and evaluating machine learning models. Its platform combines annotation tooling, model-assisted labelling and quality analytics, and it operates an expert workforce marketplace for tasks that require domain knowledge. Customers range from computer vision teams to frontier labs sourcing human preference data.
labelbox.com • HQ: San Francisco, United States • Information Security • Cybersecurity • Artificial Intelligence • Est. 2018
HQ: San Francisco, United States • Information Security • Cybersecurity • Artificial Intelligence • Est. 2018
Verified live · 4 hours ago 1 month ago

Staff ML Engineer, Agent Training & Environments

$185k – $376k per year (Estimated) • Equity • Staff+ • 3+ years expIn office (San Francisco, United States) • Staff
Python
JavaScript
Java
Kotlin
Node JS
TypeScript
Databases
Apache Kafka
Databricks
Google Cloud Spanner
MySQL
PostgreSQL
AI/ML
Fine-tuning
LLM
DPO
GRPO
Post-training
PPO
SFT
AI Agents
Frontend
GraphQL
React.js
Redux
DevOps
GCP
Kubernetes
Apply
Report

Avomind

avomind.com
Avomind is a platform connecting graduates and senior alumni from leading academic institutions with fast-growing firms. Our mission is to connect high-caliber candidates with impactful opportunities.... Our global network is built up of partnersh...
avomind.com • HQ: London, United Kingdom • Professional Services • Human Resources • 501-1000 employees • Est. 2019
HQ: London, United Kingdom • Professional Services • Human Resources • 501-1000 employees • Est. 2019
Verified live · 2 hours ago 1 month ago

Principal Machine Learning Engineer

$119k – $284k per year (Estimated) • Lead • Singapore • Remote (Singapore) • Full-Time • Principal
DeepSpeed
Fine-tuning
JAX
Knowledge Distillation
LoRA
PyTorch
QLoRA
Quantization
Ray
PEFT
DPO
FSDP
Megatron-LM
SFT
Diffusion Models
LLM
Multimodal AI
Reinforcement Learning
RLHF
Spark
TensorRT
TensorRT-LLM
vLLM
PPO
Apply
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Luma AI

lumalabs.ai
Luma AI is an artificial intelligence company that specializes in building advanced 3D visual technology and generative AI tools. Founded in 2021, the company is best known for its realistic text-to-3D models, NeRF (Neural Radiance Fields) capture app, and its high-quality video generation model, Dream Machine. By enabling creators and developers to easily capture, generate, and edit photorealistic 3D assets and video, it aims to make next-generation digital media creation accessible to everyone.
lumalabs.ai • HQ: Palo Alto, United States • Artificial Intelligence • Generative Image • Generative Video • Est. 2021
HQ: Palo Alto, United States • Artificial Intelligence • Generative Image • Generative Video • Est. 2021
$154k – $390k per year (Estimated)Remote/Hybrid (Redwood City, United States) • Full-Time
C
C
MPI
AI/ML
LLM
Multimodal AI
PyTorch
Ray
Reinforcement Learning
RLHF
SGLang
TRL
vLLM
Transformers
AI Agents
FSDP
Function Calling
GRPO
LLM Evaluation
NCCL
Post-training
PPO
DevOps
Kubernetes
Apply
Report

ConveGenius

convegenius.com
ConveGenius is an education management company that provides services related to sustainable education for K-10 categories through impact-driven programs, an adaptive learning platform, and data dashboards.
convegenius.com • HQ: Noida, India • Primary Education • Est. 2013
HQ: Noida, India • Primary Education • Est. 2013
$28k – $118k per year (Estimated)In office (Noida, India)
DeepSpeed
Fine-tuning
LoRA
PEFT
Perplexity
PyTorch
QLoRA
RLHF
Transformers
TRL
DPO
FSDP
Hugging Face
Megatron-LM
PPO
SFT
Apply
1 month ago

Gen AI Engineer

$28k – $116k per year (Estimated)In office (Noida, India)
DeepSpeed
Fine-tuning
GGUF
LoRA
ONNX
PEFT
Perplexity
PyTorch
QLoRA
RLHF
Transformers
TRL
vLLM
DPO
FSDP
Hugging Face
Megatron-LM
PPO
SFT
Hybrid Search
RAG
TensorRT
AI Agents
Function Calling
DevOps
Vector
Apply
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Figma

figma.com
Figma is a leading collaborative interface design and prototyping platform that enables teams to build digital products together in real time. Operating entirely in the cloud, the platform integrates vector graphics editing, interactive prototyping, design system management, and developer handoff into a seamless, browser-based workflow.
figma.com • New York • Berlin • Sydney • London • Washington • Design & Creative • Digital Design • UI/UX Design • 1001-5000 employees
New York • Berlin • Sydney • London • Washington • Design & Creative • Digital Design • UI/UX Design • 1001-5000 employees
Verified live · 1 hour ago 8 months ago

AI Applied Scientist

$139k – $289k per year (Estimated) • Senior • 6+ years expRemote/Hybrid (San Francisco, United States) • Internship • Senior
C++
Java
Python
C++
PyTorch C++
AI/ML
Computer Vision
Fine-tuning
JAX
Prompt Engineering
PyTorch
Reinforcement Learning
Synthetic Data
DPO
GRPO
Hugging Face
PPO
SFT
Design
Figma
Apply
Report

DeepL

deepl.com
DeepL is a German artificial intelligence company specializing in advanced neural machine translation and language technologies. The company utilizes proprietary deep learning models trained on vast multilingual datasets to deliver highly accurate, natural-sounding text translations and AI writing assistance. Operating through web interfaces, desktop and mobile applications, and enterprise APIs, DeepL provides secure communication tools for individuals and multinational organizations worldwide.
deepl.com • HQ: Cologne, Germany • Professional Services • Artificial Intelligence • Natural Language Processing • Translation Services • 501-1000 employees • Est. 2017
HQ: Cologne, Germany • Professional Services • Artificial Intelligence • Natural Language Processing • Translation Services • 501-1000 employees • Est. 2017
Verified live · 1 day ago 1 month ago

Senior Research Scientist | Multimodal Systems

$100k – $207k per year (Estimated) • Senior • Remote/Hybrid (London, United Kingdom, Munich, Cologne, Germany) • Full-Time • Senior
Python
AI/ML
Fine-tuning
JAX
Knowledge Distillation
Multimodal AI
PyTorch
Reinforcement Learning
RLHF
Synthetic Data
TensorFlow
VLM
Edge AI
Post-training
PPO
SFT
Diffusion Models
NLP
Human-in-the-Loop
Apply
Verified live · 1 day ago 1 month ago

Senior Research Scientist | Model Steering

$98k – $204k per year (Estimated) • Senior • Remote/Hybrid (London, United Kingdom, Munich, Cologne, Germany) • Full-Time • Senior
Python
AI/ML
Fine-tuning
JAX
Knowledge Distillation
LLM
Multimodal AI
PyTorch
Reinforcement Learning
RLHF
Synthetic Data
TensorFlow
DPO
Edge AI
Human-in-the-Loop
Post-training
PPO
Pre-training
SFT
DeepSpeed
NLP
SGLang
TensorRT
TensorRT-LLM
vLLM
FSDP
Megatron-LM
Apply
Report

Handshake

joinhandshake.com
Handshake is a professional career network for students and early-career professionals headquartered in San Francisco, California, and founded in 2014. The company provides a digital platform that connects university students with internships and entry-level jobs, including specialized roles in the artificial intelligence economy. It serves over 15 million students and alumni from more than 1,500 colleges and universities, partnering with over 900,000 employers across the United States, United Kingdom, and Europe.
joinhandshake.com • HQ: San Francisco, United States • Machine Learning • Artificial Intelligence • Online Directories & Classifieds • Internet Services • Higher Education • Education • Professional Services • Human Resources • Est. 2014
HQ: San Francisco, United States • Machine Learning • Artificial Intelligence • Online Directories & Classifieds • Internet Services • Higher Education • Education • Professional Services • Human Resources • Est. 2014
Top 25% payVerified live · 10 hours ago 1 month ago

Director, Applied Machine Learning

$375k – $400k per year • Executive • In office (San Francisco, United States) • Full-Time • Architect
GRPO
Post-training
PPO
Scale AI
SFT
Apply
Top 25% payVerified live · 10 hours ago 1 month ago

Senior AI Forward Deployed Engineer

$300k – $375k per year • Senior • 6+ years expIn office (San Francisco, United States) • Full-Time • Senior
Python
AI/ML
Fine-tuning
LoRA
PEFT
Reinforcement Learning
RLHF
Transformers
DPO
Post-training
PPO
Scale AI
Apply
Report

Thomson Reuters

thomsonreuters.com
Thomson Reuters is a global provider of business information services and technology solutions, headquartered in Toronto, Canada. The company specializes in delivering specialized news, workflow software, and AI-powered intelligence to professionals in the legal, tax, accounting, and compliance sectors. It is also well-known for operating Reuters, one of the world's largest and most trusted news agencies.
thomsonreuters.com • HQ: Toronto, Canada • Professional Services • Media & Entertainment • Data & Analytics • News Agencies • Legal Services • 5000+ employees • Est. 2008
HQ: Toronto, Canada • Professional Services • Media & Entertainment • Data & Analytics • News Agencies • Legal Services • 5000+ employees • Est. 2008
Verified live · 3 hours ago 1 month ago

Machine Learning Research Engineer (Foundational Research)

$64k – $178k per year (Estimated) • Middle • 3+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time • Middle
AutoGPT
ClearML
Fine-tuning
Hallucination
LangGraph
LiteLLM
LlamaIndex
LLM
MLFlow
NLP
PyTorch
Ray
Reinforcement Learning
RLHF
Synthetic Data
Transformers
vLLM
Weights & Biases
LangChain
DPO
Hugging Face
Knowledge Graph
Post-training
PPO
Red Teaming
SFT
AI Agents
Function Calling
DevOps
AWS
Azure
CI/CD
GCP
Apply
Report

Spotify

spotify.com
Spotify is an audio streaming platform that delivers an extensive catalog of music, podcasts, and audiobooks, catering to hundreds of millions of users globally. It empowers artists by providing them with the means to monetize their creativity while offering fans unparalleled access to a diverse array of content, all driven by a passion for sound.
spotify.com • HQ: Stockholm, Sweden • Podcasting • Audio Production • Music Industry • Streaming & OTT Platforms • 1001-5000 employees
HQ: Stockholm, Sweden • Podcasting • Audio Production • Music Industry • Streaming & OTT Platforms • 1001-5000 employees
Verified live · 7 hours ago 1 month ago

Research Scientist - Generative Audio

$146k – $319k per year (Estimated)New York • Remote (United States) • PhD • Full-Time
Python
AI/ML
Computer Vision
NumPy
PyTorch
Reinforcement Learning
RLHF
DPO
GRPO
Post-training
PPO
Apply
Verified live · 7 hours ago 1 month ago

Research Scientist - Generative Audio

$110k – $230k per year (Estimated)London • Remote (United Kingdom) • PhD • Full-Time
Python
AI/ML
Computer Vision
NumPy
PyTorch
Reinforcement Learning
RLHF
DPO
GRPO
Post-training
PPO
Apply
Report

Gina's Tech Jobs

ginastechjobs.com
Gina's Tech Jobs is a technology recruitment agency headquartered in Charlotte, North Carolina, and founded in 1999. The agency places engineers into permanent roles at United States technology employers, with a heavy concentration in machine learning, artificial intelligence, and software engineering positions. It works largely on remote and hybrid searches and represents both established employers and smaller AI companies hiring technical staff.
ginastechjobs.com • HQ: Charlotte, United States • Machine Learning • Artificial Intelligence • IT Consulting • Information Technology • Professional Services • Human Resources • Est. 1999
HQ: Charlotte, United States • Machine Learning • Artificial Intelligence • IT Consulting • Information Technology • Professional Services • Human Resources • Est. 1999
$170k – $200k per year • Lead • San Francisco • Remote (United States) • Full-Time • Senior
DeepSpeed
Diffusion Models
Fine-tuning
JAX
LLM
Multimodal AI
PyTorch
Quantization
Ray
RLHF
Spark
TensorRT
TensorRT-LLM
vLLM
DPO
FSDP
Megatron-LM
PPO
Apply
Report

Thales Alenia Space

thalesaleniaspace.com
We believe in Space as humankind’s new horizon to build a better, sustainable Life on Earth. In Space, governments, institutions and companies rely on us to design, operate and deliver a whole range of satellite-based systems.
thalesaleniaspace.com • Victoria • Montreal • Orlando • Burlington • Irvine • Environmental Science • Space & Aerospace • Earth Observation • 5000+ employees
Victoria • Montreal • Orlando • Burlington • Irvine • Environmental Science • Space & Aerospace • Earth Observation • 5000+ employees
Verified live · 2 hours ago 1 month ago

Data Scientist

Remote/Hybrid (Singapore) • Bachelor's Degree • Full-Time
C++
Go
Python
TypeScript
C++
PyTorch C++
TensorFlow C++
AI/ML
Airflow
Hallucination
Kubeflow
LLM
MLFlow
PyTorch
RAG
Reinforcement Learning
Scikit-learn
TensorFlow
Weights & Biases
OpenAI
PPO
Encoder-Decoder
Gymnasium
LangChain
LlamaIndex
Prompt Engineering
Spark
AI Agents
DevOps
Docker
Kubernetes
AWS
Azure
CI/CD
GCP
Amazon S3
Analytics
ETL/ELT
Apply
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NBCUniversal Careers

nbcunicareers.com
NBCUniversal Careers is the official global job portal and talent acquisition hub for NBCUniversal, one of the world's leading media and entertainment enterprises. The platform connects candidates with diverse professional opportunities, internships, and early career programs across iconic brands such as Universal Pictures, NBC News, Peacock, and Universal Destinations & Experiences.
nbcunicareers.com • HQ: New York, United States • Film Production • Broadcasting • Media & Entertainment • 1001-5000 employees
HQ: New York, United States • Film Production • Broadcasting • Media & Entertainment • 1001-5000 employees
$76k – $188k per year (Estimated)In office (Montreal, Canada) • Master's Degree • Full-Time • Senior • French: C1
Python
AI/ML
Ray
Reinforcement Learning
RLlib
Stable-Baselines3
PyTorch
PPO
DevOps
Git
Game Dev
Unity
Robotics
Imitation Learning
Isaac Sim
MuJoCo
Reinforcement Learning
Sim-to-Real
Management
Confluence
Jira
Slack
Apply
Report

Atkinsrealis

atkinsrealis.com
AtkinsRéalis (formerly SNC-Lavalin) is a global engineering, procurement, and project management enterprise headquartered in Montreal, Canada. The company provides end-to-end consulting, digital design, nuclear technology, and infrastructure solutions across major sectors including transportation, defense, clean energy, and mining.
atkinsrealis.com • HQ: Montreal, Canada • Nuclear Energy • Science & Engineering • Civil & Structural Engineering • 1001-5000 employees
HQ: Montreal, Canada • Nuclear Energy • Science & Engineering • Civil & Structural Engineering • 1001-5000 employees
1 month ago

Sr AI/ML Engineer

$143k – $197k per year • Senior • 12+ years expRemote/Hybrid (Englewood, Longmont, Herndon, United States) • Bachelor's Degree • Full-Time • Senior
C#
C++
Java
Python
C++
PyTorch C++
TensorFlow C++
AI/ML
CUDA Toolkit
Explainable AI
Multimodal AI
PyTorch
RAG
Reinforcement Learning
TensorFlow
TensorRT
Edge AI
PPO
DevOps
AWS
HPC
Robotics
Reinforcement Learning
Sensor Fusion
Apply
Report

Figure AI

figure.ai
Figure AI is an American robotics company founded in 2022 that develops general-purpose humanoid robots for commercial and household work. Its Figure 02 and Figure 03 machines combine custom actuators, battery systems and hands with the in-house Helix vision-language-action model, which lets one neural network drive both perception and motor control from natural-language instructions. Headquartered in San Jose, California, the company runs the BotQ manufacturing facility for high-volume production and has piloted its robots on logistics and automotive assembly work with commercial partners.
figure.ai • HQ: San Jose, United States • Manufacturing • Humanoid Robots • Artificial Intelligence • Robotics • Robotics AI • 501-1000 employees • Est. 2022
HQ: San Jose, United States • Manufacturing • Humanoid Robots • Artificial Intelligence • Robotics • Robotics AI • 501-1000 employees • Est. 2022
Top 25% payVerified live · 8 hours ago 4 months ago

Reinforcement Learning Engineer – Whole Body Control

$200k – $350k per year • In office (San Jose, United States) • Full-Time
Knowledge Distillation
Reinforcement Learning
PPO
Robotics
Reinforcement Learning
Sim-to-Real
Apply
Report

Jabil Inc.

jabil.com
Jabil Inc. is a global manufacturing solutions and supply chain services company based in St. Petersburg, Florida. Founded in 1966, it is one of the world's largest Electronics Manufacturing Services (EMS) providers and trades publicly on the NYSE under the ticker JBL. The company acts as a primary manufacturing and engineering partner for major global original equipment manufacturers (OEMs), providing design, prototyping, contract assembly, component sourcing, and lifecycle logistics.
jabil.com • HQ: Saint Petersburg, United States • Supply Chain • Electronics Manufacturing • Contract Manufacturing • 1001-5000 employees • Est. 1966
HQ: Saint Petersburg, United States • Supply Chain • Electronics Manufacturing • Contract Manufacturing • 1001-5000 employees • Est. 1966
Verified live · 1 hour ago 2 months ago

SLM & VLM Engineer — Post-Training, Tool Calling & Agents

In office (Singapore) • Full-Time • Chinese
C++
Python
C++
PyTorch C++
AI/ML
CUDA
CUDA Toolkit
Knowledge Distillation
PyTorch
Quantization
VLM
DPO
GRPO
Post-training
PPO
SFT
Function Calling
Apply
Open 104 daysVerified live · 1 hour ago 3 months ago

Senior / Staff SLM & VLM Engineer — Post-Training, Tool Calling & Agents

$143k – $313k per year (Estimated) • Staff+ • In office (Singapore) • Full-Time • Staff • Chinese
C++
Python
C++
PyTorch C++
AI/ML
CUDA
CUDA Toolkit
Knowledge Distillation
PyTorch
Quantization
VLM
DPO
GRPO
Post-training
PPO
SFT
Function Calling
Apply
Report

1X Technologies

1x.tech
1X Technologies is a humanoid robotics company founded in Norway in 2014 that develops general-purpose robots for everyday physical work. Its EVE wheeled android and the newer NEO home humanoid are trained with end-to-end neural networks rather than scripted motion, and the company runs its own hardware manufacturing. Backed by OpenAI and other investors, it operates engineering teams in Norway and the San Francisco Bay Area.
1x.tech • HQ: Moss, Norway • Robotics Hardware • Robotics AI • Robotics • Est. 2014
HQ: Moss, Norway • Robotics Hardware • Robotics AI • Robotics • Est. 2014
Top 25% payVerified live · 1 hour ago 2 months ago

AI Researcher - Reinforcement Learning

$200k – $300k per year • In office • Full-Time
C++
Python
JavaScript
C++
PyTorch C++
AI/ML
PyTorch
Reinforcement Learning
PPO
Frontend
Bootstrap
Robotics
Isaac Sim
Model Predictive Control
MuJoCo
Reinforcement Learning
Sim-to-Real
Imitation Learning
Apply
Report

Snowflake

snowflake.com
Snowflake is a cloud software company that helps organisations store, process, and analyse large volumes of data in a way that is designed for modern cloud infrastructure. Many businesses struggle with data spread across different systems, slow reporting cycles, and the cost and complexity of managing traditional data warehouses.
snowflake.com • HQ: Bozeman, United States • Database Management • Data & Analytics • Data Warehousing • 1001-5000 employees
HQ: Bozeman, United States • Database Management • Data & Analytics • Data Warehousing • 1001-5000 employees
Top 25% payVerified live · 2 hours ago 2 months ago

AI Research Scientist, New Grad – Agents & Reinforcement Learning

$176k – $230k per year • Junior • In office (Bellevue, United States) • PhD • Full-Time • Junior
Python
Databases
Snowflake
AI/ML
Fine-tuning
JAX
LLM
PyTorch
Reinforcement Learning
RLHF
DPO
Post-training
PPO
AI Agents
Apply
Report

Crosby

crosby.ai
Crosby operates as an artificial intelligence native law firm, using its own software to turn around contracts in hours. Founded in 2024 in San Francisco, it employs lawyers who work alongside the models rather than selling software alone. Startups use it as an alternative to traditional outside counsel.
crosby.ai • HQ: San Francisco, United States • Professional Services • Artificial Intelligence • Legal Services • Est. 2024
HQ: San Francisco, United States • Professional Services • Artificial Intelligence • Legal Services • Est. 2024
Top 25% payVerified live · 1 day ago 2 months ago

Member of Technical Staff, Research Engineer

$200k – $300k per year • Staff+ • 3+ years expIn office (New York, United States) • Full-Time • Staff
Python
AI/ML
Cursor
Fine-tuning
LLM
RAG
vLLM
Anthropic
GRPO
Human-in-the-Loop
OpenAI
Post-training
PPO
SFT
AI Agents
Apply
Report

Abby Care

abbycare.org
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.
abbycare.org • San Francisco • Worcester • Philadelphia • Boston • Newark • Medical AI • Artificial Intelligence • Nursing Care • Digital Health • Health Care • Home Healthcare
San Francisco • Worcester • Philadelphia • Boston • Newark • Medical AI • Artificial Intelligence • Nursing Care • Digital Health • Health Care • Home Healthcare
Open 95 daysTop 25% pay 3 months ago

Senior Applied AI Engineer

$190k – $250k per year • Senior • 5+ years expIn office (San Francisco, United States) • Relocation • Full-Time • Senior
Fine-tuning
Multimodal AI
Reinforcement Learning
Synthetic Data
Knowledge Graph
LLM Evaluation
Post-training
PPO
Apply
Report

Saviynt

saviynt.com
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...
saviynt.com • San Francisco • Bengaluru • Milpitas • Delhi • Atlanta • Artificial Intelligence • Cybersecurity • Identity Management • 501-1000 employees
San Francisco • Bengaluru • Milpitas • Delhi • Atlanta • Artificial Intelligence • Cybersecurity • Identity Management • 501-1000 employees
Top 25% payVerified live · 5 hours ago 3 months ago

AI Platform Engineer, Training and Inference

$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
Apply
Report
PPO Jobs - Remote & On-site
Frequently asked questions
How many PPO jobs are available on Alion?
There are currently 73 active listings from 47 hiring companies on Alion, refreshed daily.
What salary do PPO jobs pay?
The average salary is around $287,280 per year based on the current listings.
Are remote options available for PPO jobs?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for PPO jobs?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.