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
Senior Backend Engineer at WareBee building APIs, ingestion pipelines, and storage for warehouse AI systems that model physical layouts and workflows.
Senior Backend Engineer
Build and own a high-performance routing engine, billing infrastructure, and webhook delivery using Python, FastAPI, and MongoDB for a fintech lead-processing platform.
Senior Backend Engineer
Build and scale real-time voice processing pipelines and NHS EHR integrations for a healthcare startup using Python/Go, Kafka, PostgreSQL, and Kubernetes.
Back-End Engineer (Senior)
Senior back-end engineer at Xe.com building and modernizing cross-border payment services in C#/.NET, AWS, and event-driven architectures while owning production reliability and mentoring peers.
Staff Backend Engineer
Build and shape a greenfield event-based customer communications platform in Java/Spring Boot on Azure with Terraform, owning DevOps and scalable architecture while exploring Agentic AI in the SDLC.
Backend Engineer (Golang)
Build and optimize high-performance Golang microservices for a fast-growing ad-tech platform, designing scalable APIs and distributed systems that power real-time advertising.
Senior Backend Engineer
Build and scale backend systems for AI-powered telecom Voice AI products, integrating ML pipelines and real-time telephony infrastructure using Go, Python, and Kubernetes.
Backend Developer - Laravel / PHP, Remote & Hybrid
Builds and maintains PHP/Laravel backend services, integrates APIs, and collaborates with frontend teams to deliver ecommerce features.
Backend Engineer — Rails & Scalable Subscriptions
Build and scale backend services for a device-subscription platform using Ruby on Rails and Sidekiq in a hybrid London role.
Senior Backend Engineer - Payin Platform
Build and maintain Wise’s Payin Platform backend in Java/Kotlin with Spring Boot, PostgreSQL, and Kafka to power automated money movement and payment orchestration for millions of users.
Backend Engineer, Distributed Systems (Hybrid)
Build scalable, event-driven payment systems in Kotlin/Java that process millions of real financial transactions daily, including cross-border and Stablecoin-enabled payments.
Senior Back-End Engineer
Build and own backend features for a global language-learning platform using Python/Django, integrating third-party services and guiding technical decisions in a fast-paced, data-driven environment.
Senior Backend Engineer
Builds backend services in Python (Django/SQLAlchemy) to support BactoBio’s synthetic biology and machine-learning pipeline for discovering novel antibiotics and biodegradable fungicides.
Backend Engineer (Mid-Level)
Build and scale backend services for Motorway’s UK car marketplace, using Node.js, TypeScript, and AWS to power dealer auctions and seller transactions.
Staff Backend Engineer
Staff Backend Engineer building scalable REST microservices in TypeScript/Node.js for a fintech company serving millions of customers.
Senior Backend Engineer (Java)
Build and evolve the Unified Profile service that powers user identities and preferences across Benifex’s reward and benefits platform using Java, Spring Boot, and event-driven architecture.
Expert Backend Engineer
Build and scale distributed backend systems in Go for Wiz’s cloud security platform, working across multi-cloud environments (AWS, Azure, GCP) with GraphQL, PostgreSQL, and Kubernetes.
Backend Engineer (App Delivery)
Build and own backend services and integrations for an AI-powered SaaS platform that accelerates development for critical industries using Python, FastAPI, and workflow tools like Dagster and Temporal.