Backend Jobs in United Kingdom

There are 2,854 open Backend jobs in United Kingdom on freehire right now. 627 of them were posted recently. The skills employers ask for most often are api, cloud and java.

Salary

CurrencyPeriod25thMedian75thPostings
GBPyear£75,000£95,000£110,000214
USDyear$130,000$157,500$201,25015

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 285 · 10%
  • Onsite 36 · 1%

Visa sponsorship offered in 53% of the 149 postings that state a position on it.

Seniority

  • Senior 1,277
  • Lead 192
  • 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
2,854 jobs
Futureheads
3 weeks ago

Backend Engineer

Open 21d UK
United Kingdom

Builds and optimizes backend systems that serve AI-powered features, focusing on inference pipelines, orchestration, and low-latency performance for real-world AI interactions.

ai anthropic distributed-systems docker embeddings +8 skills
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Orchestra Backed by a16z
3 weeks ago

Backend Engineer

Open 21d UK
United Kingdom

Build and own Orchestra’s AI-native orchestration engine in Python/FastAPI on AWS, shipping distributed systems that power data and AI workflows for enterprises like Experian and Octopus Energy.

agentic-ai ai aws ci-cd cloud +17 skills
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Doist
3 weeks ago

Backend Engineer

Open 21d HybridUKSenior
United Kingdom

Build and scale the backend for an AI-driven retail intelligence platform, including an LLM-powered chatbot and large-scale data infrastructure used by global brands.

ai api automation aws devops +10 skills
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Fuel Recruitment
3 weeks ago

Security-Cleared Backend & App Developer (Docker, CI/CD)

Open 21d UK
United Kingdom

Develop secure backend systems in Rust, Python, or Go, containerize with Docker, and automate deployments via CI/CD for a defence client requiring SC-cleared personnel.

ci-cd containerization docker python rust
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WPP Media
3 weeks ago

Backend Engineer

Open 21d UK Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Build and scale AI-driven media platforms using C#, .NET Core, TypeScript, and React in Azure, integrating headless CMS tools and composable architectures.

agentic-ai ai analytics api azure +12 skills
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SwiftCruit
3 weeks ago

Junior Backend Engineer

Open 21d UKJunior
United Kingdom

Build and maintain scalable backend services in Python, deploying on AWS with Docker/Kubernetes and CI/CD pipelines to support fintech products.

agile ai aws ci-cd cloud +13 skills
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Obsidian-Security
3 weeks ago

Senior Backend Engineer

Open 21d HybridUKSenior 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 scalable SaaS security systems in Python/Go, designing APIs and multithreaded services for enterprise threat detection and breach prevention.

ai api aws ci-cd cloud +27 skills
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Augur Initiative Ltd
3 weeks ago

Backend Engineer

Open 21d UK 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

Builds distributed Rust-based backend systems for real-time sensor data processing, storage, and APIs to detect threats and surface operational insights.

accessibility ai api api-design data-pipelines +10 skills
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Fresha
3 weeks ago

Staff Backend Engineer (London)

Open 21d UKStaff
United Kingdom

Staff Backend Engineer at Fresha, a beauty & wellness marketplace, building scalable microservices and AI-augmented workflows to power bookings, payments, and global operations.

agentic-ai ai ci-cd github microservices +2 skills
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Markin
3 weeks ago

Staff Backend Engineer, Platform

Open 21d UKStaff
United Kingdom

Lead backend architecture for a platform ingesting signals, orchestrating agents, and dispatching actions across customer channels, setting reliability and observability standards.

distributed-systems event-driven-architecture fintech machine-learning observability
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Intercepta
3 weeks ago

Senior Backend Engineer

Open 21d UKSenior
United Kingdom

Senior Backend Engineer builds low-latency systems that process blockchain data and detect real-time threats for wallets, exchanges, and fintech platforms.

aws blockchain ci-cd cloud data-pipelines +11 skills
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Client Server
3 weeks ago

Lead Backend Engineer - Technologist

Open 21d UKFull-timeLead
United Kingdom

Lead a backend team building APIs and microservices in Python/TypeScript for a scaling FinTech, while mentoring engineers and shaping product vision through client-facing consultancy.

api aws azure ci-cd cloud +16 skills
up to 130 000 £
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NatWest Group
3 weeks ago

Back End Engineer

Open 21d UK 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 maintain backend services for NatWest Boxed using Java, Spring Boot, and AWS, while collaborating on secure, scalable fintech solutions.

aws docker java kafka kubernetes +2 skills
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InvestCloud
3 weeks ago

Senior Go Backend Architect & Platform Lead

Open 21d UKLead 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

Designs and builds scalable Go backend services on AWS with Postgres for a new private-markets platform, setting architecture standards and leading engineering culture.

aws postgresql
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Trustonic
3 weeks ago

Senior Backend Engineer, Cloud-Native AWS

Open 21d UKSenior
United Kingdom

Designs and builds cloud-native backend services on AWS using Python, FastAPI/Flask, and CI/CD pipelines to power secure smartphone locking tech and cloud services.

aws ci-cd cloud cloud-native devops +5 skills
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TransPerfect
3 weeks ago

Senior .NET Backend Engineer - Scalable APIs

Open 21d 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

Builds and maintains scalable .NET backend services and REST APIs for global applications, ensuring security and performance across offices.

api cloud dotnet rest
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Burns Sheehan
3 weeks ago

Senior Backend Engineer – Greenfield FinTech Platform

Open 21d UKSenior
United Kingdom

Build a new fintech backend in Java/Spring Boot and Kafka, designing distributed services and shaping the platform’s architecture.

fintech java kafka spring
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Sage
3 weeks ago

Senior Backend Engineer - Scala, AWS, Hybrid

Open 21d HybridUKSenior 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 scalable backend services for Sage’s cloud-based HCM platform using Scala, Play Framework, and Pekko in a hybrid role.

cloud scala
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Limelight Health
3 weeks ago

Backend Engineer for Acquiring Risk

Open 21d 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

Backend Engineer builds a fraud detection engine for Wise’s Acquiring products, balancing fast payments with strong fraud prevention using Java, Kafka, and SQL.

data-pipelines data-science distributed-systems ecommerce java +5 skills
68 000 – 87 500 £
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Wiz
3 weeks ago

Senior Backend Engineer: Scalable Cloud Systems

Open 21d 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

Designs and builds scalable backend services for a cloud security platform, focusing on distributed systems and clean code in a fast-paced London team.

cloud cloud-security
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