Backend Jobs in United Kingdom
There are 2,898 open Backend jobs in United Kingdom on freehire right now. 632 of them were posted recently. The skills employers ask for most often are api, cloud and ai.
Salary
| Currency | Period | 25th | Median | 75th | Postings |
|---|---|---|---|---|---|
| GBP | year | £75,000 | £95,000 | £110,000 | 212 |
| USD | year | $130,000 | $157,500 | $201,250 | 15 |
From postings that disclose pay. Currencies are counted separately, never converted.
Most requested skills
- api 39%
- cloud 30%
- ai 28%
- java 28%
- aws 24%
- python 24%
- microservices 18%
- ci-cd 17%
How the work is done
- Hybrid 538 · 19%
- Remote 312 · 11%
- Onsite 39 · 1%
Visa sponsorship offered in 54% of the 166 postings that state a position on it.
Seniority
- Senior 1,305
- Lead 191
- Staff 143
- Middle 72
- Junior 47
- Principal 37
Who is hiring
- 1000+ employees 243
- 501-1000 employees 143
- 51-200 employees 129
- 11-50 employees 76
- 201-500 employees 20
- 1-10 employees 8
Backend Engineer: AI-Powered Workflow Platform
Builds and integrates backend services for an AI-powered SaaS workflow platform using Python or TypeScript, cloud tech, and AI-driven data workflows.
IoT Backend Engineer: Prototyping, Cloud & APIs
Develops backend services for IoT devices using Python, cloud platforms, and RESTful APIs, while collaborating on firmware and ML analytics.
Senior Backend Engineer — Python Microservices (FastAPI) London
Senior Backend Engineer builds and scales a Python-based microservices platform using FastAPI for an insurtech company in London.
Staff Backend Engineer: AI Platform & APIs
Builds and maintains core backend services for an AI-driven financial platform, integrating agentic AI capabilities into financial services.
Senior Java/Kotlin Backend Engineer – Hybrid London
Designs and builds scalable backend services in Java/Kotlin, AWS, and distributed systems for customer-facing products.
Backend engineer (IT) - LA International Computer Consultants Ltd
Build and maintain secure, scalable backend services using Python and/or Go, with a focus on containerized systems and Kubernetes orchestration.
Lead Backend Engineer (Routing Squad)
Lead a backend team building routing and planning systems that match supply-demand, optimize parcel distribution, and scale a sustainable electric delivery network in Europe.
DevX POD Lead - Kotlin/Java Backend Architect
Leads a Kotlin/Java backend team, designing microservices and APIs, mentoring engineers, and driving delivery best practices in a hybrid setup.
Senior Backend Engineer: Low-Latency, High-Throughput Systems
Build low-latency, high-throughput backend systems for a novel AI-focused search engine, handling thousands of real-time queries per second.

Backend Engineer - Java Microservices (Fintech) | Stock Options
Builds and maintains Java/Spring Boot microservices for cross-border payments and treasury systems in a fast-growing fintech.
High-Performance Backend Engineer – I/O & Storage Systems
Builds high-performance backend services for I/O and storage systems, optimizing data access in distributed environments using C/C++, Go, or Python.
Senior Backend Engineer - Payout Network & Integrations
Senior Backend Engineer builds and scales Kotlin/Java services and AWS data pipelines for a remittance-focused fintech, owning integrations and collaborating with cross-functional teams.
Senior Backend Engineer - Build Scalable Financial APIs
Build and maintain scalable Java-based microservices and mobile APIs for a fintech platform handling payments and risk management.
Senior Java Backend Engineer — Spring Boot, Hybrid
Designs and builds scalable Java/Spring Boot backend services and RESTful APIs for public-sector digital platforms, ensuring performance, security, and CI/CD in a hybrid on-site role.
Senior Java Backend Engineer: Build Scalable FinTech APIs
Build and optimize scalable Java 17/21 backend APIs and microservices for a fintech platform, focusing on payment processing, fraud detection, and risk management with TDD and scalable design.
Java Backend Engineer - Scalable, Secure and Hybrid
Builds and maintains scalable Java backend services for a data collaboration platform, focusing on distributed systems, microservices, and cloud deployments.