Machine Learning Engineer Jobs in London

Machine Learning Engineer jobs in London hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $250,217/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

London
AI/ML
Data Science
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Frontend
Mobile
DevOps
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Executive
Networking
Product
Design
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Quantum

Pipedrive

pipedrive.com
Pipedrive is the easy and effective CRM for small and medium-sized companies. We empower SMBs to unlock their business potential and scale with our easy-to-use, affordable and effective CRM. With Pipedrive, you can track your sales pipeline, manag...
pipedrive.com • Lisbon • Dublin • London • Tallinn • Berlin • Customer Relationship Management (CRM) • Software • Sales & Marketing • 501-1000 employees • Est. 2010
Lisbon • Dublin • London • Tallinn • Berlin • Customer Relationship Management (CRM) • Software • Sales & Marketing • 501-1000 employees • Est. 2010
Open 136 daysVerified live · 11 hours ago 5 months ago

Principal AI/ML Scientist & Engineer

$108k – $228k per year (Estimated) • Lead • 8+ years expRemote/Hybrid (London, United Kingdom) • Relocation • Visa sponsorship • Full-Time • Principal
Apache Kafka
AI/ML
LangChain
Feature Store
LLMOps
AI Agents
LangGraph
RAG
DevOps
AWS
GCP
Vector
Marketing
Pipedrive
Apply
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H Company

hcompany.ai
H Company is an artificial intelligence research company headquartered in Paris, France, and founded in 2023 by Charles Kantor with a founding team drawn largely from Google DeepMind. The company develops agentic AI systems, including Runner H, an agent that carries out multi-step tasks in a browser on the user's behalf. It raised one of the largest seed rounds in European history and positions itself as a French alternative in the agent tooling market.
hcompany.ai • HQ: Paris, France • Business Process Automation (BPA) • Software • Multimodal AI • LLM & Generative AI • AI Agents • Artificial Intelligence • 201-500 employees • Est. 2023
HQ: Paris, France • Business Process Automation (BPA) • Software • Multimodal AI • LLM & Generative AI • AI Agents • Artificial Intelligence • 201-500 employees • Est. 2023
Open 138 daysVerified live · 1 day ago 5 months ago

Research Engineer / Scientist, Post-training & Reinforcement Learning - London

$104k – $219k per year (Estimated)Remote/Hybrid (London, United Kingdom) • Master's Degree • Full-Time
Python
Rust
AI/ML
AI Agents
Fine-tuning
JAX
Knowledge Distillation
Multimodal AI
NLP
PyTorch
Reinforcement Learning
RLHF
Synthetic Data
TensorFlow
DPO
Post-training
SFT
Function Calling
Mixture of Experts
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Open 142 daysVerified live · 1 day ago 5 months ago

Research Engineer, Model Inference & Serving - London

$104k – $219k per year (Estimated)Remote/Hybrid (London, United Kingdom) • Full-Time
C++
Python
Rust
C++
PyTorch C++
AI/ML
AI Agents
JAX
Multimodal AI
PyTorch
SGLang
vLLM
Edge AI
CUDA Toolkit
llama.cpp
LLM
MLX ML
ONNX
Quantization
TensorRT
TensorRT-LLM
CUDA
Triton
DevOps
Kubernetes
Apply
Open 208 daysVerified live · 1 day ago 7 months ago

Research Scientist Intern (PhD) - Model Team - London

Intern • Remote/Hybrid (London, United Kingdom) • PhD • Internship • Intern
Reinforcement Learning
Synthetic Data
Post-training
AI Agents
Function Calling
Apply
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Speechmatics

speechmatics.com
Speechmatics is a British company founded in 2006 that builds speech recognition designed to work across accents and dialects. It trains largely with self-supervised learning on unlabelled audio, which improved accuracy for speakers that mainstream systems transcribe poorly. Its engine is licensed by broadcasters, contact centres and software vendors and runs in the cloud or on-premise.
speechmatics.com • HQ: Cambridge, United Kingdom • Conversational AI • Speech & Audio AI • Artificial Intelligence • Est. 2006
HQ: Cambridge, United Kingdom • Conversational AI • Speech & Audio AI • Artificial Intelligence • Est. 2006
Open 460 daysVerified live · 2 days ago 1 year ago

Principal Machine Learning Engineer

$109k – $226k per year (Estimated) • Lead • Cambridge • Remote (United Kingdom) • Internship • Principal
Python
AI/ML
Flash Attention
PyTorch
Self-Supervised Learning
Speech Recognition
TensorFlow
Text-to-Speech
DevOps
CI/CD
Docker
Kubernetes
Cybersecurity
GDPR
Apply
Open 460 daysVerified live · 2 days ago 1 year ago

Principal Machine Learning Engineer

$109k – $226k per year (Estimated) • Lead • London • Remote (United Kingdom) • Internship • Principal
Python
AI/ML
Flash Attention
PyTorch
Self-Supervised Learning
Speech Recognition
TensorFlow
Text-to-Speech
DevOps
CI/CD
Docker
Kubernetes
Cybersecurity
GDPR
Apply
Report

Valsoft Corporation

valsoftcorp.com
Valsoft Corporation is a Canadian software holding company specializing in the acquisition, development, and management of vertical market software (VMS) businesses. Headquartered in Montreal, Quebec, the company operates under a decentralized, "hold-forever" philosophy, partnering with niche software firms to drive long-term growth and stability.
valsoftcorp.com • HQ: Montreal, Canada • Information Technology • Software • 1001-5000 employees
HQ: Montreal, Canada • Information Technology • Software • 1001-5000 employees
Verified live · 1 day ago 6 months ago

AI Automation Engineer

$103k – $215k per year (Estimated) • Remote (United Kingdom) • Full-Time
AI Agents
Management
n8n
Zapier
Apply
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Causaly

causaly.com
Causaly is the fastest way to find evidence, explore hidden connections and make new predictions in biomedical science. The company provides AI-powered software for reading medical information.
causaly.com • New York • London • Athens • AI Agents • Biotechnology • Artificial Intelligence
New York • London • Athens • AI Agents • Biotechnology • Artificial Intelligence
Open 179 days 6 months ago

Senior AI Engineer

$92k – $190k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (London, United Kingdom) • Master's Degree • Full-Time • Senior
Python
AI/ML
Embeddings
Fine-tuning
LangChain
LLM
NLP
Prompt Engineering
PyTorch
TensorFlow
Knowledge Graph
LLM Guardrails
LLMOps
AI Agents
DevOps
CI/CD
Management
Slack
Apply
Report

Circadia Health

circadiahealth.com
Circadia Health is a medical device and digital health company specializing in contactless remote patient monitoring solutions. Powered by artificial intelligence and FDA-cleared sensor technology, its platform continuously tracks vital signs and movement patterns without requiring wearable devices or bodily contact. By combining real-time data collection with predictive analytics, the company helps post-acute care providers detect clinical deterioration early and reduce preventable rehospitalizations
circadiahealth.com • El Segundo • Los Angeles • Chicago • London • New York • Artificial Intelligence • Elderly Care • Health Care
El Segundo • Los Angeles • Chicago • London • New York • Artificial Intelligence • Elderly Care • Health Care
Open 188 daysVerified live · 10 hours ago 7 months ago

ML Ops Engineer

$66k – $185k per year (Estimated) • Middle • 4+ years expIn office (London, United Kingdom) • PhD • Full-Time • Middle
Python
SQL
Python
Dask
Databases
Snowflake
AI/ML
Airflow
MLFlow
DVC
Spark
Triton
TorchServe
DevOps
Amazon EC2
AWS
CI/CD
Docker
Git
Amazon CloudWatch
Amazon S3
IAM
GitHub Actions
Jenkins
GitHub
Cybersecurity
HIPAA
SOC 2
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Open 188 daysVerified live · 10 hours ago 7 months ago

ML Research Engineer

$73k – $203k per year (Estimated) • Middle • 3+ years expIn office (London, United Kingdom) • Master's Degree • Full-Time • Middle
Python
Python
FastAPI
Flask
AI/ML
JAX
Knowledge Distillation
PyTorch
TensorFlow
Edge AI
DevOps
AWS
Azure
Docker
GCP
Apply
Report

Decagon

decagonhq.com
Decagon is an enterprise AI company that builds autonomous customer service agents. Founded by Jesse Zhang and Ashwin Sreenivas and headquartered in San Francisco, California, the platform leverages large language models (LLMs) and advanced AI orchestration to automate complex customer support workflows end-to-end.
decagonhq.com • Douglas • San Francisco • Toronto • New York • London • Software • Professional Services • Human Resources
Douglas • San Francisco • Toronto • New York • London • Software • Professional Services • Human Resources
Top 25% payVerified live · 7 hours ago 7 months ago

Senior Research Engineer

$271k – $406k per year • Senior • 5+ years expIn office (London, United Kingdom) • Full-Time • Senior
Python
AI/ML
AI Agents
Post-training
Apply
Report

Solve Intelligence

solveintelligence.com
Solve Intelligence builds an artificial intelligence copilot for patent attorneys that drafts and prosecutes applications. Founded in 2023 by researchers from Cambridge and Oxford, it targets the highly structured writing that patent work requires. Its tool operates inside a document editor with jurisdiction-specific rules.
solveintelligence.com • HQ: San Francisco, United States • Legal Services • Financial Services • Artificial Intelligence • Est. 2023
HQ: San Francisco, United States • Legal Services • Financial Services • Artificial Intelligence • Est. 2023
Open 237 daysTop 25% pay 8 months ago

AI Engineer

$100k – $250k per year • In office (London, United Kingdom) • Visa sponsorship • Master's Degree • Full-Time
Python
TypeScript
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
Prompt Engineering
Context Engineering
LLM
Perplexity
Hugging Face
Frontend
React.js
Gatsby
DevOps
GitHub
Design
Canva
Apply
Report

Side

side.com
Side's real estate brokerage platform empowers top-producing agents to own their own companies without the burden of operating a brokerage.
side.com • HQ: San Francisco, United States • PropTech • Real Estate • Real Estate Brokerage • 1001-5000 employees
HQ: San Francisco, United States • PropTech • Real Estate • Real Estate Brokerage • 1001-5000 employees
Open 271 dayVerified live · 1 day ago 9 months ago

Microservices AI Developer

Junior • 2+ years expSão Paulo • Remote (India, United Kingdom, Brazil, Canada, Malaysia) • Contractor • Junior
Python
SQL
Python
Django
FastAPI
Flask
AI/ML
Gemini
Llama
LLM
OpenAI
Anthropic
DevOps
Rest API
Apply
Report

Wintermute

wintermute.com
Wintermute is one of the largest algorithmic trading companies in digital assets. We provide liquidity algorithmically across all major cryptocurrency exchanges and trading platforms, a broad range of OTC trading solutions as well as support high profile blockchain projects and traditional financial institutions moving into crypto. Wintermute is not just a trading company, it is one the most prominent and influential players in the digital asset markets: we are connected and partnering with all major players in the industry, we actively participate in the development of the blockchain ecosystem through investments, partnerships, and incubation of projects.
wintermute.com • HQ: London, United Kingdom • DeFi • Cryptocurrencies • Blockchain & Crypto
HQ: London, United Kingdom • DeFi • Cryptocurrencies • Blockchain & Crypto
Open 285 daysVerified live · 1 day ago 10 months ago

Machine Learning Researcher

$100k – $210k per year (Estimated)In office (London, United Kingdom) • Relocation • Bachelor's Degree • Full-Time
Python
C++
AI/ML
Time Series Forecasting
CUDA
CUDA Toolkit
Web3
DeFi
Apply
Report

Eclipse

eclipse.ai
Get updates from eclipse.ai. Signup for our mailing list.
Open 296 daysVerified live · 8 hours ago 10 months ago

Data Scientist (AI Data & LLM Specialist)

Remote
Python
AI/ML
AI Agents
Embeddings
Fine-tuning
LLM
NER
NumPy
Pandas
Scikit-learn
spaCy
Tokenization
Hugging Face
Reinforcement Learning
RLHF
Web3
dYdX
Ethereum
Layer 2
Solana
Uniswap
ZkSync Era
Management
Slack
Apply
Report

Cognition

cognition.com
Cognition is an applied artificial intelligence lab founded in 2023 that created Devin, an autonomous software engineering agent able to plan, write and debug code across a full repository. The company drew attention for demonstrating long-horizon coding work rather than single-file completion, and it sells Devin to engineering organisations. In 2025 it acquired the Windsurf coding assistant team and product, broadening its developer tooling.
cognition.com • HQ: San Francisco, United States • Home Healthcare • Artificial Intelligence
HQ: San Francisco, United States • Home Healthcare • Artificial Intelligence
Open 311 daysTop 25% pay 11 months ago

Applied AI Engineer

$180k – $225k per year • Middle • 3+ years expIn office (San Francisco, New York, United States, London, United Kingdom) • Full-Time • Middle
JavaScript
Python
TypeScript
AI/ML
Cursor
LLM
Devin
Scale AI
AI Agents
Model Context Protocol
Apply
Report

Pear VC

pear.vc
Pear VC is a venture capital firm specializing in pre-seed and seed-stage investments in startups. Founded by Pejman Nozad and Mar Hershenson, the firm provides hands-on support in areas such as product development, recruiting, fundraising, and go-to-market strategy. Pear has backed companies including DoorDash, Gusto, Aurora Solar, Vanta, and Guardant Health.
pear.vc • HQ: San Francisco, United States • Financial Services • Venture Capital
HQ: San Francisco, United States • Financial Services • Venture Capital
Open 319 daysVerified live · 5 hours ago 11 months ago

AI Engineer - Wexler

$95k – $135k per year • In office (London, United Kingdom) • Full-Time
Python
AI/ML
DeepSeek
Embeddings
LLM
NLP
Prompt Engineering
RAG
Structured Outputs
AI Agents
Apply
Report

Unitary

unitary.com
Unitary's mission is to automate monetary peace of mind for the world. We believe the world deserves financial infrastructure that operates at higher levels of automated safety, conveys information rapidly and transparently, and gives people the ch...
unitary.com • London • Business Process Automation (BPA) • Financial Services • FinTech • 11-50 employees
London • Business Process Automation (BPA) • Financial Services • FinTech • 11-50 employees
Open 346 daysVerified live · 1 day ago 12 months ago

Machine Learning Engineer - Customer Solutions

$100k – $209k per year (Estimated) • Equity • Remote (United Kingdom) • Full-Time
Python
SQL
AI/ML
AI Agents
Computer Vision
DevOps
ArgoCD
CI/CD
GitLab CI
Kubernetes
Terraform
GitLab
Apply
Report

Recraft

recraft.ai
Recraft is a company founded in 2022 that builds a generative image model and design tool aimed at professional designers. Its models produce vector art, icons and consistent brand styles, and the editor allows precise control over layout and text rather than one-shot prompting. It topped independent image model rankings and is used by design and marketing teams.
recraft.ai • HQ: London, United Kingdom • LLM & Generative AI • Artificial Intelligence • Generative Image • Est. 2022
HQ: London, United Kingdom • LLM & Generative AI • Artificial Intelligence • Generative Image • Est. 2022
Open 362 daysVerified live · 9 hours ago 12 months ago

Senior / Staff ML Engineer

$120k – $263k per year (Estimated) • Staff+ • In office (London, United Kingdom) • Visa sponsorship • Full-Time • Staff
PyTorch
Edge AI
DevOps
Vector
Apply
Report

John Snow Labs

johnsnowlabs.com
John Snow Labs is an award-winning healthcare AI company for rapid adoption of AI in healthcare and life sciences organizations, providing high-compliance AI platform, state-of-the-art NLP libraries, and data market.
johnsnowlabs.com • Biotechnology • Medical AI • Artificial Intelligence • Est. 2015
Biotechnology • Medical AI • Artificial Intelligence • Est. 2015
Open 373 daysVerified live · 1 day ago 1 year ago

Machine Learning Engineer - Large Language Models

$60k – $120k per year • Senior • 5+ years exp • Remote • Master's Degree • Contractor • Senior • English
Axolotl
Fine-tuning
llama.cpp
LLM
NLP
PEFT
Prompt Engineering
PyTorch
Quantization
RAG
Transformers
vLLM
DPO
PPO
SFT
TGI
Apply
Report

MoneySavingExpert.com

moneysavingexpert.com
Martin Lewis' free site helps you save on car insurance, credit cards, mortgages & more. Find expert money tips, top deals, comparisons & tools to cut costs.
moneysavingexpert.com • London • Manchester • Manchester • Mental Health • Media & Entertainment • Financial Services • Est. 2003
London • Manchester • Manchester • Mental Health • Media & Entertainment • Financial Services • Est. 2003
Open 403 daysVerified live · 9 hours ago 1 year ago

Senior AI Integration Engineer

$90k – $185k per year (Estimated) • Senior • In office (London, Manchester, United Kingdom) • Master's Degree • Full-Time • Senior
Node JS
TypeScript
JavaScript
AI/ML
AI Agents
AutoGen
Copilot
LangChain
Prompt Engineering
Frontend
Next.js
React.js
DevOps
AWS
AWS Lambda
CI/CD
Vercel
Amazon ECS
Amazon S3
API Gateway
GitHub
Apply
Report

Granola

granola.ai
Granola is aLondon based startup. We are hiring to build the context-aware workspace of the future.
granola.ai • London • San Francisco
London • San Francisco
Open 618 days 2 years ago

AI Engineer

$135k – $176k per year • In office (London, United Kingdom) • Relocation • Full-Time
Node JS
TypeScript
JavaScript
AI/ML
Embeddings
Hybrid Search
LLM
RAG
Anthropic
Knowledge Graph
OpenAI
Frontend
React.js
Apply
Report

Palantir Technologies

palantir.com
Palantir Technologies is an American software company founded in 2003 that builds platforms for integrating, analysing and acting on large and fragmented datasets. Its Gotham platform serves defence, intelligence and law enforcement customers, Foundry brings the same data-operating model to commercial industries such as manufacturing, healthcare and energy, and the Artificial Intelligence Platform layers large language models over both. Headquartered in Denver, Colorado and listed on the New York Stock Exchange since 2020, the company is known for deploying forward engineers directly inside customer organisations.
palantir.com • HQ: Denver, United States • Information Technology • Software • Defense AI • Artificial Intelligence • National Security • Analytics Platforms • Data & Analytics • 1001-5000 employees • Est. 2003
HQ: Denver, United States • Information Technology • Software • Defense AI • Artificial Intelligence • National Security • Analytics Platforms • Data & Analytics • 1001-5000 employees • Est. 2003
Open 843 days 2 years ago

Forward Deployed AI Engineer

$100k – $209k per year (Estimated)Remote/Hybrid (London, United Kingdom) • Full-Time
C++
JavaScript
Python
TypeScript
AI/ML
LLM
Apply
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Machine Learning Engineer Jobs in London
Frequently asked questions
How many Machine Learning Engineer jobs in London are available on Alion?
There are currently 372 active listings from 151 hiring companies on Alion, refreshed daily.
What salary do Machine Learning Engineer jobs in London pay?
The average salary is around $250,217 per year based on the current listings.
Are remote options available for Machine Learning Engineer jobs in London?
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 Machine Learning Engineer jobs in London?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.