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: Cloud-Native Python & AWS (Hybrid)
Designs and builds secure, cloud-native backend services on AWS to power Trustonic’s platform for millions of devices.
Java 11 Backend Engineer — Microservices & Cloud Contract
Builds and deploys Java 11 microservices using Spring Boot and Docker/Kubernetes for a financial-services client.
Staff Backend Engineer — London (Hybrid, 4-Day Office)
Lead backend architecture and scale global systems while using AI agents to accelerate development and mentor teams in a hybrid London office.
Senior Backend Engineer - Cloud Security (Hybrid, Stock)
A Senior Backend Engineer will design and maintain scalable cloud security features in a runtime-powered platform, collaborating with frontend/DevOps teams to ensure secure live infrastructure. Core techs: Go/Java/Python/Node.js, CI/CD, and cloud providers.
Senior Backend Engineer: Go & Microservices (Contract)
Senior Backend Engineer builds and maintains scalable microservices in Go, using AWS, Kubernetes, Docker, and Kafka to power data-driven systems for a tech client.
Backend Engineer - Capital Markets SaaS
Build backend services and APIs for a capital-markets SaaS platform used by financial institutions to manage trading and post-trade workflows.
Python Backend Engineer - Cybersecurity, Hybrid Cambridge
Builds a new AI-driven cybersecurity product using Python, Rust, TypeScript, and C++ for rapid prototyping and threat detection.

Remote Node.js/TypeScript Backend Engineer — Scale Systems
Designs and builds Node.js/TypeScript backend services in a microservices architecture, integrating data-intensive systems for a large retail brand using AWS, Terraform, and Kubernetes.
Senior .NET Backend Engineer – AI-First SaaS
Build and maintain scalable backend services for an AI-first SaaS platform using .NET, focusing on Clean Architecture, TDD, and secure API integrations.
Senior Backend Engineer - Platform & Cloud (Kotlin/AWS)
Build and design scalable cloud services using Kotlin, Spring, and AWS for Trade Republic’s fintech platform, focusing on service-oriented architecture and CI/CD with GitHub Actions and Kubernetes.

Senior Backend Engineer — AI for Frontline Services (Remote)
Builds backend systems that use AI to improve frontline public services, working with Python/Flask and AWS in a mission-driven team.
Real-Time Market Data Backend Engineer (C#, SQL, Python)
Backend engineer building high-performance systems to process real-time financial market data using C#, SQL Server, and Python.
Backend Engineer: Scale AI-Ready Infra (London)
Builds and scales backend services in TypeScript/Node.js, focusing on PostgreSQL and cloud infrastructure for a London-based startup.