Post-training Jobs - Remote & On-site

Post-training jobs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $330,524/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

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 · 2 days ago 2 months ago

Member of Technical Staff - Security
$180k – $350k per year • Equity • Staff+ • 5+ years exp • In office (San Francisco, United States) • Relocation • Visa sponsorship • Full-Time • Staff
Python
Rust
Databases
Databricks
AI/ML
LangChain
OpenRouter
Perplexity
Together AI
OpenAI
Post-training
Red Teaming
SFT
AI Agents
Function Calling
DevOps
Cloudflare
Datadog
GCP
Kubernetes
Service Mesh
eBPF
Cybersecurity
SOC 2
Threat Modeling
Zero Trust
Falco
FedRAMP
ISO 27001
Management
Zapier
Apply
Top 25% payVerified live · 2 days ago 2 months 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
Verified live · 2 days ago 2 months ago

Member of Technical Staff - Compute Platform
≈ $184k – $372k per year (Estimated) • Staff+ • In office (San Francisco, United States) • Full-Time • Staff
Python
Rust
TypeScript
JavaScript
Python
FastAPI
Databases
Databricks
AI/ML
LangChain
OpenRouter
Perplexity
Together AI
OpenAI
Post-training
SFT
TPU
Function Calling
Frontend
Next.js
React.js
Tailwind CSS
DevOps
Ansible
Cloudflare
Datadog
GCP
Grafana
Kubernetes
Prometheus
Rest API
Terraform
WebSockets
Management
Zapier
Apply
Report

Llamaindex
llamaindex.com
LlamaIndex is the most accurate, secure, and easy-to-use platform for building knowledge agents over enterprise data. We have both an open-source agent orchestration framework, available in Python and Typescript, as well as a commercial knowledge management service.
llamaindex.com • San Francisco • London • Software • Artificial Intelligence • LLM & Generative AI
San Francisco • London • Software • Artificial Intelligence • LLM & Generative AI
$180k – $250k per year • Staff+ • 3+ years exp • Remote/Hybrid (San Francisco, United States) • Full-Time • Staff
Python
Python
Mypy
Pydantic
AI/ML
Computer Vision
Fine-tuning
NLP
PyTorch
Synthetic Data
OCR
Post-training
AI Agents
Claude
Claude Code
Cursor
LlamaIndex
vLLM
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 · 6 hours ago 11 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
Top 25% payVerified live · 6 hours ago 2 months ago

Applied Researcher, Audio Post-Training
$200k – $350k per year • Equity • In office (San Francisco, United States) • Visa sponsorship • Full-Time
Databricks
AI/ML
Fine-tuning
Multimodal AI
Reinforcement Learning
Synthetic Data
Post-training
SFT
Apply
Top 25% payVerified live · 6 hours ago 2 months ago

Software Engineer, Data Infrastructure
$250k – $375k per year • Equity • In office (San Francisco, United States) • Visa sponsorship • Full-Time
Databricks
AI/ML
Multimodal AI
Post-training
Pre-training
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 6 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 166 daysTop 25% pay 6 months ago

Member of Technical Staff, Mid-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
Synthetic Data
Post-training
Pre-training
AI Agents
Function Calling
Robotics
Reinforcement Learning
Apply
Open 160 daysTop 25% pay 6 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
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 5 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
Top 25% payVerified live · 2 hours ago 5 months ago

Member of Technical Staff - Multimodal Understanding
$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
Apply
Top 25% payVerified live · 2 hours ago 6 months ago

Member of Technical Staff - Imagine Model
$440k per year • Staff+ • In office (Palo Alto, United States) • Staff
C++
Python
Rust
C++
PyTorch C++
AI/ML
Knowledge Distillation
Multimodal AI
Edge AI
Post-training
AI Agents
JAX
PyTorch
Ray
Spark
Synthetic Data
SFT
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 exp • In 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 2 months ago

Applied Reinforcement Learning Engineer
$150k – $300k per year • Middle • 3+ years exp • Remote/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 2 months ago

Staff Research Scientist - Reinforcement Learning
$200k – $250k per year • Staff+ • 7+ years exp • United 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

Anyscale
anyscale.com
Anyscale is an artificial intelligence infrastructure company headquartered in San Francisco, California, and founded in 2019 by the creators of Ray at the UC Berkeley RISELab. The company offers a managed platform for running Ray, the open source framework used to scale model training, batch inference, and reinforcement learning across clusters. It sells to machine learning engineering teams that need to move distributed AI workloads from laptops to production without rebuilding their stack.
anyscale.com • HQ: San Francisco, United States • Hardware • Information Technology • MLOps • Artificial Intelligence • AI Infrastructure • Cloud Computing • Machine Learning • 201-500 employees • Est. 2019
HQ: San Francisco, United States • Hardware • Information Technology • MLOps • Artificial Intelligence • AI Infrastructure • Cloud Computing • Machine Learning • 201-500 employees • Est. 2019
Top 25% payVerified live · 6 hours ago 5 days ago

Software Engineer, ML Developer Experience
$226k – $283k per year • Senior • 5+ years exp • Remote/Hybrid (San Francisco, United States) • Bachelor's Degree • Full-Time • Senior
Fine-tuning
LLM
MLFlow
PyTorch
Ray
OpenAI
Post-training
Model Context Protocol
DevOps
OpenTelemetry
Apply
Report

Abridge
abridge.com
Abridge is an AI-powered clinical documentation platform that transforms patient-clinician conversations into structured, real-time medical notes. Designed to reduce administrative burden and clinician burnout, the platform integrates seamlessly into major electronic health record (EHR) systems like Epic. By leveraging specialized healthcare language models, Abridge enables medical providers to spend less time on paperwork and focus more on delivering quality patient care.
abridge.com • HQ: San Francisco, United States • Health Care • Medical AI • Artificial Intelligence • 201-500 employees
HQ: San Francisco, United States • Health Care • Medical AI • Artificial Intelligence • 201-500 employees
Top 25% payVerified live · 1 day ago 5 days ago

Product Lead, Foundational Models and Post-Training
$250k – $290k per year • Equity • Lead • 7+ years exp • Remote/Hybrid • Relocation • PhD • Full-Time • Staff
Fine-tuning
Post-training
Knowledge Distillation
LLM
Reinforcement Learning
AI Agents
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 · 1 hour 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 · 1 hour 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 · 1 hour 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 · 3 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 · 3 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 · 3 hours ago 2 months ago

Senior Manager, Research Scientist
≈ $240k – $466k per year (Estimated) • Equity • Senior • 5+ years exp • In office (San Francisco, United States) • PhD • Full-Time • Senior
Post-training
Scale AI
AI Agents
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 · 12 hours ago 5 days ago

AI Red Teamer, Cybersecurity
$130k – $250k per year • In office (Seattle, United States) • Contractor
Bash
C++
JavaScript
PowerShell
Python
AI/ML
ChatGPT
Claude
Gemini
LLM Guardrails
Post-training
Red Teaming
Scale AI
LLM
Cybersecurity
Cyber Kill Chain
MITRE ATT&CK
Apply
Top 25% payVerified live · 12 hours ago 19 days ago

Senior UX Researcher
$175k – $220k per year • Senior • 5+ years exp • In office (San Francisco, United States) • Full-Time • Senior
Reinforcement Learning
Post-training
Scale AI
Apply
Verified live · 12 hours ago 27 days ago

Software Engineer I, International Expansion
≈ $19k – $50k per year (Estimated) • Equity • Junior • 3+ years exp • In office • Internship • Junior
Post-training
Scale AI
AI Agents
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 exp • In 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 3 months ago

Software Engineer, Machine Learning Infrastructure - Generative AI
$4k – $14k per year • Equity • Middle • 3+ years exp • In 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
Verified live · 2 hours ago 27 days ago

Member of Technical Staff, Lead Researcher
$4k – $14k per year • Equity • Lead • In office (San Francisco, United States) • PhD • Staff
Multimodal AI
AI Agents
Function Calling
Human-in-the-Loop
LLM Evaluation
Post-training
Pre-training
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
Verified live · 1 hour ago 3 months ago

Staff Research Engineer, Data Agents
≈ $216k – $438k per year (Estimated) • Staff+ • 2+ years exp • In office (San Francisco, United States) • Bachelor's Degree • Staff
Databricks
AI/ML
Reinforcement Learning
Edge AI
Post-training
AI Agents
Apply
Report

Emergent
emergent.sh
Emergent is an AI-driven tech platform that streamlines software development through its autonomous coding platform where AI agents manage coding, testing, and deployment, allowing users to focus on creativity.
emergent.sh • Bengaluru • Artificial Intelligence • AI Agents • Code Intelligence • Est. 2023
Bengaluru • Artificial Intelligence • AI Agents • Code Intelligence • Est. 2023
≈ $33k – $83k per year (Estimated) • Senior • 5+ years exp • In office (Bengaluru, India) • Senior
Python
AI/ML
Fine-tuning
Knowledge Distillation
lm-eval-harness
RLHF
DPO
LLM Evaluation
Post-training
SFT
Function Calling
Apply
2 months ago

Research Engineer - AI
≈ $33k – $65k per year (Estimated) • Senior • 5+ years exp • In office (Bengaluru, India) • Senior
Python
AI/ML
Fine-tuning
Knowledge Distillation
RLHF
DPO
Function Calling
Post-training
SFT
lm-eval-harness
LLM Evaluation
Apply
Report
UN Women is the global champion for gender equality, working to develop and uphold standards and create an environment in which every woman and girl can exercise her human rights and live up to her full potential.
unwomen.org • Chișinău • Sarajevo • Damascus • Dhaka • Kyiv • Government
Chișinău • Sarajevo • Damascus • Dhaka • Kyiv • Government
Junior • 2+ years exp • In office • Master's Degree • Junior • Pashto
Post-training
Apply
Report

Blueorigin
blueorigin.com
Blue Origin is an American aerospace manufacturer, defense contractor, and spaceflight services company founded in 2000 by Jeff Bezos. Headquartered in Kent, Washington, the company designs and operates reusable rockets, heavy-lift engines, and deep-space logistics infrastructure to enable sustainable space exploration and commercial operations.
blueorigin.com • Los Angeles • Washington • Seattle • Huntsville • Arlington • Space Services • Space & Aerospace • Launch Services • 1001-5000 employees
Los Angeles • Washington • Seattle • Huntsville • Arlington • Space Services • Space & Aerospace • Launch Services • 1001-5000 employees
Verified live · 25 min ago 6 days ago

AI Engineer II - Blue Ring
$135k – $189k per year • Equity • Middle • 3+ years exp • In office (Reston, Seattle, United States) • Bachelor's Degree • Full-Time • Middle
Python
Databases
PostgreSQL
Apache Kafka
Databricks
FAISS
pgvector
Pinecone
AI/ML
Anomaly Detection
LLM
PyTorch
RAG
TensorFlow
Human-in-the-Loop
Post-training
Time Series Forecasting
AWS Bedrock
Reinforcement Learning
Transformers
Amazon SageMaker
AI Agents
DevOps
AWS
CI/CD
Docker
Vector
Kubernetes
Terraform
Amazon Kinesis
Apply
Top 25% payVerified live · 25 min ago 25 days ago

AI Engineer III - Blue Ring
$165k – $231k per year • Equity • Middle • 5+ years exp • In office (Seattle, Reston, United States) • Bachelor's Degree • Full-Time • Middle
Python
Databases
Apache Kafka
Databricks
AI/ML
Anomaly Detection
LLM
PyTorch
RAG
TensorFlow
Transformers
Human-in-the-Loop
Post-training
AI Agents
Time Series Forecasting
AWS Bedrock
Quantization
Reinforcement Learning
Amazon SageMaker
DevOps
AWS
CI/CD
Docker
Kubernetes
Vector
Amazon Kinesis
Apply
Report

Descript
descript.com
Features Features Video editing Editing video in Descript is as easy as using docs and slides. Podcasting Multitrack audio editing, just like editing text.
descript.com • San Francisco • Sales Enablement • Media & Entertainment • Artificial Intelligence • Est. 2017
San Francisco • Sales Enablement • Media & Entertainment • Artificial Intelligence • Est. 2017
Verified live · 9 hours ago 7 days ago

Applied Research Scientist, AI Research
$197k per year • Remote/Hybrid (San Francisco, United States) • Master's Degree
Computer Vision
Fine-tuning
Multimodal AI
PyTorch
Synthetic Data
OpenAI
Post-training
AI Agents
Apply
Report

Airbnb
airbnb.com
Airbnb is an American technology company that operates a global online marketplace for short-term and long-term homestays, vacation rentals, and local experiences. Founded in 2008 and headquartered in San Francisco, the platform connects property hosts with travelers across more than 220 countries and regions. Operating on an asset-light, peer-to-peer business model, the company facilitates search, secure payment processing, identity verification, and customer support for millions of guest arrivals worldwide.
airbnb.com • HQ: San Francisco, United States • Commerce • Travel & Tourism • Online Rental Platforms • Vacation Rentals • 1001-5000 employees • Est. 2008
HQ: San Francisco, United States • Commerce • Travel & Tourism • Online Rental Platforms • Vacation Rentals • 1001-5000 employees • Est. 2008
Open 117 daysVerified live · 2 hours ago 4 months ago

Senior Staff Machine Learning Engineer, 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
Apply
≈ $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
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Reflection AI
reflection.ai
Reflection AI is a company founded in 2024 by former Google DeepMind researchers who worked on AlphaGo and large language models. It builds autonomous coding agents and has committed to releasing frontier open-weight models as an American counterweight to Chinese open model releases. The company raised a very large round in 2025 to fund training at frontier scale.
reflection.ai • HQ: New York, United States • 501-1000 employees • Est. 2024
HQ: New York, United States • 501-1000 employees • Est. 2024
Verified live · 3 hours ago 6 days ago

Member of Technical Staff, Data Flywheel
≈ $179k – $363k per year (Estimated) • Equity • Staff+ • In office (New York, San Francisco, United States, London, United Kingdom) • Visa sponsorship • Bachelor's Degree • Full-Time • Staff
LLM
Reinforcement Learning
Synthetic Data
Post-training
Pre-training
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Verified live · 3 hours ago 21 day ago

Member of Technical Staff - Post-Training
≈ $202k – $349k per year (Estimated) • Equity • Staff+ • In office (San Francisco, New York, United States, London, United Kingdom) • Visa sponsorship • Full-Time • Staff
LLM
Reinforcement Learning
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Open 131 dayVerified live · 3 hours ago 5 months ago

Forward Deployed Engineer - LLM Post-training
≈ $117k – $248k per year (Estimated) • Equity • Middle • 3+ years exp • In office (San Francisco, New York, United States) • Visa sponsorship • Full-Time • Middle
Python
AI/ML
Fine-tuning
RLHF
DPO
LLM Evaluation
Post-training
SFT
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Ironclad
ironcladapp.com
Ironclad is a contract lifecycle management software company headquartered in San Francisco, California, and founded in 2014. The company offers a digital contracting platform that automates the creation, negotiation, approval, signature, and storage of business agreements, with AI features for extracting and reviewing contract terms. It serves legal, sales, and procurement teams at enterprises and technology companies, and is backed by venture investors including Accel, Sequoia Capital, and Y Combinator.
ironcladapp.com • HQ: San Francisco, United States • LLM & Generative AI • Business Process Automation (BPA) • Professional Services • Artificial Intelligence • Document Management • Legal Services • Software • Est. 2014
HQ: San Francisco, United States • LLM & Generative AI • Business Process Automation (BPA) • Professional Services • Artificial Intelligence • Document Management • Legal Services • Software • Est. 2014
Top 25% payVerified live · 1 day ago 6 days ago

Staff/Senior Staff Software Engineer, Agentic Search
$188k – $270k per year • Equity • Staff+ • 10+ years exp • Remote/Hybrid (San Francisco, United States) • Full-Time • Staff
ElasticSearch
OpenSearch
Vespa
AI/ML
AI Agents
LLM
NLP
Reranking
Anthropic
OpenAI
Recommender Systems
RAG
Post-training
SFT
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Post-training Jobs - Remote & On-site
Frequently asked questions
How many Post-training jobs are available on Alion?
There are currently 532 active listings from 208 hiring companies on Alion, refreshed daily.
What salary do Post-training jobs pay?
The average salary is around $330,524 per year based on the current listings.
Are remote options available for Post-training 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 Post-training jobs?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.