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
Java Backend Developer — Spring Boot with Growth Path
Develop Java-based solutions using Spring Boot, Hibernate, and SQL databases in an office-based role focused on software design, implementation, and code reviews.
Backend Engineer
Contract Backend Engineer building a high-volume, scalable C#/.NET backend platform with SQL that interfaces with an AI product in AWS, for a LegalTech company.
Senior Ruby Backend Engineer | Flexible Working & Scalable APIs
Build and maintain scalable, secure Ruby backend systems and RESTful APIs as part of an agile consultancy team, contributing to architecture, code reviews, and DevOps practices.
Senior Backend Developer
Senior Backend Developer building and scaling Python cloud microservices (FastAPI) for an Insurtech unicorn's insurance platform, owning features end-to-end and collaborating cross-functionally.
Backend Engineer - API
Builds and scales a high-throughput AI inference API in Rust, owning model serving, routing, and observability for global developer access.
Back End Developer (Kotlin / Java) - Outside IR35
Senior Back End Developer leading the rebuild of an on-prem system into a cloud-native Azure application using Kotlin/Java 21, Spring Boot, PostgreSQL, and event-driven architecture.
Backend - Phyton
Builds and enhances the backend authentication system for a SaaS platform serving construction and skilled trades, focusing on secure login flows and user access management.
Backend/API Engineer, Money as a Service
Designs and maintains global financial APIs and services for Stripe’s Treasury products, handling billions of money movement requests with a focus on reliability and ergonomic interfaces.
Senior Backend Engineer (Ruby), AI Engineering: AI Coding
Designs and builds event-driven infrastructure to connect GitLab/third-party events (e.g., code pushes, CI/CD) to AI workflows, ensuring scalable, reliable automation across the software development lifecycle using Ruby/Rails and AI agents.
Backend Engineer II
Backend Engineer building and supporting parts of Monzo's in-house banking platform in cross-functional squads, primarily using Go, Cassandra, Kafka, Kubernetes, and AWS/GCP.
Senior Backend Node.js Developer
This is a 3-month contract role for a senior backend developer to build a new greenfield SaaS platform using Node.js, TypeScript, and AWS. The position is primarily remote with occasional office visits required in Manchester.
Senior Backend Node.js Developer – Mostly Remote (3 Months)
This is a 3-month contract role for a senior backend developer to build a new greenfield SaaS platform using Node.js, TypeScript, and AWS. The position is mostly remote with occasional visits to the office in Manchester.
Backend .Net Developer (AWS)
This role is for a Backend .Net/AWS Developer to work on a 6-month contract in London, focusing on building cloud-native microservices using C#, .NET Core, and AWS infrastructure. The position requires expertise in Kubernetes, Terraform, CI/CD pipelines, and messaging systems like Kafka and SQS.
Senior Backend Engineer (Contract) - Azure/C# REST
The Senior Backend Engineer will design and maintain large-scale systems using C#, .NET, and Azure. The role focuses on cloud-first development and automated testing while collaborating with cross-functional teams.
Senior Backend Engineer - AI Security Platform
Build and maintain large-scale distributed services for an AI security platform in London, using Java/Go/C#, cloud providers, microservices, Docker, Kubernetes, GraphQL, and PostgreSQL.