Backend Developer jobs in London hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $190,840/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
pelagohealth.com · HQ: New York, United States · Health Care · Health Insurance & Benefits · Telemedicine & Virtual Care · Addiction Treatment · Est. 2017 · Startup · Trust A · Hiring 10, 1 new
HQ: New York, United States · Health Care · Health Insurance & Benefits · Telemedicine & Virtual Care · Addiction Treatment · Est. 2017 · Startup · Trust A · Hiring 10, 1 new
Pelago is a New York digital health company founded in 2017 that treats substance use, including tobacco, alcohol and opioids. Its programme combines clinicians, medication and behavioural therapy delivered through an app. The company sells to employers and health plans and publishes clinical outcome data.
simplemachines.com · London · Sydney · Christchurch · Liverpool · Data Engineering & Migration Services · Analytics & BI Consulting · Trust A · Hiring 13
London · Sydney · Christchurch · Liverpool · Data Engineering & Migration Services · Analytics & BI Consulting · Trust A · Hiring 13
We're a specialist firm of expert consultants, data architects and engineers building the next generation of data driven organisations.
lyst.com · HQ: London, United Kingdom · Luxury Retail · Marketplaces · 51-200 employees · Est. 2010 · Hiring 9
HQ: London, United Kingdom · Luxury Retail · Marketplaces · 51-200 employees · Est. 2010 · Hiring 9
Lyst is a global fashion shopping platform that brings premium and luxury fashion from about 27,000 brands and stores into one place, serving over 160 million shoppers a year. It became part of Zozo, the operator of Zozotown, in 2025 and hires customer operations, partner sales, business development and analytics staff. The company is headquartered in London, United Kingdom.
sportradar.com · HQ: Sankt Gallen, Switzerland · iGaming & Gambling · Sports · Sports Betting · Sports Analytics · Fan Engagement · 1001-5000 employees · Est. 2001 · Trust B · Hiring 89, 18 new
HQ: Sankt Gallen, Switzerland · iGaming & Gambling · Sports · Sports Betting · Sports Analytics · Fan Engagement · 1001-5000 employees · Est. 2001 · Trust B · Hiring 89, 18 new
Sportradar is a Swiss company founded in 2001 that collects live sports data and sells it to betting operators, media companies and sports leagues, and it holds exclusive rights to distribute data from the NBA, NHL, ATP and many other competitions. Its business is a licensing chain: it pays leagues for official data rights, sends people to capture the feed reliably from the venue, and resells it to bookmakers who cannot price in-play markets without it. Headquartered in Sankt Gallen and listed on Nasdaq, it also operates integrity services that monitor betting patterns for match-fixing on behalf of federations.
brain.co · HQ: San Francisco, United States · AI Consulting & Integration · AI Agents · Startup · Trust A · Hiring 46, 6 new
HQ: San Francisco, United States · AI Consulting & Integration · AI Agents · Startup · Trust A · Hiring 46, 6 new
Brain Co. is an American AI company that builds agent-native operating systems for large, regulated institutions, with each system built for a specific industry. Its systems run on Atlas, a proprietary platform that keeps customers in control and avoids lock-in to one model, and it hires AI platform, ML, product and security engineers. The company is headquartered in San Francisco, California, United States.
hammermissions.com · HQ: London, United Kingdom · Drone AI · Computer Vision · Startup · Hiring 1
HQ: London, United Kingdom · Drone AI · Computer Vision · Startup · Hiring 1
AI inspection software for engineering firms and asset owners. Capture with drones or 3D Lidar, detect defects with AI, and produce defensible condition reports.
accurx.com · HQ: London, United Kingdom · Telemedicine & Virtual Care · Patient Access & Booking · 201-500 employees · Est. 2016 · Startup · Trust A · Hiring 13, 1 new
HQ: London, United Kingdom · Telemedicine & Virtual Care · Patient Access & Booking · 201-500 employees · Est. 2016 · Startup · Trust A · Hiring 13, 1 new
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.
worldquant.com · HQ: Old Greenwich, United States · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 2007 · Trust B · Hiring 78
HQ: Old Greenwich, United States · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 2007 · Trust B · Hiring 78
Headquartered in Old Greenwich, Connecticut, WorldQuant is a global quantitative investment management firm and hedge fund. The company develops and deploys systematic trading strategies, predictive algorithmic signals ("alphas"), and data-driven portfolio management models across global equity and financial markets. By combining advanced machine learning, massive financial datasets, and a distributed international network of quantitative researchers, it systematically identifies market inefficiencies to generate consistent, risk-adjusted investment returns.
unmind.com · HQ: London, United Kingdom · HR & Payroll Software · Digital Mental Health · 51-200 employees · Est. 2016 · Startup · Hiring 2
HQ: London, United Kingdom · HR & Payroll Software · Digital Mental Health · 51-200 employees · Est. 2016 · Startup · Hiring 2
Unmind provides a B2B mental health platform that delivers clinically-backed tools and training for organisations. Unmind is based out of London, United Kingdom.
9fin.com · HQ: London, United Kingdom · Financial AI · Financial Data & Market Intelligence · 201-500 employees · Est. 2016 · Trust B · Hiring 31, 2 new
HQ: London, United Kingdom · Financial AI · Financial Data & Market Intelligence · 201-500 employees · Est. 2016 · Trust B · Hiring 31, 2 new
9fin is a financial technology company headquartered in London, United Kingdom, and was founded in 2016. The company provides an AI-powered intelligence platform for the debt capital markets, offering real-time news, data, and analytics on leveraged finance, private credit, and distressed debt. It serves global investment banks, asset managers, hedge funds, and law firms, operating primarily in the European and North American financial markets.
edenred.com · HQ: Issy-les-Moulineaux, France · Gift Cards & Loyalty Programs · Human Resources · Payment Processing & Gateways · Cards & Card Issuing · 5000+ employees · Est. 2010 · Trust A · Hiring 213, 4 new
HQ: Issy-les-Moulineaux, France · Gift Cards & Loyalty Programs · Human Resources · Payment Processing & Gateways · Cards & Card Issuing · 5000+ employees · Est. 2010 · Trust A · Hiring 213, 4 new
Edenred is a French company separated from the hospitality group Accor in 2010, and it operates the meal voucher and employee benefit schemes that tax rules in many countries make worth using. Its business is built on float and network effects: employers prepay for benefits, employees spend them at affiliated merchants, and the company earns commission from merchants and fees from employers while holding the balances in between. Headquartered near Paris and listed on Euronext, it also runs fuel and fleet payment cards and corporate payment services across some forty-five countries.
alphasights.com · New York · Dubai · San Francisco · Tokyo · Shanghai · Market Research · Management Consulting · 201-500 employees · Est. 2008 · Trust A · Hiring 22
New York · Dubai · San Francisco · Tokyo · Shanghai · Market Research · Management Consulting · 201-500 employees · Est. 2008 · Trust A · Hiring 22
AlphaSights is the global leader in knowledge on-demand. We provide frictionless access to the expert insights that matter.
nous.co · HQ: London, United Kingdom · Personal Finance Apps & Education · 1-10 employees · Startup · Trust B · Hiring 8
HQ: London, United Kingdom · Personal Finance Apps & Education · 1-10 employees · Startup · Trust B · Hiring 8
Life is simpler and fairer with Nous on your side. It checks the details, sorts the things you don’t have time for and helps you feel in control. Get started with your postcode.
withbasis.co · HQ: San Francisco, United States · AI Training Data & Annotation · Startup · Trust A · Hiring 28
HQ: San Francisco, United States · AI Training Data & Annotation · Startup · Trust A · Hiring 28
Basis is a company that supplies human expertise and data to frontier AI developers and describes itself as the human foundation behind frontier AI. Its customers include leading research institutions, and it hires founding engineers, machine learning engineers and forward deployed engineers. The company is headquartered in San Francisco, United States.
litta.co.uk · HQ: Potters Bar, United Kingdom · Waste Management · Est. 2017 · Hiring 1
HQ: Potters Bar, United Kingdom · Waste Management · Est. 2017 · Hiring 1
Litta™ is a company that provides rubbish and waste removal services all over the UK. Pre-book your service in a few clicks with our easy-to-use online booking and secure payment system.
ki-insurance.com · HQ: London, United Kingdom · Property & Casualty Insurance · Est. 2020 · Trust B · Hiring 17
HQ: London, United Kingdom · Property & Casualty Insurance · Est. 2020 · Trust B · Hiring 17
Ki is a London insurance company launched in 2020 as the first fully algorithmic syndicate at Lloyd's. Brokers place follow capacity through a digital platform that quotes automatically rather than through underwriter meetings. The company was created by Brit with backing from Google and university research partners.
munichre.com · HQ: Munich, Germany · Life Insurance & Annuities · Property & Casualty Insurance · Reinsurance · 1001-5000 employees · Est. 1880 · Trust B · Hiring 1148, 44 new
HQ: Munich, Germany · Life Insurance & Annuities · Property & Casualty Insurance · Reinsurance · 1001-5000 employees · Est. 1880 · Trust B · Hiring 1148, 44 new
Munich Re is a German reinsurance and insurance group headquartered in Munich, providing reinsurance, primary insurance and insurance-related risk solutions to clients worldwide. Founded in 1880 and listed in the DAX, it is the largest reinsurer in the world, and its group includes the primary insurer ERGO, the asset manager MEAG, Hartford Steam Boiler, Munich Re Specialty and Munich Reinsurance America. Recent openings span treaty and liability underwriters, technical accountants, financial risk analysts, credit controllers, software engineers and interns, as well as insurance sales apprentices and agents for ERGO in Germany.
