Backend Developer jobs in United Kingdom hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $187,986/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
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8,751 remote jobs are open to candidates in United Kingdom.Show remote jobs
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, 1 new
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, 1 new
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 25, 6 new
HQ: London, United Kingdom • Financial Software & Embedded Finance • Commercial & Retail Banks • Business & SME Lending • 201-500 employees • Est. 2015 • Hiring 25, 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 130, 10 new
HQ: San Francisco, United States • Foundation Models • LLM & Generative AI • Search Engines • AI Search • 1001-5000 employees • Est. 2022 • Trust B • Hiring 130, 10 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 602, 228 new
HQ: Welwyn Garden City, United Kingdom • Retail & Shop Systems • Online Groceries • 5000+ employees • Est. 1919 • Trust A • Hiring 602, 228 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.
threecolts.com • HQ: New York, Wilmington, United States • Marketplaces • E-commerce Platforms • Commerce • 201-500 employees • Est. 2021 • Likely startup • Hiring 11, 3 new
HQ: New York, Wilmington, United States • Marketplaces • E-commerce Platforms • Commerce • 201-500 employees • Est. 2021 • Likely startup • Hiring 11, 3 new
Threecolts is a company founded in 2021 that acquires and operates software for marketplace sellers. Its portfolio covers repricing, customer service, accounting and analytics tools for Amazon and Walmart merchants. The group serves tens of thousands of sellers.
frontierag.co.uk • HQ: London, United Kingdom • Wholesale • Farming & Agriculture • 501-1000 employees • Est. 2005 • Trust B • Hiring 9, 2 new
HQ: London, United Kingdom • Wholesale • Farming & Agriculture • 501-1000 employees • Est. 2005 • Trust B • Hiring 9, 2 new
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gitlab.com • HQ: San Francisco, United States • DevSecOps • Developer Tools • DevOps & Platform Engineering • 1001-5000 employees • Est. 2011 • Trust A • Hiring 236, 28 new
HQ: San Francisco, United States • DevSecOps • Developer Tools • DevOps & Platform Engineering • 1001-5000 employees • Est. 2011 • Trust A • Hiring 236, 28 new
GitLab is a company founded in 2011 around an open source alternative to GitHub that grew into a single application covering the whole software delivery lifecycle. Its platform combines source control, code review, continuous integration and deployment, package registries, security scanning and project planning in one product rather than a set of integrated tools, which appeals to organisations wanting fewer vendors in the toolchain. Listed on Nasdaq since 2021, the company is known for operating with no offices at all and for publishing an unusually detailed public handbook describing how it runs itself.
$153k – $259k per year • Equity • Staff+ • United States • United Kingdom • Canada • Israel • Remote (United States, United Kingdom, Canada, Israel) • PhD • Staff
zaizi.com • HQ: London, United Kingdom • Cybersecurity • Artificial Intelligence • Government • 51-200 employees • Est. 2007 • Trust A • Hiring 14, 3 new
HQ: London, United Kingdom • Cybersecurity • Artificial Intelligence • Government • 51-200 employees • Est. 2007 • Trust A • Hiring 14, 3 new
Zaizi is a London technology company founded in 2007 that builds secure digital services for government. Its teams deliver content management, data platforms and cloud services for departments handling sensitive information. The company holds security clearances and works on border, justice and defence programmes.
version1.com • HQ: Dublin, Ireland • Managed IT Services (MSP) • Enterprise Apps Implementation Partners • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 1996 • IT services • Trust B • Hiring 130, 14 new
HQ: Dublin, Ireland • Managed IT Services (MSP) • Enterprise Apps Implementation Partners • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 1996 • IT services • Trust B • Hiring 130, 14 new
Version 1 is an Irish technology services company founded in Dublin in 1996 that delivers digital transformation, enterprise applications and managed services to public sector bodies and large private organisations. Its practices cover cloud migration on the major hyperscalers, Oracle and Microsoft enterprise applications, custom software engineering, data and artificial intelligence, and infrastructure managed services, with much of its revenue coming from British and Irish government contracts. The company is headquartered in Dublin, employs several thousand people across Ireland, the United Kingdom, India and North America, and is majority owned by Partners Group.
addepar.com • HQ: Mountain View, United States • Financial Data & Market Intelligence • Financial Software & Embedded Finance • 1001-5000 employees • Est. 2009 • Trust B • Hiring 99, 7 new
HQ: Mountain View, United States • Financial Data & Market Intelligence • Financial Software & Embedded Finance • 1001-5000 employees • Est. 2009 • Trust B • Hiring 99, 7 new
Addepar is an American financial technology company founded in 2009 by early Palantir employees who found that wealthy families and their advisers had no reliable way to see all their assets in one place. Its platform aggregates holdings across custodians, private funds, property and operating businesses, then reports performance and exposure across the whole picture, which conventional portfolio systems built for listed securities cannot do. Headquartered in Mountain View and privately held, it serves registered investment advisers, family offices and private banks tracking trillions of dollars in assets.
kaluza.com • HQ: London, United Kingdom • Billing & Subscription Management • Smart Grid • Energy Management • 51-200 employees • Est. 2019 • Startup • Trust B • Hiring 35, 6 new
HQ: London, United Kingdom • Billing & Subscription Management • Smart Grid • Energy Management • 51-200 employees • Est. 2019 • Startup • Trust B • Hiring 35, 6 new
Kaluza is a London energy software company that grew out of OVO Energy and became a separate business in 2019. Its platform runs retail energy billing and orchestrates flexible devices such as electric vehicles and heat pumps to shift demand. The company licenses the technology to energy retailers in Britain, Europe, Japan and Australia.
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 263, 45 new
HQ: London, United Kingdom • Wealth Management & Financial Advisors • Investment Banking & M&A Advisory • Commercial & Retail Banks • 5000+ employees • Est. 1865 • Trust A • Hiring 263, 45 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.
graphcore.ai • HQ: Bristol, United Kingdom • AI Chips & Accelerators • Processors, MCUs & AI Chips • 1001-5000 employees • Est. 2016 • Trust A • Hiring 197, 46 new
HQ: Bristol, United Kingdom • AI Chips & Accelerators • Processors, MCUs & AI Chips • 1001-5000 employees • Est. 2016 • Trust A • Hiring 197, 46 new
Graphcore is a British semiconductor company founded in Bristol in 2016 that designs the Intelligence Processing Unit, a processor architected specifically for machine learning rather than adapted from graphics. Its chips place large amounts of memory directly on the die and expose fine-grained parallelism, an approach aimed at sparse and irregular models that map poorly onto conventional accelerators. The company sells IPU systems and the Poplar software stack to research and enterprise customers, and has operated as a wholly owned subsidiary of SoftBank Group since its acquisition in 2024.
kast.xyz • Dubai • London • San Francisco • Colombo • Dublin • Digital Banks & Neobanks • Cryptocurrencies • 51-200 employees • Startup • Hiring 5, 1 new
Dubai • London • San Francisco • Colombo • Dublin • Digital Banks & Neobanks • Cryptocurrencies • 51-200 employees • Startup • Hiring 5, 1 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.
bt.com • HQ: London, United Kingdom • Telecommunications • Broadband • 5000+ employees • Est. 2001 • Trust A • Hiring 77, 30 new
HQ: London, United Kingdom • Telecommunications • Broadband • 5000+ employees • Est. 2001 • Trust A • Hiring 77, 30 new
BT Group is the largest telecommunications provider in the United Kingdom, with roots in the electric telegraph company founded in 1846. It runs consumer broadband and mobile through EE, enterprise networking and the Openreach access network. The company employs tens of thousands of engineers and operates one of the biggest research sites in Britain at Adastral Park.
suttonpcns.co.uk • Sutton • Health Care • Primary Care & Medical Centers • Hiring 1, 1 new
Sutton • Health Care • Primary Care & Medical Centers • Hiring 1, 1 new
Sutton Primary Care Networks is the collaborative vehicle for the four Sutton PCNs and the former Sutton GP Federation working together as a single entity.
slice.careers • Skopje • Pristina • Belfast • Debar • New York • E-commerce Platforms • Marketplaces • Likely startup • Trust B • Hiring 21, 2 new
Skopje • Pristina • Belfast • Debar • New York • E-commerce Platforms • Marketplaces • Likely startup • Trust B • Hiring 21, 2 new
Slice is a technology company supporting independent small businesses such as local pizzerias with technology, services and collective buying power. It serves tens of thousands of restaurants, and its job ads seek engineers, social media coordinators and customer experience representatives in Skopje, Pristina and Belfast. The company is based in the United States.
providecommunity.org.uk • HQ: Colchester, United Kingdom • Care Coordination & Population Health • Home Care Services • Hiring 1, 1 new
HQ: Colchester, United Kingdom • Care Coordination & Population Health • Home Care Services • Hiring 1, 1 new
Provide Community is a British community interest company delivering community health and care services. It serves people in Essex, East Anglia, Dorset and northern England and hires information systems and workforce data specialists. The company is headquartered in Colchester, England, United Kingdom.
