Backend Jobs in United Kingdom
There are 2,829 open Backend jobs in United Kingdom on freehire right now. 605 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 | 214 |
| 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 26%
- aws 24%
- python 23%
- microservices 18%
- ci-cd 17%
How the work is done
- Hybrid 514 · 18%
- Remote 284 · 10%
- Onsite 35 · 1%
Visa sponsorship offered in 53% of the 148 postings that state a position on it.
Seniority
- Senior 1,265
- Lead 191
- Staff 135
- Middle 70
- Junior 46
- Principal 37
Who is hiring
- 1000+ employees 234
- 501-1000 employees 139
- 51-200 employees 126
- 11-50 employees 73
- 201-500 employees 20
- 1-10 employees 8
C++ Backend Engineer for AI Metal 3D Printing
Build the high-performance C++ backend core of an AI platform for metal 3D printing, handling high-rate sensor data ingestion, ML inference integration, and complex 3D geometry processing for aerospace/medical applications.
Senior Python Backend Engineer (Remote) - Python+Rust/Java
Senior Python Backend Engineer on a 12-month contract leading the modernization of high-performance backend services, decommissioning Rails components and migrating data models using Python alongside Rust, Java, or Ruby.
Backend Engineer – AI Scaleup, London (Equity + Bonus)
Backend Engineer building scalable backend services, APIs, and distributed systems on cloud infrastructure in an on-site London role using Golang or similar backend languages.
Senior Backend Engineer — AI-Powered Private Markets Remote
Senior Backend Engineer owning production Python/FastAPI services with Postgres and ClickHouse for an AI-powered private markets data intelligence platform, while mentoring a growing European engineering team.
Backend .NET Developer | API & C# Expert
A .NET Developer building backend services and APIs within an Agile team for major UK clients, working with .NET and cloud technologies in South Bristol.
Lead Backend Engineer (C++, AI) - Hybrid
Lead Backend Engineer owning the backend of Digital Waffle's platform, requiring deep C++ expertise, architecture mindset, mentoring, and focus on AI-powered development, collaborating with Product, Front End, and R&D teams in a hybrid role.
Remote Java Backend Engineer | Spring & Microservices
Remote contract Java backend engineer designing and maintaining backend components using Java, Spring, and microservices architecture.
Remote Django Backend Engineer
Mid-level Django Backend Engineer building and maintaining scalable backend services, APIs, and data models using Django, PostgreSQL, and DRF.
Remote .NET & Azure Backend Engineer
Remote backend software developer building data-driven platforms with C#/.NET, designing RESTful APIs and microservices, and driving CI/CD pipelines via Azure DevOps.
Remote PHP Backend Engineer — Laravel, Node.js, MySQL
Remote contract PHP Backend Engineer building scalable server-side solutions using PHP, Laravel, Node.js, and MySQL, with responsibilities including code review, performance optimization, and system design documentation.
Remote Java Backend Engineer - Spring Boot & Microservices
Remote contract role building scalable backend systems with Java and Spring Boot, delivering microservices and RESTful APIs while collaborating with distributed teams on code reviews and platform improvements.
Staff Backend Engineer - DeFi Infrastructure & APIs
Staff Backend Engineer at Aave Labs building and owning production systems and data pipelines that interface with offchain services and onchain state for DeFi protocols and vault products.
Backend Engineer II – Build Resilient Banking Systems
Backend Engineer building scalable, in-house banking platform services, working across a broad stack including Go, Cassandra, Kafka, Kubernetes, and cloud infrastructure (AWS/GCP).
Senior Backend Engineer — Global Banking Platform (Hybrid)
Senior/Staff Backend Engineer building and evolving Engine by Starling's SaaS banking platform, primarily using Java in a cloud-native microservice architecture on AWS/GCP and Kubernetes.
Senior C++ Backend Engineer - Linux & Microservices
Design, develop, and maintain high-performance Linux backend solutions using C++ and Java, leading technical development of components, services, and APIs with focus on performance, security, and maintainability.
Backend Developer
Backend engineer building core systems, APIs, and financial product infrastructure for BJAK's AI Neobank app, integrating with partners and ensuring reliability at scale across multiple markets.
Backend Engineer II
Backend Engineer working in cross-functional squads on Monzo's in-house banking platform, building and supporting services across areas like Core Banking, Payments, and Fincrime using Go, Cassandra, Kafka, and Kubernetes.
Senior Backend Engineer in Cardiff
Senior Backend/Site Reliability Engineer building and operating reliable, scalable cloud platform services for a UK government department, primarily using Python with a focus on observability, CI/CD and distributed systems.