Backend Jobs in United Kingdom
There are 2,898 open Backend jobs in United Kingdom on freehire right now. 632 of them were posted recently. The skills employers ask for most often are api, cloud and ai.
Salary
| Currency | Period | 25th | Median | 75th | Postings |
|---|---|---|---|---|---|
| GBP | year | £75,000 | £95,000 | £110,000 | 212 |
| USD | year | $130,000 | $157,500 | $201,250 | 15 |
From postings that disclose pay. Currencies are counted separately, never converted.
Most requested skills
- api 39%
- cloud 30%
- ai 28%
- java 28%
- aws 24%
- python 24%
- microservices 18%
- ci-cd 17%
How the work is done
- Hybrid 538 · 19%
- Remote 312 · 11%
- Onsite 39 · 1%
Visa sponsorship offered in 54% of the 166 postings that state a position on it.
Seniority
- Senior 1,305
- Lead 191
- Staff 143
- Middle 72
- Junior 47
- Principal 37
Who is hiring
- 1000+ employees 243
- 501-1000 employees 143
- 51-200 employees 129
- 11-50 employees 76
- 201-500 employees 20
- 1-10 employees 8
Staff Backend Engineer, Procurement Suite (Relocation to Melbourne) in London - Airwallex
Build and maintain backend services for Airwallex’s procurement platform using Java/Kotlin and Spring Boot, focusing on financial-domain systems.
Senior Backend Engineer (C# .NET) – High-Impact Contract
Senior backend engineer building scalable C# .NET services for renewable-energy analytics, with occasional React frontend work and cloud/AWS integrations.
Senior PHP Backend Engineer - Cloud, Kubernetes & MySQL
Senior PHP backend engineer building cloud-native services on GCP with Kubernetes and MySQL to solve complex business problems.
Senior Backend Engineer (Java/AWS) + AI — Hybrid
Builds and maintains Java/Spring Boot backend services for a fintech platform, using MongoDB and REST APIs, while leading a small team in a hybrid London office setup.
Backend Engineer - Account Sharing
Build global shared-finance products at Wise, designing backend systems for joint accounts and kid accounts that work across borders and scale to millions of users.
Backend Engineer - Phone Scam Disruption
Build and maintain backend services in Go and Perl to detect and disrupt phone scams, working with telecoms partners to disable fraudulent numbers and improve platform reliability.
Senior Backend Engineer - AI Cloud & Scalable Systems
Senior backend engineer building and scaling Go/Python services for a cloud platform that runs AI workloads, focusing on distributed systems, reliability, and CI/CD.
Backend Engineer: Build Scalable, Customer-Focused Systems
Backend engineers build and maintain scalable banking and payments systems using Go, Java, Kubernetes, and cloud platforms to deliver reliable customer-facing features.
Software Engineer III - Backend Engineer - Chase UK
Build cloud-native microservices in Java for Chase UK’s digital banking platform, focusing on secure, scalable, and reliable backend systems for payments, fraud prevention, and customer onboarding.
Backend Engineer — Protein Data Services (Hybrid)
Designs and builds RESTful APIs and cloud services for UniProt data, using Java/Python, Spring Boot, Solr, and Kubernetes in a biology-focused team.
Backend Engineer: AI Inference & High-Performance Systems
Build and optimize the backend systems that power AI inference and orchestration, ensuring low latency and reliability for AI interactions.
Senior Backend Engineer - Greenfield Data Pipelines
Build a greenfield data platform from scratch: design APIs, orchestrate data pipelines, and set engineering standards in Python for a fast-moving startup.
Mid/Senior Backend Engineer: Build High-Impact FinTech APIs
Build and scale microservices and APIs in Java 17/21 for Revolut’s global fintech platform, ensuring clean, maintainable code in a fast-paced environment.
Senior Java Backend Engineer for FX Trading
Build and maintain scalable Java-based systems that power FX trading infrastructure, collaborating with engineers and product teams to deliver high-performance trading software.
Backend Engineer - Golang Microservices, Hybrid London
Builds and maintains scalable Golang microservices for financial products in a hybrid London office.
Senior Backend Engineer — Java & Spring Boot Platform
Build and lead backend services in Java/Spring Boot for J.P. Morgan’s Personal Investing platform, focusing on scalable, secure libraries and asynchronous architectures.
Remote AI Backend Engineer (Contract)
Design, build, and optimize server-side systems and APIs for AI products, including data pipelines and scalable microservices handling real-world traffic.
Senior Backend Engineer — Java/Spring, Platform Lead
Leads backend Java/Spring development for an async platform, sets coding standards, and mentors engineers while driving AI-assisted practices in JPMorgan’s Investments tech stack.