Proton VPN is a high-security virtual private network service operated by Proton AG, a privacy-focused software firm headquartered in Geneva, Switzerland. Originally developed in 2017 by scientists and engineers who met at CERN (and who built Proton Mail), the service provides end-to-end encrypted internet routing backed by strict Swiss data protection laws.
HQ: Geneva, Switzerland • Internet Security Services • VPN • Internet Services • 501-1000 employees • Est. 2017
≈ $54k – $178k per year (Estimated) • Equity • Senior • In office (London, United Kingdom) • Internship • Senior
JavaScript
TypeScript
Node JS
Frontend
React.js
DevOps
CI/CD
Grafana
GitHub
QA
Jest
Playwright
Train and run AI on the right data. The data infrastructure layer for Physical AI and Enterprise teams - multimodal by design, from pre and post-training to deployment.
San Francisco • London • New York • Bengaluru • Machine Learning • Artificial Intelligence • Data & Analytics • 51-200 employees
In office (London, United Kingdom) • Full-Time
Python
TypeScript
JavaScript
AI/ML
Multimodal AI
Frontend
React.js
DevOps
GCP
Kubernetes
Management
UiPath
≈ $56k – $183k per year (Estimated) • Senior • 5+ years exp • In office (London, United Kingdom) • Full-Time • Senior
Python
TypeScript
AI/ML
Multimodal AI
Frontend
React.js
DevOps
GCP
Kubernetes
Management
UiPath
Lightning AI is an artificial intelligence technology company headquartered in New York City, New York, and established in 2019. The organization provides a unified platform and the open-source PyTorch Lightning framework to facilitate the building, training, and deployment of machine learning models. It operates globally by offering scalable cloud infrastructure and development tools to individual researchers and enterprise teams across various industries.
HQ: New York, United States • Cloud Management • Software • Cloud Computing • Information Technology • MLOps • Machine Learning • Artificial Intelligence • Est. 2019
Equity • Remote/Hybrid (London, United Kingdom) • Visa sponsorship
JavaScript
TypeScript
AI/ML
PyTorch
PyTorch Lightning
Frontend
React.js
Redux
DevOps
CI/CD
Checkout.com is a London payments company founded in 2012 that processes card and alternative payments for large online merchants. It built a full stack acquiring and processing platform rather than assembling third party components, which lets it optimise authorisation rates directly. Its customers include marketplaces, streaming services and digital asset platforms across Europe, the Middle East and Asia.
HQ: London, United Kingdom • Blockchain & Crypto • Financial Services • Artificial Intelligence • 51-200 employees • Est. 2012
In office (London, United Kingdom) • Full-Time
TypeScript
JavaScript
C#
Databases
ElasticSearch
Frontend
React.js
DevOps
CI/CD
Omnea is a SaaS company focused on improving how organisations buy and manage third party spend. From its positioning, the product appears to sit in the procurement and finance operations space, helping teams bring more structure and visibility to purchasing workflows that are often scattered across email, spreadsheets, and disconnected tools. The core problem it addresses is the friction and risk that comes from ad hoc buying, unclear approvals, and limited oversight of suppliers and costs, especially as a company grows and spend becomes harder to control.
Paris • London • New York • Austin • Washington • Transportation & Logistics • B2B Commerce • Supply Chain • 51-200 employees
$122k – $217k per year • In office (London, United Kingdom) • Visa sponsorship • Full-Time
TypeScript
JavaScript
Databases
DynamoDB
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
Frontend
Next.js
React.js
DevOps
AWS
AWS Lambda
CI/CD
Datadog
GitHub Actions
Pulumi
Amazon EventBridge
GitHub
Motorola Solutions is a global leader in public safety and enterprise security solutions, specializing in land mobile radio communications, video security, access control, and command center software. Created in 2011 following the spin-off of Motorola's mobile phone division, the Chicago-based company primarily serves law enforcement, emergency medical services, government agencies, and commercial enterprises. Its integrated ecosystem connects critical communications, AI-powered video analytics, and emergency dispatch systems to help organizations safeguard communities and operations.
HQ: Chicago, United States • Government • Military • Law Enforcement • Military Communication • 1001-5000 employees • Est. 2011
≈ $9k – $117k per year (Estimated) • Equity • Junior • 2+ years exp • In office (London, United Kingdom) • Relocation • Full-Time • Junior
TypeScript
JavaScript
Go
Frontend
Pinia
Redux
Vuex
Vue.js
Mobile
State Management
DevOps
CI/CD
Git
WebSockets
≈ $9k – $117k per year (Estimated) • Equity • Junior • 2+ years exp • London • Remote (United Kingdom) • Relocation • Visa sponsorship • Master's Degree • Junior
Go
TypeScript
JavaScript
Frontend
Pinia
Redux
Vue.js
Vuex
Mobile
State Management
DevOps
CI/CD
Git
WebSockets
≈ $44k – $143k per year (Estimated) • Equity • Senior • 5+ years exp • Remote/Hybrid (London, United Kingdom) • Relocation • Full-Time • Senior
JavaScript
Go
TypeScript
Frontend
Pinia
Redux
Vuex
Vue.js
Mobile
Firebase
State Management
DevOps
CI/CD
G2I (Good 2 Inherit) is a developer hiring marketplace that connects engineering teams with pre-vetted, remote software engineers specializing in React, React Native, Node.js, and GraphQL. The company focuses on technical alignment and developer well-being, evaluating candidates through rigorous code reviews and developer-led interviews. By matching engineering managers with specialized, high-performing tech talent, it helps organizations scale their development teams with minimal hiring friction.
HQ: New York, United States • Professional Services • Human Resources • Est. 2015
$200k – $400k per year • Senior • Remote (United States, United Kingdom) • Contractor • Senior
JavaScript
Python
TypeScript
AI/ML
Claude
Claude Code
Cursor
OpenAI
OpenAI Codex
Rightmove is a Milton Keynes company founded in 2000 that operates the dominant property portal in the United Kingdom. Estate agents pay to list homes on a site that receives the great majority of British property search traffic. The company is a member of the FTSE 100 and runs data and valuation products alongside its listings.
HQ: Milton Keynes, United Kingdom • Residential Real Estate • Elderly Care • Real Estate • 501-1000 employees • Est. 2000
≈ $53k – $174k per year (Estimated) • Senior • Remote/Hybrid (London, United Kingdom) • Senior
Java
Node JS
TypeScript
JavaScript
Frontend
Angular
React.js
DevOps
Kubernetes
GitLab
QA
Jest
SportyBet is an international sports betting, gaming, and digital entertainment platform owned by Sporty Group. Founded by Sudeep Ramnani in 2013, the platform is a market-leading sports betting operator in Africa - with operations across Nigeria, Ghana, Kenya, Zambia, Tanzania, and Uganda - and has expanded internationally into markets like Brazil.
HQ: London, United Kingdom • Gaming • Sports • iGaming & Gambling • Sports Betting • Est. 2013
≈ $28k – $147k per year (Estimated) • Middle • 4+ years exp • Remote • Middle
Java
Node JS
JavaScript
TypeScript
Frontend
Angular
NgRx
React.js
Redux
Sass
Vue.js
Vuex
Webpack
Vue Router
Mobile
State Management
DevOps
Git
AWS
Jenkins
Kubernetes
QA
Playwright
≈ $67k – $199k per year (Estimated) • Lead • 8+ years exp • Remote (Europe) • Staff
JavaScript
TypeScript
Java
Node JS
Java
Spring Boot
Frontend
Less
NgRx
Nuxt.js
Redux
Sass
Vuex
Webpack
Angular
Vue Router
Vue.js
Mobile
State Management
DevOps
AWS
Git
Jenkins
Kubernetes
QA
Playwright
CrowdStrike is a global cybersecurity leader specializing in cloud-delivered endpoint protection, threat intelligence, and cyberattack response services. Headquartered in Austin, Texas, and publicly traded on the Nasdaq (CRWD), the company provides real-time security solutions to enterprises worldwide.
HQ: Austin, United States • Cybersecurity AI • LLM & Generative AI • Artificial Intelligence • Professional Services • Application Security • Threat Intelligence • Endpoint Security • Cybersecurity • 5000+ employees
≈ $55k – $180k per year (Estimated) • Equity • Senior • In office (London, United Kingdom) • Full-Time • Senior
TypeScript
JavaScript
Frontend
pnpm
Turborepo
DevOps
GitLab CI
Jenkins
Shift-Left
GitLab
Cybersecurity
Crowdstrike
Renovate
Shift-Left Security
Snyk
QA
Playwright
≈ $56k – $182k per year (Estimated) • Equity • Senior • In office (London, United Kingdom) • Full-Time • Senior
JavaScript
Frontend
D3.js
Three.JS
Web Components
Cybersecurity
Crowdstrike
Hire Hangar is a global talent sourcing and remote recruitment platform designed to help fast-growing startups and enterprises hire vetted international professionals. The platform combines AI-powered candidate sourcing algorithms with expert human recruiters to screen, assess, and match top-tier global talent across roles in software engineering, growth marketing, customer support, operations, finance, and GTM sales.
HQ: New York, United States • Professional Services • Human Resources
$18k – $48k per year • Senior • Cape Town • Santiago • Mexico City • Buenos Aires • Lima • Remote (United States, United Kingdom, South Africa, Paraguay, Ecuador) • Full-Time • Senior
TypeScript
JavaScript
Databases
PostgreSQL
Supabase
AI/ML
Claude
Claude Code
Copilot
Cursor
LLM
Prompt Engineering
OpenAI
Frontend
Next.js
React.js
Tailwind CSS
Management
Google Workspace
Jira
Linear
Slack
The Rocket Science Group is the founding parent company behind Mailchimp, the globally recognized marketing automation and email platform. Established in 2001 in Atlanta, Georgia, the company focused on building accessible, design-forward web applications and marketing tools for small and medium-sized businesses. In late 2021, the firm was acquired by Intuit, where its platform continues to operate as a core component of Intuit's global business technology ecosystem.
Albany • London • Cardiff • Design & Creative • Sales & Marketing
≈ $56k – $182k per year (Estimated) • Senior • In office (London, United Kingdom) • Full-Time • Senior
C++
Game Dev
Unreal Engine
≈ $67k – $201k per year (Estimated) • Lead • In office (London, United Kingdom) • Full-Time • Principal
C++
Game Dev
Unreal Engine
Supabase is an open-source backend-as-a-service company headquartered in San Francisco, California, and founded in 2020. The company provides a suite of development tools built on top of PostgreSQL, including database management, user authentication, edge functions, real-time data synchronization, and vector storage for machine learning applications. Operating as a remote-first organization, it serves a global community of developers and enterprises by offering a scalable alternative to proprietary cloud platforms through its integrated suite of open-source technologies.
HQ: San Francisco, United States • Machine Learning • Artificial Intelligence • Cloud Computing • Mobile App Development • Software • Web Development • Information Technology • Database Management • 201-500 employees • Est. 2020
Equity • Remote • Full-Time
JavaScript
TypeScript
Databases
PostgreSQL
Supabase
Frontend
Next.js
React.js
Svelte
Vue.js
Equity • London • Remote (United Kingdom) • Full-Time
JavaScript
TypeScript
Databases
PostgreSQL
Supabase
Frontend
Next.js
React.js
Svelte
Vue.js
Blockchain Capital is one of the earliest dedicated digital asset venture firms, founded in 2013 in San Francisco. It has invested across many funds in exchanges, infrastructure, decentralised finance and consumer applications. The firm was also a pioneer of tokenised fund structures, issuing a security token to represent limited partner interests.
HQ: San Francisco, United States • Blockchain & Crypto • Est. 2013
≈ $54k – $176k per year (Estimated) • Senior • 5+ years exp • Remote (United Kingdom, Argentina, Brazil, Bulgaria, Colombia) • Full-Time • Senior
JavaScript
TypeScript
Frontend
Next.js
React.js
Mobile
React Native
DevOps
WebSockets
Restream is #1 solution that helps to broadcast live video to all social networks simultaneously. Millions of people around the world use Restream to reach, engage, and monetize their audiences. We're a small and diverse group of dreamers who mak...
Austin • Tallinn • Software • Video Production • Media & Entertainment
≈ $56k – $184k per year (Estimated) • Equity • Senior • Remote (Europe) • Full-Time • Senior
JavaScript
TypeScript
Node JS
Frontend
React.js
Sass
DevOps
AWS
CI/CD
Docker
Kubernetes
Rest API
≈ $56k – $184k per year (Estimated) • Equity • Senior • Remote (Europe) • Full-Time • Senior
JavaScript
TypeScript
Node JS
Frontend
React.js
Sass
DevOps
AWS
CI/CD
Docker
Kubernetes
Rest API
NICE is a global enterprise software leader that provides cloud and AI-driven solutions to optimize customer service, financial compliance, and public safety. Its flagship cloud platform empowers contact centers worldwide with advanced analytics and automation to deliver seamless, personalized customer experiences. Additionally, the company offers specialized solutions to help organizations prevent financial crime, manage risk, and maintain regulatory compliance.
HQ: Ra'anana, Israel • Artificial Intelligence • 1001-5000 employees • Est. 1986
≈ $53k – $173k per year (Estimated) • Senior • 5+ years exp • Remote/Hybrid (London, United Kingdom) • Contractor • Senior
JavaScript
TypeScript
AI/ML
AI Agents
Frontend
Angular
React.js
Sass
NgRx
Redux
RxJS
Storybook
Mobile
State Management
DevOps
CI/CD
Cybersecurity
GDPR
HIPAA
ISO 27001
SOC 2
QA
Jest
Playwright
Jump Trading is a proprietary trading firm focused on quantitative and high-speed strategies. It invests heavily in networking, hardware acceleration and research computing. The firm also runs ventures in cryptocurrency infrastructure and machine learning research.
HQ: Chicago, United States • Est. 1999
Intern • In office (London, United Kingdom) • Internship • Intern
Python
TypeScript
AI/ML
Claude
Claude Code
Vercel is a leading cloud platform for frontend developers that provides hosting for static sites and serverless functions, enabling teams to build, scale, and secure a faster, personalized web. Best known as the creators of Next.js - a popular open-source React framework - the company focuses on optimizing the developer experience with seamless deployment workflows and continuous integration.
San Francisco • New York • London • Berlin • Sydney • Cloud Computing • Web Development • Web Hosting
Equity • Executive • 5+ years exp • Remote/Hybrid (London, United Kingdom) • Architect
JavaScript
AI/ML
AI Agents
OpenAI
Frontend
Next.js
React.js
DevOps
Vercel
≈ $71k – $213k per year (Estimated) • Lead • Remote/Hybrid (London, United Kingdom) • Staff
JavaScript
AI/ML
AI Agents
OpenAI
Frontend
Next.js
React.js
DevOps
Vercel
Spotify is an audio streaming platform that delivers an extensive catalog of music, podcasts, and audiobooks, catering to hundreds of millions of users globally. It empowers artists by providing them with the means to monetize their creativity while offering fans unparalleled access to a diverse array of content, all driven by a passion for sound.
HQ: Stockholm, Sweden • Podcasting • Audio Production • Music Industry • Streaming & OTT Platforms • 1001-5000 employees
≈ $57k – $187k per year (Estimated) • Senior • 5+ years exp • London • Remote (United Kingdom) • Bachelor's Degree • Full-Time • Senior
TypeScript
JavaScript
Frontend
GraphQL
React.js
DevOps
gRPC
Remote/Hybrid (London, United Kingdom) • Full-Time
TypeScript
JavaScript
Frontend
GraphQL
React.js
DevOps
gRPC
Citi is a leading global financial services company headquartered in New York City, offering a broad range of banking, investment, and wealth management services to consumers, corporations, and institutions. As one of the world's largest banking institutions, it operates across more than 160 countries and jurisdictions, serving as a critical facilitator of global commerce. Through its primary consumer division, Citibank, alongside its institutional businesses, the company provides everyday banking, credit cards, capital markets solutions, and cross-border payment infrastructure worldwide.
HQ: New York, United States • Credit Cards • Financial Services • Banking • 1001-5000 employees • Est. 1900
Executive • Remote/Hybrid (London, United Kingdom) • Full-Time • Staff
Java
TypeScript
JavaScript
Java
Spring Boot
Spring Framework
Databases
MS SQL
AI/ML
Copilot
Devin
Frontend
Angular
GraphQL
DevOps
CI/CD
Salary range
| Seniority |
Jobs |
25% |
Median |
75% |
| All levels |
9 |
$68K |
$190K |
$230K |
Based only on the listings that state pay. Gross annual amounts, converted to USD so roles in different currencies stay comparable.
The market right now
Alion currently lists 73 open Frontend Developer jobs in London from 55 companies. 9 of them were posted or refreshed in the last seven days. 44 of the employers have posted something in the last three months, which is the pool worth watching if you are starting a search now. Every listing links straight to the employer, so you apply on their own board rather than through an intermediary.
What these roles pay
9 of these Frontend Developer jobs in London state pay directly. Across them the middle half of the market sits between $68K and $230K a year, with a median of $190K. Figures are gross annual amounts converted to US dollars, so roles in different currencies stay comparable.
Where the work is
The largest concentrations of these roles are Germany (3), Argentina (2), Portugal (2), Mexico (1), and Netherlands (1). 47% of the listings are fully remote and a further 26% are hybrid, so a large part of this market is open to you regardless of where you live.
Who is hiring
The employers with the most open Frontend Developer jobs in London right now are TRM Labs (4), Motorola Solutions (3), Encord (2), SportyBet (2), CrowdStrike (2), and Rocket Science Group (2). Each company page on Alion carries its size, funding stage, tech stack and every other position it has open, so you can judge the employer before you spend an evening on the application.
What employers ask for
Reading across the current listings, the tools that come up most often are JavaScript (68), TypeScript (58), React.js (55), CI/CD (22), Next.js (15), Node JS (14), Vue.js (13), and GitHub (12). The counts are how many of these openings name each one, which is a better guide to what is actually being hired for than a generic skills list.
Relocation, visas and equity
Of the current Frontend Developer jobs in London, 12 state visa sponsorship, 4 offer a relocation package, and 22 include equity. These are filters on the list above, so you can narrow it to the ones that make a move possible for you.
