Backend Jobs in United Kingdom
There are 2,839 open Backend jobs in United Kingdom on freehire right now. 634 of them were posted recently. The skills employers ask for most often are api, cloud and java.
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 38%
- cloud 29%
- java 27%
- ai 27%
- aws 23%
- python 23%
- microservices 18%
- ci-cd 17%
How the work is done
- Hybrid 520 · 18%
- Remote 284 · 10%
- Onsite 36 · 1%
Visa sponsorship offered in 53% of the 151 postings that state a position on it.
Seniority
- Senior 1,275
- Lead 190
- Staff 134
- Middle 70
- Junior 47
- Principal 34
Who is hiring
- 1000+ employees 233
- 501-1000 employees 139
- 51-200 employees 125
- 11-50 employees 75
- 201-500 employees 20
- 1-10 employees 8

Lead Backend Engineer for AI & Scalable Services
Lead a backend engineering team building scalable services in Python or Node.js for an AI-focused product company.
Senior Backend Architect: Build Scalable Data & API Platforms
Designs and builds high-performance backend services, APIs, and data structures for an AI-focused product company, ensuring scalability and seamless integration.
Senior Backend Software Engineer - Application Development
Build and maintain scalable backend services and APIs for Palantir’s AI-driven data platforms, using Java, Rust, Python, or Go and distributed systems like Kafka and Cassandra.
Senior Backend Engineer — Scalable AI Security Platform
Senior backend engineer builds and scales secure, reliable cloud services in Python/AWS to power an AI-driven cybersecurity platform, while mentoring peers.
AI-Driven Backend Engineer (Java/Kotlin) for API Mock SaaS
Designs and maintains backend services for a SaaS API mocking platform using Java/Kotlin, with cloud infrastructure responsibilities and AI tooling integration.
Senior .NET Core Backend Engineer — AWS, Kafka, Kubernetes
Senior .NET Core backend engineer building and maintaining AWS-hosted services and APIs in a DevOps-driven media company.
Senior Backend Engineer - .NET Core, AWS, Kubernetes, Kafka
Design and maintain backend services for a global music company using .NET Core, AWS, and Kubernetes, ensuring secure and reliable systems.
Backend Engineer (Infrastructure & Platform) (f/m/d)
Build and scale the data-sync and agentic platform for an AI startup: ingest millions of rows from ERP/CRM systems, design tools for concurrent agent workflows, and add guardrails for correctness and security.
Backend Engineer: Scalable APIs, AWS Cloud, AI-Driven
Build and maintain scalable backend services in Java/Spring Boot and AWS, while collaborating on full-stack features with React/TypeScript or Next.js.
Senior Backend Engineer — AI-Driven Music Copyright Platform
Senior Backend Engineer builds and scales AWS-based systems for a music copyright licensing platform, reviewing code and mentoring peers in an agile team.
Senior Backend Engineer: Scalable AI Infra & Systems
Design and scale backend infrastructure for AI systems, focusing on build systems, data distribution, and AI training/inference pipelines to improve reliability and developer experience.
Senior Backend Engineer, AI-Driven Cloud FinTech
Builds cloud-native microservices for digital banking, focusing on fraud prevention, identity, transfers, and onboarding while integrating AI responsibly into secure, scalable architectures.
Senior Lead Software Engineer- Backend Engineer - Chase UK
Senior Lead Backend Engineer building cloud-native microservices for Chase UK’s digital banking platform, using Java and AWS to deliver secure, scalable financial products like payments and fraud prevention.
Senior Lead Software Engineer - Backend Engineering - Java/Kotlin
Lead backend engineering in Java/Kotlin to build scalable, secure fintech systems, using cloud-native, multi-cloud architectures and AI-assisted development practices.
Senior Python Backend Software Developer
About us At the company, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual…
Senior Java Backend Engineer for FX Trading Systems
Build and maintain high-performance Java backend systems powering FX trading platforms, ensuring speed, reliability, and scalability while collaborating with engineers and product teams.