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.
webbyfox.co.uk • London • Software • Web Development Services • Est. 2012 • Hiring 2, 2 new
London • Software • Web Development Services • Est. 2012 • Hiring 2, 2 new
UK Python web development agency. Senior engineers building Django web applications and FastAPI services, upgrading legacy codebases and extending in-house teams.
≈ $84k – $158k 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 175, 11 new
HQ: London, United Kingdom • Machine Learning • Autonomous Driving • 501-1000 employees • Est. 2017 • Startup • Hiring 175, 11 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 • Est. 1990 • Likely startup • Trust B • Hiring 73, 7 new
HQ: Isleworth, United Kingdom • MVNO • Streaming & OTT Platforms • Broadcasting • Broadband • Est. 1990 • Likely startup • Trust B • Hiring 73, 7 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, 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 21, 7 new
HQ: London, United Kingdom • Financial Software & Embedded Finance • Commercial & Retail Banks • Business & SME Lending • 201-500 employees • Est. 2015 • Hiring 21, 7 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 643, 231 new
HQ: Welwyn Garden City, United Kingdom • Retail & Shop Systems • Online Groceries • 5000+ employees • Est. 1919 • Trust A • Hiring 643, 231 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.
kaluza.com • HQ: London, United Kingdom • Billing & Subscription Management • Smart Grid • Energy Management • 51-200 employees • Est. 2019 • Startup • Trust B • Hiring 36, 6 new
HQ: London, United Kingdom • Billing & Subscription Management • Smart Grid • Energy Management • 51-200 employees • Est. 2019 • Startup • Trust B • Hiring 36, 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.
wise.com • HQ: London, United Kingdom • Currency Exchange & FX Payments • Money Transfer & Remittances • 1001-5000 employees • Est. 2011 • Trust B • Hiring 381, 82 new
HQ: London, United Kingdom • Currency Exchange & FX Payments • Money Transfer & Remittances • 1001-5000 employees • Est. 2011 • Trust B • Hiring 381, 82 new
Wise is a British financial technology company founded in 2011 by two Estonians who were frustrated by the cost of moving money between pounds and euros. It built a network of local bank accounts in each market so that most transfers never cross a border, publishes the mid-market exchange rate with an explicit fee, and has extended the model into multi-currency accounts, debit cards, business payments and an infrastructure product that banks resell. The company listed directly on the London Stock Exchange in 2021 and moves tens of billions of pounds for millions of personal and business customers each quarter.
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 129, 13 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 129, 13 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.
modelwise.ai • HQ: Munich, Germany • Internet Services • Internet Service Providers • Artificial Intelligence • Manufacturing • 1001-5000 employees • Est. 2020 • Trust B • Hiring 380, 66 new
HQ: Munich, Germany • Internet Services • Internet Service Providers • Artificial Intelligence • Manufacturing • 1001-5000 employees • Est. 2020 • Trust B • Hiring 380, 66 new
Headquartered in Munich, Germany, Modelwise is a deep-tech software company specializing in AI-driven functional safety engineering for complex hardware systems. The platform automates safety analysis and verification tasks, enabling engineers to identify design flaws early and accelerate development cycles. By streamlining compliance workflows, it helps engineering teams across the automotive, aerospace, rail, and industrial automation sectors build safer products faster.
moonpig.com • HQ: London, United Kingdom • E-commerce Platforms • Gifts, Party Supplies & Souvenirs • Est. 2000 • Hiring 13, 2 new
HQ: London, United Kingdom • E-commerce Platforms • Gifts, Party Supplies & Souvenirs • Est. 2000 • Hiring 13, 2 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 3, 3 new
HQ: London, United Kingdom • Artificial Intelligence • Data & Analytics • Media & Entertainment • Digital Media • Social Media Marketing • 201-500 employees • Startup • Hiring 3, 3 new
Unify social publishing, newsletters, realtime analytics, benchmarking, reporting and creative production in one AI-powered platform built for publishers.
moneyhub.com • HQ: Bristol, United Kingdom • Investing Apps & Robo-Advisors • Financial Software & Embedded Finance • Est. 2014 • Hiring 2, 1 new
HQ: Bristol, United Kingdom • Investing Apps & Robo-Advisors • Financial Software & Embedded Finance • Est. 2014 • Hiring 2, 1 new
Moneyhub is a Bristol company founded in 2014 that provides open finance data and payment infrastructure. Its platform aggregates accounts, pensions and investments so banks, insurers and advisers can give customers a complete financial picture. The company sells its technology to institutions rather than competing for consumers directly.
galaxy.com • HQ: New York, United States • Data Centers & Colocation • Mining & Staking • Investment Banking & M&A Advisory • Hedge Funds & Alternative Investments • Asset Management & Funds • 501-1000 employees • Est. 2018 • NASDAQ: GLXY • Trust A • Hiring 33, 4 new
HQ: New York, United States • Data Centers & Colocation • Mining & Staking • Investment Banking & M&A Advisory • Hedge Funds & Alternative Investments • Asset Management & Funds • 501-1000 employees • Est. 2018 • NASDAQ: GLXY • Trust A • Hiring 33, 4 new
Galaxy Digital is a financial services and investment management firm specializing in digital assets, cryptocurrency, and blockchain technology. Founded by Michael Novogratz, the company serves as a bridge between traditional finance and the crypto ecosystem through institutional trading, asset management, investment banking, and mining operations. Additionally, it has expanded into digital infrastructure, providing data center capabilities to support high-performance computing, artificial intelligence, and decentralized networks.
scrumconnect.com • HQ: Staines-upon-Thames, United Kingdom • Education • E-learning • Professional Services • Travel & Tourism • 51-200 employees • Est. 2011 • Trust B • Hiring 111, 14 new
HQ: Staines-upon-Thames, United Kingdom • Education • E-learning • Professional Services • Travel & Tourism • 51-200 employees • Est. 2011 • Trust B • Hiring 111, 14 new
Headquartered in Staines-upon-Thames, United Kingdom, Scrumconnect Consulting is a leading digital transformation and software engineering consultancy founded in 2011. The firm specializes in user-centred service design, agile delivery management, cloud architecture, and custom software development, working extensively with major UK public sector departments and commercial enterprises. By deploying multidisciplinary agile teams, it helps organizations modernize complex legacy infrastructures, streamline business operations, and deliver secure, intuitive digital services.
legl.com • HQ: London, United Kingdom • RegTech, AML & Compliance • Legal Software • 11-50 employees • Est. 2019 • Startup • Hiring 5, 1 new
HQ: London, United Kingdom • RegTech, AML & Compliance • Legal Software • 11-50 employees • Est. 2019 • Startup • Hiring 5, 1 new
Legl is a London company founded in 2019 that digitises client onboarding and payments for law firms. Its platform handles identity checks, anti money laundering screening and fee collection in one workflow. The company serves British law firms modernising processes that traditionally ran on paper and cheques.
296 of these Backend Developer Salary in London state pay directly. Across them the middle half of the market sits between $134K and $214K a year, with a median of $167K. By level, the median runs junior at $134K, middle at $126K, senior at $156K, staff at $288K, and lead at $178K. The step from junior to lead is worth about 1.3x on median pay. Figures are gross annual amounts converted to US dollars, so roles in different currencies stay comparable.
The market right now
Alion currently lists 1,556 open Backend Developer Salary in London from 667 companies. 270 of them were posted or refreshed in the last seven days. 543 of the employers have posted something in the last three months, which is the pool worth watching if you are starting a search now. 78 of the 1,556 carry the marks of a stale or abandoned posting - open far beyond the usual time to fill, reposted, or on a board that mostly never closes a role - and are marked as likely inactive; the list can hide them. Every listing links straight to the employer, so you apply on their own board rather than through an intermediary.
Where the work is
The largest concentrations of these roles are Germany (32), Ireland (26), France (24), Netherlands (23), and Spain (23). 8% of the listings are fully remote and a further 41% are hybrid, so a large part of this market is open to you regardless of where you live.
Who is hiring
The employers with the most open Backend Developer Salary in London right now are JPMorganChase (68), Wise (41), Modelwise (41), Citi (23), Deliveroo (20), and Marks & Spencer (17). Each company page on Alion carries its size, funding stage, tech stack and every other position it has open, so you can judge the employer before you spend an evening on the application.
What employers ask for
Reading across the current listings, the tools that come up most often are Python (705), AWS (560), CI/CD (551), JavaScript (519), TypeScript (510), Java (475), Kubernetes (418), and React.js (345). The counts are how many of these openings name each one, which is a better guide to what is actually being hired for than a generic skills list.
Relocation, visas and equity
Of the current Backend Developer Salary in London, 55 state visa sponsorship, 65 offer a relocation package, and 164 include equity. These are filters on the list above, so you can narrow it to the ones that make a move possible for you.
How many Backend Developer Salary in London are open right now?
There are 1,556 open Backend Developer Salary in London on Alion from 667 companies. The list was last refreshed on October 23, 2026.
Are all of these Backend Developer Salary in London still being filled?
Probably not all of them. 78 of the 1,556 show the marks Alion reads as a likely inactive posting: open far longer than employers usually take to fill such a role, reposted several times, or sitting on a board that rarely closes anything. They stay listed with a warning, and the list can hide them with one switch.
What do Backend Developer Salary in London pay?
The median is $167K a year, and the middle half of the market falls between $134K and $214K. This is based on the 296 listings that state pay.
Are any of these roles remote?
125 of the 1,556 listings (8%) are fully remote, and you can filter the list down to them in one click.
Which companies are hiring?
The most active employers right now are JPMorganChase, Wise, Modelwise, Citi, Deliveroo, and Marks & Spencer. Each has its own page on Alion with the rest of its open roles.
Can I get visa sponsorship or relocation?
Yes - of the current listings, 55 state visa sponsorship and 65 offer a relocation package. Both are filters on the jobs page.
How do I apply?
Open any listing and apply on the employer's own board through the link on the page. No account is required to browse or to apply.
