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Backend Jobs in London
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Senior Software Engineer
The Flex
Paris, Belfast +5
Paris
Belfast
Brighton
Birmingham
London
Manchester
Remote
Employment contract
Senior
React
AWS
Python
Engineering Manager, Financial Platform
Airwallex
Singapore, Austin +6
Singapore
Austin
New York City
Washington
San Francisco
Mexico-city
London
Toronto
Employment contract
Senior
From 16 600 USD
Kotlin
Senior Lead Scala Engineer, Post Trade
LSEG
London
Employment contract
Senior
AWS
Docker
Kubernetes
Software Engineer (Golang)
Insider.
Berlin, Hamburg +3
Berlin
Hamburg
Amsterdam
London
Remote
Employment contract
Junior
Node.js
PHP
Laravel
Reporting Platform Java Developer
Barclays
London
Employment contract
Senior
Python
Spring
React
Senior Software Engineer
Superbet
Madrid, London +4
Madrid
London
Zagreb
Amsterdam
Bucharest
Remote
Employment contract
Senior
AWS
Kafka
Kubernetes
Staff Software Engineer
Cision
Brighton, London +1
Brighton
London
Remote
Employment contract
Senior
JavaScript
Python
Kafka
Senior Software Engineer, Docker Agents
Docker
London, Paris +1
London
Paris
Remote
Employment contract
Senior
From 7 400 EUR
Go
Kubernetes
Python
Software Engineer, Backend
Mistral AI
London
Employment contract
Mid/Regular
Go
JavaScript
TypeScript
Senior Back End Engineer
iwoca
London, Remote
Employment contract
Senior
From 6 600 GBP
Django
PostgreSQL
React
Software Engineer - Backend
Helsing
Berlin, London +4
Berlin
London
Munich
Paris
Tallinn
Warsaw
Employment contract
Senior
Python
gRPC
Protocol Buffers
Principal Software Engineer, Docker Agents
Docker
London, Remote
Employment contract
Lead / Principal
Go
Kubernetes
Python
Senior Software Engineer, Docker Agents
Docker
London, Remote
Employment contract
Senior
Docker
Kubernetes
LangChain
Backend Software Engineer
DeepL
London
Employment contract
Senior
.NET Core
PostgreSQL
Kubernetes
Lead Rust Developer
VML Enterprise Solutions
London
Other
Lead / Principal
Docker
Kubernetes
GCP
Salesforce CPQ /
Revenue Cloud Developer
GoCardless
London
Contractor
Senior
From 6 100 GBP
CPQ
Revenue Cloud
Apex
Staff Software Engineer - Safety AI
Samsara
London, Remote
Employment contract
Senior
Go
JavaScript
TypeScript
Principal Product Manager - Payments
MoonPay
London
Employment contract
Lead / Principal
Payments
Fintech
Card payments
Senior Backend Developer
Fresha
London
Employment contract
Senior
Ruby
GraphQL
TypeScript
Full-Stack Engineer (Web & APIs)
The Flex
Paris, Belfast +5
Paris
Belfast
Brighton
Birmingham
London
Manchester
Remote
Employment contract
Mid/Regular
React
AWS
Python
Data Integration Specialist
Nasdaq
London
Employment contract
Mid/Regular
GIT
FIX
AI Research Engineer - Foundation Models
Helsing
Berlin, London +2
Berlin
London
Munich
Paris
Employment contract
Senior
PyTorch
JAX
LLM
Full Stack Engineer
iwoca
London
Employment contract
Mid/Regular
From 5 400 GBP
React
TypeScript
Django
Senior Java Engineer
Man Group
London
Employment contract
Senior
Python
Kafka
MongoDB
Founding AI Product Engineer
Nory
London, Dublin +1
London
Dublin
Remote
Employment contract
Senior
LLM
Agentic Workflows
Senior Backend Developer
BLP Digital AG
London, Remote
Employment contract
Senior
React
TypeScript
Python
Senior Software Engineer | Backend
Apron
London
Employment contract
Senior
JVM
Google Cloud Platform
Kubernetes
Senior Product Engineer [Backend]
Attio
London, Remote
Employment contract
Senior
From 7 900 GBP
Node.js
GCP
Engineering Lead
Attio
London, Remote
Employment contract
Lead / Principal
From 10 000 GBP
TypeScript
Node.js
Go
Trading Ops & Risk Systems Engineer (AI & Automation)
Crypto.com
London
Employment contract
Senior
OpenAI API
LangChain
SQL
Developer Relations Engineer
PubNub
Katowice, London +1
Katowice
London
Remote
Employment contract
Mid/Regular
4 100 - 7 000 GBP
TypeScript
Swift
Kotlin
Senior Java Engineer: SRE
IG Group
London
Employment contract
Senior
OpenTelemetry
ActiveMQ
Kafka
Quant Developer
Man Group
London
Employment contract
Senior
Java
C++
Docker
Senior Software Engineer
Legend
London
Employment contract
Senior
JavaScript
React
Next.js
Senior Python Engineer - AI
Man Group
London
Employment contract
Senior
GenAI
Machine Learning
React
Finance Applications Developer
Tokio Marine HCC
London
Employment contract
Mid/Regular
SQL
Lead Software Engineer
Capital on Tap
London
Employment contract
Lead / Principal
.NET
.NET Core
React
Lead Software Engineer
Captial on Top
London
Employment contract
Lead / Principal
.NET
.NET Core
React
Senior Software Development Engineer (Java Backend)
Expedia Group
London
Employment contract
Senior
Kotlin
Backend
Software Developer (CDNA)
Crypto.com
London
Employment contract
Senior
Spring
Kafka
Linux
Applied AI, Forward Deployed Machine Learning Engineer - EMEA
Mistral AI
Paris, London +4
Paris
London
Luxembourg
Amsterdam
Munich
Lausanne
Employment contract
Junior
PyTorch
GenAI
LLM
Senior Fullstack Engineer
Insider One
Berlin, Amsterdam +4
Berlin
Amsterdam
London
Hamburg
Munich
Remote
Employment contract
Senior
PHP
Node.js
Vue.js
Staff Python Engineer (ML)
Mimica
London, Amsterdam +6
London
Amsterdam
Stockholm
Warsaw
Berlin
Toronto
São Paulo
Remote
Employment contract
Lead / Principal
ML
GenAI
LLM
Senior Backend Developer (ROR)
Blink Tech Inc
London, Remote
Employment contract
Senior
Ruby
PostgreSQL
MySQL
Tech Lead
Blink Tech Inc
London, Remote
Employment contract
Senior
Ruby
JavaScript
Git
Backend Engineer
Pleo
Madrid, London +2
Madrid
London
Lisbon
Remote
Employment contract
Senior
From 5 700 GBP
AWS
Kubernetes
PostgreSQL
Senior AI Python Software Engineer
Nearform
Remote
Employment contract
Senior
LangGraph
Git
React
Staff Software Engineer
Ivanti
Remote
Employment contract
Senior
Angular
TypeScript
Docker
Staff Software Engineer - Safety AI
Samsara
Remote
Employment contract
Senior
Go
JavaScript
TypeScript
Full-stack Engineer
Wincent
Bratislava, Remote
Employment contract
Senior
From 6 600 EUR
React
TypeScript
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