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
Backend Engineer
Build and own an AI-first internal tech stack for a fast-growing LLM-powered investment research platform, including data pipelines, CRM integrations, and automation tools.
Backend Engineer (UK)
Build and scale backend services for an accounting-automation SaaS that replaces spreadsheets for finance teams, using Spring Boot/Java/Kotlin, MySQL, and AWS.
Backend Engineer
Build and scale core backend services in Scala/Python that power AI-driven data pipelines, transforming unstructured signals into structured intelligence for enterprise CRMs and AI products.
Lead Backend Engineer (Node.js)
Lead Backend Engineer at Enablis builds scalable Node.js services and cloud solutions for clients, collaborating with cross-functional teams to deliver robust, maintainable software using modern stacks like TypeScript, AWS, and React.
Backend developer
Build and scale a big-data analytics backend that processes emotion datasets, integrating SQL/NoSQL systems and agile pipelines to power a new AI-driven HX Workbench platform.
Kotlin Backend Engineer — Fintech (Hybrid)
Builds and maintains Kotlin-based backend services for a digital bank, collaborating in an Agile team to deliver customer-facing features.
Back-End Engineer, Trading London
Build backend services in Kotlin/Python for a crypto trading platform, including order management, market data, REST APIs, and WebSocket streams in a high-volume, low-latency environment.
Senior Backend Engineer
Build and maintain secure, scalable backend services in Java/Spring Boot that integrate identity providers and data security platforms for an AI-first cybersecurity product.
Mid-level Backend Engineer
Build and scale a regulatory reporting platform in Python/FastAPI, maintaining PostgreSQL/SQLAlchemy services that power financial compliance for Tier 1 banks.
Backend Engineer
Builds and designs backend services in Python and Rust for a deeptech platform optimizing complex engineering systems, focusing on API design, cloud/HPC integration, and code quality.
Lead Backend Engineer - C#/.NET, Azure SaaS | Hybrid WFH
Lead a small team to design and deliver C# .NET Core services for a SaaS platform on Azure, mentoring engineers and shaping technical direction.
Backend Engineer for Acquiring Risk
Build and maintain a fraud-detection engine for Wise’s acquiring products, balancing fast payments with strong risk controls using Java, Kafka, and SQL.
Senior Backend Engineer - Revenue
Build and maintain scalable backend services in PHP/Laravel that power pricing and revenue systems for a UK mobility platform.
Backend Engineer/Visa Sponsorship available
Build and scale the backend infrastructure for a fintech platform offering USD accounts, global payments, and investments for users in high-inflation regions.
Staff Backend Engineer (Visa Sponsorship Available)
Staff backend engineer leading technical direction for Monzo’s Business Banking features, building scalable Go services on AWS/GCP to automate SME finance workflows like tax pots and invoicing.
Backend Engineer - Ruby
Build and scale Ruby on Rails backend services for a circular-device subscription platform, integrating third-party services and optimizing Sidekiq job processing.
Senior Backend Engineer
Build backend infrastructure that integrates legacy shipping systems (ERPs, vessel software) into a real-time data sync and workflow orchestration platform powering AI agents for maritime logistics.