Backend Jobs in United Kingdom
There are 2,898 open Backend jobs in United Kingdom on freehire right now. 646 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 311 · 11%
- Onsite 39 · 1%
Visa sponsorship offered in 54% of the 166 postings that state a position on it.
Seniority
- Senior 1,306
- 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
Java Backend Engineer - Scalable Systems (Hybrid, London)
Build and maintain scalable Java backend services using Spring Boot, REST APIs, and cloud deployments while collaborating with product, design, and DevOps teams.
Senior Backend Engineer (AI-Enabled) – Hybrid, Manchester
Senior backend engineer building services that power millions of customer journeys at a UK fintech group, using Java, AWS and TypeScript while advocating TDD and security-minded development.
Senior Backend Engineer, AI Security & Observability
Builds and maintains secure, scalable backend integrations for AI-driven security platforms using Java and RESTful APIs.
Python & Java Backend Engineer – Spring Boot & REST
Builds and maintains RESTful backend services in Spring Boot and Java for financial applications, collaborating across the full software development lifecycle.
Hybrid Mobile & Backend Engineer – Banking Platform
Builds and maintains mobile apps in Flutter/Kotlin/Swift and back-end services in C#/.NET for a fintech banking platform, collaborating across teams in a hybrid London office setup.
Platform & Backend Engineer | Java/AWS/Kubernetes — London
Builds and maintains Java/Spring REST microservices and Kubernetes clusters on AWS, using Terraform and observability tools for enterprise systems.
Real-Time Backend Engineer | Crypto Trading Platform (London)
Builds and maintains backend services for a crypto trading platform, focusing on order management, market data processing, and real-time APIs using Kotlin/Python, REST/WebSockets, SQL, and cloud tools.
Go Backend Engineer - Cybercrime Detection Platform
Builds and maintains backend services in Go for a cybercrime-detection platform, with some legacy Perl and a TypeScript UI, focusing on reliability, performance, and security.
Backend Engineer - Java/Spring Boot, AWS & APIs
Build and maintain scalable backend services and APIs using Java/Spring Boot in an AWS environment, ensuring reliability for Charlotte Tilbury Beauty's ecommerce platform.
Python Backend Engineer for AI Market Insights - Hybrid
Designs scalable backend services and optimizes data pipelines for an AI-driven market insights platform using NLP and multi-LLM frameworks on AWS.
Senior C# Backend Engineer - Real-Time Trading Systems
Build and maintain high-performance, real-time trading systems using C# and AWS, collaborating with traders and architects to process live market data.
Senior Backend Engineer - AI-Driven Logistics Platform
Build and maintain the backend systems that power real-time pricing, predictive routing, and AI-driven driver allocation for a European logistics marketplace.
Real-Time Node.js Backend Engineer - AWS Microservices
Builds scalable Node.js APIs and real-time AWS microservices for an outsourced contract role.
SC-Cleared Backend Engineer: Rust & Scalable Systems
Design and build distributed systems and storage infrastructure in Rust with Python API boundaries, scaling to petabyte-level data and streaming pipelines.
Senior Backend Engineer: Cloud Microservices
Build secure, scalable cloud-native microservices for digital banking using Java and modern cloud tech to deliver reliable financial experiences.
Senior Back-end Engineer at Vega
Senior back-end engineer building scalable Java/Spring Boot microservices for Vega’s fintech SaaS platform serving alternative asset managers.