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.
appliedintuition.com · HQ: Sunnyvale, United States · Defense AI · Automotive Software · Simulation & Digital Twin Software · Autonomous Driving · 1001-5000 employees · Est. 2017 · Trust A · Hiring 296, 11 new
HQ: Sunnyvale, United States · Defense AI · Automotive Software · Simulation & Digital Twin Software · Autonomous Driving · 1001-5000 employees · Est. 2017 · Trust A · Hiring 296, 11 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.
northropgrumman.com · HQ: Falls Church, United States · Space Defense · C4ISR · Satellite Manufacturing · Aerospace Manufacturing · Defense Manufacturing · 5000+ employees · Est. 1994 · Trust B · Hiring 2903, 356 new
HQ: Falls Church, United States · Space Defense · C4ISR · Satellite Manufacturing · Aerospace Manufacturing · Defense Manufacturing · 5000+ employees · Est. 1994 · Trust B · Hiring 2903, 356 new
Northrop Grumman is an American defence contractor whose oldest predecessor was founded in 1939, and which took its present form through the 1994 combination of Northrop and Grumman. It builds strategic systems including the B-21 Raider bomber and the Sentinel intercontinental ballistic missile programme, military and civil space systems, radars and electronic warfare equipment, autonomous aircraft, and mission systems and software for the United States armed forces and allied governments. Headquartered in Falls Church, Virginia and listed on the New York Stock Exchange, it earns the large majority of its revenue from the American government and employs close to one hundred thousand people.
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, 6 new
HQ: Seattle, United States · Developer Tools · 1001-5000 employees · Est. 2019 · Trust B · Hiring 78, 6 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, 4 new
HQ: Amsterdam, Netherlands · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 1986 · Trust A · Hiring 142, 4 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, 7 new
HQ: New York, United States · Financial AI · Fraud Detection · Identity Management · 501-1000 employees · Est. 2012 · Startup · Trust A · Hiring 83, 7 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.
onetrust.com · HQ: Atlanta, United States · ESG & Carbon Accounting Software · Data Governance & Catalogs · Security Compliance · 1001-5000 employees · Est. 2016 · Trust B · Hiring 75, 10 new
HQ: Atlanta, United States · ESG & Carbon Accounting Software · Data Governance & Catalogs · Security Compliance · 1001-5000 employees · Est. 2016 · Trust B · Hiring 75, 10 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.
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.
lgt.com · HQ: Vaduz, Liechtenstein · Commercial & Retail Banks · Wealth Management & Financial Advisors · 201-500 employees · Est. 1921 · Trust B · Hiring 55, 6 new
HQ: Vaduz, Liechtenstein · Commercial & Retail Banks · Wealth Management & Financial Advisors · 201-500 employees · Est. 1921 · Trust B · Hiring 55, 6 new
LGT is an international private banking and asset management group headquartered in Vaduz, Liechtenstein, serving wealthy private clients, families and institutional investors. Founded in 1921 and fully owned by the Princely House of Liechtenstein, it operates banks and wealth management businesses in Switzerland, Austria, the UK, Asia and Australia, alongside the alternative investment specialist LGT Capital Partners. It hires risk and control managers, software and infrastructure engineers, client data and payment officers, HR specialists and investment support staff in London, Melbourne, Sydney, Zurich, Vaduz and Bendern.
beyondtrust.com · HQ: Atlanta, United States · Identity Management · Information Security · Est. 2006 · Trust A · Hiring 42, 4 new
HQ: Atlanta, United States · Identity Management · Information Security · Est. 2006 · Trust A · Hiring 42, 4 new
BeyondTrust is a cybersecurity software company headquartered in Atlanta, Georgia, and founded in 2006. The organization provides a platform for privileged access management, identity security, and secure remote access to protect organizations from data breaches and internal threats. It operates globally across various sectors, serving thousands of customers including government agencies and large enterprises under the ownership of Francisco Partners.
intropic.io · HQ: London, United Kingdom · Financial Services · Hedge Funds & Alternative Investments · AI Agents · Financial Data & Market Intelligence · 51-200 employees · Trust B · Hiring 8
HQ: London, United Kingdom · Financial Services · Hedge Funds & Alternative Investments · AI Agents · Financial Data & Market Intelligence · 51-200 employees · Trust B · Hiring 8
Intropic delivers institutional-grade index rebalancing intelligence, passive fund flow analysis and quantitative research across global equity markets.
heycar is a Berlin company founded in 2017 that runs a used car marketplace listing only vehicles with warranty and history checks. Backed by Volkswagen and Mercedes-Benz financial units, it works with franchised dealers rather than private sellers. The platform operates in Germany and other European markets.
marshmclennan.com · HQ: New York, United States · 5000+ employees · Est. 1871 · Trust B · Hiring 1311, 140 new
HQ: New York, United States · 5000+ employees · Est. 1871 · Trust B · Hiring 1311, 140 new
Marsh McLennan is a global professional services firm in risk, strategy and people, headquartered in New York and listed on the New York Stock Exchange. It operates through four businesses, Marsh in insurance broking, Guy Carpenter in reinsurance, Mercer in health, wealth and benefits consulting and Oliver Wyman in management consulting, with about 90,000 colleagues in some 130 countries. It hires catastrophe risk analysts, reinsurance brokers, benefits consultants, sales executives, paralegals, software engineers and IT support staff in hubs such as London, Cluj-Napoca and Mexico City.
mistral.ai · HQ: Paris, France · Code Intelligence · AI Research Labs · LLM & Generative AI · Foundation Models · 1001-5000 employees · Est. 2023 · Trust A · Hiring 225, 10 new
HQ: Paris, France · Code Intelligence · AI Research Labs · LLM & Generative AI · Foundation Models · 1001-5000 employees · Est. 2023 · Trust A · Hiring 225, 10 new
Mistral AI is a French artificial intelligence company founded in Paris in 2023 by former researchers from Google DeepMind and Meta. It builds efficient open-weight and commercial large language models, including the Mistral, Mixtral, Magistral and Codestral families, and distributes them through its own developer platform as well as the major cloud marketplaces. Positioned as Europe's leading frontier model developer, the company also ships the Le Chat assistant, on-premise deployment options for regulated industries and a sovereign compute offering for customers who must keep data inside the region.
≈ $51k – $91k per year (Estimated) · In office (Paris, France, Amsterdam, Netherlands, Warsaw, Poland, London, United Kingdom, Berlin, Germany) · Relocation · Full-Time
≈ $46k – $82k per year (Estimated) · Paris · Amsterdam · Warsaw · London · Berlin · Remote (Germany, France, United Kingdom, Netherlands, Poland) · Relocation · Full-Time
docker.com · HQ: Palo Alto, United States · DevOps & Platform Engineering · Developer Tools · Virtualization & Containers · 201-500 employees · Est. 2011 · Trust A · Hiring 51, 2 new
HQ: Palo Alto, United States · DevOps & Platform Engineering · Developer Tools · Virtualization & Containers · 201-500 employees · Est. 2011 · Trust A · Hiring 51, 2 new
Docker is a leading software platform that enables developers to build, share, and run applications inside lightweight, isolated containers. By packaging code together with all its dependencies, the technology ensures that applications run consistently across any computing environment - from local development machines to large-scale cloud infrastructure. The platform accelerates modern software development, simplifying microservices architecture, automated deployment pipelines, and cross-team collaboration.
≈ $100k – $203k per year (Estimated) · Senior · 8+ years exp · London · Remote (EU, United States, Canada, ET hours) · Bachelor's Degree · Full-Time · Senior
kota.com · HQ: Dublin, Ireland · Health Insurance & Benefits · InsurTech · 51-200 employees · Est. 2022 · Likely startup · Hiring 10, 3 new
HQ: Dublin, Ireland · Health Insurance & Benefits · InsurTech · 51-200 employees · Est. 2022 · Likely startup · Hiring 10, 3 new
Kota is an employee benefits technology company headquartered in Dublin, Ireland, and founded in 2022. The company sells an API and platform that lets employers set up and administer health insurance, pensions, and other benefits digitally, and lets software vendors embed those benefits into their own products. It operates in Ireland, the United Kingdom, and the Netherlands, targeting small and mid-sized employers that previously arranged benefits through brokers and paperwork.
