Backend Jobs in United Kingdom
There are 2,895 open Backend jobs in United Kingdom on freehire right now. 640 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 27%
- aws 24%
- python 23%
- microservices 18%
- ci-cd 17%
How the work is done
- Hybrid 535 · 18%
- Remote 309 · 11%
- Onsite 39 · 1%
Visa sponsorship offered in 54% of the 166 postings that state a position on it.
Seniority
- Senior 1,303
- Lead 191
- Staff 143
- Middle 72
- Junior 47
- Principal 36
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
Senior Java Backend Engineer - Scalable FX Trading Systems
Senior Java engineer building high-performance backend systems for FX trading at the London Stock Exchange, focusing on speed, reliability, and scalability.
Senior Lead Software Engineer- Backend Engineer - Chase UK
Build cloud-native microservices in Java for Chase UK’s digital banking platform, focusing on secure, scalable, and reliable backend systems for payments, fraud prevention, and customer onboarding.
Founding Python Backend Engineer — Real-Time AI Analytics
Build core Python backend infrastructure to process real-time data streams and create APIs for AI-powered analytics in a London-based startup.
Backend Engineer – Fintech Payments Platform (B2B) | Hybrid
Backend Engineer builds and maintains Java/Kotlin services for a B2B payments platform on AWS, using Kubernetes and SQL.
Lead Backend Engineer - Trust & Safety (Go/PHP, AI)
Lead backend engineer building and optimizing Go/PHP services for Bumble’s internal recommendation engine, which powers user connections using AI.
Senior Backend Engineer – AI Agent‑Driven, Production‑Ready
Senior backend engineer building and maintaining production-grade systems while collaborating with AI agents for migrations, deployments, and security.
Backend Engineer: Scale AI Systems + Stock Options
Builds scalable backend systems and APIs in statically typed languages, collaborates with ML teams, and mentors junior engineers.
Backend Engineer: Scalable APIs, Equity, Flexible Hybrid
Builds and maintains scalable backend systems handling high-volume transactions using Node.js, TypeScript, and SQL databases.
Junior Backend Engineer (Go) — Ship Real-Time Updates
Junior Backend Engineer writes Go services on AWS and Postgres to power a real-time parcel-delivery platform, reviewing code and shipping features with the CX team.
Backend Engineer - Protein Data Services (Hybrid)
Builds and maintains APIs and cloud infrastructure for UniProt, delivering protein data to researchers via Java/Python and SpringBoot services.
Backend Engineer (Kotlin/Java) — Release & SDLC Automation
Builds and maintains Kotlin/Java 21 backend services and RESTful APIs, focusing on SDLC automation and GenAI-driven productivity improvements for a globally distributed team.
Real-Time Node.js Backend Engineer - AWS & Streams
Builds scalable, real-time backend services in Node.js/TypeScript on AWS, focusing on event-driven systems and data streaming for a six-month contract.
Java Backend Engineer: Scalable Distributed Systems & AI Tools
Build and maintain scalable distributed systems and AI tools for a fintech firm’s trading, operations, and data platforms.
Senior Backend Engineer — Voice AI & Real-Time Systems
Build and own backend systems for Voice AI products, integrating ML pipelines and ensuring scalable, production-ready software in a hybrid setup.