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.
ifs.com · HQ: Linköping, Sweden · Manufacturing & Industrial Software · Field Service Management Software · ERP & Business Management Software · 5000+ employees · Est. 1983 · Trust B · Hiring 231, 25 new
HQ: Linköping, Sweden · Manufacturing & Industrial Software · Field Service Management Software · ERP & Business Management Software · 5000+ employees · Est. 1983 · Trust B · Hiring 231, 25 new
IFS is a Swedish enterprise software company founded in Linkoping in 1983 that sells applications for organisations whose value depends on physical assets and field work rather than office processes. Its Cloud product combines enterprise resource planning, asset management and field service management in one model, which suits aerospace and defence, energy and utilities, manufacturing, construction and telecommunications customers who plan maintenance, parts and technicians together. Headquartered in Linkoping and majority owned by the private equity firms EQT and Hg, it has pushed hard into industrial artificial intelligence.
goodnotes.com · HQ: Hong Kong · Consumer & Utility Software · Office & Productivity Software · 51-200 employees · Est. 2011 · Hiring 5
HQ: Hong Kong · Consumer & Utility Software · Office & Productivity Software · 51-200 employees · Est. 2011 · Hiring 5
GoodNotes is a popular note-taking app that is loved by students, digital planners, and notetakers all over the world. It is available for free download on the App Store. With GoodNotes, you can take notes, shape your ideas, and share them with ease using the world's best-loved digital paper. The app offers a range of features and benefits, including handwriting recognition and OCR technology, making your entire library of digital notes searchable. You can effortlessly write out equations, draw mind maps, mark up PDFs, and more. GoodNotes also allows you to organize your notes better with folders and subfolders, helping you stay organized in your studies or work. Plus, you can back up your notes to Google Drive, OneDrive, or Dropbox for added security. The app also offers automatic iCloud sync to ensure that the latest versions of your notes are always accessible across all your devices. Millions of students around the world choose GoodNotes for its reliability and versatility. Download GoodNotes today for free and experience the freedom and convenience of digital note-taking on your iPad, iPhone, or Mac.
cloudflare.com · HQ: San Francisco, United States · Cloud Security · DNS Services · Web Security & DDoS Protection · CDN & Edge Delivery · 1001-5000 employees · Est. 2009 · Trust B · Hiring 440, 26 new
HQ: San Francisco, United States · Cloud Security · DNS Services · Web Security & DDoS Protection · CDN & Edge Delivery · 1001-5000 employees · Est. 2009 · Trust B · Hiring 440, 26 new
Cloudflare is an American internet infrastructure company founded in 2009 that operates a global network sitting in front of a large share of the world's websites and applications. Traffic passing through it is cached, accelerated and filtered for attacks, and the same network now runs a zero trust access product for corporate applications, a serverless compute platform called Workers, object storage without egress fees, and a developer platform for databases, queues and artificial intelligence inference. Headquartered in San Francisco and listed on the New York Stock Exchange, it publishes widely read research on internet traffic patterns and attack trends.
cwan.com · HQ: Boise, United States · Accounting & Tax Software · Financial Software & Embedded Finance · Financial Data & Market Intelligence · 201-500 employees · Est. 2004 · Trust B · Hiring 184, 11 new
HQ: Boise, United States · Accounting & Tax Software · Financial Software & Embedded Finance · Financial Data & Market Intelligence · 201-500 employees · Est. 2004 · Trust B · Hiring 184, 11 new
Clearwater Analytics is a financial software company headquartered in Boise, Idaho, providing a cloud platform for investment accounting, reporting, reconciliation, risk and portfolio management to institutional investors. Founded in 2004, it serves insurers, asset managers, hedge funds, corporate treasuries, banks and governments, and expanded its front-office capabilities with the Enfusion and Beacon acquisitions in 2025. It hires software development engineers, quantitative developers, product managers, enterprise sales leaders, client servicing associates and service delivery managers in Boise, New York, Chicago, Edinburgh, London and Noida.
epicgames.com · HQ: Cary, United States · Developer Tools · PC Games · Game Development · 1001-5000 employees · Est. 1991 · Trust A · Hiring 106, 6 new
HQ: Cary, United States · Developer Tools · PC Games · Game Development · 1001-5000 employees · Est. 1991 · Trust A · Hiring 106, 6 new
Epic Games is an American video game and software company founded in 1991 that owns both Fortnite, one of the most played games in the world, and Unreal Engine, the real-time three-dimensional engine licensed to other studios and increasingly to film, architecture and automotive industries. It also operates the Epic Games Store, launched in 2018 with a lower commission than Steam, and it has pursued a long legal campaign against Apple and Google over app store fees. Headquartered in Cary, North Carolina and part-owned by Tencent, it is privately held and has acquired studios and tool companies including Psyonix, Quixel and 3Lateral.
methods.co.uk · HQ: London, United Kingdom · Cloud Consulting & Migration · Digital Government · IT Consulting & Digital Transformation · 5000+ employees · Est. 1990 · IT services · Trust A · Hiring 63, 7 new
HQ: London, United Kingdom · Cloud Consulting & Migration · Digital Government · IT Consulting & Digital Transformation · 5000+ employees · Est. 1990 · IT services · Trust A · Hiring 63, 7 new
Methods is a digital transformation consultancy headquartered in London, United Kingdom, and founded in 1990. The company designs and delivers user centred digital services, data platforms, cloud migrations, and cyber security work almost entirely for the United Kingdom public sector. It has been part of the French engineering group Alten since 2022 and holds places on major government procurement frameworks including G-Cloud and Digital Outcomes.
HQ: London, United Kingdom · Identity Management · Fraud Detection · 201-500 employees · Est. 2012 · Hiring 7
Callsign is a London company founded in 2012 that authenticates users through behavioural biometrics and device intelligence. Its models recognise how a person types, swipes and holds a phone to spot impersonation without adding friction. The company works with banks and telecom operators fighting authorised push payment fraud.
lemfi.com · HQ: London, United Kingdom · Currency Exchange & FX Payments · Money Transfer & Remittances · Startup · Hiring 11, 2 new
HQ: London, United Kingdom · Currency Exchange & FX Payments · Money Transfer & Remittances · Startup · Hiring 11, 2 new
LemFi is a financial app for immigrants and the Global South that began with fast, affordable remittances and is evolving into a multi-currency financial platform, backed by a Series B round. Its team of more than 400 people spans over 20 countries, and its postings cover engineering, growth, credit, compliance and operations roles, mostly in London. The company is headquartered in London, United Kingdom.
catapult.com · HQ: Melbourne, Australia · Sports Wearables · Sports Analytics · 501-1000 employees · Est. 2006 · Trust A · Hiring 19, 4 new
HQ: Melbourne, Australia · Sports Wearables · Sports Analytics · 501-1000 employees · Est. 2006 · Trust A · Hiring 19, 4 new
Catapult builds athlete monitoring wearables and performance analytics. Its systems track movement load and video for elite teams. The company works with thousands of sports organisations worldwide.
softwire.com · HQ: London, United Kingdom · IT Consulting & Digital Transformation · Custom Software Development · 51-200 employees · Est. 2000 · Hiring 3
HQ: London, United Kingdom · IT Consulting & Digital Transformation · Custom Software Development · 51-200 employees · Est. 2000 · Hiring 3
Softwire is a London software consultancy founded in 2000 that builds custom systems for media, government and commercial clients. It has delivered projects for the BBC, the National Health Service and large publishers using its own engineering teams. The company is known for an unusually strong reputation as a workplace among British developers.
rightmove.co.uk · HQ: Milton Keynes, United Kingdom · PropTech · Est. 2000 · Trust B · Hiring 30, 3 new
HQ: Milton Keynes, United Kingdom · PropTech · Est. 2000 · Trust B · Hiring 30, 3 new
Rightmove is a Milton Keynes company founded in 2000 that operates the dominant property portal in the United Kingdom. Estate agents pay to list homes on a site that receives the great majority of British property search traffic. The company is a member of the FTSE 100 and runs data and valuation products alongside its listings.
fdjunited.com · HQ: Boulogne-Billancourt, France · Sports Betting · iGaming & Gambling · 1001-5000 employees · Trust B · Hiring 26, 2 new
HQ: Boulogne-Billancourt, France · Sports Betting · iGaming & Gambling · 1001-5000 employees · Trust B · Hiring 26, 2 new
FDJ United is a European betting and gaming operator headquartered in Boulogne-Billancourt, France, that runs the French national lottery and retail sports betting under exclusive rights and offers online betting and gaming brands in markets open to competition. The group descends from the National Lottery created in 1933 to aid wounded First World War veterans, took the FDJ United name in 2025 after La Française des Jeux acquired Kindred Group, and has more than 5,000 employees in about fifteen regulated markets. Hiring spans AML and responsible gaming specialists, customer service agents, software and data engineers in London, Malta, Stockholm and France.
smartworkingsolutions.com · HQ: London, United Kingdom · IT Outsourcing & Dedicated Teams · IT Staffing & Staff Augmentation · Est. 2020 · Staffing · EOR · Hiring 14, 1 new
HQ: London, United Kingdom · IT Outsourcing & Dedicated Teams · IT Staffing & Staff Augmentation · Est. 2020 · Staffing · EOR · Hiring 14, 1 new
Smart Working Solutions is a remote staffing company that recruits software engineers, data and cloud specialists and business development professionals, largely in India, and places them full-time with client companies in the United Kingdom and other markets. It handles sourcing, vetting and ongoing employment of the remote team members it supplies. The company is headquartered in London, England, United Kingdom.
≈ $83k – $168k per year (Estimated) · Senior · 8+ years exp · London · Madrid · Lisbon · Bucharest · Remote (United Kingdom, Romania, Spain, Portugal, UK time hours) · Full-Time · Senior · English
fundapps.co · HQ: London, United Kingdom · RegTech, AML & Compliance · 201-500 employees · Est. 2010 · Trust A · Hiring 6, 2 new
HQ: London, United Kingdom · RegTech, AML & Compliance · 201-500 employees · Est. 2010 · Trust A · Hiring 6, 2 new
FundApps is a London regulatory technology company founded in 2010 that automates shareholding disclosure and position limit monitoring. Its service maintains the rules for scores of jurisdictions centrally so that asset managers do not each interpret them separately. The company monitors trillions of dollars of assets for investment firms worldwide.
claimsorted.com · HQ: London, United Kingdom · Insurance Brokers & Agencies · Health Insurance & Benefits · 51-200 employees · Est. 2024 · Startup · Hiring 16
HQ: London, United Kingdom · Insurance Brokers & Agencies · Health Insurance & Benefits · 51-200 employees · Est. 2024 · Startup · Hiring 16
Turning claims into your advantage. ClaimSorted is a tech-enabled claims TPA delivering faster claims cycles, lower leakage, and five-star policyholder experiences for MGAs and carriers.
tgs.com · HQ: Oslo, Norway · Geological Survey · Oil & Gas · Data Providers & Datasets · 1001-5000 employees · Est. 1981 · Trust B · Hiring 637, 45 new
HQ: Oslo, Norway · Geological Survey · Oil & Gas · Data Providers & Datasets · 1001-5000 employees · Est. 1981 · Trust B · Hiring 637, 45 new
TGS is a Norwegian energy data and geophysical services company headquartered in Oslo, with a large operation in Houston. Founded in 1981, it licenses a multi-client library of seismic, well and subsurface data to oil and gas companies, acquires new seismic data with the streamer and ocean-bottom fleet it gained by merging with PGS in 2024, and provides data and imaging for offshore wind projects. The company is listed on the Oslo Stock Exchange.
atkinsrealis.com · HQ: Montreal, Canada · Transport Infrastructure · Civil & Structural Engineering · Engineering Services · Nuclear Energy · 5000+ employees · Est. 1911 · Trust B · Hiring 1755, 93 new
HQ: Montreal, Canada · Transport Infrastructure · Civil & Structural Engineering · Engineering Services · Nuclear Energy · 5000+ employees · Est. 1911 · Trust B · Hiring 1755, 93 new
AtkinsRéalis is a Canadian professional services and project management company created when the engineering firm SNC-Lavalin, founded in Montreal in 1911, acquired the British consultancy Atkins in 2017 and adopted the combined name in 2023. It designs and manages infrastructure programmes across transport, water, buildings, energy and defence, and holds a substantial nuclear business through Candu Energy that services and builds heavy water reactors. Headquartered in Montreal and listed in Toronto, the group employs tens of thousands of engineers, planners and consultants across Canada, the United Kingdom, the Middle East and Asia Pacific.
libertyglobal.com · HQ: London, United Kingdom · Mobile Networks · Broadband · 201-500 employees · Est. 2013 · NASDAQ: LBTYA · Trust A · Hiring 13, 1 new
HQ: London, United Kingdom · Mobile Networks · Broadband · 201-500 employees · Est. 2013 · NASDAQ: LBTYA · Trust A · Hiring 13, 1 new
Liberty Global is an international telecommunications and media company that owns broadband and mobile network businesses in Europe. Its job ads cover finance internships, corporate tax strategy, AI architecture, technical project management and executive support. The company is headquartered in London, United Kingdom.
sc.com · HQ: London, United Kingdom · Wealth Management & Financial Advisors · Investment Banking & M&A Advisory · Commercial & Retail Banks · 1001-5000 employees · Est. 1853 · Trust A · Hiring 390, 92 new
HQ: London, United Kingdom · Wealth Management & Financial Advisors · Investment Banking & M&A Advisory · Commercial & Retail Banks · 1001-5000 employees · Est. 1853 · Trust A · Hiring 390, 92 new
Standard Chartered is a British multinational bank headquartered in London that provides retail, commercial, corporate and investment banking, wealth management, trade finance and financial markets services. The group traces its history to the Chartered Bank of India, Australia and China, chartered in 1853, and the Standard Bank of British South Africa, which merged in 1969. Listed in London and Hong Kong, it earns most of its income in Asia, Africa and the Middle East, with large operations and technology hubs in Singapore, Hong Kong, Bengaluru, Chennai and Guangzhou.
