Backend Jobs in United Kingdom
There are 2,832 open Backend jobs in United Kingdom on freehire right now. 602 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 | 215 |
| 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 28%
- ai 27%
- aws 24%
- python 23%
- microservices 18%
- ci-cd 17%
How the work is done
- Hybrid 516 · 18%
- Remote 285 · 10%
- Onsite 36 · 1%
Visa sponsorship offered in 53% of the 149 postings that state a position on it.
Seniority
- Senior 1,266
- Lead 190
- Staff 135
- Middle 70
- Junior 46
- Principal 37
Who is hiring
- 1000+ employees 234
- 501-1000 employees 139
- 51-200 employees 125
- 11-50 employees 74
- 201-500 employees 20
- 1-10 employees 8
Backend Engineer - Payments Platform (1M+ users)
Depop is looking for a Backend Engineer to build and scale payment services for over 1 million daily users. The role involves working with TypeScript, Scala, Java, or Kotlin and managing data models using PostgreSQL and NoSQL.
Backend Engineer
Octopus Energy is seeking mid-level Backend Engineers to build and scale software for smart home energy devices and low-carbon technology integrations. You will work primarily with Python and Django in a fast-paced, continuous-deployment environment to support the company's global renewable energy transition.
Senior iOS Engineer — SwiftUI, UIKit & Backend-Driven UI
Senior iOS Engineer building and maintaining native iOS features with a TypeScript-based backend-driven UI solution, working in Swift, SwiftUI, and UIKit within an Agile team.
Backend Engineer - Contacts Team
The Backend Engineer will join the Contacts team at Wise to build and maintain scalable backend services for managing customer recipients. The role involves working with Java, distributed systems, and RESTful APIs to ensure reliable and performant user experiences.

Software Engineer, Backend
Backend engineer building systems to make an automated biology lab programmable—data pipelines for protein characterization data, APIs integrating lab instruments and robotics—using Python, TypeScript, and Postgres.
Backend Software Engineer Python AWS - Trading
This role involves designing and developing high-performance trading systems and cloud infrastructure for a global bank's asset management division using Python and AWS.
Senior Backend Engineer
Senior Backend Engineer building and operating scalable, secure digital services for the UK Department for Business, Innovation, Science and Trade, primarily using Python (Java/C#/Go also accepted).
Senior Backend Developer
Develops and maintains scalable, secure backend systems for UK government digital services supporting businesses and trade, primarily using Python but open to other OOP languages.
Senior Backend Engineer
The Senior Backend Engineer will design and build scalable applications using JavaScript/TypeScript and AWS infrastructure. The role requires a full-stack mindset with a focus on architectural decision-making and modern software development best practices.
Software Engineer, Backend - Data Layer
Backend Software Engineer building and maintaining storage and query infrastructure for a large-scale process orchestration platform, working across relational databases and Elasticsearch/OpenSearch with a focus on performance, reliability, and scalability.
Junior AI Backend Engineer - London
Junior backend engineer building an internal data platform for a real estate investment group, using Python, TypeScript, SQL, and AI/LLM workflows to connect data across property management, accounting, and investment operations.
Senior .NET Backend Engineer — AI-Driven, Scalable Systems
Senior .NET Developer building scalable backend systems for a global financial markets firm in Belfast, using .NET/C#, WPF, SQL, and cloud technologies across the full SDLC.
Low-Latency Backend Engineer (.NET/Java) – AWS, Hybrid
Backend Software Engineer building a high-throughput, low-latency Market Data platform in London using C#/.NET, Java, and AWS in a hybrid Agile team.
Senior Backend Engineer - Identity & Access (Enterprise)
Senior backend engineer owning the full identity stack (SSO, SCIM, OIDC provider) for internal and external users at DeepL, working primarily with C#/.NET Core, Kubernetes, and Postgres.
Java Backend Engineer
The Java Backend Engineer will design and develop AI-driven digital products and services for HR stakeholders. The role involves the full software development lifecycle, including feature development, automated testing, and ensuring system observability and security.
Software Engineer (Backend Engineer)
This role involves developing and supporting enterprise-scale payment platforms using Java, Spring Boot, and microservices on Google Cloud Platform. The engineer will work with event-driven architectures, Kubernetes, and CI/CD pipelines while collaborating with SRE and Quality Engineering teams.