Tech Jobs in London

London jobs in London hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $195,668/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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

Supercell

supercell.com
Space Ape Games is a London mobile studio founded in 2012 by veterans of Playfish and Electronic Arts. Its titles include Rival Kingdoms, Transformers Earth Wars and Fastlane, built around live operations and community. The studio is owned by Supercell and continues to develop from London.
supercell.com • HQ: London, United Kingdom • Mobile Games
HQ: London, United Kingdom • Mobile Games
20 days ago

MarTech Engineer

In office (Helsinki, Finland, London, United Kingdom) • Relocation • Full-Time
Python
Python
pySpark
Databases
Apache Kafka
Databricks
Delta Lake
AI/ML
Spark
LLM
Mobile
Braze
Push Notifications
DevOps
AWS
CI/CD
Platform Engineering
Terraform
Amazon Kinesis
Amazon S3
IAM
Rest API
Cybersecurity
GDPR
Analytics
ETL/ELT
Apply
Lead • 7+ years expIn office (Helsinki, Finland, London, United Kingdom) • Relocation • Full-Time • Staff
Python
Python
pySpark
AI/ML
LLM
Spark
Feature Store
DevOps
CI/CD
Apply
Open 166 days 6 months ago

Senior Game Programmer, Hay Day

$53k – $135k per year (Estimated) • Senior • In office (London, United Kingdom, Helsinki, Finland) • Relocation • Full-Time • Senior
C++
Apply
Report

Tavily

tavily.com
Tavily is a developer infrastructure company headquartered in Tel Aviv, Israel, and founded in 2023. The company runs a search API built for large language model applications, returning ranked and summarised web results in a form agents can consume directly rather than raw pages of markup. It is used by teams building research assistants and autonomous agents, and integrates with common orchestration frameworks such as LangChain and LlamaIndex.
tavily.com • HQ: Tel Aviv, Israel • Data Collection • Data & Analytics • Internet Services • LLM & Generative AI • AI Agents • Artificial Intelligence • Search Engines • Est. 2023
HQ: Tel Aviv, Israel • Data Collection • Data & Analytics • Internet Services • LLM & Generative AI • AI Agents • Artificial Intelligence • Search Engines • Est. 2023
$66k – $189k per year (Estimated) • Senior • 5+ years exp • Remote (Europe, Israel) • Senior
JavaScript
TypeScript
AI/ML
AI Agents
RAG
Frontend
Angular
React.js
Svelte
Vue.js
Mobile
PWA
QA
Chrome DevTools
Playwright
Selenium
Apply
Verified live · 9 hours ago 20 days ago

Senior Software Engineer (Agentic Search) - Web Access Engineer

$67k – $189k per year (Estimated) • Senior • 5+ years exp • Remote (Europe, Israel) • Senior
JavaScript
C++
Go
Python
Rust
AI/ML
RAG
AI Agents
DevOps
Kubernetes
QA
Chrome DevTools
Playwright
Selenium
Apply
Report

Decagon

decagon.ai
Decagon is a San Francisco company founded in 2023 that builds artificial intelligence support agents for consumer and business brands. Its agents resolve conversations end to end across chat, email and voice by taking actions in company systems, and admins configure behaviour through natural language operating procedures. It has grown quickly with customers in fintech, e-commerce and software.
decagon.ai • HQ: San Francisco, United States • AI Agents • Conversational AI • Artificial Intelligence • Est. 2023
HQ: San Francisco, United States • AI Agents • Conversational AI • Artificial Intelligence • Est. 2023
$270k – $337k per year • Executive • 7+ years expIn office (London, United Kingdom) • Full-Time • Architect
AI Agents
LLM
Prompt Engineering
Apply
$270k – $337k per year • Executive • 7+ years expIn office (London, United Kingdom) • Full-Time • Architect
AI Agents
LLM
Prompt Engineering
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 min ago 20 days ago

Director of Solutions Engineering - EMEA Enterprise

$270k – $337k per year • Executive • 7+ years expIn office (London, United Kingdom) • Full-Time • Architect
AI Agents
LLM
Prompt Engineering
Apply
Top 25% payVerified live · 7 min ago 20 days ago

Director of Solutions Engineering - EMEA Strat

$270k – $337k per year • Executive • 7+ years expIn office (London, United Kingdom) • Full-Time • Architect
AI Agents
LLM
Prompt Engineering
Apply
Top 25% payVerified live · 7 min ago 2 months ago

Agent Deployment Engineer - French Speaking

$148k – $202k per year • Senior • 5+ years expIn office (London, United Kingdom) • Full-Time • Senior • French
AI Agents
LLM Guardrails
Apply
Report

Snowflake

snowflake.com
Snowflake is an American cloud data company founded in 2012 by former Oracle database architects and headquartered in Bozeman, Montana. Its platform separates storage from compute so organisations can scale query power independently of data volume, run workloads across Amazon Web Services, Azure and Google Cloud, and share live datasets with partners without copying them. Originally a cloud data warehouse, it has expanded into data engineering, application development with Snowpark and Native Apps, and AI features through Cortex, and it listed on the New York Stock Exchange in 2020 in the largest software offering to that point.
snowflake.com • HQ: Bozeman, United States • Cloud Computing • Artificial Intelligence • Data Engineering • Big Data • Database Management • Data & Analytics • Data Warehousing • 5000+ employees • Est. 2012
HQ: Bozeman, United States • Cloud Computing • Artificial Intelligence • Data Engineering • Big Data • Database Management • Data & Analytics • Data Warehousing • 5000+ employees • Est. 2012
Verified live · 2 hours ago 20 days ago

Senior Product Marketing Manager - AI/ML

$120k – $216k per year (Estimated) • Senior • 7+ years expIn office (London, United Kingdom) • Full-Time • Senior
Snowflake
AI/ML
Copilot
AI Agents
Apply
$145k – $230k per year (Estimated) • Equity • Senior • 7+ years expIn office (London, United Kingdom) • Relocation • PhD • Full-Time • Senior
Snowflake
AI/ML
Copilot
AI Agents
Apply
Verified live · 2 hours ago 22 days ago

Lead Developer Advocate, SQL & Analytics Workloads

$137k – $244k per year (Estimated) • Lead • 5+ years expRemote/Hybrid (London, United Kingdom, Berlin, Germany, Warsaw, Poland) • Full-Time • Staff
Python
SQL
Databases
Snowflake
AI/ML
dbt
AI Agents
DevOps
GitHub
Analytics
ETL/ELT
Management
Slack
Apply
Report

Nansen

nansen.ai
Nansen is a blockchain analytics company founded in 2019 and headquartered in Singapore. It labels hundreds of millions of wallet addresses so that users can follow the activity of funds, market makers and prominent traders across chains. The platform is used for token research, portfolio tracking and monitoring flows into and out of protocols.
nansen.ai • HQ: Singapore • Est. 2019
HQ: Singapore • Est. 2019
Verified live · 1 day ago 20 days ago

Senior Data Engineer

$71k – $182k per year (Estimated) • Senior • Remote (Europe, Singapore) • Visa sponsorship • Senior
Python
SQL
Databases
ClickHouse
PostgreSQL
AI/ML
Claude
Claude Code
Cursor
dbt
Web3
Nansen
Apply
Report

Liberis

liberis.com
Liberis is a London company founded in 2007 that provides revenue based finance to small businesses. Repayments flow automatically as a share of card takings, which suits merchants with seasonal or uneven income. The company embeds its lending inside payment processors and platforms that already hold merchant transaction data.
liberis.com • HQ: London, United Kingdom • Financial Services • FinTech • Est. 2007
HQ: London, United Kingdom • Financial Services • FinTech • Est. 2007
Verified live · 3 hours ago 20 days ago

Senior Salesforce Engineer

$56k – $138k per year (Estimated) • Senior • Remote/Hybrid (London, United Kingdom) • Senior
Apex
Apex
Lightning Web Components
DevOps
CI/CD
Git
Marketing
Salesforce
Apply
Verified live · 3 hours ago 23 days ago

Product Designer

$81k – $176k per year (Estimated)Remote/Hybrid (London, United Kingdom)
Figma
Apply
Verified live · 3 hours ago 2 months ago

Salesforce Engineering Lead

$83k – $171k per year (Estimated) • Lead • Remote/Hybrid (London, United Kingdom) • Staff
Apex
Apex
Lightning Web Components
DevOps
CI/CD
GitHub
Marketing
Salesforce
Zendesk
Apply
Report

Harmonic

harmonic.fm
Built for Artists. Curated by Fans. Create your own record store now.
harmonic.fm • Palo Alto • London • Publishing • Commerce • Marketplaces
Palo Alto • London • Publishing • Commerce • Marketplaces
Verified live · 1 day ago 21 day ago

Formal Verification Engineer

$119k – $274k per year (Estimated)In office (Palo Alto, United States, London, United Kingdom) • Bachelor's Degree • Full-Time
Reinforcement Learning
Apply
Open 123 daysVerified live · 1 day ago 4 months ago

Software Engineer, Infrastructure

$98k – $177k per year (Estimated) • Senior • 5+ years expIn office (London, United Kingdom) • Bachelor's Degree • Full-Time • Senior
C++
Python
AI/ML
Reinforcement Learning
DevOps
AWS
Azure
GCP
Kubernetes
Apply
Report

consultancy_uk

consultancy.uk
Consultancy.uk is the leading platform for the global and UK consulting industry.
consultancy.uk • London • Financial Services • Professional Services • Data & Analytics • Est. 2013
London • Financial Services • Professional Services • Data & Analytics • Est. 2013
$101k – $180k per year (Estimated) • Lead • 4+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time • Staff
Python
SQL
Python
pySpark
Databases
Databricks
Delta Lake
AI/ML
Spark
dbt
DevOps
CI/CD
Git
Platform Engineering
GitHub
Cybersecurity
GDPR
ISO 27001
Apply
28 days ago

Head of IT

$117k – $260k per year (Estimated) • Executive • 8+ years expLondon • Remote (United Kingdom) • Bachelor's Degree • Full-Time • Architect
Databricks
Cybersecurity
ISO 27001
Apply
3 months ago

Data Engineer

$87k – $171k per year (Estimated) • Junior • 2+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time • Junior
Python
SQL
Python
pySpark
Databases
Databricks
Delta Lake
AI/ML
Spark
dbt
DevOps
Git
GitHub
Apply
Report

Christie's

christies.com
Christie’s is a world-leading art and luxury auction house. Renowned and trusted for its live and online auctions, as well as its bespoke private sales.
christies.com • London • New York • Beijing • Seoul • Paris • Consumer Goods • Commerce • Auctions
London • New York • Beijing • Seoul • Paris • Consumer Goods • Commerce • Auctions
Verified live · 2 days ago 21 day ago

Insights Analyst (Maternity Cover)

$55k – $150k per year (Estimated)In office (London, United Kingdom) • Full-Time
SQL
Databases
Databricks
Mobile
Lottie
Analytics
Power BI
Tableau
Marketing
Salesforce
Apply
Report

Vantage Data Centers

vantagedc.com
Vantage Data Centers is a leading global provider of hyperscale data center campuses that designs, builds, and operates critical digital infrastructure. Headquartered in Denver, Colorado, the company provides cloud providers, large tech enterprises, and artificial intelligence developers with high-density, customizable data storage and computing capacity. Backed by major infrastructure investors like DigitalBridge and Silver Lake, Vantage operates dozens of sustainable, powered campuses across North America, Europe, Asia-Pacific, and South America.
vantagedc.com • Frankfurt am Main • Denver • Montreal • San Antonio • Santa Clara • Real Estate • Property Development • 1001-5000 employees • Est. 2008
Frankfurt am Main • Denver • Montreal • San Antonio • Santa Clara • Real Estate • Property Development • 1001-5000 employees • Est. 2008
Top 25% payVerified live · 3 hours ago 15 days ago

Vice President, Reliability and Technical Assurance, Global

$250k – $270k per year • Executive • In office (London, United Kingdom) • Full-Time • Architect
Rollup
Apply
Verified live · 3 hours ago 21 day ago

Senior Security Systems Design Engineer

$61k – $135k per year (Estimated) • Senior • 8+ years expIn office (London, United Kingdom, Frankfurt am Main, Germany) • Full-Time • Senior
AutoCAD
Apply
Verified live · 3 hours ago 28 days ago

Senior Automation Design Engineer, EMEA

$76k – $158k per year (Estimated) • Senior • 6+ years expIn office (London, United Kingdom) • Full-Time • Senior
Hyper-V
VMWare
Design
AutoCAD
IoT
MQTT
Apply
Report

S&P Global

spglobal.com
S&P Global is a world-renowned financial information and analytics provider that supplies credit ratings, benchmark indices, commodity pricing, and workflow solutions to capital and commodity markets worldwide. The company is best known for publishing essential financial benchmarks, including the flagship S&P 500 index, and issuing credit ratings through S&P Global Ratings. By delivering transparent data, deep market intelligence, and risk assessment tools, it empowers financial institutions, corporations, and governments to make confident investment and strategic decisions.
spglobal.com • HQ: New York, United States • Data & Analytics • Analytics Platforms • Financial Services • Capital Markets • 5000+ employees
HQ: New York, United States • Data & Analytics • Analytics Platforms • Financial Services • Capital Markets • 5000+ employees
Verified live · 22 min ago 21 day ago

Equities & Digital Assets R&D Analyst, Index Design

$51k – $137k per year (Estimated)In office (London, United Kingdom) • Full-Time
Python
Web3
DeFi
Apply
Verified live · 22 min ago 23 days ago

Vice President, Data Science

$104k – $222k per year (Estimated) • Executive • 25+ years expRemote/Hybrid (London, United Kingdom) • Full-Time • Architect
Anomaly Detection
Explainable AI
Apply
Verified live · 22 min ago 24 days ago

Technical Product Owner – Equity Calculation and Data

$72k – $163k per year (Estimated)In office (London, United Kingdom) • Full-Time
Azure
Azure DevOps
Apply
Report

Group of Twenty

g20.org
The Group of Twenty (G20) is the premier global forum for international economic cooperation, bringing together 19 countries, the European Union, and the African Union. The platform unites leaders from the world's major advanced and emerging economies to address critical global challenges, including financial stability, climate change, sustainable development, and trade. Through annual leader summits and ongoing working group meetings, it drives policy coordination to foster resilient and inclusive global economic growth.
g20.org • Zurich • New York • London • Financial Services • Government
Zurich • New York • London • Financial Services • Government
$88k – $172k per year (Estimated)In office (London, United Kingdom) • Master's Degree • Full-Time
Python
SQL
Apply
$88k – $172k per year (Estimated)In office (London, United Kingdom) • Master's Degree • Full-Time
Python
SQL
Apply
$88k – $172k per year (Estimated) • Equity • In office (London, United Kingdom) • Master's Degree • Full-Time
Python
SQL
Apply
Report

Ionate

ionate.com
ionate.com • London • Vienna • Data & Analytics • Information Technology
London • Vienna • Data & Analytics • Information Technology
$54k – $150k per year (Estimated)Remote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time
MATLAB
Apply
Remote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time
Apply
$63k – $153k per year (Estimated) • Senior • Remote/Hybrid (London, United Kingdom) • Full-Time • Senior
MATLAB
Management
Confluence
Apply
Report

Canvas8

canvas8.com
Canvas8 is an award-winning consultancy that helps brands create better strategies, products, and businesses. Discover what we do and how we can help your team.
canvas8.com • New York • London • Professional Services • Sales & Marketing • Market Research
New York • London • Professional Services • Sales & Marketing • Market Research
$72k – $135k per year (Estimated) • Senior • 4+ years expRemote/Hybrid (London, United Kingdom) • Full-Time • Senior • English
Apply
Report

Workiva

workiva.com
Workiva (NYSE: WK) is a global SaaS and a leading provider of a cloud-based connected and reporting compliance platform that enables the use of connected data and automation of reporting across finance and accounting, risk, and compliance.
workiva.com • HQ: London, United Kingdom • Financial Services • Software • Audit • 1001-5000 employees
HQ: London, United Kingdom • Financial Services • Software • Audit • 1001-5000 employees
Verified live · 2 hours ago 5 hours ago

Senior Solution Consultant - Technical

$57k – $139k per year (Estimated) • Senior • 6+ years expIn office (London, United Kingdom, Amsterdam, Netherlands) • Full-Time • Senior
SQL
Apex
Apex
MuleSoft
Databases
Databricks
Snowflake
AI/ML
Model Context Protocol
DevOps
Azure
Cybersecurity
GDPR
Apply
Verified live · 2 hours ago 21 day ago

Senior Product Marketing Manager

$91k – $164k per year (Estimated) • Senior • 6+ years expIn office (London, United Kingdom, Amsterdam, Netherlands) • Bachelor's Degree • Senior
Apply
$78k – $172k per year (Estimated) • Equity • Senior • Remote (France, United Kingdom) • Visa sponsorship • Bachelor's Degree • Internship • Senior
JavaScript
Python
TypeScript
DevOps
Docker
QA
Playwright
Apply
Report

Odyssey AI

odyssey.com
Odyssey is a deep-tech artificial intelligence startup building multimodal "world models" for interactive 3D simulations, headquartered in Palo Alto, California. Founded in 2023 by Oliver Cameron (former VP of Product at Cruise and co-founder of Voyage) and Dr. Jeffrey Hawke (former VP of Technology at Wayve), the venture has raised over $337 million in funding - highlighted by a $310 million Series B at a $1.45 billion valuation led by Google Ventures, EQT Ventures, and Natural Capital.
odyssey.com • HQ: Palo Alto, United States • Blockchain & Crypto • NFT • Internet Services • Domain Names • 201-500 employees • Est. 2023
HQ: Palo Alto, United States • Blockchain & Crypto • NFT • Internet Services • Domain Names • 201-500 employees • Est. 2023
Verified live · 2 days ago 21 day ago

Member of Technical Staff, Data Engineering

$184k – $374k per year (Estimated) • Staff+ • 1+ year expIn office (Palo Alto, United States, Zurich, Switzerland, London, United Kingdom) • Full-Time • Staff
Multimodal AI
OpenAI
Computer Vision
Pre-training
Apply
Verified live · 2 days ago 22 days ago

Member of Technical Staff, Applied Research

$184k – $374k per year (Estimated) • Staff+ • In office (Palo Alto, United States, Zurich, Switzerland, London, United Kingdom) • Full-Time • Staff
Multimodal AI
OpenAI
Apply
Verified live · 2 days ago 2 months ago

Member of Technical Staff, Foundation Models

$185k – $374k per year (Estimated) • Staff+ • 2+ years expIn office (Palo Alto, United States, Zurich, Switzerland, London, United Kingdom) • Full-Time • Staff
JAX
Multimodal AI
PyTorch
OpenAI
Apply
Report

Pigment

pigment.com
Pigment is a SaaS company that builds planning and performance management software for organisations that need a clearer, faster way to budget, forecast and track results. Many finance and business teams still rely on spreadsheets or older planning tools that are difficult to maintain, slow to update, and hard to share across departments. Pigment’s product is designed to bring financial and operational planning into a single platform, so teams can model different scenarios, collaborate on assumptions, and keep plans aligned as business conditions change.
pigment.com • Paris • London • Toronto • Austin • San Francisco • Financial Services • Business Intelligence • Software • 501-1000 employees
Paris • London • Toronto • Austin • San Francisco • Financial Services • Business Intelligence • Software • 501-1000 employees
21 day ago

Senior AI Scientist

$94k – $192k per year (Estimated) • Equity • Senior • London • Remote (United Kingdom) • Relocation • Master's Degree • Senior
Python
Databases
Snowflake
AI/ML
Fine-tuning
LangChain
LangGraph
LLM
NLP
PyTorch
Scikit-learn
TensorFlow
Time Series Forecasting
AI Agents
Apply
$86k – $163k per year (Estimated) • Equity • Senior • 8+ years expLondon • Remote (United Kingdom) • Relocation • Visa sponsorship • Senior
C#
C++
Go
Java
Python
Ruby
Rust
TypeScript
JavaScript
C#
.NET
Databases
PostgreSQL
RabbitMQ
Snowflake
Frontend
React.js
DevOps
CircleCI
Docker
GCP
Kubernetes
Terraform
Apply
Verified live · 2 hours ago 2 months ago

Optimisation AI Scientist

$64k – $152k per year (Estimated)Remote/Hybrid (London, United Kingdom) • PhD • Full-Time
Python
Apply
Report

Zero Hash

zerohash.com
Zero Hash is a business-to-business settlement and infrastructure company founded in 2017 and headquartered in Chicago. It provides licensed crypto and stablecoin rails that brokerages, banks and fintech applications embed to offer digital asset services. The firm handles custody, liquidity, compliance and tax reporting as a single integrated stack.
zerohash.com • HQ: Chicago, United States • Cryptocurrencies • Branding • Blockchain & Crypto • 201-500 employees • Est. 2017
HQ: Chicago, United States • Cryptocurrencies • Branding • Blockchain & Crypto • 201-500 employees • Est. 2017
Verified live · 3 hours ago 21 day ago

Technical Project Manager, Tokenize & Core

$85k – $173k per year (Estimated) • Senior • 6+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time • Senior
Tokenization
Web3
Smart Contracts
Management
Jira
Apply
Verified live · 3 hours ago 23 days ago

Site Reliability Engineer (EMEA)

$69k – $173k per year (Estimated)Remote/Hybrid (London, United Kingdom) • Full-Time
Amazon EKS
AWS
CI/CD
Kubernetes
Amazon ECS
Apply
Report

Zencore

zencore.dev
Zencore is a leading cloud consulting and services firm. Above all else we value experience, hard work and the ability to keep things in perspective and have fun as we ensure our customers are delighted with the work we do.
zencore.dev • London • Mexico City • New York • Copenhagen • Berlin • Blockchain & Crypto • Data & Analytics • Information Technology • Est. 2013
London • Mexico City • New York • Copenhagen • Berlin • Blockchain & Crypto • Data & Analytics • Information Technology • Est. 2013
Verified live · 1 day ago 21 day ago

Program Director

$117k – $260k per year (Estimated) • Executive • 5+ years expLondon • Remote (United Kingdom) • Full-Time • Architect
GCP
Apply
Open 203 daysVerified live · 1 day ago 7 months ago

Principal Architect, AI/ML

$80k – $190k per year (Estimated) • Lead • Remote (United Kingdom) • Master's Degree • Full-Time • Architect
AI Agents
Claude
Fine-tuning
Gemini
Google ADK
JAX
LangChain
Langfuse
LangGraph
LangSmith
Llama
LLM
LoRA
Mistral
PyTorch
Quantization
TensorRT
TensorRT-LLM
Vertex AI
vLLM
PEFT
LLM Guardrails
TPU
DevOps
AWS
Azure
GCP
Google GKE
Kubernetes
Cybersecurity
GDPR
Apply
Report
Tech Jobs in London
Frequently asked questions
How many London jobs in London are available on Alion?
There are currently 3212 active listings from 666 hiring companies on Alion, refreshed daily.
What salary do London jobs in London pay?
The average salary is around $195,668 per year based on the current listings.
Are remote options available for London 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 London jobs in London?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.