Backend Jobs in United Kingdom

There are 2,898 open Backend jobs in United Kingdom on freehire right now. 646 of them were posted recently. The skills employers ask for most often are api, cloud and ai.

Salary

CurrencyPeriod25thMedian75thPostings
GBPyear£75,000£95,000£110,000212
USDyear$130,000$157,500$201,25015

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 311 · 11%
  • Onsite 39 · 1%

Visa sponsorship offered in 54% of the 166 postings that state a position on it.

Seniority

  • Senior 1,306
  • 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
2,898 jobs
Great Value Hiring
3 weeks ago

Senior Python Backend Engineer – MCP & Docker Expert

Open 22d UKSenior
United Kingdom

Builds MCP servers and integrates apps into sandbox environments using Python, Docker, and Linux; focuses on stability via testing and debugging.

API Docker Linux MCP Python
40 – 50 $ / hr
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GitLab Backed by Y Combinator
3 weeks ago

Senior Backend Engineer — AI Agent Platform Tools

Open 22d UKSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Senior Backend Engineer builds and maintains AI agent platform tools, focusing on MCP server integration, scalability, and security in a distributed environment.

Agentic AI AI GitLab MCP Observability
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United States Digital Space LLC
3 weeks ago

Founding Backend Engineer (Senior) – Onsite Chattanooga

Open 22d UKSenior
United Kingdom

Build and scale the backend for a trading-card marketplace and intelligence platform, working onsite in Chattanooga.

120 000 – 150 000 $
MONY Group
3 weeks ago

Senior Backend Engineer – AI-Driven Cloud Platforms

Open 22d HybridUKSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Senior backend engineer building and scaling cloud platforms that serve millions, using AI-assisted practices in a hybrid role.
Praxis Tech
3 weeks ago

Remote Senior Node.js Backend Engineer- Payments & Crypto

Open 22d RemoteUKSenior
United Kingdom

Build and maintain Node.js backend services for crypto and fiat payment systems, ensuring secure and efficient transaction processing.

Blockchain Node.js Web3
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The London Metal Exchange
3 weeks ago

Senior Backend Engineer – Platform Modernisation (Java/.NET)

Open 22d UKSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Designs, builds, and optimizes backend services and APIs in Java/.NET for the London Metal Exchange’s platform modernization, ensuring reliability and scalability.

API CI/CD .NET Java Observability +1 skills
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Praxis Tech
3 weeks ago

Mid Backend Engineer - Java/Node.js & Microservices

Open 22d UKMiddle
United Kingdom

Designs and maintains Java/Node.js microservices and REST APIs for a gaming backend, using PostgreSQL, MySQL, or MongoDB.

API Java Microservices MongoDB MySQL +3 skills
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United States Digital Space LLC
3 weeks ago

Junior Backend Engineer (CX Squad)

Open 22d HybridUKJunior
United Kingdom

Build backend services in Go for a 100% electric parcel delivery platform, shipping features like live tracking and integrations that power daily operations.

AWS CDK Claude Code Cloud Distributed Systems +10 skills
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nudge
3 weeks ago

Senior Backend Engineer (C#/.NET) – Hybrid London | Equity

Open 22d HybridUKSenior
United Kingdom

Build and maintain the backend of a global financial wellbeing platform using C#/.NET, contributing to both backend and frontend while owning critical components.
Spectrum IT Recruitment
3 weeks ago

Senior Java/Kotlin Backend Engineer – Hybrid (London)

Open 22d HybridUKContractSenior
United Kingdom

Senior backend engineer building scalable Java/Kotlin microservices and REST APIs in a cloud environment for a hybrid London role.

API Cloud Java Kotlin Microservices +1 skills
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Speechify
3 weeks ago

Platform Backend Engineer — TS/Node, Cloud & APIs

Open 22d UK H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Builds and maintains backend services like payments, analytics, and APIs using TypeScript/Node.js on Google Cloud Platform.

Analytics API Docker GCP Kubernetes +1 skills
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Barclays
3 weeks ago

Python Backend Engineer – AWS, Docker & AI‑Driven Automation

Open 22d UK
United Kingdom

Builds Python-based backend services and cloud-native automation on AWS using Docker and AI tools to streamline operations within a large financial firm.

AI Automation AWS Cloud Cloud Native +3 skills
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Grafana Labs
3 weeks ago

Staff Backend Engineer for AI Context Layer

Open 22d UKStaff Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Build and scale core backend services for an AI-native data context system, owning ingestion, indexing, retrieval APIs, and agent integrations in a high-autonomy team.

AI API Grafana SaaS
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Team Creation
3 weeks ago

Senior Java Backend Engineer — Scalable Gaming Platform

Open 22d UKSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Senior Java engineer building and scaling backend services for a global gaming platform, focusing on low-latency live game processing and secure API design.

API Api Design DevOps Java
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Sainsbury's Supermarkets Ltd
3 weeks ago

Node.js & TypeScript Backend Engineer — Hybrid London

Open 22d UK
United Kingdom

Builds and maintains Node.js/TypeScript microservices for Sainsbury's backend systems, integrating APIs and event-driven platforms to support scalable retail applications.

API Event Driven Architecture Jira Microservices Node.js +1 skills
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Virtual Hire Staffing
3 weeks ago

Backend Engineer – AWS CDK & Edge Platform (London)

Open 22d HybridUKContract
United Kingdom

Builds and maintains AWS CDK-based backend services and edge platforms for a global streaming platform, focusing on traffic routing, observability, and AI tool hosting.

AI AWS CDK Distributed Systems Microservices +1 skills
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Raylo
3 weeks ago

Backend Engineer (Ruby on Rails) — Growth, Hybrid, Stock Options

Open 22d HybridUKMiddle
United Kingdom

Mid-level backend engineer building customer decisioning and third-party integrations in Ruby on Rails, collaborating with product and frontend teams in a hybrid setup.

Rails Ruby
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Weekday AI
3 weeks ago

Senior Python Backend Architect - Lead & Mentor

Open 22d UKFull-timeLead
United Kingdom

Lead backend development in Python using Django/Flask, build RESTful APIs, and mentor junior engineers in a collaborative AI-focused team.

API Django Flask Python REST
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Fuse Energy, LLC
3 weeks ago

Senior Backend Engineer - Real-Time Energy Infra

Open 22d UKSenior
United Kingdom

Build backend infrastructure for a real-time energy platform, including digital twins and third-party integrations, to enable global clean electricity access.
Workonomics
3 weeks ago

Lead Backend Engineer- High-Scale SaaS Data Engine (Hybrid)

Open 22d UKLead
United Kingdom

Lead backend engineer building a high-performance data engine for a SaaS product, ensuring data integrity and low-latency processing in a hybrid London role.

Observability

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