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
Backend Engineer for AI-Driven Hardware Platform
Build and maintain the backend systems that connect AI models to researchers and engineers, including APIs, data pipelines, and event-driven architectures.
Senior Backend Engineer - AI-Powered Media Infrastructure
Architect and scale backend services, APIs, and data pipelines for an AI-driven media processing platform that integrates with MAM workflows.
Senior Backend Engineer - AI-Powered Insurance Tech
Senior Backend Engineer builds and maintains scalable, data-driven insurance systems using Generative AI and AWS services in a remote-first team.
Senior Backend Engineer (Ruby), AI Engineering: DAP Repository Flows
Senior Backend Engineer builds AI-powered agents in Ruby on Rails that autonomously manage customer codebases and streamline Duo Agent Platform onboarding.
Senior C++ Backend Engineer for ERP Systems - Flexible Work
Senior C++ backend engineer building and maintaining a multi-tier ERP system in a collaborative, office-based team in Coventry.
Senior Python Backend Engineer — Geospatial Imaging & AI
Builds Python backend services for an AI platform that processes geospatial satellite imagery to deliver insights for government, energy, and conservation clients.

Senior Backend Architect - Cloud-Native, AI-Driven Platform
Design and scale the backend platform for mobile apps using cloud-native infrastructure and AI-driven engineering practices.
Remote Senior Ruby Backend Engineer - AI-Driven Agents
Build autonomous AI agents and onboarding flows using Ruby/Rails to automate codebase tasks in a distributed team.
Python Backend Engineer – AI Cybersecurity (Remote/WFH)
Develops backend Python services (with Rust) to detect and counter AI-driven security threats in a hybrid R&D team.
Backend Engineer (Python) - Scale Data-Driven Cloud Security
Build and maintain scalable backend services in Python for a cloud security platform, deploying on Kubernetes and cloud providers while ensuring performance and security.
Senior Backend Engineer — Cloud-Native Fintech
Designs and builds scalable microservices for Vault, Thought Machine’s cloud-native core banking engine, using Python or Go and AWS.
Senior Backend Engineer – FinTech & Blockchain
Build secure, scalable digital-asset integrations and microservices for JPMorgan’s Personal Investing platform using Java/Spring Boot, Kafka, and cloud-native patterns.
Backend Engineer - Fixed Income Tech, Scalable Systems
Build and maintain scalable backend systems for intraday risk, trade, and portfolio management using Python/Java/Rust and cloud platforms like AWS or GCP.
Senior Go Backend Engineer for Cloud Apps & Open-Source
Senior Go backend engineer building cloud apps for North-American customers using Go, PostgreSQL, Kubernetes, Docker, REST and gRPC.
Senior Backend Engineer – Pricing & Promotions Platform
Build and maintain the backend pricing and promotions platform that powers Marks & Spencer’s retail channels across Food, Fashion, Home, and Beauty.