Machine Learning Engineer jobs in London hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $253,170/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
synthesized.io • HQ: London, United Kingdom • AI Training Data & Annotation • Synthetic Data • 11-50 employees • Est. 2018 • Startup • Trust B • Hiring 3
HQ: London, United Kingdom • AI Training Data & Annotation • Synthetic Data • 11-50 employees • Est. 2018 • Startup • Trust B • Hiring 3
Synthesized generates privacy-preserving synthetic datasets that keep the statistical structure of the original data. Founded in 2018 in London by Cambridge researchers, it targets banks and insurers blocked from sharing real records. Its tooling also rebalances datasets to reduce bias in downstream models.
sequencehq.com • HQ: London, United Kingdom • Startup • Trust B • Hiring 8
HQ: London, United Kingdom • Startup • Trust B • Hiring 8
Sequence automates billing for every custom contract. Get a complete platform for Finance teams to unlock error-free revenue collection at scale. For software companies with custom contracts and hybrid pricing.
smartsheet.com • HQ: Bellevue, United States • Project & Work Management Software • 51-200 employees • Est. 2005 • Trust B • Hiring 84, 11 new
HQ: Bellevue, United States • Project & Work Management Software • 51-200 employees • Est. 2005 • Trust B • Hiring 84, 11 new
Smartsheet is an American work management company founded in 2005 that built a collaborative platform around the spreadsheet interface most business teams already knew rather than asking them to learn project management software. Its customers use it for project and portfolio management, resource planning, approvals and reporting across marketing, construction, professional services and operations teams. Headquartered in Bellevue, Washington, it was listed on the New York Stock Exchange until being taken private by Blackstone and Vista Equity Partners in early 2025.
grahamcapital.com • London • Norwalk • New York • West Palm Beach • Yerevan • Hedge Funds & Alternative Investments • 201-500 employees • Est. 1994 • Trust B • Hiring 10, 1 new
London • Norwalk • New York • West Palm Beach • Yerevan • Hedge Funds & Alternative Investments • 201-500 employees • Est. 1994 • Trust B • Hiring 10, 1 new
Explore Graham, a leading alternative investment manager specializing in quantitative and discretionary global macro trading strategies.
capitalone.com • HQ: McLean, United States • Leasing, Auto & Equipment Finance • Commercial & Retail Banks • Cards & Card Issuing • 5000+ employees • Est. 1994 • Trust B • Hiring 1497, 121 new
HQ: McLean, United States • Leasing, Auto & Equipment Finance • Commercial & Retail Banks • Cards & Card Issuing • 5000+ employees • Est. 1994 • Trust B • Hiring 1497, 121 new
Capital One is an American bank founded in 1994 that began as a credit card monoline built on statistical testing of offers and pricing, an approach it called information-based strategy. It is now one of the largest card issuers in the United States alongside a national direct bank, an auto lending business and a commercial bank, and it completed the acquisition of Discover in 2025, which gave it a payments network of its own rather than dependence on Visa and Mastercard. Headquartered in McLean, Virginia, it was also an early mover among large banks in migrating its entire technology estate to the public cloud.
mediatek.com • HQ: Hsinchu, Taiwan • AI Chips & Accelerators • RF & Wireless Hardware • Processors, MCUs & AI Chips • 1001-5000 employees • Est. 1997 • Trust A • Hiring 369, 7 new
HQ: Hsinchu, Taiwan • AI Chips & Accelerators • RF & Wireless Hardware • Processors, MCUs & AI Chips • 1001-5000 employees • Est. 1997 • Trust A • Hiring 369, 7 new
MediaTek Inc. is a global fabless semiconductor company specializing in system-on-chip (SoC) architectures and digital multimedia processing technologies. The enterprise designs and markets integrated circuits for smartphones, smart home devices, IoT hardware, wireless connectivity solutions, automotive electronics, and custom AI chips for edge and cloud applications. Headquartered in Hsinchu, Taiwan, the organization operates an international network of research, development, and sales offices serving original equipment manufacturers (OEMs) and technology brands worldwide.
Fonoa is a tax technology company founded in 2019 and headquartered in Dublin. Its platform automates indirect tax determination and reporting for digital businesses. The service is used by global marketplaces and platforms.
decagon.ai • HQ: San Francisco, United States • Customer Support & Help Desk Software • AI Agents • Conversational AI • 501-1000 employees • Est. 2023 • Startup • Trust B • Hiring 129, 3 new
HQ: San Francisco, United States • Customer Support & Help Desk Software • AI Agents • Conversational AI • 501-1000 employees • Est. 2023 • Startup • Trust B • Hiring 129, 3 new
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.
accurx.com • HQ: London, United Kingdom • Telemedicine & Virtual Care • Patient Access & Booking • 201-500 employees • Est. 2016 • Startup • Trust A • Hiring 11
HQ: London, United Kingdom • Telemedicine & Virtual Care • Patient Access & Booking • 201-500 employees • Est. 2016 • Startup • Trust A • Hiring 11
Accurx is a London company founded in 2016 that builds communication software for the National Health Service. Its tools let general practices and hospitals message patients, run video consultations and coordinate between care teams. The software is used by almost every general practice in England.
drw.com • HQ: Chicago, United States • Hedge Funds & Alternative Investments • 1001-5000 employees • Est. 1992 • Trust B • Hiring 149, 6 new
HQ: Chicago, United States • Hedge Funds & Alternative Investments • 1001-5000 employees • Est. 1992 • Trust B • Hiring 149, 6 new
DRW is a proprietary trading firm active across futures, options, fixed income and digital assets. It builds its own low-latency technology and quantitative research infrastructure. The firm also invests in real estate, venture and cryptocurrency ventures.
The Tonic Consultancy is an expertise-led capital markets consultancy that works across the front-to-back trade lifecycle. It offers transformation and cross-domain expertise to financial clients and hires talent and domain leads, including for artificial intelligence. The company is headquartered in London, United Kingdom.
augur.ml • HQ: London, United Kingdom • Computer Vision • Video Surveillance • Est. 2023 • Startup • Hiring 3
HQ: London, United Kingdom • Computer Vision • Video Surveillance • Est. 2023 • Startup • Hiring 3
Augur provides sensor fusion and machine learning solutions for security that turn legacy sensor systems into real-time operational intelligence. Its platform connects to existing cameras and sensors to detect threats and retrace events, and the company hires deployment, machine learning and robotics engineers. The company is headquartered in London, United Kingdom.
starlingbank.com • HQ: London, United Kingdom • Commercial & Retail Banks • Financial Software & Embedded Finance • Digital Banks & Neobanks • 1001-5000 employees • Est. 2014 • Trust A • Hiring 40, 8 new
HQ: London, United Kingdom • Commercial & Retail Banks • Financial Software & Embedded Finance • Digital Banks & Neobanks • 1001-5000 employees • Est. 2014 • Trust A • Hiring 40, 8 new
Starling Bank is a British digital bank headquartered in London that offers personal, joint, business, multi-currency and children's accounts through a mobile app, with no branches and its own proprietary banking platform. Founded in 2014 by Anne Boden, it serves more than four million accounts from offices in London, Cardiff, Southampton and Manchester and licenses its technology to other banks as the software-as-a-service business Engine by Starling. It hires software, infrastructure, cloud security and mobile engineers, security architects and penetration testers, finance and legal professionals, and customer service team leads.
deepmirror.ai • HQ: London, United Kingdom • Drug Discovery • Drug Discovery AI • 51-200 employees • Est. 2019 • Startup • Hiring 1
HQ: London, United Kingdom • Drug Discovery • Drug Discovery AI • 51-200 employees • Est. 2019 • Startup • Hiring 1
deepmirror is an AI-native drug design platform built around curated, non-public experimental molecule property measurements such as potency, binding and ADMET. It helps chemistry teams choose the next best experiments, has been used by hundreds of chemists since launching in 2023 and hires machine learning engineers. The company is headquartered in London, United Kingdom.
newday.co.uk • HQ: London, United Kingdom • Cards & Card Issuing • Consumer Loans & Pawnshops • Trust B • Hiring 9, 2 new
HQ: London, United Kingdom • Cards & Card Issuing • Consumer Loans & Pawnshops • Trust B • Hiring 9, 2 new
Brands Home Who we are Brands Who we are Overview Brands Leadership Board of Directors Our Leadership News and Awards Our brands We create category leading credit brands that meet specific consumer needs in market. Our brand portfolio includes our own brands and partner brands.
airapps.co • HQ: San Francisco, United States • Consumer & Utility Software • Office & Productivity Software • 1001-5000 employees • Est. 2017 • Trust A • Hiring 424
HQ: San Francisco, United States • Consumer & Utility Software • Office & Productivity Software • 1001-5000 employees • Est. 2017 • Trust A • Hiring 424
Founded in 2017, Air Apps is a prominent mobile software developer specializing in AI-driven utility, productivity, and personal management applications. Headquartered in San Francisco, California, United States, the enterprise operates a remote-first global team that designs and manages a broad portfolio of digital tools. Through its bundled subscription model and suite of user-friendly mobile solutions, it provides millions of consumers worldwide with streamlined options for daily organization, translation, and task automation.
pipedrive.com • HQ: New York, United States • CRM Software • 501-1000 employees • Est. 2010 • Trust B • Hiring 8
HQ: New York, United States • CRM Software • 501-1000 employees • Est. 2010 • Trust B • Hiring 8
Pipedrive is a sales CRM for small and medium-sized businesses, helping teams track pipelines, manage deals and automate sales work. Founded in 2010 in Estonia, it has major offices in Tallinn, Tartu, Lisbon, Dublin, London and Berlin. The company is headquartered in New York City, United States.
reasonable.io • San Francisco • London • Budapest • AI Governance & Compliance • AI Agents • Trust B • Hiring 4
San Francisco • London • Budapest • AI Governance & Compliance • AI Agents • Trust B • Hiring 4
Reasonable is building the verification layer for mission-critical software development, making formal correctness guarantees accessible to every software engineer.
lucis.life • HQ: Paris, France • Consumer Health Apps • Precision Medicine • Health Care • 51-200 employees • Startup • Trust B • Hiring 10
HQ: Paris, France • Consumer Health Apps • Precision Medicine • Health Care • 51-200 employees • Startup • Trust B • Hiring 10
Lucis is your health companion. 110+ data points, 11 body systems, 450+ labs in Europe. Understand your biology and act on what matters. From €490/year.
