Backend Developer jobs in United Kingdom hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $170,197/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
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8,988 remote jobs are open to candidates in United Kingdom.Show remote jobs
semaloop.com · HQ: London, United Kingdom · AI Agents · Software Testing & QA · Est. 2025 · Startup · Hiring 1
HQ: London, United Kingdom · AI Agents · Software Testing & QA · Est. 2025 · Startup · Hiring 1
Semaloop is a software testing start-up that builds AI agents that test mobile apps like real users across key flows. It uses computer vision on real devices to catch mobile bugs and has raised funding from venture investors. The company is headquartered in London, United Kingdom.
voize.com · HQ: Berlin, Germany · EHR & Clinical Software · Speech & Audio AI · Medical AI · Est. 2020 · Startup · Trust B · Hiring 37, 1 new
HQ: Berlin, Germany · EHR & Clinical Software · Speech & Audio AI · Medical AI · Est. 2020 · Startup · Trust B · Hiring 37, 1 new
voize is a German health technology company that develops a voice assistant for nursing care, letting nurses and carers dictate observations by smartphone while its speech AI turns them into structured documentation in the care provider's records system. Founded in 2020, it serves nursing homes, home care services and hospitals, mainly in Germany, and hires backend, fullstack and speech machine learning engineers and customer training staff. The company is headquartered in Berlin, Germany.
≈ $71k – $144k per year (Estimated) · Senior · Berlin · Paris · London · Munich · Hamburg · Remote (Germany, France, United Kingdom) · Freelance · Senior · German: C1
Apron is a payments company, founded in 2021, that helps small and medium businesses manage cash flow by making payments faster and less manual. Its vacancies include customer service representatives, product designers for core payments and senior backend software engineers. The company is headquartered in London, United Kingdom.
tortus.ai · HQ: London, United Kingdom · EHR & Clinical Software · Medical AI · 11-50 employees · Est. 2023 · Startup · Hiring 2
HQ: London, United Kingdom · EHR & Clinical Software · Medical AI · 11-50 employees · Est. 2023 · Startup · Hiring 2
TORTUS builds an AI assistant for clinicians that writes visit notes and operates the electronic health record on screen, with clinician oversight of every action. Founded by a British emergency physician, it works with National Health Service trusts and holds a UKCA Class IIa medical device certification. The company is headquartered in London, United Kingdom.
wintermute.com · HQ: London, United Kingdom · Cryptocurrencies · DeFi · 51-200 employees · Est. 2017 · Startup · Trust A · Hiring 17
HQ: London, United Kingdom · Cryptocurrencies · DeFi · 51-200 employees · Est. 2017 · Startup · Trust A · Hiring 17
Wintermute is a London-based algorithmic trading firm founded in 2017 and one of the largest liquidity providers in digital assets. It quotes continuously on more than fifty centralised exchanges and across decentralised venues, runs a large over-the-counter desk for institutional counterparties, and handles a meaningful share of daily global crypto volume. Beyond market making the firm invests in and incubates blockchain projects through Wintermute Ventures, supports token launches with liquidity provision, and builds infrastructure that brings traditional financial institutions into on-chain markets.
appliedintuition.com · HQ: Sunnyvale, United States · Defense AI · Automotive Software · Simulation & Digital Twin Software · Autonomous Driving · 1001-5000 employees · Est. 2017 · Trust B · Hiring 293, 10 new
HQ: Sunnyvale, United States · Defense AI · Automotive Software · Simulation & Digital Twin Software · Autonomous Driving · 1001-5000 employees · Est. 2017 · Trust B · Hiring 293, 10 new
Applied Intuition is an American vehicle software company founded in 2017 that sells the toolchain automakers use to develop, simulate and validate autonomous and assisted driving systems. Its products cover large-scale simulation, sensor modelling, drive-data management, scenario generation and a vehicle operating system, sold to carmakers, truck, agricultural and construction equipment manufacturers and defence customers, and it has expanded into defence autonomy through acquisitions. The company is headquartered in Sunnyvale, California, United States.
honestmobile.com · HQ: London, United Kingdom · Est. 2018 · Startup · Hiring 1
HQ: London, United Kingdom · Est. 2018 · Startup · Hiring 1
Mobile done right Your mobile network is taking advantage. Hiking up prices every year, locking you into complicated contracts, and looking the other way when it comes to the planet.
modoenergy.com · HQ: London, United Kingdom · Financial Data & Market Intelligence · Energy Storage · 51-200 employees · Est. 2020 · Startup · Hiring 3
HQ: London, United Kingdom · Financial Data & Market Intelligence · Energy Storage · 51-200 employees · Est. 2020 · Startup · Hiring 3
Modo Energy is a London energy data company founded in 2020 that benchmarks the performance and revenue of battery storage assets. Its platform publishes transparent analysis of a market where returns were previously known only to individual operators. The company serves investors, developers and traders in Britain and other storage markets.
temporal.io · HQ: Seattle, United States · Developer Tools · 1001-5000 employees · Est. 2019 · Trust B · Hiring 78, 4 new
HQ: Seattle, United States · Developer Tools · 1001-5000 employees · Est. 2019 · Trust B · Hiring 78, 4 new
Temporal is an open-source durable execution platform and workflow orchestration engine designed to help developers build reliable, fault-tolerant distributed applications. Originated from the team behind Uber’s Cadence and engineers with deep background in AWS and Azure messaging systems, Temporal allows developers to write business logic as code while automatically persisting state, handling retries, and managing failure recovery behind the scenes.
optiver.com · HQ: Amsterdam, Netherlands · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 1986 · Trust A · Hiring 142, 6 new
HQ: Amsterdam, Netherlands · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 1986 · Trust A · Hiring 142, 6 new
Optiver is a Dutch proprietary trading firm founded in 1986 and headquartered in Amsterdam. It builds ultra-low-latency trading systems and hardware to provide liquidity on exchanges worldwide. The company is one of the largest technology employers in Amsterdam despite trading only its own capital.
socure.com · HQ: New York, United States · Financial AI · Fraud Detection · Identity Management · 501-1000 employees · Est. 2012 · Startup · Trust A · Hiring 83, 8 new
HQ: New York, United States · Financial AI · Fraud Detection · Identity Management · 501-1000 employees · Est. 2012 · Startup · Trust A · Hiring 83, 8 new
Socure is a leading digital identity verification and fraud prevention platform that uses artificial intelligence and machine learning to verify consumer identities in real time. The company analyzes thousands of predictive data points - including biometrics, device intelligence, and email or phone attributes - to accurately authenticate individuals during online onboarding. By providing high accuracy rates across demographic groups, it enables financial institutions, digital healthcare providers, and online platforms to reduce fraud while streamlining user conversion.
craneco.com · HQ: Stamford, United States · Industrial Machinery · Aerospace Manufacturing · 1001-5000 employees · Est. 1855 · NYSE: CR · Trust B · Hiring 261, 14 new
HQ: Stamford, United States · Industrial Machinery · Aerospace Manufacturing · 1001-5000 employees · Est. 1855 · NYSE: CR · Trust B · Hiring 261, 14 new
Crane Company is a diversified industrial manufacturer headquartered in Stamford, Connecticut, that makes engineered components for aerospace, defense and electronics customers and valves, pumps and fluid handling products for process industries. Founded in Chicago in 1855 by Richard Teller Crane, it took its current form in 2023 when Crane NXT was spun off, and it runs plants in the US, the UK and Ireland through its Aerospace and Electronics and Process Flow Technologies segments. It hires quality, manufacturing, test and embedded software engineers, assemblers, welders, production technicians, sales engineers and finance analysts.
statestreet.com · HQ: Boston, United States · Asset Management & Funds · Custody & Fund Administration · 5000+ employees · Est. 1792 · NYSE: STT · Trust B · Hiring 786, 119 new
HQ: Boston, United States · Asset Management & Funds · Custody & Fund Administration · 5000+ employees · Est. 1792 · NYSE: STT · Trust B · Hiring 786, 119 new
State Street is an American financial institution founded in Boston in 1792 and one of the oldest banks in the United States, though its modern business bears little resemblance to retail banking. It is one of the three dominant global custodians, holding trillions of dollars of assets in safekeeping for institutional investors and providing the fund accounting, administration and settlement infrastructure that asset managers depend on. Its investment arm State Street Global Advisors created the first American exchange traded fund with the SPDR S&P 500 Trust and remains one of the largest index managers in the world.
onetrust.com · HQ: Atlanta, United States · ESG & Carbon Accounting Software · Data Governance & Catalogs · Security Compliance · 1001-5000 employees · Est. 2016 · Trust B · Hiring 81, 15 new
HQ: Atlanta, United States · ESG & Carbon Accounting Software · Data Governance & Catalogs · Security Compliance · 1001-5000 employees · Est. 2016 · Trust B · Hiring 81, 15 new
OneTrust is a leading enterprise software platform specializing in privacy, trust, and data governance technology. The company provides automated solutions for managing data privacy compliance, third-party risk, ethics, and ESG (environmental, social, and governance) programs. Headquartered in Atlanta, Georgia, its cloud-based trust intelligence platform helps organizations safely harness their data while adhering to global regulatory frameworks like GDPR and CCPA.
Fourth is a London software company founded in 1999 that supplies workforce and inventory management to hospitality operators. Its platform handles scheduling, payroll, purchasing and recipe costing for restaurant, hotel and pub groups. The company serves tens of thousands of venues across Europe and North America.
dexory.com · HQ: Wallingford, United Kingdom · Warehousing · Robotics AI · Logistics & Warehouse Robotics · 51-200 employees · Est. 2015 · Startup · Trust B · Hiring 33, 4 new
HQ: Wallingford, United Kingdom · Warehousing · Robotics AI · Logistics & Warehouse Robotics · 51-200 employees · Est. 2015 · Startup · Trust B · Hiring 33, 4 new
Dexory is a British company founded in 2015 that builds autonomous robots for warehouse inventory tracking. Its tall mobile robots scan racking as they drive and feed a digital twin that shows what is actually stored where. The company works with third party logistics providers and retailers across Europe and North America.
aiwi.org · Washington · London · Think Tanks & Policy Research · Research Institutes · 51-200 employees · Hiring 2
Washington · London · Think Tanks & Policy Research · Research Institutes · 51-200 employees · Hiring 2
AIWI conducts research and policy work, educates and supports frontier AI employees directly through its vetted network of attorneys and access to funding.
