Backend Jobs in United Kingdom
There are 2,902 open Backend jobs in United Kingdom on freehire right now. 647 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 27%
- aws 24%
- python 24%
- microservices 18%
- ci-cd 17%
How the work is done
- Hybrid 537 · 19%
- Remote 312 · 11%
- Onsite 39 · 1%
Visa sponsorship offered in 54% of the 166 postings that state a position on it.
Seniority
- Senior 1,307
- 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
Senior Backend Engineer - Node.js/TypeScript, AI & AWS
Build and own backend services in Node.js/TypeScript on AWS, mentor teammates, and use AI tools to improve code quality and system reliability.
Senior Backend Engineer - Fintech Growth, Java/Spring
Builds and maintains scalable Java/Spring Boot microservices for payments, treasury, and transaction systems in a fast-growing fintech startup.
On-Site Senior PHP/Laravel Backend Engineer — Tech Lead
Leads backend development using PHP and Laravel for client projects, mentors junior engineers, and advances toward a tech lead role in a collaborative office setting.
Senior Backend Engineer (Kotlin/Java) – SC Cleared
Senior backend engineer building government systems in Kotlin/Java with Spring Boot, writing tests via TDD and contributing to technical direction.
Senior Java Backend Engineer - Scalable Ad Tech Platform
Senior Java engineer building scalable backend services and APIs for a global ad server platform using Java and Spring Boot.

AI-First Backend Engineer (Python Microservices)
Build and own Python microservices for an AI-driven insurance platform, shaping architecture and driving quality through reviews in a fast-paced product team.
Java 11 Backend Engineer - Microservices & Cloud (Onsite)
Builds and tests Java 11 microservices for a financial-services client, focusing on secure, scalable backend services and database integration.
Python Backend Engineer - Cyber Security Threat Defense
Builds secure Python backend services for a new cybersecurity product, working in a hybrid Cambridge team with exposure to Rust, TypeScript, and C++.
Backend Engineer - Python, FastAPI, AWS | Hybrid | Equity
Build and evolve backend services and APIs for a modern SaaS platform using Python, FastAPI, and AWS in a hybrid UK role.
Senior Java Backend Engineer - Real-Time Risk Tech
Builds high-performance JVM services for real-time risk systems, translating quantitative models into scalable Java code while collaborating with analysts and product teams.
Senior C# Backend Engineer | DDD, REST, Multithreaded
Build and maintain high-performance back-end services in C#/.NET, designing RESTful and SOAP APIs with DDD and multithreading for a UK telecoms provider.
Senior Java Backend Engineer - Hybrid, 6-Month Contract
Build and improve scalable Java backend systems for a 6-month contract, working hybrid with one London office day per month.
Backend Engineer (Java) - Future Opportunity in Newcastle upon Tyne - hedgehog lab
Build scalable Java (Spring/Java EE) backends using AI, blockchain, DevOps, and cloud-native tools in an agile team.
Senior Backend Engineer for DAG‑Driven Orchestration
Senior Backend Engineer builds a Python/FastAPI orchestration layer for autonomous tech in heavy industries, focusing on API design, CI/CD, and reliability in a fast-moving startup.