Backend Developer jobs in London hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $213,465/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
paloaltonetworks.com · HQ: Santa Clara, United States · Endpoint Security · Threat Intelligence · Security Operations · Cloud Security · Network Security · 1001-5000 employees · Est. 2005 · Trust B · Hiring 1077, 86 new
HQ: Santa Clara, United States · Endpoint Security · Threat Intelligence · Security Operations · Cloud Security · Network Security · 1001-5000 employees · Est. 2005 · Trust B · Hiring 1077, 86 new
Palo Alto Networks is a cybersecurity company headquartered in Santa Clara, California, selling next-generation firewalls and SASE network security, the Prisma and Cortex platforms for cloud security and security operations, and Unit 42 threat intelligence and incident response services. Founded in 2005 by Nir Zuk and listed on Nasdaq, it reports more than 16,000 employees and over 70,000 customers, with major engineering centres in Israel and India and offices across the Americas, Europe and Asia. It hires software engineers, product managers and designers, solutions consultants, account managers, go-to-market strategists and legal and sourcing staff.
relx.com · HQ: London, United Kingdom · Exhibitions · Legal Software · Financial Data & Market Intelligence · Publishing · 1001-5000 employees · Est. 1993 · NYSE: RELX · Trust A · Hiring 683, 62 new
HQ: London, United Kingdom · Exhibitions · Legal Software · Financial Data & Market Intelligence · Publishing · 1001-5000 employees · Est. 1993 · NYSE: RELX · Trust A · Hiring 683, 62 new
RELX is a British information and analytics group formed in 1993 through the merger of Reed International and the Dutch publisher Elsevier, and it has since converted a print publishing business into a subscription data company. It operates four divisions: Elsevier in scientific and medical research, risk analytics covering insurance and financial crime screening, legal information through LexisNexis, and the exhibitions business RX. Headquartered in London and listed in London, Amsterdam and New York, it derives the large majority of revenue from electronic products and analytics rather than print.
codurance.com · HQ: London, United Kingdom · Custom Software Development · IT Consulting & Digital Transformation · Est. 2013 · Hiring 6, 1 new
HQ: London, United Kingdom · Custom Software Development · IT Consulting & Digital Transformation · Est. 2013 · Hiring 6, 1 new
Codurance is a global software consultancy firm focused on helping businesses modernize their technical capabilities and build sustainable growth. With a dedication to Software Craftsmanship, Codurance emphasizes professionalism and technical excellence in software development. The company offers a range of services, including software modernization, product development, and cloud engineering, tailored to help clients solve complex challenges and achieve their business goals.
theflex.io · Paris · Belfast · Tunis · Jakarta · Kuala Lumpur · Manufacturing & Industrial Software · Healthcare & Life Sciences Consulting · Hiring 2
Paris · Belfast · Tunis · Jakarta · Kuala Lumpur · Manufacturing & Industrial Software · Healthcare & Life Sciences Consulting · Hiring 2
Theflex.io (The Flex) is an electronic Quality Management System (eQMS) designed for startups and scale-ups. It is built natively on Microsoft 365 to help teams manage quality, compliance, and documentation without the complexity of traditional enterprise systems.
webbyfox.co.uk · London · Software · Web Development Services · Est. 2012 · Hiring 2
London · Software · Web Development Services · Est. 2012 · Hiring 2
UK Python web development agency. Senior engineers building Django web applications and FastAPI services, upgrading legacy codebases and extending in-house teams.
≈ $84k – $171k per year (Estimated) · Senior · 5+ years exp · London · Remote (United States, United Kingdom, US time zones hours) · Bachelor's Degree · Senior
wayve.ai · HQ: London, United Kingdom · Machine Learning · Autonomous Driving · 501-1000 employees · Est. 2017 · Startup · Hiring 173, 8 new
HQ: London, United Kingdom · Machine Learning · Autonomous Driving · 501-1000 employees · Est. 2017 · Startup · Hiring 173, 8 new
Wayve is a British autonomous driving company founded in Cambridge in 2017 that trains end-to-end neural networks to drive rather than assembling hand-written rules around high-definition maps. Its AI Driver learns from camera video and can be deployed on standard vehicle sensor sets, which is what lets the company demonstrate driving in cities it has never mapped. Headquartered in London and backed by a one billion dollar SoftBank-led round plus investment from NVIDIA, Microsoft and Uber, it partners with carmakers to ship assisted driving software and is developing fully driverless deployments.
sky.com · HQ: Isleworth, United Kingdom · MVNO · Streaming & OTT Platforms · Broadcasting · Broadband · 1001-5000 employees · Est. 1990 · Trust B · Hiring 64, 9 new
HQ: Isleworth, United Kingdom · MVNO · Streaming & OTT Platforms · Broadcasting · Broadband · 1001-5000 employees · Est. 1990 · Trust B · Hiring 64, 9 new
Sky is a European media and telecommunications company headquartered at Osterley in west London that sells pay TV, streaming, broadband and mobile services and produces and broadcasts sports, news and entertainment. Founded in 1990 and owned by the US group Comcast since 2018, it operates in the United Kingdom, Ireland, Italy and Germany, runs the Sky Mobile service, and has large customer contact and technology sites in Livingston, Leeds and other cities. It hires retail and contact centre sales advisors, finance analysts, product and project managers, reliability engineers, risk investigators and creative trailer editors.
sevenrooms.com · HQ: New York, United States · Artificial Intelligence · Customer & Retention Analytics · Hotels & Resorts · Scheduling & Booking Software · CRM Software · 51-200 employees · Est. 2011 · Trust A · Hiring 9
HQ: New York, United States · Artificial Intelligence · Customer & Retention Analytics · Hotels & Resorts · Scheduling & Booking Software · CRM Software · 51-200 employees · Est. 2011 · Trust A · Hiring 9
SevenRooms was founded on understanding the human side of customer interactions. Find out how we help hospitality brands create meaningful guest relationships.
oaknorth.com · HQ: London, United Kingdom · Financial Software & Embedded Finance · Commercial & Retail Banks · Business & SME Lending · 201-500 employees · Est. 2015 · Hiring 24, 6 new
HQ: London, United Kingdom · Financial Software & Embedded Finance · Commercial & Retail Banks · Business & SME Lending · 201-500 employees · Est. 2015 · Hiring 24, 6 new
OakNorth is a London bank founded in 2015 that lends to mid-sized businesses using its own credit analysis platform. Its ON Credit Intelligence software models borrower performance in granular sector detail and is licensed to banks in the United States and Europe. The company has lent billions of pounds while keeping loss rates unusually low for the segment.
perplexity.ai · HQ: San Francisco, United States · Foundation Models · LLM & Generative AI · Search Engines · AI Search · 1001-5000 employees · Est. 2022 · Trust B · Hiring 137, 9 new
HQ: San Francisco, United States · Foundation Models · LLM & Generative AI · Search Engines · AI Search · 1001-5000 employees · Est. 2022 · Trust B · Hiring 137, 9 new
Perplexity AI is an American company that builds an answer engine combining live web search with large language models to return sourced, conversational responses instead of a list of links. Its products span a consumer assistant on web and mobile, the Comet browser, enterprise search over internal documents and the Sonar developer API that exposes the same grounded retrieval stack. Founded in 2022 in San Francisco by former researchers and engineers from OpenAI, Meta and Databricks, the company is backed by NVIDIA, IVP, New Enterprise Associates and SoftBank.
$220k – $405k per year · Staff+ · 4+ years exp · In office (San Francisco, Seattle, New York, United States, London, United Kingdom, Toronto, Canada) · Full-Time · Staff
$220k – $405k per year · Staff+ · 4+ years exp · Hybrid (San Francisco, Austin, Seattle, New York, United States, London, United Kingdom) · Full-Time · Staff
tesco.com · HQ: Welwyn Garden City, United Kingdom · Retail & Shop Systems · Online Groceries · 5000+ employees · Est. 1919 · Trust A · Hiring 554, 188 new
HQ: Welwyn Garden City, United Kingdom · Retail & Shop Systems · Online Groceries · 5000+ employees · Est. 1919 · Trust A · Hiring 554, 188 new
Tesco is a leading British multinational retailer that stands as the largest grocery store chain in the United Kingdom. Headquartered in Welwyn Garden City, England, the company operates thousands of supermarkets, convenience stores, and a major e-commerce platform. It offers a wide variety of products ranging from fresh food and clothing to household items and financial services.
hsbc.com · HQ: London, United Kingdom · Wealth Management & Financial Advisors · Investment Banking & M&A Advisory · Commercial & Retail Banks · 5000+ employees · Est. 1865 · Trust A · Hiring 236, 88 new
HQ: London, United Kingdom · Wealth Management & Financial Advisors · Investment Banking & M&A Advisory · Commercial & Retail Banks · 5000+ employees · Est. 1865 · Trust A · Hiring 236, 88 new
HSBC is a global banking and financial services group headquartered in London, England, whose holding company HSBC Holdings plc serves personal, wealth, commercial and investment banking customers through businesses in Asia, Europe, the Middle East and the Americas. Established in 1865 to finance trade between Europe and Asia, it is listed in London, Hong Kong and New York and runs subsidiaries such as HSBC Qianhai Securities in Shenzhen and large service centres in India, Poland, Malaysia and Mexico. It hires relationship and premier financial managers, sales and call centre advisers, business analysts, QA managers, developers, underwriters and leveraged finance associates.
kast.xyz · Dubai · London · San Francisco · Colombo · Dublin · Digital Banks & Neobanks · Cryptocurrencies · 51-200 employees · Startup · Hiring 7, 3 new
Dubai · London · San Francisco · Colombo · Dublin · Digital Banks & Neobanks · Cryptocurrencies · 51-200 employees · Startup · Hiring 7, 3 new
KAST is a fintech company that provides a global, stablecoin-powered financial platform designed for borderless spending, saving, and money transfers. Operating similarly to a digital neobank, it offers users virtual USD and EU account details along with Visa debit cards that convert digital assets into fiat at checkout. The platform enables freelancers, remote workers, and global users to earn yield on idle balances, send low-cost international transfers, and receive real-time rewards.
moonpig.com · HQ: London, United Kingdom · E-commerce Platforms · Gifts, Party Supplies & Souvenirs · 51-200 employees · Est. 2000 · Hiring 10, 1 new
HQ: London, United Kingdom · E-commerce Platforms · Gifts, Party Supplies & Souvenirs · 51-200 employees · Est. 2000 · Hiring 10, 1 new
Moonpig is a London company founded in 2000 that sells personalised greeting cards and gifts online. Its technology handles mass customisation, print production and reminder driven repeat purchasing at very high volumes. The company is listed in London and also owns the Dutch business Greetz.
echobox.com · HQ: London, United Kingdom · Artificial Intelligence · Data & Analytics · Media & Entertainment · Digital Media · Social Media Marketing · 201-500 employees · Startup · Hiring 5, 2 new
HQ: London, United Kingdom · Artificial Intelligence · Data & Analytics · Media & Entertainment · Digital Media · Social Media Marketing · 201-500 employees · Startup · Hiring 5, 2 new
Unify social publishing, newsletters, realtime analytics, benchmarking, reporting and creative production in one AI-powered platform built for publishers.
zscaler.com · HQ: San Jose, United States · Network Security · Cloud Security · 5000+ employees · Est. 2007 · Trust B · Hiring 303, 35 new
HQ: San Jose, United States · Network Security · Cloud Security · 5000+ employees · Est. 2007 · Trust B · Hiring 303, 35 new
Zscaler is an American cloud security company founded in 2007 that routes an organisation's internet and application traffic through its own global network of data centres for inspection. This replaces the appliances that traditionally sat at an office perimeter and underpins its two main products: a secure web gateway that inspects outbound traffic, and a zero trust access service that connects users to individual internal applications without putting them on the corporate network. Headquartered in San Jose and listed on Nasdaq, it also sells cloud posture management, data protection and a security operations product built on the traffic it already inspects.
insulet.com · HQ: Acton, United States · Diabetes Devices · 1001-5000 employees · Est. 2000 · NASDAQ: PODD · Trust A · Hiring 146, 22 new
HQ: Acton, United States · Diabetes Devices · 1001-5000 employees · Est. 2000 · NASDAQ: PODD · Trust A · Hiring 146, 22 new
Insulet is an American medical device company that develops and manufactures the Omnipod tubeless insulin pump system, a wearable, disposable pod that delivers insulin for up to three days and works with automated insulin delivery software for people with diabetes. Founded in 2000 and listed on Nasdaq, it runs manufacturing in Acton, Massachusetts and in Malaysia and sells across the United States, Europe and other markets. The company is headquartered in Acton, Massachusetts, United States.
corpay.com · HQ: Atlanta, United States · Payment Processing & Gateways · Currency Exchange & FX Payments · Procurement & Spend Management · Cards & Card Issuing · 5000+ employees · Est. 1986 · NYSE: CPAY · Trust A · Hiring 104, 13 new
HQ: Atlanta, United States · Payment Processing & Gateways · Currency Exchange & FX Payments · Procurement & Spend Management · Cards & Card Issuing · 5000+ employees · Est. 1986 · NYSE: CPAY · Trust A · Hiring 104, 13 new
Corpay is a global business payments company that provides comprehensive solutions for managing corporate expenses, including fuel cards, lodging, and automated accounts payable systems. As a leader in spend management, the firm helps organizations of all sizes streamline financial workflows, control costs, and gain tighter visibility into their spending. Additionally, the company offers extensive cross-border payment and currency risk management services, enabling businesses to facilitate international transactions more efficiently and securely.
