Backend Jobs in United Kingdom
There are 2,856 open Backend jobs in United Kingdom on freehire right now. 629 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 27%
- ai 27%
- aws 24%
- python 23%
- microservices 18%
- ci-cd 17%
How the work is done
- Hybrid 522 · 18%
- Remote 286 · 10%
- Onsite 36 · 1%
Visa sponsorship offered in 53% of the 149 postings that state a position on it.
Seniority
- Senior 1,277
- Lead 193
- Staff 135
- Middle 70
- Junior 46
- Principal 36
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
Senior Backend Engineer
Build and ship Python (FastAPI) backend services and AI orchestration layers that power agentic AI features for professional investors, using PostgreSQL and ClickHouse at scale.
Senior Backend Engineer (Remote/Hybrid) - IoT APIs
Build and evolve backend services, APIs, and data pipelines for a SaaS IoT platform used by thousands daily, while driving architectural decisions and adopting AI-driven improvements.
Senior Backend Engineer
Builds the backend for a new AI product from scratch alongside founders, using Python and collaborating closely with the CTO.
Lead Backend Engineer - AI Property Ops Platform (Equity)
Lead a backend team building scalable Node.js/TypeScript services for an AI property-management assistant, integrating LLMs and mentoring engineers.
Backend Engineer, C++ for AI-Driven Industrial QC
Builds high-performance C++ systems for an AI-driven industrial quality control platform, focusing on real-time sensor data processing, ML inference integration, and safe handling of complex 3D geometries in metal 3D printing.
AI-Driven Backend Engineer for Predictive Platforms
Builds backend services for AI-powered spend-management features, integrating predictive logic into scalable APIs with ML engineers.
Golang Backend Engineer - Hybrid, Cloud-Native & AI-Driven
Design and build scalable cloud-native backend services in Go, deploying on AWS and collaborating in an Agile team with AI-driven development opportunities.
Senior Backend Engineer - Pyroscope (Remote OSS)
Senior engineer building Pyroscope, an open-source continuous profiling database for Grafana Cloud, designing scalable backend features and collaborating with cross-functional teams.
Senior Backend Engineer - Loki Ingest & Logs (Remote)
Senior backend engineer building scalable observability databases (Loki, Mimir, Tempo) for Grafana Cloud, focusing on reliability and cloud-provider performance.
Senior Rails Backend Engineer — Payments Platform
Builds and maintains Rails-based payment integrations for a SaaS platform, ensuring reliability and performance while collaborating with product and design teams.
Backend Engineer (Go/Python) — Real-Time Data Pipelines
Build and maintain Go/Python microservices, APIs, and databases that power real-time data pipelines and support AI-driven features.
Go Backend Engineer for Real-Time Autoscoring (Hybrid)
Builds and scales Go microservices on Kubernetes, writes REST APIs, and owns production lifecycle for an edtech platform that automates scoring in real time.
Backend Engineer at NexusAM
Build the high-performance C++ core for an AI-powered quality-assurance platform that ingests sensor data and integrates ML inference to ensure safety-critical 3D-printed metal parts meet aerospace and medical standards.
Backend Developer (Azure)
Builds and maintains backend services on Azure using C#, .NET 6, and Azure Functions with API Management and Service Bus.
Lead Backend Engineer
Salary: £65,000 - 70,000 per year Requirements: Strong commercial C++ development experience Excellent knowledge of the C++ Standard Library, STL containers, and algorithms Experience leading, mentoring, or technically…
Backend Developer (Azure)
Build and maintain C#/.NET backend services on Azure, including Functions, API Management, Service Bus, and SQL, while owning CI/CD pipelines in Azure DevOps.