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
Senior Backend Engineer – AI-Powered SaaS, Scalable
Builds and maintains backend systems powering AI-driven SaaS products, collaborating with data scientists and product teams using Python, Java, or Node.js.
Senior Backend Engineer, Fraud & Risk Engine
Build and maintain a high-performance fraud detection engine for Wise’s payment products, using Java, Kafka, and SQL to balance speed, scalability, and risk mitigation.
Senior Backend Engineer, Identity Security & Access Control
Designs and builds backend services and APIs for identity security and access control auditing using Go or Rust.
Node.js Backend Engineer - Build Scalable, Secure APIs
Design and maintain secure, scalable Node.js APIs for a cybersecurity client, integrating data feeds while combating threats.
Remote Senior Python Backend Engineer – AI Voice Platform
Senior Python backend engineer building and maintaining AI-powered voice systems using Python in a fully remote role.
Senior Backend Architect — AI-Driven Systems & Scale
Leads backend architecture for AI-driven systems, making key technical decisions and mentoring engineers using Java and Python in distributed environments.
Senior Backend Engineer - Scalable Payments Platform
Senior Backend Engineer to scale a payments platform’s recipient management backend using Java and RESTful APIs while collaborating with engineers and designers.
Senior Backend Engineer - Architect & Scale Systems
Leads backend system architecture and maintenance using Java, focusing on distributed systems while mentoring junior engineers and delivering high-quality software.
Senior Backend Engineer — AI-Driven Digital Twins
Senior backend engineer building AI-driven digital twin platforms that simulate consumer behavior using scalable, event-driven architectures and real-time data pipelines.
Senior Backend Engineer – AI-Driven Production Systems
Senior backend engineer building and deploying AI-driven production systems in Python, using FastAPI/Flask/Django and Docker with ML model integration.
Senior Backend Engineer – Cloud-Native, End-to-End Ownership
Build and own cloud-native banking and payments infrastructure, leading architecture decisions and mentoring engineers to deliver scalable, robust systems.
Senior JVM Backend Engineer (Scala/Java) - Hybrid London
Senior JVM backend engineer builds a high-performance distributed calculation engine for financial indices using Scala/Java, handling concurrency, tuning, and production readiness.