Post-training Jobs - Remote & On-site

Post-training jobs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $325,849/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
Product
Design
Fintech
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science

Kakao

kakaocorp.com
kakaocorp.com • HQ: Jeju, South Korea • Ride Hailing • Digital Banks & Neobanks • Payment Processing & Gateways • Consumer Internet Groups • Messaging Apps • 1001-5000 employees • Est. 1995 • Trust B • Hiring 24, 1 new
HQ: Jeju, South Korea • Ride Hailing • Digital Banks & Neobanks • Payment Processing & Gateways • Consumer Internet Groups • Messaging Apps • 1001-5000 employees • Est. 1995 • Trust B • Hiring 24, 1 new
Kakao is a South Korean internet company whose listed entity traces back to Daum Communications, founded in 1995, and which took its present form when Daum merged with the messaging startup Kakao in 2014. KakaoTalk, launched in 2010, is used by almost the entire South Korean population and functions as the country's default communication layer, carrying payments, shopping, gifting and content on top of messaging. Around it the group has built Kakao Pay, Kakao Bank, the Kakao T mobility app, Kakao Entertainment for webtoons and music, and the Kanana family of AI assistants.
Shin-a Chung · Chief Executive Officer · decision-maker
Beom-su Kim · Founder · founder
Careers mailbox is known
Verified live · 1 hour ago 24 days ago Hiring now · 89%

LLM Research Engineer (Pre-training) (신입/경력)

In office (Seongnam, South Korea) • Full-Time • Junior
DeepSpeed
Quantization
Knowledge Distillation
Mixture of Experts
CUDA
Triton
Post-training
Megatron-LM
FSDP
TPU
Model Distillation
LLM
+4
Apply
Verified live · 1 hour ago 24 days ago Hiring now · 89%

LLM Research Engineer (Post-training) (신입/경력)

In office (Seongnam, South Korea) • Full-Time • Junior
DeepSpeed
Fine-tuning
Knowledge Distillation
Ray
Mixture of Experts
SFT
Post-training
TPU
Model Distillation
LLM
+2
Apply

Chegg

chegg.com
chegg.com • Delhi • Est. 2005 • Hiring 3
Delhi • Est. 2005 • Hiring 3
Chegg is an online textbook rental company where students can rent, buy and sell text books from its platform. Headquartered in the US with offices in India and several other countries, Chegg became a public company by listing in 2013.
No named decision-maker yet.
No careers mailbox known
24 days ago Likely open · 47%

Senior Software Engineer

≈ $18k – $41k per year (Estimated) • Senior • 5+ years exp • In office (Delhi, India) • Senior
Python
Databases
Delta Lake
Databricks
AI/ML
MLFlow
Fine-tuning
RLHF
Function Calling
AWS Bedrock
Hallucination
Amazon SageMaker
DPO
SFT
Human-in-the-Loop
RLAIF
Reward Modeling
TensorFlow
PyTorch
LLM
AI Agents
Post-training
Machine Learning
DevOps
AWS
+14
Apply

Maincode

maincode.com
maincode.com • HQ: Melbourne, Australia • AI Compute & Inference • Foundation Models • 51-200 employees • Startup • Trust A • Hiring 13
HQ: Melbourne, Australia • AI Compute & Inference • Foundation Models • 51-200 employees • Startup • Trust A • Hiring 13
Maincode makes Matilda, an Australian-made AI stack owned end to end, from infrastructure to models. It owns and operates its own infrastructure in Australia, trains its own frontier models and runs chat, coding and API surfaces on top of them. The company is headquartered in Melbourne, Australia.
No named decision-maker yet.
Careers mailbox is known
Verified live · 1 hour ago 25 days ago Hiring now · 86%

Data Engineer

≈ $74k – $150k per year (Estimated) • Hybrid (Australia) • Full-Time
Rust
C++
JavaScript
Python
AI/ML
Fine-tuning
Reinforcement Learning
Ray
Synthetic Data
SFT
Post-training
Pre-training
Spark
AI Agents
Robotics
Reinforcement Learning
+6
Apply

BespokeLabs

bespokelabs.ai
bespokelabs.ai • HQ: Mountain View, United States • Artificial Intelligence • AI Agents • 51-200 employees • Startup • Hiring 4
HQ: Mountain View, United States • Artificial Intelligence • AI Agents • 51-200 employees • Startup • Hiring 4
Bespoke Labs optimizes AI agents using cutting-edge research on data curation and evolutionary algorithms. Trusted by Fortune 500 enterprises and frontier labs.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 1 hour ago Visa sponsorship 25 days ago Hiring now · 86%

MTS, Post-Training (Enterprise)

$300k – $350k per year • In office (Mountain View, United States) • Relocation • Full-Time
Qwen
DeepSeek
Fine-tuning
Reinforcement Learning
Llama
Mistral
Post-training
Reward Modeling
LLM
+1
Apply
Top 25% payVerified live · 1 hour ago Visa sponsorship 2 months ago Hiring now · 86%

RL Environments Engineer

$250k – $300k per year • In office (Mountain View, United States) • Relocation • Full-Time
Reinforcement Learning
Post-training
AI Agents
DevOps
CI/CD
Apply

Medal

medal.tv
medal.tv • HQ: San Francisco, United States • Video & Photo Sharing • Game Development • 51-200 employees • Est. 2015 • Trust C • Hiring 14
HQ: San Francisco, United States • Video & Photo Sharing • Game Development • 51-200 employees • Est. 2015 • Trust C • Hiring 14
Medal is the best way to record, edit, and share gaming clips and videos for free on PC. Download Medal today.
Andrew McMurry · Executive Officer, Director · decision-maker
Lonnie Kurlander · Executive Officer, Director · decision-maker
Deleys Brandman · Executive Officer · decision-maker
Daniel Kaminsky · Director
No careers mailbox known
Top 25% payVerified live · 3 hours ago 25 days ago Likely open · 49%

Applied Robotics Engineer

$180k – $300k per year • Senior • 5+ years exp • In office (New York, United States) • Full-Time • Senior
C++
Python
AI/ML
Quantization
Knowledge Distillation
ONNX
TensorRT
Post-training
World Models
Model Distillation
PyTorch
Game Dev
Unity
Robotics
Sensor Fusion
Imitation Learning
+5
Apply

Fuse Energy

fuseenergy.com
fuseenergy.com • HQ: London, United Kingdom • Wind Energy • Solar Energy • 501-1000 employees • Est. 2022 • Startup • Trust A • Hiring 67, 8 new
HQ: London, United Kingdom • Wind Energy • Solar Energy • 501-1000 employees • Est. 2022 • Startup • Trust A • Hiring 67, 8 new
Fuse Energy is a British household energy supplier headquartered in London, founded by former Revolut executives. It was the first new domestic energy supplier in Great Britain since the 2021 energy crisis and operates its own renewable generation assets.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago 25 days ago Likely open · 64%

Lead Applied AI Researcher

≈ $116k – $214k per year (Estimated) • Lead • In office (London, United Kingdom) • Full-Time • Staff
Python
AI/ML
Fine-tuning
Reinforcement Learning
Function Calling
SFT
Post-training
LLM
Apply

VESSL AI

vessl.ai
vessl.ai • HQ: San Francisco, United States • Artificial Intelligence • MLOps • AI Compute & Inference • 51-200 employees • Est. 2020 • Startup • Hiring 19
HQ: San Francisco, United States • Artificial Intelligence • MLOps • AI Compute & Inference • 51-200 employees • Est. 2020 • Startup • Hiring 19
VESSL AI is an artificial intelligence infrastructure and MLOps platform specializing in cloud compute orchestration and GPU cluster management. Headquartered in San Francisco, California, United States, the company unifies fragmented GPU resources across multi-cloud environments to streamline model training, fine-tuning, and deployment. Through automated workflow management and scalable cluster access, the enterprise empowers AI research labs, startups, and commercial clients to reduce infrastructure friction and accelerate machine learning development.
Jaeman An · Executive Officer, Director · decision-maker
Dami Yi · Executive Officer, Director · decision-maker
Walter Apodaca · Executive Officer, Director · decision-maker
Daniel Murphy · Executive Officer · decision-maker
No careers mailbox known
Verified live · 2 hours ago 25 days ago Hiring now · 70%

AI Research Engineer (Senior)

≈ $84k – $216k per year (Estimated) • Senior • 4+ years exp • Hybrid (Seoul, South Korea) • Full-Time • Senior
vLLM
Fine-tuning
Reinforcement Learning
Quantization
SGLang
CUDA
Triton
PPO
GRPO
Post-training
Speculative Decoding
LLM
AI Agents
DevOps
SLURM
Git
Kubernetes
Robotics
Reinforcement Learning
+9
Apply

Varick Agents

varickagents.com
varickagents.com • Business Process Outsourcing (BPO) • AI Agents • Likely startup • Hiring 4
Business Process Outsourcing (BPO) • AI Agents • Likely startup • Hiring 4
Varick Agents brings AI to your business enabling faster, smarter moves with real time data and market intelligence. Automate your business today.
No named decision-maker yet.
No careers mailbox known
Top 25% payVerified live · 2 hours ago 26 days ago Fading · 36%

Product Engineer

$175k – $225k per year • In office • Full-Time
JavaScript
AI/ML
Reinforcement Learning
Post-training
OpenAI Agents SDK
Frontend
React.js
Apply
Top 25% payVerified live · 2 hours ago 26 days ago Fading · 36%

Infrastructure Engineer

$175k – $225k per year • In office • Full-Time
PostgreSQL
AI/ML
Reinforcement Learning
Post-training
DevOps
CI/CD
Apply

Bolt

bolt.eu
bolt.eu • HQ: Tallinn, Estonia • Delivery • Shared Mobility • Ride Hailing • 1001-5000 employees • Est. 2013 • Hiring 23, 1 new
HQ: Tallinn, Estonia • Delivery • Shared Mobility • Ride Hailing • 1001-5000 employees • Est. 2013 • Hiring 23, 1 new
Bolt is an Estonian mobility super-app that offers a wide range of urban transportation and delivery services across Europe, Africa, Western Asia, and Latin America. Founded in 2013 as Taxify, the platform provides ride-hailing, micromobility rentals such as electric scooters and e-bikes, car-sharing, and food and grocery delivery. Today, the company serves over 150 million customers across more than 45 countries, focusing on providing affordable, fast, and sustainable urban travel solutions.
Markus Villig · CEO & Founder · founder
Careers mailbox is known
26 days ago Fading · 41%

Applied AI Engineer, Operations Automation

In office (Tallinn, Estonia) • Full-Time
SQL
AI/ML
Fine-tuning
LLM
Machine Learning
DSPy
LoRA
PEFT
DPO
GRPO
Post-training
Reward Modeling
Analytics
A/B Testing
+4
Apply

Blue Machines AI

bluemachines.ai
bluemachines.ai • HQ: Bengaluru, India • AI Agents • Conversational AI • Speech & Audio AI • 51-200 employees • Est. 2025 • Startup • Trust A • Hiring 20, 5 new
HQ: Bengaluru, India • AI Agents • Conversational AI • Speech & Audio AI • 51-200 employees • Est. 2025 • Startup • Trust A • Hiring 20, 5 new
Blue Machines AI builds multilingual AI voice agents for enterprises. Its platform enables businesses to automate customer calls and workflows at scale across industries like finance, healthcare, and recruitment.
No named decision-maker yet.
Careers mailbox is known
Verified live · 1 hour ago 26 days ago Likely open · 63%

Senior ML Research Scientist, Speech

≈ $25k – $52k per year (Estimated) • Senior • Hybrid (Bengaluru, India) • Senior
DeepSpeed
Fine-tuning
Knowledge Distillation
Speech Recognition
Tokenization
Self-Supervised Learning
Synthetic Data
Encoder-Decoder
Pre-training
Megatron-LM
FSDP
Text-to-Speech
Model Distillation
LLM
AI Agents
Post-training
Cybersecurity
SOC 2
ISO 27001
+10
Apply

Vega

vega.io
vega.io • HQ: Tel Aviv, Israel • Log Management & Analytics • Security Operations • 201-500 employees • Est. 2024 • Startup • Hiring 28, 1 new
HQ: Tel Aviv, Israel • Log Management & Analytics • Security Operations • 201-500 employees • Est. 2024 • Startup • Hiring 28, 1 new
Vega is a cybersecurity company that develops a security analytics mesh platform for security operations teams. It lets analysts search, detect threats with AI and respond across logs and data sources where they already reside, without migrating or ingesting the data into a central SIEM. The company is headquartered in Tel Aviv, Israel, with sales teams in New York and London.
No named decision-maker yet.
Careers mailbox is known
Verified live · 1 hour ago 27 days ago Likely open · 61%

AI Researcher

≈ $99k – $255k per year (Estimated) • Senior • 5+ years exp • In office (Tel Aviv, Israel) • Master's Degree • Senior
Python
AI/ML
LoRA
Fine-tuning
Reinforcement Learning
Knowledge Distillation
Synthetic Data
SFT
Post-training
Model Distillation
PyTorch
Machine Learning
AI Agents
PEFT
+5
Apply

Nolla Health

nollahealth.com
nollahealth.com • HQ: New York, United States • Est. 2023 • Startup • Hiring 4
HQ: New York, United States • Est. 2023 • Startup • Hiring 4
From the first symptom to full recovery, Nolla guides you to the care you need now and helps you plan for the future. Every diagnosis and prescription is reviewed and approved by a licensed U.S. medical provider.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 3 hours ago 28 days ago Fading · 36%

Founding Research Engineer

$180k – $240k per year • In office (New York, United States) • Full-Time
Function Calling
Post-training
LLM
AI Agents
RLHF
Multimodal AI
DPO
GRPO
Apply

Hyde

hyde.ai
hyde.ai • New York • Mumbai • AI Compute & Inference • LLM & Generative AI • Startup • Hiring 5
New York • Mumbai • AI Compute & Inference • LLM & Generative AI • Startup • Hiring 5
Hyde is the training and inference stack that allows enterprises to build their own specialist models.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 28 days ago Fading · 36%

AI Builder - FDE (UAE)

≈ $34k – $91k per year (Estimated) • In office (United Arab Emirates) • Full-Time
TypeScript
C++
JavaScript
Python
AI/ML
Fine-tuning
Reinforcement Learning
Post-training
Machine Learning
Apply
Open 253 daysTop 25% pay Visa sponsor 8 months ago Long shot · 3%

AI Builder - FDE, Research, & Product (NYC)

$140k – $300k per year • In office (New York, United States) • Full-Time
TypeScript
C++
JavaScript
Python
AI/ML
Fine-tuning
Reinforcement Learning
Post-training
Machine Learning
Apply
Open 253 daysVerified live · 1 hour ago 8 months ago Long shot · 3%

AI Builder - Research (Mumbai)

In office (Mumbai, India) • Full-Time
TypeScript
C++
JavaScript
Python
AI/ML
Fine-tuning
Reinforcement Learning
Post-training
Machine Learning
Apply

Hudson River Trading

hudsonrivertrading.com
hudsonrivertrading.com • HQ: New York, United States • Hedge Funds & Alternative Investments • Est. 2002 • Hiring 80, 4 new
HQ: New York, United States • Hedge Funds & Alternative Investments • Est. 2002 • Hiring 80, 4 new
Hudson River Trading is a quantitative trading firm built by mathematicians and engineers. It trades a large share of daily volume on global equity and futures venues using automated strategies. The firm develops its own research infrastructure and low-latency systems.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 1 hour ago Visa sponsor 29 days ago Fading · 36%

Applied AI Engineer

$200k – $300k per year • In office (London, United Kingdom, New York, Austin, Boulder, Chicago, United States) • Bachelor's Degree
TypeScript
C++
Python
AI/ML
Fine-tuning
Reinforcement Learning
Post-training
Machine Learning
AI Agents
DevOps
Linux
+1
Apply
Top 25% payVerified live · 1 hour ago Visa sponsor 2 months ago Long shot · 12%

AI Researcher, LLMs

$200k – $300k per year • Junior • 2+ years exp • In office (London, United Kingdom, New York, United States) • Junior
Tokenization
SFT
Post-training
PyTorch
LLM
Apply

Fujitsu

global.fujitsu
global.fujitsu • HQ: Tokyo, Japan • Quantum Science & Computing • High-Performance Computing • IT Consulting & Digital Transformation • Systems Integrators • 5000+ employees • Est. 1935 • Hiring 3
HQ: Tokyo, Japan • Quantum Science & Computing • High-Performance Computing • IT Consulting & Digital Transformation • Systems Integrators • 5000+ employees • Est. 1935 • Hiring 3
Fujitsu is a Japanese information technology company founded in 1935 as a spin-off from Fuji Electric, and it is the largest IT services provider in Japan. It builds and operates systems for government, banking, manufacturing and healthcare customers across Asia, Europe and the Americas, and manufactures servers, storage and network equipment alongside its services business. The company co-developed Fugaku, for several years the fastest supercomputer in the world, invests in quantum computing with RIKEN, and develops the Takane Japanese language model and the Kozuchi platform for applied AI.
Vivek Mahajan · Chief Technology Officer · decision-maker
Takahito Tokita · Chief Executive Officer · decision-maker
No careers mailbox known
Top 25% pay Visa sponsorship 29 days ago Fading · 36%

Agentic AI Senior Researcher

$167k – $251k per year • Equity • Senior • In office (Santa Clara, United States) • Relocation • Bachelor's Degree • Full-Time • Senior
Function Calling
Post-training
World Models
Machine Learning
AI Agents
Apply

Multiplier

multiplier.ai
multiplier.ai • HQ: New York, United States • AI Agents • Asset Management & Funds • 51-200 employees • Est. 2025 • Hiring 1
HQ: New York, United States • AI Agents • Asset Management & Funds • 51-200 employees • Est. 2025 • Hiring 1
AI software for asset managers, combining agent infrastructure, firm-specific workflows, automated research, data organization, and hands-on support.
Ian McInnis · Executive Officer, Director · decision-maker
Benjamin Finch · Executive Officer, Director · decision-maker
David Snider · Executive Officer, Director · decision-maker
William Galvin · Director
No careers mailbox known
Top 25% payVerified live · 2 hours ago Visa sponsor 29 days ago Fading · 39%

Founding Engineer

$150k – $300k per year • Equity 1–4% • Junior • 1+ year exp • In office (New York, United States) • Full-Time • Junior
Post-training
LLM
AI Agents
Claude
DevOps
CI/CD
Apply
Report

Kalpa Labs

kalpalabs.ai
kalpalabs.ai • HQ: San Francisco, United States • Generative Audio & Music • Speech & Audio AI • 11-50 employees • Startup • Hiring 1
HQ: San Francisco, United States • Generative Audio & Music • Speech & Audio AI • 11-50 employees • Startup • Hiring 1
Kalpa Labs is an audio research lab working towards generalist audio models. Our first conversational speech models are in open beta: direct multi-speaker scenes in Studio, talk to a model live, or build on the API.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 3 hours ago 29 days ago Likely open · 54%

Founding ML Research Engineer

$180k – $250k per year • Equity 0.5–1% • Middle • 3+ years exp • In office (San Francisco, United States) • Full-Time • Middle
RLHF
Multimodal AI
Knowledge Distillation
In-Context Learning
Tokenization
SFT
Post-training
Pre-training
LLM Evaluation
Model Distillation
LLM
Machine Learning
arXiv
+5
Apply
Report

Klavis

klavis.ai
klavis.ai • AI Training Data & Annotation • AI Development Tools • AI Agents • 11-50 employees • Startup • Hiring 1
AI Training Data & Annotation • AI Development Tools • AI Agents • 11-50 employees • Startup • Hiring 1
Klavis AI provides live environments for training AI agents. Powering frontier AI labs with real world MCP environments and complex, long-horizon agentic tool-use data.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 3 hours ago Visa sponsor 29 days ago Long shot · 18%

Founding Engineer

$150k – $200k per year • Equity 0.5–1% • Middle • 3+ years exp • San Francisco • Remote (United States) • Full-Time • Middle
TypeScript
Python
AI/ML
Gemini
OpenAI Codex
SFT
Post-training
Cursor
ChatGPT
Model Context Protocol
Claude Code
LLM
Machine Learning
AI Agents
DevOps
Git
Docker
+7
Apply
Report

BioStack Platforms

getbiostack.com
getbiostack.com • HQ: San Francisco, United States • AI Training Data & Annotation • 51-200 employees • Startup • Hiring 2, 1 new
HQ: San Francisco, United States • AI Training Data & Annotation • 51-200 employees • Startup • Hiring 2, 1 new
Differentiated data that 10X-es AI. Get novel pre-clinical and medical datasets, perform causal inference, and generate data points for pre / post training.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 2 hours ago Visa sponsorship 29 days ago Likely open · 48%

Founding Research Engineer, RL/Reasoning

$200k – $350k per year • Equity 0.1–1% • In office (San Francisco, United States) • Relocation • Full-Time
RLHF
Reinforcement Learning
SFT
Post-training
LLM Evaluation
RLAIF
Reward Modeling
OpenAI
AI Agents
+1
Apply

Shopee

shopee.com
shopee.com • HQ: Singapore • Marketplaces • 1001-5000 employees • Est. 2015 • Trust A • Hiring 1558, 86 new
HQ: Singapore • Marketplaces • 1001-5000 employees • Est. 2015 • Trust A • Hiring 1558, 86 new
Shopee is a multinational technology company and e-commerce marketplace platform operating as a subsidiary of Sea Limited. The company provides a hybrid B2C and C2C digital marketplace offering retail products, integrated digital payments and financial services via ShopeePay/SeaMoney, and end-to-end logistics and fulfillment solutions through SPX Express. Headquartered in Singapore, the platform serves millions of consumers and merchant partners across Southeast Asia, Taiwan, and Latin America.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 29 days ago Long shot · 11%

AI Researcher - Content Video Generation(Post training)

≈ $52k – $140k per year (Estimated) • In office (Singapore) • Bachelor's Degree
LoRA
Fine-tuning
RLHF
Quantization
Knowledge Distillation
Diffusion Models
QLoRA
DPO
PPO
GRPO
Post-training
Model Distillation
Reward Modeling
PEFT
+6
Apply
Verified live · 1 hour ago 29 days ago Long shot · 11%

LLM Algorithm Engineer (Post Training)

≈ $52k – $140k per year (Estimated) • In office (Singapore) • Master's Degree
RLHF
Function Calling
Hallucination
Synthetic Data
DPO
SFT
PPO
Post-training
Megatron-LM
Reward Modeling
LLM
+3
Apply
Machines can read this selection · checked 17:12 UTC
Post-training Jobs - Remote & On-site
Frequently asked questions
How many Post-training jobs are available on Alion?
There are currently 757 active listings from 331 hiring companies on Alion, refreshed daily.
What salary do Post-training jobs pay?
The average salary is around $325,849 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.