Frontend Developer jobs in London hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $174,877/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
Acre is a London mortgage technology company founded in 2017 that builds the software brokers use to run a case from first meeting to completion. Its platform combines client records, product sourcing, compliance evidence and lender submission in one workflow rather than the several disconnected systems the sector traditionally used. The company sells to mortgage networks and directly authorised advisers across the United Kingdom.
plentific.com • HQ: London, United Kingdom • PropTech • Property Management • Real Estate • Est. 2013 • Startup • Hiring 19, 2 new
HQ: London, United Kingdom • PropTech • Property Management • Real Estate • Est. 2013 • Startup • Hiring 19, 2 new
Plentific is a London company founded in 2013 that runs a property maintenance marketplace and management platform. Housing associations, councils and landlords use it to dispatch repairs to a vetted contractor network with live tracking. The company operates in Britain, Germany and the United States.
bjak.my • HQ: Petaling Jaya, Malaysia • InsurTech • Financial Comparison & Loan Marketplaces • 5000+ employees • Est. 2015 • Trust B • Hiring 1932, 21 new
HQ: Petaling Jaya, Malaysia • InsurTech • Financial Comparison & Loan Marketplaces • 5000+ employees • Est. 2015 • Trust B • Hiring 1932, 21 new
Bjak is a Malaysian insurance technology company founded in 2015 that operates the largest insurance comparison site in Southeast Asia, letting consumers compare and buy motor and travel cover online. It has extended beyond comparison into insurance distribution technology, claims processing and a broader financial services platform, and it develops much of its own infrastructure in house including document processing and pricing systems. Headquartered in Petaling Jaya near Kuala Lumpur, it operates across Malaysia, Thailand, Taiwan and other regional markets and remains privately held and profitable.
lorum.com • New York • London • Zurich • Money Transfer & Remittances • Payment Processing & Gateways • 51-200 employees • Est. 2023 • Startup • Hiring 10, 3 new
New York • London • Zurich • Money Transfer & Remittances • Payment Processing & Gateways • 51-200 employees • Est. 2023 • Startup • Hiring 10, 3 new
Lorum is the correspondent institution for banks and fintechs: programmable access to global clearing, named custody, and treasury on a 100% reserve model.
motorway.co.uk • HQ: London, United Kingdom • Marketplaces • 201-500 employees • Est. 2017 • Startup • Hiring 14, 3 new
HQ: London, United Kingdom • Marketplaces • 201-500 employees • Est. 2017 • Startup • Hiring 14, 3 new
Motorway is an online car-selling marketplace in the United Kingdom where private sellers list their vehicles and a network of more than 8,000 verified dealers bid on them in daily auctions. The service is free for sellers, with home collection and payment arranged through Motorway, while dealers pay fees to buy stock. The company was founded in 2017. The company is headquartered in London, England, United Kingdom.
speechmatics.com • HQ: Cambridge, United Kingdom • Machine Learning • Speech & Audio AI • 201-500 employees • Est. 2006 • Hiring 16, 2 new
HQ: Cambridge, United Kingdom • Machine Learning • Speech & Audio AI • 201-500 employees • Est. 2006 • Hiring 16, 2 new
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.
zilch.com • HQ: London, United Kingdom • Buy Now, Pay Later • Est. 2018 • Startup • Hiring 12
HQ: London, United Kingdom • Buy Now, Pay Later • Est. 2018 • Startup • Hiring 12
Zilch is a London payments company founded in 2018 that combines buy now pay later credit with an advertising business. Customers spend through a virtual card anywhere Mastercard is accepted, and merchants pay for the resulting commerce. The company is regulated as a consumer credit provider and reports its lending data to credit bureaus.
talan.com • HQ: Paris, France • AI Consulting & Integration • Management Consulting • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 2002 • IT services • Trust B • Hiring 357, 28 new
HQ: Paris, France • AI Consulting & Integration • Management Consulting • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 2002 • IT services • Trust B • Hiring 357, 28 new
Talan is a French technology and management consultancy founded in 2002 that advises large organisations on data, cloud, artificial intelligence and business transformation. It works mainly with banks, insurers, public sector bodies, energy companies and industrial groups, combining strategy consulting with hands-on engineering through practices covering data platforms, distributed ledger technology, enterprise applications and cybersecurity. Headquartered in Paris, the firm has grown quickly through acquisitions across Europe, North America and the Middle East and now employs several thousand consultants.
londonstockexchange.com • HQ: London, United Kingdom • Financial Services • Financial Data & Market Intelligence • Stock Exchanges & Market Infrastructure • 1001-5000 employees • Trust A • Hiring 79, 1 new
HQ: London, United Kingdom • Financial Services • Financial Data & Market Intelligence • Stock Exchanges & Market Infrastructure • 1001-5000 employees • Trust A • Hiring 79, 1 new
Headquartered in London, United Kingdom, the London Stock Exchange is one of the world's oldest and most prominent financial exchanges. It provides international capital markets, premier listing venues such as the Main Market and AIM, and electronic trading infrastructure for equities, bonds, and exchange-traded funds. As a core subsidiary of the London Stock Exchange Group, it connects global issuers with investors to facilitate efficient capital formation, market liquidity, and economic growth.
seamflow.com • HQ: London, United Kingdom • Manufacturing & Industrial Software • Testing, Inspection & Certification • 1-10 employees • Est. 2025 • Startup • Trust B • Hiring 7
HQ: London, United Kingdom • Manufacturing & Industrial Software • Testing, Inspection & Certification • 1-10 employees • Est. 2025 • Startup • Trust B • Hiring 7
Seamflow is the AI-native operating system for testing, inspection, and certification (TIC) organizations. Automate MDR technical file reviews, notified body workflows, and certification processes — turning months into hours.
perk.com • HQ: London, United Kingdom • Travel Technology • Business Travel • 1001-5000 employees • Est. 2015 • Trust B • Hiring 123, 7 new
HQ: London, United Kingdom • Travel Technology • Business Travel • 1001-5000 employees • Est. 2015 • Trust B • Hiring 123, 7 new
Perk (formerly TravelPerk) is an AI-native travel and spend management platform that unifies corporate travel booking, expense tracking, and invoice processing into a single ecosystem. Headquartered in London and Boston, the corporate technology unicorn serves thousands of enterprise clients globally with tools for 24/7 travel support, automated policy enforcement, and real-time expense reconciliation. By automating manual administrative tasks and integrating with major ERPs, the platform helps organizations save time and maintain full visibility over corporate expenditures.
makeswift.com • HQ: Atlanta, United States • Software • Internet Services • Website Builders • CMS & Digital Experience Platforms • 51-200 employees • Est. 2017 • Hiring 27, 7 new
HQ: Atlanta, United States • Software • Internet Services • Website Builders • CMS & Digital Experience Platforms • 51-200 employees • Est. 2017 • Hiring 27, 7 new
Makeswift is a software company headquartered in Atlanta, Georgia, United States, that develops a visual page builder and content management system tailored for Next.js applications. The platform bridges the gap between marketing and engineering by allowing non-technical teams to visually design web pages using custom React components without sacrificing code control or performance. Now operating as a subsidiary of BigCommerce, it enables modern digital brands and enterprise teams to rapidly compose, iterate, and scale headless web experiences.
aave.com • HQ: London, United Kingdom • Cryptocurrencies • DeFi • 11-50 employees • Est. 2017 • Startup • Trust B • Hiring 12
HQ: London, United Kingdom • Cryptocurrencies • DeFi • 11-50 employees • Est. 2017 • Startup • Trust B • Hiring 12
Aave is a decentralised lending protocol, developed by the London-based company Avara, that lets users supply crypto assets to earn yield and borrow against them without an intermediary. Started in 2017 as the peer-to-peer lender ETHLend and relaunched under its current name in 2018, the protocol pioneered variable and stable interest rate markets, flash loans and cross-chain liquidity pools. Governance sits with holders of the AAVE token, and the wider Avara portfolio now also includes the GHO stablecoin, the Lens social protocol and consumer wallet products.
jpmorganchase.com • HQ: New York, United States • Wealth Management & Financial Advisors • Asset Management & Funds • Investment Banking & M&A Advisory • Commercial & Retail Banks • 5000+ employees • Est. 1799 • Trust A • Hiring 3420, 187 new
HQ: New York, United States • Wealth Management & Financial Advisors • Asset Management & Funds • Investment Banking & M&A Advisory • Commercial & Retail Banks • 5000+ employees • Est. 1799 • Trust A • Hiring 3420, 187 new
JPMorganChase is the largest bank in the United States by assets and one of the most systemically important financial institutions in the world, with a lineage running back through more than a thousand predecessor firms to the 1799 founding of the Bank of the Manhattan Company. It combines a dominant investment bank and markets business with Chase, the largest retail banking franchise in America, plus commercial banking and asset and wealth management. Headquartered in New York, the group is unusual among banks for the scale of its technology spending, running one of the largest engineering organisations of any financial institution and deploying its own internal AI platform across the firm.
clearstreet.io • HQ: New York, United States • Stock Exchanges & Market Infrastructure • Online Brokerage & Trading Platforms • 501-1000 employees • Est. 2018 • Startup • Trust B • Hiring 45, 6 new
HQ: New York, United States • Stock Exchanges & Market Infrastructure • Online Brokerage & Trading Platforms • 501-1000 employees • Est. 2018 • Startup • Trust B • Hiring 45, 6 new
Clear Street is a financial technology and prime brokerage firm that provides a cloud-native capital markets platform for institutional and sophisticated active investors. The company offers an integrated suite of services, including prime brokerage, clearing, settlement, securities lending, low-latency execution, and API-driven trading infrastructure across equities, options, and digital assets. Headquartered in New York, United States, the enterprise serves hedge funds, asset managers, broker-dealers, and active individual traders globally.
voodoo.io • HQ: Paris, France • Social Networks • Game Development • Mobile Games • 501-1000 employees • Est. 2013 • Trust B • Hiring 95, 4 new
HQ: Paris, France • Social Networks • Game Development • Mobile Games • 501-1000 employees • Est. 2013 • Trust B • Hiring 95, 4 new
Voodoo is a French mobile gaming and consumer applications company founded in 2013 that built its business on hyper-casual games, titles simple enough to understand in seconds and monetised almost entirely through advertising rather than purchases. As advertising costs rose it moved deliberately into hybrid-casual and subscription applications, acquiring the social network BeReal in 2024 and building a portfolio of utility and dating apps alongside the games. Headquartered in Paris and backed by Tencent and Goldman Sachs, it reports billions of downloads and is one of the largest mobile publishers in the world by install volume.
Senior • 5+ years exp • Barcelona • Madrid • Warsaw • Tallinn • Helsinki • Remote (Germany, United Kingdom, Finland, Italy, Netherlands) • Full-Time • Senior • English
comand.ai • HQ: Paris, France • Military • C4ISR • 51-200 employees • Est. 2023 • Hiring 9
HQ: Paris, France • Military • C4ISR • 51-200 employees • Est. 2023 • Hiring 9
Comand AI builds artificial intelligence decision support for military command and control. Founded in 2023 in Paris, it applies planning and simulation models to battlefield coordination problems. The company works with European armed forces on next-generation command systems.
faculty.ai • HQ: London, United Kingdom • Management Consulting • Custom Software Development • Decision Intelligence • AI Consulting & Integration • 201-500 employees • Est. 2014 • Startup • Trust A • Hiring 65, 7 new
HQ: London, United Kingdom • Management Consulting • Custom Software Development • Decision Intelligence • AI Consulting & Integration • 201-500 employees • Est. 2014 • Startup • Trust A • Hiring 65, 7 new
Faculty is an artificial intelligence technology company headquartered in London, United Kingdom, and founded in 2014. The firm provides services including AI strategy consulting, custom software development, and specialized talent programs to help organizations implement decision intelligence. It operates as a subsidiary of Accenture and serves a global client base across sectors such as defense, healthcare, and energy, focusing on the safe and high-performance deployment of AI solutions.
tussell.com • HQ: London, United Kingdom • Market Research • 11-50 employees • Est. 2015 • Startup • Hiring 1
HQ: London, United Kingdom • Market Research • 11-50 employees • Est. 2015 • Startup • Hiring 1
Tussell is a London data company founded in 2015 that tracks public sector procurement in the United Kingdom. Its database records tenders, contracts and supplier spending so businesses and analysts can see where government money goes. The company's research is widely cited in coverage of public contracting.
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