Backend Developer Jobs in London

Backend Developer jobs in London hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $213,225/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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Quantum

Luma AI

lumalabs.ai
Luma AI is an artificial intelligence company that specializes in building advanced 3D visual technology and generative AI tools. Founded in 2021, the company is best known for its realistic text-to-3D models, NeRF (Neural Radiance Fields) capture app, and its high-quality video generation model, Dream Machine. By enabling creators and developers to easily capture, generate, and edit photorealistic 3D assets and video, it aims to make next-generation digital media creation accessible to everyone.
lumalabs.ai • HQ: Palo Alto, United States • Artificial Intelligence • Generative Image • Generative Video • Est. 2021
HQ: Palo Alto, United States • Artificial Intelligence • Generative Image • Generative Video • Est. 2021
Verified live · 1 day ago 2 months ago

Forward Deployed Engineer

$79k – $188k per year (Estimated) • Junior • 2+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time • Junior
Python
TypeScript
Apply
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Elyos AI

elyos.ai
Elyos AI builds AI agents for trade and field service businesses. Handle calls, book jobs, confirm appointments, and grow — all without adding headcount. Works with Simpro, ServiceTitan, JobLogic and more.
elyos.ai • London • Technical Support • Artificial Intelligence • AI Agents
London • Technical Support • Artificial Intelligence • AI Agents
Verified live · 1 day ago 2 months ago

Founding Engineer

$83k – $187k per year (Estimated)In office (London, United Kingdom) • Full-Time
Python
TypeScript
AI/ML
AI Agents
Edge AI
Together AI
DevOps
Kubernetes
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Open 221 dayVerified live · 1 day ago 8 months ago

Staff Software Engineer

$135k – $293k per year (Estimated) • Staff+ • In office (London, United Kingdom) • Full-Time • Staff
Python
TypeScript
AI/ML
AI Agents
Edge AI
Together AI
DevOps
Kubernetes
Apply
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Myedspace

myedspace.com
We're on a mission to make a world-class education truly accessible to all. Expert teachers, unbeatable value — now helping US students get ahead.
myedspace.com • London • Education • EdTech Platforms
London • Education • EdTech Platforms
Verified live · 1 day ago 2 months ago

Senior Full-Stack Engineer

$87k – $165k per year (Estimated) • Senior • Remote (United Kingdom) • Full-Time • Senior
Java
Node JS
PHP
TypeScript
JavaScript
Frontend
React.js
DevOps
AWS
CI/CD
Apply
Verified live · 1 day ago 2 months ago

Senior Full-Stack Engineer

$66k – $188k per year (Estimated) • Senior • Remote (EU, Europe) • Full-Time • Senior
Java
Node JS
PHP
TypeScript
JavaScript
Frontend
React.js
DevOps
AWS
CI/CD
Apply
Report

Hugging Face

huggingface.co
Hugging Face is an American company, founded in 2016 and headquartered in New York, that runs the largest open platform for sharing machine learning models, datasets and demonstration applications. Its Hub hosts more than a million public models and is often described as the GitHub of machine learning, while its open-source libraries such as Transformers, Diffusers and Datasets are standard tools in research and production pipelines. The company earns revenue from paid Hub features, managed inference endpoints and enterprise deployments, and works with cloud and chip vendors to make open models easy to run anywhere.
huggingface.co • HQ: New York, United States • Software • MLOps • Machine Learning • LLM & Generative AI • Artificial Intelligence • 201-500 employees • Est. 2016
HQ: New York, United States • Software • MLOps • Machine Learning • LLM & Generative AI • Artificial Intelligence • 201-500 employees • Est. 2016
$53k – $102k per year (Estimated) • Senior • Paris • Remote (EMEA) • Master's Degree • Full-Time • Senior
C++
Go
Python
Rust
TypeScript
AI/ML
Gradio
Hugging Face
DevOps
GitHub
AWS
Azure
GCP
Kubernetes
Apply
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Light

light.co
Light enables machines to see like humans using a camera-based perception platform that revolutionizes perception for the next generation of vehicles, with or without a driver.
light.co • London • Copenhagen • Munich • New York • Amsterdam • Autonomous Driving • Artificial Intelligence • Computer Vision
London • Copenhagen • Munich • New York • Amsterdam • Autonomous Driving • Artificial Intelligence • Computer Vision
Verified live · 5 hours ago 2 months ago

Agentic Customer Engineer

$63k – $147k per year (Estimated) • Equity • Middle • 3+ years expIn office (London, United Kingdom) • Full-Time • Middle
AI Agents
ChatGPT
LLM
LLM Guardrails
Lovable
Apply
Verified live · 5 hours ago 3 months ago

Integration Engineer

$62k – $145k per year (Estimated) • Equity • Middle • 4+ years expRemote/Hybrid (London, United Kingdom) • Full-Time • Middle
JavaScript
Go
Kotlin
AI/ML
Lovable
Frontend
React.js
DevOps
AWS
Terraform
Apply
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Mimica

mimica.ai
Mimica watches you work and learns to automate your most repetitive tasks. Its research and tech are backed by Entrepreneur First, Europe's most successful accelerator and seed fund.
mimica.ai • HQ: London, United Kingdom • AI Agents • Software • Business Process Automation (BPA) • 201-500 employees
HQ: London, United Kingdom • AI Agents • Software • Business Process Automation (BPA) • 201-500 employees
Verified live · 9 hours ago 2 months ago

Staff/Senior Backend Engineer (Node.js)

$128k – $212k per year (Estimated) • Equity • Staff+ • 8+ years expDublinTorontoLondonAmsterdamWarsaw • Remote (United Kingdom, Germany, Brazil, Canada, Czech Republic) • Full-Time • Staff
JavaScript
Node JS
TypeScript
Databases
PostgreSQL
DevOps
Docker
Kubernetes
Apply
Open 159 daysVerified live · 9 hours ago 6 months ago

Staff/Lead Fullstack Engineer (Frontend-focused)

$95k – $191k per year (Estimated) • Equity • Lead • 8+ years expBuenos AiresBerlinAmsterdamPragueBarcelona • Remote (Germany, United Kingdom, Argentina, Brazil, Czech Republic) • Full-Time • Staff • English: C1
JavaScript
AI/ML
LLM
AI Agents
Frontend
React.js
Apply
Open 224 daysVerified live · 9 hours ago 8 months ago

Staff/Lead Python Engineer (FastAPI, Orchestration)

$96k – $194k per year (Estimated) • Equity • Lead • 8+ years expBerlinLondonAmsterdamWarsawStockholm • Remote (United Kingdom, Germany, Brazil, Canada, Czech Republic) • Full-Time • Staff • English: C1
Python
AI/ML
LLM
AI Agents
DevOps
Grafana
Loki
Prometheus
GCP
Apply
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Ledgy

ledgy.com
Ledgy is a digital equity and executive compensation management platform headquartered in Zurich, Switzerland. Founded in 2017 by Yoko Spirig, Ben Banisch, and Timo Horstschäfer, the company provides automated capitalization table (cap table) management, share plan administration, and financial reporting software designed for high-growth startups and global enterprises. Operating on a B2B SaaS subscription model, Ledgy serves finance, HR, and legal teams by orchestrating employee equity incentive plans, modeling round financing and exit scenarios, automating multi-jurisdictional compliance, and delivering transparent owner dashboards for employees and investors.
ledgy.com • HQ: Zurich, Switzerland • Commerce • Data Visualization • Marketplaces • Data & Analytics • Est. 2017
HQ: Zurich, Switzerland • Commerce • Data Visualization • Marketplaces • Data & Analytics • Est. 2017
Verified live · 1 day ago 2 months ago

Mid-Level Software Engineer

$62k – $145k per year (Estimated) • Equity • Middle • 3+ years expRemote/Hybrid (London, United Kingdom) • Internship • Middle
JavaScript
Node JS
TypeScript
Frontend
React.js
Tailwind CSS
tRPC
DevOps
Docker
GCP
GitHub Actions
Kubernetes
Terraform
GitHub
Apply
Open 287 daysVerified live · 1 day ago 10 months ago

Staff/Senior Software Engineer

$135k – $291k per year (Estimated) • Staff+ • 7+ years expRemote/Hybrid (London, United Kingdom) • Internship • Staff
JavaScript
Node JS
TypeScript
AI/ML
AI Agents
Frontend
React.js
Tailwind CSS
tRPC
DevOps
Docker
GCP
GitHub Actions
Kubernetes
Terraform
GitHub
Apply
Report

Edenred

edenred.mx
Edenred México ofrece soluciones en tarjetas de despensa, regalo, restaurante, tarjetas de gasolina y tarjetas de pagos empresariales.
edenred.mx • Montrouge • Taipei • Mexico City • São Paulo • Porto Alegre • 5000+ employees
Montrouge • Taipei • Mexico City • São Paulo • Porto Alegre • 5000+ employees
Verified live · 2 hours ago 2 months ago

Software Engineer

$78k – $175k per year (Estimated)In office (London, United Kingdom) • Full-Time
JavaScript
SQL
Java
Java
Hibernate
Spring Boot
Maven
Mobile
JUnit
DevOps
AWS
Git
Jenkins
Apply
Verified live · 2 hours ago 2 months ago

Software Engineer

up to $88k per year • Remote/Hybrid (London, United Kingdom) • Full-Time
Java
Kotlin
Java
Hibernate
Spring Boot
Apache Tomcat
Maven
Kotlin
Mockito
Databases
PostgreSQL
Mobile
JUnit
Clean Architecture
DevOps
AWS
Docker
Git
Jenkins
Amazon ECS
Management
Jira
Apply
Report

I Am Here

iamheretribe.com
I Am Here is part of the Pulse Learning Group and provides evidence-based mental health and wellbeing solutions aimed at improving employee health, productivity, and engagement. As the partner of choice for businesses seeking to create safe and productive teams, I Am Here delivers solutions that are easy to use, measurable, and effective. The program encourages the use of Employee Assistance Programs and helps cultivate mentally healthy workplaces through compassionate connections and conversations.
iamheretribe.com • Toronto • Wellness Programs • Health Care • Mental Health
Toronto • Wellness Programs • Health Care • Mental Health
Verified live · 9 hours ago 2 months ago

Software Developer – Cloud Solutions

$68k – $191k per year (Estimated) • Middle • 3+ years exp • Remote (EMEA, United States, Canada) • Bachelor's Degree • Contractor • Middle
C#
C++
Go
Java
Python
Rust
SQL
TypeScript
AI/ML
AI Agents
DevOps
AWS
CI/CD
CloudFormation
Docker
Kubernetes
Terraform
Apply
Report

AppZen

appzen.com
Headquartered in San Jose, California, AppZen is a leading developer of AI-powered finance and spend automation software. The company provides autonomous accounts payable and expense auditing platforms that analyze transactions in real time to reduce fraud and compliance risks. By integrating seamlessly with existing enterprise systems, it enables global organizations to streamline financial workflows and optimize operational efficiency.
appzen.com • HQ: San Jose, United States • AI Agents • Financial Services • Artificial Intelligence
HQ: San Jose, United States • AI Agents • Financial Services • Artificial Intelligence
$90k – $220k per year (Estimated) • Senior • 5+ years exp • Remote (United Kingdom, United States, India) • Relocation • Visa sponsorship • Bachelor's Degree • Senior
Go
SQL
JavaScript
Python
Databases
Oracle
DevOps
Git
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Apply
Report

Happl

happl.com
Happl is a Global Employee Benefits provider that uses powerful automations and AI to reduce admin and ensure compliance, all year round. Happl hosts all your Benefits in one place, and our team is able to manage and broker insurance for your business.
happl.com • London • Professional Services • Human Resources
London • Professional Services • Human Resources
$93k – $169k per year (Estimated) • Senior • 4+ years expRemote/Hybrid (London, United Kingdom) • Visa sponsorship • Bachelor's Degree • Senior
Go
SQL
TypeScript
Databases
PostgreSQL
AI/ML
ChatGPT
Claude
DevOps
CI/CD
Apply
Open 194 daysVerified live · 1 day ago 7 months ago

Backend Engineer

$63k – $146k per year (Estimated) • Middle • 3+ years expRemote/Hybrid (London, United Kingdom) • Full-Time • Middle
Go
SQL
TypeScript
Databases
PostgreSQL
AI/ML
ChatGPT
Claude
DevOps
CI/CD
Apply
Report

Shieldpay

shieldpay.com
Shieldpay is a London company founded in 2016 that provides digital escrow and payment services for complex transactions. Law firms, corporate finance advisers and marketplaces use it to hold and distribute funds during deals and settlements. The company automates the verification and payout work that traditionally ran through client accounts.
shieldpay.com • HQ: London, United Kingdom • Financial Services • Legal Services • Professional Services • Est. 2016
HQ: London, United Kingdom • Financial Services • Legal Services • Professional Services • Est. 2016
Verified live · 1 day ago 2 months ago

Senior Software Engineer

$88k – $159k per year (Estimated) • Senior • Remote/Hybrid (London, United Kingdom) • Full-Time • Senior
C#
JavaScript
SQL
TypeScript
C#
ASP.NET Core
Entity Framework Core
Frontend
JQuery
Mobile
Dependency Injection
DevOps
AWS
AWS Lambda
Analytics
ETL/ELT
Apply
Report

Scarlet

scarlet.com
We pull medical technology from the future to solve human health. Authorised by governments around the world to assess medical AI, we remove unnecessary delays from every regulatory approval we do so patients get devices from the future, today.
scarlet.com • London • New York • Boston • Broadband • Telecommunications
London • New York • Boston • Broadband • Telecommunications
Verified live · 5 hours ago 2 months ago

Software Safety Engineer

$101k – $115k per year • Junior • 2+ years expIn office (London, United Kingdom) • Bachelor's Degree • Full-Time • Middle
Embeddings
Fine-tuning
RAG
Apply
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Gener8

gener8.net
Gener8 provides end-to-end guidance and engineering solutions to help innovators commercialize their product development ideas.
gener8.net • London • New York • Health & Medical Electronics • Medical Devices • Industrial Design • Est. 2002
London • New York • Health & Medical Electronics • Medical Devices • Industrial Design • Est. 2002
$92k – $224k per year (Estimated) • Senior • 5+ years exp • Remote (United States, United Kingdom) • Visa sponsorship • Master's Degree • Senior
Go
SQL
Databases
PostgreSQL
Redis
DevOps
Docker
GCP
gRPC
Kubernetes
GitHub
Management
Jira
Slack
QA
Swagger
Apply
Verified live · 2 days ago 2 months ago

Senior Backend Engineer

$94k – $171k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (London, United Kingdom) • Full-Time • Senior • English: B2
Go
SQL
Databases
PostgreSQL
Redis
DevOps
Docker
GCP
gRPC
Kubernetes
GitHub
Management
Jira
Slack
QA
Swagger
Apply
Report

Walmart

walmart.com
Walmart is a multinational retail corporation operating a vast global chain of hypermarkets, discount department stores, and grocery stores. Founded in 1962 by Sam Walton and headquartered in Bentonville, Arkansas, the company is one of the world's largest businesses by revenue and a dominant force in brick-and-mortar and online retail. Today, it integrates its physical store network with a growing e-commerce ecosystem, offering low prices on groceries, general merchandise, and digital services to millions of customers daily.
walmart.com • HQ: Bentonville, United States • Information Technology • Commerce • Retail & Shop Systems • E-commerce Platforms • 11-50 employees • Est. 1962
HQ: Bentonville, United States • Information Technology • Commerce • Retail & Shop Systems • E-commerce Platforms • 11-50 employees • Est. 1962
$19k – $53k per year (Estimated) • Middle • 2+ years expBengaluru • Remote (India, United States, United Kingdom) • Visa sponsorship • Bachelor's Degree • Senior
Java
SQL
Java
Hibernate
Spring Boot
Spring Framework
Spring MVC
Databases
Apache Kafka
DevOps
Azure
Apply
Report

Virtu-Hire

virtu-hire.com
virtu-hire.com • HQ: Johannesburg, South Africa • Professional Services • Human Resources
HQ: Johannesburg, South Africa • Professional Services • Human Resources
$85k – $207k per year (Estimated) • Senior • 5+ years exp • Remote (United Kingdom) • Visa sponsorship • Master's Degree • Senior
PHP
PHP
WordPress
Design
Webflow
Apply
Verified live · 3 hours ago 2 months ago

Full Stack Developer (UK hours)

Remote (United Kingdom)
PHP
SQL
C#
JavaScript
PHP
WordPress
C#
ASP.NET Core
Databases
MS SQL
AI/ML
LLM
Frontend
JQuery
Mobile
Clean Architecture
DevOps
Azure
Azure DevOps
CI/CD
Git
GitHub
Cybersecurity
GDPR
Apply
Verified live · 3 hours ago 2 months ago

Full-Stack Web Developer (UK hours)

Remote (United Kingdom)
PHP
PHP
WordPress
Design
Webflow
Apply
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Aristocrat Leisure

aristocrat.com
Aristocrat Leisure is an Australian gambling technology and entertainment company that stands as one of the world's largest manufacturers of slot machines and electronic gaming systems. Founded in 1953 and headquartered in Sydney, the enterprise designs, manufactures, and distributes land-based gaming hardware, casino management software, and mobile social casino games. By continually expanding its global footprint across North America, Europe, and Asia-Pacific, it delivers interactive gaming content and digital solutions to regulated operators worldwide.
aristocrat.com • HQ: Sydney, Australia • Mobile Games • Gaming • iGaming & Gambling • 501-1000 employees
HQ: Sydney, Australia • Mobile Games • Gaming • iGaming & Gambling • 501-1000 employees
Verified live · 1 day ago 2 months ago

Senior Engineer – Python

$84k – $152k per year (Estimated) • Senior • 3+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time • Senior
Python
C#
C++
Java
SQL
Databases
Snowflake
AI/ML
AI Agents
Copilot
Analytics
Power BI
Management
Power Automate
QA
Selenium
Apply
Open 131 dayVerified live · 1 day ago 5 months ago

Senior Software Developer

$80k – $144k per year (Estimated) • Senior • 8+ years expRemote/Hybrid (London, United Kingdom) • Full-Time • Senior
Java
Java
Spring Boot
DevOps
AWS
Azure
CI/CD
GCP
Apply
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Cisco Systems

cisco.com
Cisco Systems is an American multinational digital communications and technology conglomerate headquartered in San Jose, California. Founded in 1984 by Stanford computer scientists, Cisco is the world's largest networking equipment provider and a global leader in cybersecurity, cloud infrastructure, and enterprise software.
cisco.com • HQ: San Jose, United States • Enterprise Networks • Artificial Intelligence • Log Analytics • Government • AI Infrastructure • 1001-5000 employees • Est. 1984
HQ: San Jose, United States • Enterprise Networks • Artificial Intelligence • Log Analytics • Government • AI Infrastructure • 1001-5000 employees • Est. 1984
$78k – $181k per year (Estimated) • Middle • 3+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time • Middle
C++
Java
Python
Rust
Databases
NATS
AI/ML
AI Agents
DevOps
Docker
CI/CD
Git
Apply
$109k – $197k per year (Estimated) • Senior • 10+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time • Senior
C#
C++
DevOps
Docker
CI/CD
Git
Kubernetes
Apply
Report

Runa

runa.io
The global payout platform built for scale. Send instant digital payouts worldwide through one API, with 99.999% uptime and built-in security.
runa.io • London • Coupons, Deals & Cashbacks • Commerce • Gift Cards & Loyalty Programs
London • Coupons, Deals & Cashbacks • Commerce • Gift Cards & Loyalty Programs
$93k – $169k per year (Estimated) • Senior • In office (London, United Kingdom) • Full-Time • Senior
Java
Kotlin
SQL
Java
Spring Boot
Databases
Apache Kafka
DevOps
Amazon EKS
AWS
Helm
Kubernetes
Terraform
Amazon EventBridge
Apply
$92k – $166k per year (Estimated) • Senior • 5+ years expIn office (London, United Kingdom) • Full-Time • Senior
JavaScript
Python
TypeScript
Databases
Amazon Aurora
DynamoDB
PostgreSQL
Redis
DevOps
AWS
AWS Lambda
AWS Step Functions
Apply
Report

Lyrebird Health

lyrebirdhealth.com
Lyrebird is a healthcare platform that automates all the non-patient facing tasks for clinicians. With Lyrebird, clinicians can see more patients than ever and provide a level of care that was not previously possible. Lyrebird is saving clinicians hours every single day by summarising a clinical conversation and turning that into medical documentation.
lyrebirdhealth.com • Sydney • Melbourne • Leeds • Manchester • Newcastle upon Tyne • Artificial Intelligence • Medical AI • 11-50 employees
Sydney • Melbourne • Leeds • Manchester • Newcastle upon Tyne • Artificial Intelligence • Medical AI • 11-50 employees
2 months ago

Software Engineer

$81k – $183k per year (Estimated) • Remote (United Kingdom) • Full-Time
Node JS
TypeScript
JavaScript
AI/ML
Claude
Claude Code
LLM
AI Agents
Frontend
Svelte
SvelteKit
DevOps
AWS
CI/CD
GCP
Apply
Report
Backend Developer Jobs in London
Frequently asked questions
How many Backend Developer jobs in London are available on Alion?
There are currently 682 active listings from 259 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in London pay?
The average salary is around $213,225 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.