Backend Developer Salary in London

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.

London
AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
Product
Design
Fintech
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science

Thirdfort

thirdfort.com
thirdfort.com · HQ: London, United Kingdom · RegTech, AML & Compliance · Identity Management · 1-10 employees · Est. 2017 · Startup · Hiring 6
HQ: London, United Kingdom · RegTech, AML & Compliance · Identity Management · 1-10 employees · Est. 2017 · Startup · Hiring 6
Thirdfort is a London risk technology company founded in 2017 that verifies identity and source of funds for property transactions. Its app checks documents, biometrics and bank data so conveyancers can meet anti-money laundering duties without paper processes. The company works with thousands of law firms and estate agents.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago Visa sponsor 2 months ago Fading · 28%

Senior Software Engineer

up to $134k per year · Senior · Hybrid (London, United Kingdom) · Full-Time · Senior
Go
TypeScript
JavaScript
AI/ML
Cursor
Claude Code
Copilot
Frontend
React.js
DevOps
GCP
AWS
+1
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Cogna

cogna.co
cogna.co · HQ: London, United Kingdom · Custom Software Development · AI Consulting & Integration · Est. 2023 · Startup · Hiring 3
HQ: London, United Kingdom · Custom Software Development · AI Consulting & Integration · Est. 2023 · Startup · Hiring 3
Headquartered in London, United Kingdom, Cogna is an artificial intelligence technology company that builds custom enterprise software for traditional industries like utilities, manufacturing, and infrastructure. Founded in 2023, the startup utilizes an AI-powered platform to automate the IT consultancy process and rapidly deploy solutions tailored to complex operational challenges.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago Visa sponsor 2 months ago Hiring now · 77%

Software Engineer Intern (2027 Cohort)

Intern · In office (London, United Kingdom) · Internship · Intern
Rust
Haskell
OCaml
Go
C#
TypeScript
C++
Java
Python
AI/ML
OpenAI Codex
Cursor
Claude Code
AI Agents
Function Calling
LLM
Management
Notion
+8
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Hiscox

hiscoxgroup.com
hiscoxgroup.com · HQ: Hamilton, Bermuda · Reinsurance · Property & Casualty Insurance · 1001-5000 employees · Est. 1901 · Trust B · Hiring 77, 8 new
HQ: Hamilton, Bermuda · Reinsurance · Property & Casualty Insurance · 1001-5000 employees · Est. 1901 · Trust B · Hiring 77, 8 new
Hiscox is an international specialist insurance group headquartered in Hamilton, Bermuda, and listed on the London Stock Exchange, underwriting business, home, fine art, cyber, kidnap and ransom and other specialty risks. With roots in the Lloyd's market going back to 1901, it employs more than 3,000 staff in 31 offices across 13 countries and runs retail units in the UK, Europe and the US alongside its London market and reinsurance businesses. It hires underwriters, claims handlers and analysts, software, data, platform security and enterprise architecture engineers, product managers and finance and reporting specialists in locations such as London, York, Munich and Amsterdam.
No named decision-maker yet.
Careers mailbox is known
Verified live · 8 hours ago 2 months ago Likely open · 46%

Senior Software Engineer

≈ $72k – $140k per year (Estimated) · Senior · 5+ years exp · Hybrid (York, London, United Kingdom) · Full-Time · Senior
C#
SQL
TypeScript
JavaScript
C#
Blazor
.NET
Databases
Azure SQL Database
Frontend
Angular
DevOps
Azure
CI/CD
Management
Scrum
+3
Apply

Norton Rose Fulbright

nortonrosefulbright.com
nortonrosefulbright.com · HQ: London, United Kingdom · Legal Services · 5000+ employees · Est. 2007 · Trust B · Hiring 101, 2 new
HQ: London, United Kingdom · Legal Services · 5000+ employees · Est. 2007 · Trust B · Hiring 101, 2 new
Norton Rose Fulbright is a global law firm headquartered in London, England, providing business law services to corporations and financial institutions in areas such as banking and finance, corporate and M&A, litigation and disputes, energy, regulation, intellectual property, tax and employment. Formed in 2013 by the combination of Norton Rose and the US firm Fulbright and Jaworski, it has more than 3,000 lawyers and over 7,000 staff in the United States, Europe, Canada, Latin America, Asia, Australia, Africa and the Middle East. It hires associates, counsel, paralegals, docketing and business development staff, eDiscovery and cyber specialists, data scientists and AI engineers.
No named decision-maker yet.
No careers mailbox known
Verified live · 14 min ago Visa sponsor 2 months ago Long shot · 18%

Full Stack Product Engineer

≈ $65k – $148k per year (Estimated) · Middle · 3+ years exp · In office (London, United Kingdom) · Middle
Node JS
TypeScript
Python
JavaScript
Python
FastAPI
AI/ML
Structured Outputs
LLM
OpenAI
Frontend
Next.js
React.js
DevOps
Git
Docker
Azure
CI/CD
Bicep
GitHub Actions
Azure DevOps
Terraform
Cybersecurity
Microsoft Entra ID
Design
Figma
+12
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Founders Factory

foundersfactory.com
foundersfactory.com · HQ: London, United Kingdom · Venture Capital · Angel Networks & Startup Accelerators · Est. 2015 · Hiring 17, 2 new
HQ: London, United Kingdom · Venture Capital · Angel Networks & Startup Accelerators · Est. 2015 · Hiring 17, 2 new
Headquartered in London, United Kingdom, Founders Factory is a leading global startup accelerator and venture studio established in 2015. The firm collaborates with major corporate partners to build and fund early-stage technology ventures across key sectors, including fintech, health, climate, and deep tech. Combining direct capital investment with hands-on operational support, the organization has helped scale hundreds of startups worldwide through its expanding international network of innovation hubs.
No named decision-maker yet.
Careers mailbox is known
Verified live · 1 hour ago 2 months ago Hiring now · 78%

Founding Engineer - Ambient Care Startup

≈ $71k – $173k per year (Estimated) · Hybrid (London, United Kingdom, Cambridge, United States) · Full-Time
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Ebury

ebury.com
ebury.com · HQ: London, United Kingdom · Factoring & Trade Finance · Currency Exchange & FX Payments · 1001-5000 employees · Est. 2009 · Trust B · Hiring 147, 36 new
HQ: London, United Kingdom · Factoring & Trade Finance · Currency Exchange & FX Payments · 1001-5000 employees · Est. 2009 · Trust B · Hiring 147, 36 new
Ebury is a financial services company founded in London in 2009 that provides cross-border payments, currency risk management and lending to small and medium-sized businesses trading internationally. Its position is the gap between banks, which serve large corporates properly and smaller ones poorly, and consumer transfer services that cannot handle hedging or trade finance. Headquartered in London and majority owned by Banco Santander since 2019, it holds payment licences across many jurisdictions and has grown through acquisitions in Latin America and continental Europe.
No named decision-maker yet.
Careers mailbox is known
Verified live · 4 hours ago 2 months ago Long shot · 17%

Senior Software Engineer (Money Flows)

≈ $88k – $171k per year (Estimated) · Senior · Hybrid (London, United Kingdom) · Senior · English
Python
Python
FastAPI
Django
Databases
Apache Kafka
PostgreSQL
DevOps
Kibana
Prometheus
Jenkins
Terraform
Kubernetes
AWS
+3
Apply
Open 124 daysVerified live · 4 hours ago 5 months ago Long shot · 7%

Senior Fullstack Engineer (Payments Experience)

≈ $87k – $169k per year (Estimated) · Senior · 7+ years exp · Hybrid (London, United Kingdom) · Bachelor's Degree · Senior
Java
Python
Mobile
Firebase
Twilio
DevOps
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
+2
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Xelix

xelix.com
xelix.com · HQ: London, United Kingdom · Financial AI · Fraud Detection · Accounting & Tax Software · 201-500 employees · Startup · Hiring 25
HQ: London, United Kingdom · Financial AI · Fraud Detection · Accounting & Tax Software · 201-500 employees · Startup · Hiring 25
Xelix is a SaaS company focused on helping organisations reduce financial risk and wasted spend by improving how they detect and investigate issues in their payables and wider finance processes. From its positioning and product focus, it sits in the finance operations and risk space, using software to surface anomalies that can be hard to spot through manual checks or traditional reporting. For job seekers, that typically means working on a product where accuracy, trust, and clear outcomes matter, and where the end goal is to help finance teams make better decisions and prevent problems before they scale.
No named decision-maker yet.
Careers mailbox is known
Verified live · 26 min ago 2 months ago Fading · 44%

Senior Python Backend Software Developer

≈ $86k – $167k per year (Estimated) · Senior · 4+ years exp · Hybrid (London, United Kingdom) · Bachelor's Degree · Full-Time · Senior
SQL
Python
Python
Flask
Django
Django REST Framework
Databases
PostgreSQL
DevOps
Jenkins
GitHub
Terraform
Rest API
Docker
+3
Apply
Verified live · 26 min ago 2 months ago Fading · 32%

Python Software Developer - Backend

≈ $63k – $143k per year (Estimated) · Middle · 3+ years exp · Hybrid (London, United Kingdom) · Bachelor's Degree · Full-Time · Middle
Python
SQL
Python
Django
Django REST Framework
Databases
PostgreSQL
DevOps
Rest API
Jenkins
GitHub
Terraform
Docker
+2
Apply

Crunchyroll

crunchyroll.com
crunchyroll.com · HQ: Los Angeles, United States · Film Distribution · Animation · Streaming & OTT Platforms · 1001-5000 employees · Est. 2006 · Trust B · Hiring 74, 4 new
HQ: Los Angeles, United States · Film Distribution · Animation · Streaming & OTT Platforms · 1001-5000 employees · Est. 2006 · Trust B · Hiring 74, 4 new
Crunchyroll is an anime streaming and entertainment company headquartered in Los Angeles that offers a subscription video service with a large library of licensed anime alongside theatrical releases, games, manga, merchandise, collectibles and fan events. Founded in 2006 and owned by Sony since 2021, it operates as a joint venture of Sony Pictures Entertainment and Aniplex and serves fans in more than 200 countries and territories, with offices in San Francisco, Dallas, Tokyo, London, Mexico City and Hyderabad. It hires software engineers for its apps and media delivery, finance, tax and FP&A staff, marketing, partnerships, rights and communications managers and consumer products roles.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago Visa sponsor 2 months ago Fading · 25%

Staff Software Engineer, Partner Engineering

≈ $169k – $300k per year (Estimated) · Staff+ · 12+ years exp · Hybrid (London, United Kingdom) · Bachelor's Degree · Staff
Node JS
TypeScript
JavaScript
Frontend
React.js
DevOps
WebSockets
Apply

Ramp

ramp.com
ramp.com · HQ: New York, United States · Software · Commerce · Artificial Intelligence · Cards & Card Issuing · Procurement & Spend Management · 1001-5000 employees · Est. 2019 · Trust A · Hiring 147, 8 new
HQ: New York, United States · Software · Commerce · Artificial Intelligence · Cards & Card Issuing · Procurement & Spend Management · 1001-5000 employees · Est. 2019 · Trust A · Hiring 147, 8 new
Ramp is a financial operations and spend management platform designed to help businesses automate finance tasks, control spending, and accelerate month-end close. Founded in 2019 and headquartered in New York City, Ramp provides an all-in-one platform combining modern corporate cards with workflow software.
Thomas Racca · Executive Officer, Director · decision-maker
Deborah Farrington · Director
Paul Ciriello · Director
No careers mailbox known
Top 25% payVerified live · 1 hour ago 2 months ago Fading · 36%

Software Engineer, International

$142k – $201k per year · Senior · 5+ years exp · Hybrid (London, United Kingdom) · Relocation · Full-Time · Senior
Platform Engineering
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Our Future Health

ourfuturehealth.org.uk
ourfuturehealth.org.uk · HQ: Salford, United Kingdom · Research Institutes · Public Health & Prevention · 5000+ employees · Est. 2019 · Trust A · Hiring 20, 2 new
HQ: Salford, United Kingdom · Research Institutes · Public Health & Prevention · 5000+ employees · Est. 2019 · Trust A · Hiring 20, 2 new
This UK charity runs a large population health research programme that recruits millions of adult volunteers to share health data, blood samples and questionnaires. Researchers use the resulting dataset to study earlier detection, prevention and treatment of diseases such as dementia, cancer, diabetes and heart disease. The organisation is headquartered in Salford, England, United Kingdom.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago 2 months ago Long shot · 14%

Software Engineer - (Typescript & Node)

$80k per year · Hybrid (London, United Kingdom) · Full-Time
Node JS
TypeScript
Python
JavaScript
Databases
PostgreSQL
Frontend
GraphQL
WebAssembly
React.js
DevOps
Terraform
Kubernetes
Azure
Incident Management
GitHub
Git
GCP
CI/CD
AWS
+9
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Verified live · 3 hours ago 2 months ago Long shot · 22%

Staff Engineer (Architect) - Researcher Operations

$141k per year · Staff+ · London · Remote (United Kingdom) · Full-Time · Architect
Node JS
Python
Ruby
JavaScript
Ruby
Ruby on Rails
Databases
PostgreSQL
DevOps
Incident Management
GitHub
Terraform
Git
GCP
Azure
CI/CD
AWS
+6
Apply
Verified live · 3 hours ago 3 months ago Long shot · 13%

Staff Software Engineer - Data Platforms

$141k per year · Staff+ · London · Remote (United Kingdom) · Full-Time · Staff
Python
Databases
Databricks
PostgreSQL
AI/ML
Dagster
Prefect
Spark
DevOps
Helm
New Relic
Incident Management
Prometheus
Grafana
Ansible
GitHub
Terraform
Git
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
Life Sciences
CDISC
MedTech
FHIR
+15
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Clear Street

clearstreet.io
clearstreet.io · HQ: New York, United States · Stock Exchanges & Market Infrastructure · Online Brokerage & Trading Platforms · 501-1000 employees · Est. 2018 · Startup · Trust B · Hiring 46, 2 new
HQ: New York, United States · Stock Exchanges & Market Infrastructure · Online Brokerage & Trading Platforms · 501-1000 employees · Est. 2018 · Startup · Trust B · Hiring 46, 2 new
Clear Street is a financial technology and prime brokerage firm that provides a cloud-native capital markets platform for institutional and sophisticated active investors. The company offers an integrated suite of services, including prime brokerage, clearing, settlement, securities lending, low-latency execution, and API-driven trading infrastructure across equities, options, and digital assets. Headquartered in New York, United States, the enterprise serves hedge funds, asset managers, broker-dealers, and active individual traders globally.
Tim Dunham · Executive Officer · decision-maker
Chris Pento · Executive Officer, Director · decision-maker
Christy Moccia · Executive Officer · decision-maker
Steven Bisgay · Executive Officer · decision-maker
No careers mailbox known
Verified live · 1 hour ago Visa sponsor 2 months ago Likely open · 61%

Software Engineer, Regulatory Reporting

≈ $70k – $159k per year (Estimated) · Middle · 3+ years exp · In office (London, United Kingdom) · Middle
SQL
Python
Databases
Snowflake
DevOps
CI/CD
Rest API
Docker
Kubernetes
Apply
Verified live · 1 hour ago Visa sponsor 2 months ago Fading · 40%

Software Engineer - Payments Systems

≈ $84k – $203k per year (Estimated) · In office (London, United Kingdom)
TypeScript
Java
Python
Java
Spring Boot
Databases
Apache Kafka
DevOps
Kubernetes
gRPC
Rest API
Azure
AWS
+2
Apply
Verified live · 1 hour ago Visa sponsor 2 months ago Likely open · 46%

Senior Software Engineer - Futures and Options Execution Services

≈ $93k – $181k per year (Estimated) · Senior · 8+ years exp · In office (London, United Kingdom) · Senior
Rust
Java
Databases
Apache Kafka
DevOps
Kubernetes
Azure
AWS
Apply

Capstone Investment Advisors

capstoneinvestmentadvisors.com
capstoneinvestmentadvisors.com · HQ: New York, United States · Asset Management & Funds · Hedge Funds & Alternative Investments · 201-500 employees · Est. 2004 · Trust A · Hiring 14
HQ: New York, United States · Asset Management & Funds · Hedge Funds & Alternative Investments · 201-500 employees · Est. 2004 · Trust A · Hiring 14
Capstone Investment Advisors is a global alternative investment management firm that operates a broad range of derivatives-based strategies with a focus on volatility. It was formed in 2007 and has offices in London, Amsterdam, Tokyo, California and Stamford, and it hires interns in quantitative, risk technology and investment teams. The firm is headquartered in New York, United States.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago Visa sponsor 2 months ago Hiring now · 86%

Enterprise Software Engineer

≈ $62k – $141k per year (Estimated) · Middle · 4+ years exp · In office (London, United Kingdom) · Bachelor's Degree · Middle
C#
Java
SQL
Python
Apply
Verified live · 2 hours ago Visa sponsor 8 months ago Fading · 30%

Software Engineer, Treasury

≈ $62k – $141k per year (Estimated) · Middle · 4+ years exp · In office (London, United Kingdom) · Bachelor's Degree · Middle
C#
Java
SQL
Python
Apply

Blenheim Chalcot

blenheimchalcot.com
blenheimchalcot.com · HQ: London, United Kingdom · Angel Networks & Startup Accelerators · Venture Capital · 1001-5000 employees · Est. 1998 · Hiring 10
HQ: London, United Kingdom · Angel Networks & Startup Accelerators · Venture Capital · 1001-5000 employees · Est. 1998 · Hiring 10
Blenheim Chalcot is an AI-powered tech venture builder, scaling tech businesses with innovative strategies and global expertise.
No named decision-maker yet.
Careers mailbox is known
Verified live · 2 hours ago 2 months ago Long shot · 14%

Junior Software Engineer

≈ $53k – $124k per year (Estimated) · Junior · In office (London, United Kingdom) · Junior
SQL
Python
AI/ML
dbt
Claude Code
AI Agents
DevOps
GitHub
Git
AWS
Apply

Fospha

fospha.com
fospha.com · HQ: London, United Kingdom · Marketing Analytics & Attribution · Est. 2015 · Trust B · Hiring 9
HQ: London, United Kingdom · Marketing Analytics & Attribution · Est. 2015 · Trust B · Hiring 9
Fospha is a London marketing measurement company founded in 2015 that attributes online sales across channels. Its models reconstruct the full customer journey using first-party data, which restores visibility lost as browser tracking was restricted. The company works with direct-to-consumer and commerce brands spending heavily on paid media.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago Visa sponsor 2 months ago Long shot · 13%

Junior Software Engineer

≈ $52k – $120k per year (Estimated) · Junior · 2+ years exp · In office (London, United Kingdom) · Junior
SQL
Python
TypeScript
JavaScript
Databases
DynamoDB
Amazon Aurora
PostgreSQL
AI/ML
AI Agents
Claude Code
Frontend
Next.js
React.js
GraphQL
DevOps
GitHub
Rest API
Git
AWS
+8
Apply

Talos

talos.com
talos.com · HQ: New York, United States · Crypto Exchanges · Financial Software & Embedded Finance · 51-200 employees · Est. 2018 · Startup · Trust A · Hiring 19, 2 new
HQ: New York, United States · Crypto Exchanges · Financial Software & Embedded Finance · 51-200 employees · Est. 2018 · Startup · Trust A · Hiring 19, 2 new
Talos is an institutional digital asset trading technology company founded in 2018 and headquartered in New York. It provides order and execution management systems that connect banks, funds and brokers to a wide range of liquidity venues. The platform covers the full trade lifecycle including allocation, settlement and portfolio management.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago 2 months ago Hiring now · 72%

Software Engineer Intern, Infrastructure

Intern · In office (London, United Kingdom) · Bachelor's Degree · Internship · Intern
Java
Python
DevOps
Platform Engineering
GitHub
Linux
GCP
CI/CD
AWS
Apply
Verified live · 3 hours ago 2 months ago Hiring now · 72%

Software Engineer Intern, Trading

Intern · In office (London, United Kingdom) · Bachelor's Degree · Internship · Intern
C++
Java
Databases
PostgreSQL
DevOps
GitHub
Apply

Purdue

purdue.ca
purdue.ca · Toronto · Tokyo · Seoul · London · Jakarta · OTC & Consumer Health Products · Prescription Drugs · 1001-5000 employees · Trust B · Hiring 32, 5 new
Toronto · Tokyo · Seoul · London · Jakarta · OTC & Consumer Health Products · Prescription Drugs · 1001-5000 employees · Trust B · Hiring 32, 5 new
Purdue Pharma (Canada) is a pharmaceutical industry leader that provides accessible analgesia and consumer health solutions.
No named decision-maker yet.
No careers mailbox known
Verified live · 7 hours ago 2 months ago Fading · 32%

AI Accelerated Applications Engineer

≈ $48k – $111k per year (Estimated) · Junior · 2+ years exp · In office (Cambridge, London, United Kingdom) · Full-Time · Junior
TypeScript
JavaScript
SQL
Python
AI/ML
Copilot Studio
Cursor
Claude Code
Copilot
AI Agents
DevOps
GitHub
Azure
Cybersecurity
GDPR
+4
Apply

Medtronic

medtronic.com
medtronic.com · HQ: Dublin, Ireland · Orthopedic & Spine Implants · Diabetes Devices · Surgical Instruments & Devices · Neurotech & Neuromodulation · Cardiovascular Devices · 5000+ employees · Est. 1949 · NYSE: MDT · Trust A · Hiring 728, 144 new
HQ: Dublin, Ireland · Orthopedic & Spine Implants · Diabetes Devices · Surgical Instruments & Devices · Neurotech & Neuromodulation · Cardiovascular Devices · 5000+ employees · Est. 1949 · NYSE: MDT · Trust A · Hiring 728, 144 new
Medtronic is one of the largest medical device manufacturers in the world, founded in a Minneapolis garage in 1949 as a repair shop for hospital equipment before building the first wearable cardiac pacemaker. Its portfolio now spans cardiac rhythm devices, heart valves, neuromodulation and neurosurgery, surgical stapling and robotics, spinal implants and diabetes management systems sold in more than one hundred and fifty countries. The company is legally domiciled in Ireland after its 2015 combination with Covidien, while its operational headquarters and most of its research remain in Minnesota.
Geoff Martha · Chairman and Chief Executive Officer · decision-maker
Palmer Hermundslie · Co-founder · founder
Earl Bakken · Co-founder · founder
No careers mailbox known
Verified live · 10 hours ago Visa sponsor 2 months ago Long shot · 18%

Senior Software Engineer – C++ / Video Processing

$103k – $154k per year · Senior · In office (London, United Kingdom) · Full-Time · Senior
C++
AI/ML
Computer Vision
DevOps
Linux
Apply
Verified live · 10 hours ago Visa sponsor 2 months ago Long shot · 18%

Senior Software Engineer – Python

$103k – $154k per year · Senior · 2+ years exp · In office (London, United Kingdom) · Full-Time · Senior
Python
AI/ML
Computer Vision
LLM
Machine Learning
DevOps
Terraform
Docker
GCP
CI/CD
AWS
Management
Kanban
Scrum
+3
Apply
Open 122 daysVerified live · 10 hours ago Visa sponsor 4 months ago Long shot · 11%

Senior Software Engineer

$103k – $154k per year · Senior · 2+ years exp · In office (London, United Kingdom) · Bachelor's Degree · Full-Time · Senior
C++
C++
Google Test
Qt
AI/ML
Computer Vision
DevOps
gRPC
Unix
Linux
AWS
Robotics
Zenoh
+1
Apply

Caxton

caxton.com
caxton.com · New York · Dubai · Bengaluru · London · Hedge Funds & Alternative Investments · Est. 1983 · Trust A · Hiring 22, 3 new
New York · Dubai · Bengaluru · London · Hedge Funds & Alternative Investments · Est. 1983 · Trust A · Hiring 22, 3 new
A relentless pursuit of excellence.. Our goal: to deliver consistent absolute returns for our investors irrespective of the market environment. Rigorous analysis, disciplined risk management, and a relentless pursuit of excellence underpin Caxton's reputation as a market leader.
No named decision-maker yet.
No careers mailbox known
Verified live · 4 hours ago 2 months ago Fading · 32%

Senior Software Engineer (C# / .NET) - Team Lead

≈ $96k – $193k per year (Estimated) · Lead · In office (London, United Kingdom) · Full-Time · Staff
C#
SQL
Python
C#
.NET
DevOps
Amazon EC2
Docker
CI/CD
AWS
Apply

James Cohan Gallery

artlogic.net
artlogic.net · London · New York · Cape Town · Exhibitions · Business Directories & Listings · 11-50 employees · Hiring 1
London · New York · Cape Town · Exhibitions · Business Directories & Listings · 11-50 employees · Hiring 1
Artlogic is a long-established international art technology firm. We provide websites, an inventory management system and apps for the global fine art community.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago 2 months ago Likely open · 46%

Senior Software Engineer

≈ $88k – $171k per year (Estimated) · Senior · Hybrid (London, United Kingdom) · Senior
SQL
C#
TypeScript
Python
AI/ML
Human-in-the-Loop
LLM Guardrails
Agentic Workflows
LLM
AI Agents
Frontend
GraphQL
DevOps
Datadog
GitLab CI
FinOps
GitHub Actions
Grafana
Rest API
Docker
CI/CD
GCP
Azure
AWS
+13
Apply
Report

Marex

marex.com
marex.com · HQ: London, United Kingdom · Financial Data & Market Intelligence · Online Brokerage & Trading Platforms · 1001-5000 employees · Trust B · Hiring 71, 6 new
HQ: London, United Kingdom · Financial Data & Market Intelligence · Online Brokerage & Trading Platforms · 1001-5000 employees · Trust B · Hiring 71, 6 new
Marex is a diversified global financial services platform headquartered in London that provides clearing, market making, agency and execution, and hedging and investment solutions across energy, commodity and financial markets. It serves producers, consumers, traders and institutions in agriculture, energy, environmental, metals and capital markets from offices in Europe, the Americas and Asia Pacific, and its shares trade on Nasdaq in New York. Its openings include operations and clearing analysts, product controllers, audit managers, IT and service reliability support staff, product designers, business resilience analysts and executive assistants, mostly in London, New York and Chicago.
No named decision-maker yet.
Careers mailbox is known
Verified live · 13 min ago 2 months ago Long shot · 8%

Software Developer | Capital Markets

≈ $71k – $173k per year (Estimated) · In office (London, United Kingdom) · Full-Time
Node JS
C#
SQL
TypeScript
Java
JavaScript
C#
ASP.NET Core
WPF
Databases
MongoDB
RabbitMQ
Apache Kafka
AI/ML
Context Engineering
AI Agents
OpenAI Codex
Claude
Copilot
Frontend
React.js
Vue.js
Angular
DevOps
Bitbucket
Platform Engineering
Rest API
Git
Linux
CI/CD
AWS
WebSockets
DNS
Docker
GCP
Kubernetes
Azure
Management
Kanban
Service Desk
Jira
Scrum
Agile
+29
Apply
Verified live · 13 min ago 2 months ago Long shot · 8%

Software Developer | Energy Trading Operations

≈ $70k – $171k per year (Estimated) · In office (London, United Kingdom) · Full-Time
C#
TypeScript
JavaScript
C#
.NET
Frontend
Angular
React.js
DevOps
Terraform
CI/CD
AWS
Docker
Kubernetes
Management
Service Desk
Scrum
Agile
+6
Apply
Machines can read this selection · checked 11:39 UTC
Backend Developer Salary in London
Frequently asked questions
How many Backend Developer jobs in London are available on Alion?
There are currently 1269 active listings from 615 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in London pay?
The average salary is around $190,840 per year based on the current listings.
Are remote options available for Backend Developer jobs in London?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in London?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.