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 - Payments Platform (Hybrid)
Senior Backend Engineer building and scaling M&S’s Payments Platform, owning high-volume transaction services, APIs, and integrations with a focus on performance, resilience, and security.
Senior Backend Engineer - Pricing & Promotions Platform
Senior backend engineer building scalable pricing and promotions services for a large UK retailer, using Kafka, APIs, and event-driven architectures.
Senior Backend Engineer — AI‑Driven, Scalable Microservices
Builds scalable, event-driven microservices for AI-driven applications using Node.js/TypeScript or Python, focusing on high-throughput APIs and distributed systems.
Senior Java Backend Engineer - Distributed Systems (Hybrid)
Build and maintain distributed Java services using Kafka and event-driven architectures, deploy on Kubernetes, and mentor peers in a hybrid London role.
Senior Backend Node.js Engineer — Remote, Scalable Crypto
Senior Backend Engineer building scalable, secure Node.js services for a major crypto exchange using microservices architecture.
Lead Python Engineer - Backend & ML Infra (Remote)
Lead backend engineering for AI-powered productivity tools, owning ML infrastructure, scalability, and DevEx in a fully remote UK role.
Lead Web3 Backend Engineer - Hybrid (London)
Lead backend engineer building Web3 infrastructure at Citi’s Digital Assets Platform, integrating blockchain networks, wallets, and smart contracts in an enterprise setting.
Senior Multi-Chain Backend Engineer
Builds scalable backend services for high-volume, multi-chain blockchain transactions and leads DeFi protocol integrations using Node.js/TypeScript and deep Web3 expertise.
Lead Web3 Backend Engineer - Digital Assets Platform
Lead backend engineer building enterprise-grade Web3 services for a digital assets platform, integrating blockchain networks with Java and Web3 libraries.
Senior Python Backend Engineer - FastAPI, Kafka, Azure
Build high-throughput Python back-end services using FastAPI and REST, focusing on performance and scalable APIs in a hybrid team.
Senior PHP Backend Engineer - Laravel/Symfony + Mentoring
Senior PHP backend engineer building and maintaining Laravel/Symfony applications and mentoring junior developers in a Portsmouth-based team.
Senior Java Backend Engineer: Secure Microservices & Data
Designs and builds secure Java microservices and REST APIs for national security projects, integrating analytics and enforcing secure coding practices.
Senior Scala Backend Engineer - Hybrid, Newcastle
Senior Scala backend engineer building scalable HCM localisation services with Scala 2.13, Play, Pekko, AWS, and DevOps practices in a hybrid Newcastle role.
Senior Backend Engineer: Scale High-Throughput APIs
Builds and scales high-throughput APIs in an event-driven AWS environment using Kafka, PostgreSQL, and Redis, with Rust for performance-critical components.
Senior Backend Engineer - Scala/Java & Cloud (Event-Driven)
Build and maintain scalable, event-driven backend services in Scala/Java, using Kafka, Docker/Kubernetes, and CI/CD pipelines while collaborating with cross-functional teams.