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
Backend Engineer - Real-Time Fintech Exchange
Build low-latency, fault-tolerant backend services for a UK-based perpetual futures exchange using Rust, C, or C++.
Senior Backend Engineer (Node.js) - London
Build and scale Tesco’s backend systems (Node.js, TypeScript) that power global shopping experiences like tesco.com and the mobile app, using cloud, microservices, and GraphQL.
Senior Backend Engineer - Go/Python, Data Pipelines
Design and maintain web services and data pipelines for electronics design software using Go or Python.
Senior Backend Engineer — Scale Data Infrastructure
Build and maintain scalable data infrastructure handling billions of items using Python, PostgreSQL, and ClickHouse for a company focused on AI-powered data annotation.
Senior Backend Engineer - Web3 Orchestration (Equity)
Architects and builds off-chain infrastructure for blockchain solutions using TypeScript, focusing on scalable systems and smart-contract integration.
C++ Backend Engineer for Macro Trade Capture Systems
Develops C++ server-side applications for trade capture systems in Barclays' Foreign Exchange business, focusing on multithreading and enterprise-scale trading.
Backend Engineer (Java+AWS+AI)
Build and lead backend services in Java/Spring Boot, MongoDB, and Kafka for a global fintech platform, while mentoring teams and optimizing real-time financial data pipelines.
Realtime Crypto Trading Backend Engineer
Build and maintain the backend of a crypto trading platform using Kotlin and Python, handling order management, market data, and real-time APIs.
Senior .NET Backend Engineer | Hybrid, Global Integrations
Senior .NET backend engineer building finance systems integrations in C#/.NET, collaborating with stakeholders to evolve a platform in a hybrid Belfast office.
Backend Engineer — PHP/Laravel & E‑commerce Integrations
Backend engineer building Laravel/PHP services and integrating Shopify with client systems in a fast-paced agency setting.
Senior Backend Engineer - Go, Redis & Scalable Systems
Senior Backend Engineer builds and maintains scalable Go services and Redis-powered APIs that power bet365’s live betting platform, ensuring high availability and real-time updates for mobile apps.
Senior Python Backend Architect — FinTech/Banking
Designs and builds scalable Python backend services and batch processing for a global bank, optimizing SQL queries and ensuring robust testing with PyTest/TDD/BDD.
Senior PHP Backend Engineer - APIs & Laravel/CakePHP Hybrid
Senior PHP developer building and maintaining backend APIs and legacy CakePHP code for a CRM platform, with Agile practices and CI/CD.
Lead Backend Engineer - Fletchers AI
Lead backend engineer building and scaling AI-powered legal tools for personal injury and clinical negligence claims, owning services, data pipelines, and infrastructure for production systems.
Senior Backend Engineer — Pricing & Revenue Systems (Hybrid)
Design and build scalable backend services in PHP/Laravel to power pricing, revenue, and marketplace features for an urban mobility platform.
Backend Engineer — Scalable ChatGPT Infrastructure
Build and maintain backend systems that power high-traffic ChatGPT experiences, focusing on APIs, scalability, and reliability for OpenAI’s London team.