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.
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 40, 9 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 40, 9 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 81, 3 new
HQ: Staines-upon-Thames, United Kingdom · Education · E-learning · Professional Services · Travel & Tourism · 51-200 employees · Est. 2011 · Trust B · Hiring 81, 3 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 4
HQ: London, United Kingdom · RegTech, AML & Compliance · Legal Software · 11-50 employees · Est. 2019 · Startup · Hiring 4
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.
apple.com · HQ: Cupertino, United States · Smartwatches & Fitness Trackers · Operating Systems · Tablets · Laptops · Smartphones · 5000+ employees · Est. 1976 · Trust A · Hiring 3788, 283 new
HQ: Cupertino, United States · Smartwatches & Fitness Trackers · Operating Systems · Tablets · Laptops · Smartphones · 5000+ employees · Est. 1976 · Trust A · Hiring 3788, 283 new
Apple is an American multinational technology company founded in 1976 by Steve Jobs, Steve Wozniak and Ronald Wayne, and headquartered in Cupertino, California. It designs and sells consumer hardware including the iPhone, Mac, iPad, Apple Watch, AirPods and Vision Pro, together with the operating systems and silicon that run them. A growing services division built around the App Store, iCloud, Apple Music, Apple TV+ and Apple Pay now contributes a large share of profit, making Apple one of the most valuable companies in the world.
thetrainline.com · HQ: London, United Kingdom · Ticketing · Travel Technology · 501-1000 employees · Est. 1997 · Hiring 30, 3 new
HQ: London, United Kingdom · Ticketing · Travel Technology · 501-1000 employees · Est. 1997 · Hiring 30, 3 new
Trainline is an international digital rail and coach technology platform headquartered in London, United Kingdom, and founded in 1997. The company provides a website and mobile application that allows users to search, compare, and book train and bus tickets across multiple operators. It operates in dozens of countries across Europe and Asia, partnering with over 270 rail and coach carriers to offer travel solutions to millions of active customers.
White Swan Data is a British company that builds, backs and scales technology and data infrastructure for the gambling industry. It runs sports trading operations and hires football and sports traders, full stack engineers and business development managers. The company is headquartered in London, United Kingdom, with an office in New York.
navan.com · HQ: Palo Alto, United States · Business Travel · Procurement & Spend Management · Travel Technology · 1001-5000 employees · Est. 2015 · NASDAQ: NAVN · Trust B · Hiring 109, 11 new
HQ: Palo Alto, United States · Business Travel · Procurement & Spend Management · Travel Technology · 1001-5000 employees · Est. 2015 · NASDAQ: NAVN · Trust B · Hiring 109, 11 new
Navan is a corporate travel, payments and expense management software company headquartered in Palo Alto, California, providing a platform that combines business travel booking, corporate cards, expense reporting, events and analytics. It was founded in 2015 by Ariel Cohen and Ilan Twig under the name TripActions, and it has offices in New York, San Francisco, Austin, Boston, London, Berlin, Paris, Amsterdam and Bengaluru. Its openings include software engineers for flights and enterprise products, product designers and marketers, account executives, airline partnership managers, business operations, data and IT leadership roles.
Goldsmiths is a renowned brand known for its close-knit community, rich academic heritage, creative powerhouse, and thought-provoking environment. As part of the University of London, Goldsmiths offers a wide range of products and services to staff, students, businesses, alumni, and the local community. With a focus on excellence, they provide world-leading research and excellent teaching from their campus in South East London. Their academic partnerships, both local and global, enable collaborative and innovative approaches to education. Goldsmiths is committed to fostering equal opportunities and diversity, and their Senior Management Team ensures the university's academic and administrative leadership remains efficient. Moreover, Goldsmiths actively engages with the local community and offers services to support and grow businesses through sharing knowledge and expertise. They also have a dedicated art gallery, Goldsmiths Centre for Contemporary Art, bringing world-class exhibitions to South London. With their interdisciplinary research, Goldsmiths addresses urgent challenges of our time, making it a dynamic and influential institution. Whether you're a prospective student or se
finastra.com · HQ: London, United Kingdom · Payment Processing & Gateways · Financial Software & Embedded Finance · 5000+ employees · Est. 2017 · Trust A · Hiring 92, 10 new
HQ: London, United Kingdom · Payment Processing & Gateways · Financial Software & Embedded Finance · 5000+ employees · Est. 2017 · Trust A · Hiring 92, 10 new
Finastra is a financial technology company created in 2017 by merging the British firm Misys with the Canadian company D+H, bringing together several decades of banking software under one owner. Its products span retail and corporate core banking, payments processing, lending and syndicated loan servicing, treasury and capital markets systems, and it operates an open platform that lets third-party developers build applications against those cores. Headquartered in London and owned by Vista Equity Partners, it serves thousands of financial institutions and has been divesting parts of its portfolio to concentrate on lending and payments.
TD Bank Group is a Canadian bank founded in 1855 whose modern form dates from the 1955 merger of the Bank of Toronto and the Dominion Bank. It runs one of the two largest retail banking networks in Canada, an unusually large American retail franchise built along the east coast under the TD Bank brand, a wholesale bank through TD Securities and a direct investing business, and it held a substantial stake in Charles Schwab for several years. Headquartered in Toronto and listed in Toronto and New York, it has spent recent years rebuilding its anti-money-laundering controls after United States regulatory penalties.
HQ: London, United Kingdom · Financial Services · Online Brokerage & Trading Platforms · Forex & CFD Brokers · 5000+ employees · Est. 2003 · Hiring 66, 4 new
IG is an online trading and fintech group that offers CFDs, knock-outs and options on its trading platform and describes itself as a FTSE 100 fintech with more than 1.3 million customers across five continents. Its job ads cover platform reliability, data and machine learning engineering, client management and finance systems roles in London, Kraków, Bengaluru and Singapore. The company is headquartered in London, United Kingdom.
pensioncorporation.com · London · Asset Management & Funds · Life Insurance & Annuities · Trust A · Hiring 17, 3 new
London · Asset Management & Funds · Life Insurance & Annuities · Trust A · Hiring 17, 3 new
Pension Insurance Corporation plc (PIC) is a specialist UK insurer. We provide tailored pension insurance buyouts & buy-ins to the trustees and sponsors of UK benefit pension funds.
spotify.com · HQ: Stockholm, Sweden · Advertising · Podcasting · Music Industry · Streaming & OTT Platforms · 5000+ employees · Est. 2006 · Trust A · Hiring 89
HQ: Stockholm, Sweden · Advertising · Podcasting · Music Industry · Streaming & OTT Platforms · 5000+ employees · Est. 2006 · Trust A · Hiring 89
Spotify is a Swedish audio streaming company founded in Stockholm in 2006 that turned licensed on-demand music into the dominant way people listen. Its catalogue spans roughly a hundred million tracks plus podcasts and audiobooks, delivered through an advertising-supported free tier and a paid Premium subscription to hundreds of millions of monthly users across more than a hundred and eighty markets. The platform pairs personalised recommendation systems such as Discover Weekly with a creator side that gives artists, podcasters and publishers distribution, analytics and monetisation tools.
myunidays.com · HQ: Nottingham, United Kingdom · Coupons, Deals & Cashbacks · 201-500 employees · Hiring 18, 1 new
HQ: Nottingham, United Kingdom · Coupons, Deals & Cashbacks · 201-500 employees · Hiring 18, 1 new
UNiDAYS is a British student discount platform that verifies students and gives them exclusive deals from brands such as ASOS, Nike, Levi's and Flixbus. It works with retail, fashion, beauty and technology brands to reach students in many countries, with offices in London and New York. The company is headquartered in Nottingham, United Kingdom.
flatiron.com · HQ: New York, United States · CRO & CDMO Services · Medical AI · Est. 2012 · Trust A · Hiring 23, 6 new
HQ: New York, United States · CRO & CDMO Services · Medical AI · Est. 2012 · Trust A · Hiring 23, 6 new
Flatiron Health is a New York company founded in 2012 that builds real-world evidence datasets from oncology electronic health records. It combines machine extraction with clinical abstraction to turn unstructured notes into research-grade data used in regulatory submissions and drug development. Acquired by Roche in 2018, it continues to operate independently and also sells software to cancer practices.
capgemini.com · HQ: Paris, France · Management Consulting · Engineering Services · Systems Integrators · IT Consulting & Digital Transformation · 5000+ employees · Est. 1967 · IT services · Trust B · Hiring 4612, 302 new
HQ: Paris, France · Management Consulting · Engineering Services · Systems Integrators · IT Consulting & Digital Transformation · 5000+ employees · Est. 1967 · IT services · Trust B · Hiring 4612, 302 new
Capgemini is a French information technology services and consulting group founded in Grenoble in 1967 by Serge Kampf, and one of the largest IT service providers in the world. It designs, builds and runs systems for large enterprises and governments across some fifty countries, with a delivery workforce concentrated in India and a European client base heavier than most of its competitors. The group is organised into Capgemini Invent for strategy and design, Capgemini Engineering for research and development services acquired with Altran, and Sogeti for local technology services, and it has reoriented its portfolio around cloud migration, data platforms and generative AI.
uipath.com · HQ: New York, United States · Document AI · AI Agents · Workflow & Process Automation (RPA, BPM) · 51-200 employees · Est. 2005 · NYSE: PATH · Trust A · Hiring 96, 9 new
HQ: New York, United States · Document AI · AI Agents · Workflow & Process Automation (RPA, BPM) · 51-200 employees · Est. 2005 · NYSE: PATH · Trust A · Hiring 96, 9 new
UiPath is a Romanian-founded American company started in Bucharest in 2005 that became the leading vendor of robotic process automation, software robots that operate other applications through their user interfaces to automate work no integration existed for. Having grown enormously on that premise, it has spent recent years absorbing the fact that language models can do parts of the same job differently, and has rebuilt its platform around agentic automation that combines deterministic robots with model-driven agents. Headquartered in New York and listed on the New York Stock Exchange, it retains one of the largest installed automation estates in the enterprise market.
caisgroup.com · HQ: New York, United States · Financial Software & Embedded Finance · 51-200 employees · Est. 2009 · Trust A · Hiring 12
HQ: New York, United States · Financial Software & Embedded Finance · 51-200 employees · Est. 2009 · Trust A · Hiring 12
CAIS is a New York financial technology company founded in 2009 that connects independent wealth advisers to alternative investments. Its platform handles fund access, education and operational workflow for private equity, credit and hedge fund allocations. The company serves thousands of advisory firms in the United States.
cusp.ai · HQ: Cambridge, United Kingdom · Manufacturing · AI for Science · Artificial Intelligence · 501-1000 employees · Est. 2024 · Startup · Trust A · Hiring 22
HQ: Cambridge, United Kingdom · Manufacturing · AI for Science · Artificial Intelligence · 501-1000 employees · Est. 2024 · Startup · Trust A · Hiring 22
CuspAI builds generative models that search for new materials with target properties. Its first applications focus on carbon capture materials. The company was founded by researchers from DeepMind and academia.
pleo.io · HQ: Copenhagen, Denmark · Cards & Card Issuing · Procurement & Spend Management · 501-1000 employees · Est. 2015 · Trust A · Hiring 33, 5 new
HQ: Copenhagen, Denmark · Cards & Card Issuing · Procurement & Spend Management · 501-1000 employees · Est. 2015 · Trust A · Hiring 33, 5 new
Pleo is a major European FinTech unicorn and smart business spend management enterprise headquartered in Copenhagen, Denmark. Founded in 2015 by Fintech entrepreneurs Jeppe Rindom (CEO) and Niccolo Perra, the company operates on a B2B SaaS subscription model combined with interchange revenue from corporate card transactions.
