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Backend Jobs in United Kingdom

There are 2,183 open Backend jobs in United Kingdom on freehire right now. 744 of them were posted recently. The skills employers ask for most often are api, cloud and ai.

Salary

CurrencyPeriod25thMedian75thPostings
GBPyear£77,750£95,000£117,500123

From postings that disclose pay. Currencies are counted separately, never converted.

Most requested skills

  • api 47%
  • cloud 33%
  • ai 33%
  • python 28%
  • java 27%
  • aws 27%
  • ci-cd 23%
  • microservices 20%

How the work is done

  • Hybrid 426 · 20%
  • Remote 262 · 12%
  • Onsite 41 · 2%

Visa sponsorship offered in 53% of the 112 postings that state a position on it.

Seniority

  • Senior 913
  • Lead 133
  • Staff 82
  • Middle 68
  • Principal 43
  • Junior 23

Who is hiring

  • 1000+ employees 113
  • 501-1000 employees 43
  • 51-200 employees 42
  • 11-50 employees 25
  • 1-10 employees 7
  • 201-500 employees 4
2.2K jobs
Praxis Tech
last month

Mid-Level Backend Developer

Open 31d UKMiddle
United Kingdom

The Mid-Level Backend Developer will be responsible for designing, developing, and maintaining the backend systems that power Stakemate's iGaming platform. About Stakemate Stakemate is a fast-growing iGaming agency…
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Limelight Health
last month

Backend Engineer - Account Sharing

Open 31d UK
United Kingdom

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country,…

API Distributed Systems Event Driven Architecture Java Kafka +3 skills
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Zuma Labs
1 views last month

Backend Engineer

Open 31d UK
United Kingdom

Zuma Labs is a disruptive technology startup building force multipliers for systemic industries. Our first two products, Venetian and Squawk, target the over-the-counter (OTC) trading markets. We work closely with our…

Analytics API AWS Azure CI/CD +13 skills
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KASZEK
3 views last month

Backend Java Engineer — Fintech, Hybrid, Stock Options

Open 31d HybridUK
United Kingdom

KASZEK is looking for a Backend Engineer to design and maintain scalable backend systems that support financial inclusion. You will work in a hybrid model, collaborating with a talented team and building systems that…

Fintech Java
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Pureprint Group
6 views last month

Frontend / Backend Developer (Rust, Typescript)

Open 31d UK
United Kingdom

Key Responsibilities Design, develop, and maintain performant and reliable systems. Write clean, maintainable, and well-documented code in Rust and TypeScript. Collaborate with others to define and deliver new…

AWS Azure CI/CD Cloud Containerization +10 skills
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CreateFuture
4 views last month

Technical Lead - Backend (Java / Spring Boot)

Open 99d HybridUKLead
United Kingdom

Lead a team building Java/Spring Boot services (REST APIs and Kafka pipelines) in a fast-paced consultancy, driving delivery, mentoring engineers, and leveraging AI tools to accelerate high-quality development.

Agentic AI AI API AWS CI/CD +17 skills
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Abnormal Security
15 views last month

Software Engineer - Backend - Behavioral Security Products

Open 31d RemoteUK
United Kingdom

Backend software engineer on the Identity Threat Protection team, building and operating scalable Python backend systems, APIs, and ML infrastructure, plus LLM-powered agentic features for detecting account takeover and identity attacks. Core stack: Python, AWS (S3/RDS), Kafka, gRPC, Redis, Docker/Kubernetes.

Agentic AI AI Anthropic API AWS +21 skills
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Electric Capital
7 views last month

Principal Backend Engineer, Push

Open 32d Europe, UKPrincipal

Aave Labs is hiring a hands-on Principal Backend Engineer to lead the team behind Push, its regulated non-custodial fiat on-ramp/off-ramp — owning architecture across payment processing, open-banking and compliance integrations, and blockchain settlement. Requires 8+ years of backend engineering, distributed systems handling real money, and regulated-fintech experience; Rust production experience

API Api Design Blockchain C++ Event Driven Architecture +5 skills
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OpenTalent
2 views last month

Developer Support Engineer: Backend, API & Integrations

Open 32d UK
United Kingdom

Provides advanced technical support for Jama Software's cloud and self-hosted products, investigating moderately complex backend, API, integration, database, and configuration issues. Partners with customers and Engineering to document defects and build workarounds that improve the product.
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United States Digital Space LLC
4 views last month

Senior Backend Engineer – Asset Backed Trading

Open 32d UKSenior
United Kingdom

Senior backend engineer on the Humboldt team building Asset Backed Trading: developing a Python monorepo of serverless services that ingests market data, formulates optimization problems, calls solvers, and dispatches trading positions back to assets, while partnering with data scientists and traders.

Python Serverless
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OpenTalent
6 views last month

AI-Driven Backend Engineer for BSS & Integrations

Open 32d UKLead
United Kingdom

OpenTalent is hiring a backend developer to build and integrate systems powering a UK ISP — designing database schemas, writing efficient queries, and owning SOAP, REST/JSON, and XML API integrations with a focus on security and data integrity. The role involves deploying to Plesk VPS hosting, reviewing AI-generated code, and shipping features incrementally.

AI API Automation JSON SOAP +1 skills
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EMNET
10 views last month

Remote Senior Backend Engineer - AI-Driven FinTech Platform

Open 32d UKSenior
United Kingdom

EMNET is hiring a Senior Backend Engineer to design and build scalable backend platforms, services, and APIs for AI-enabled FinTech products. Day to day you'd own system design, work with cloud-native architecture ensuring performance and security, and collaborate with AI, Data, and Product teams while mentoring others.

AI API Cloud Cloud Native Fintech
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Agilis Recruitment
4 views last month

C# .NET Backend Engineer | AI-Driven Cloud & Microservices

Open 32d UK
United Kingdom

Builds backend services, APIs, and distributed microservices in C#/.NET on AWS for a global technology organisation's high-volume platform in Cheltenham. Works with modern tooling like Docker and Blazor, AI-assisted development, and strong testing and code-review practices.

AI API AWS C# Distributed Systems +3 skills
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Woltglobal2
7 views last month

Backend Engineer, Core BI Platform & Automation

Open 32d UK
United Kingdom

Join DoorDash's Core BI team to build and operate the backend services, APIs, and infrastructure powering business-intelligence platforms used across DoorDash. You'll automate the platform lifecycle, improve availability, observability and security, apply AI tooling, and mentor teammates on best practices.

AI API Observability
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Talk Recruitment
6 views last month

Remote Senior Backend Engineer for AAA Games

Open 32d RemoteUKSenior
United Kingdom

Talk Recruitment is hiring a Senior Backend Engineer on behalf of a leading AAA video game studio. The engineer designs, deploys, and maintains high-performance backend services for real-time online multiplayer games, ensuring security and scalability for millions of users. The role is remote, with optional Worcestershire/West Midlands presence.
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OLR Holdings Ltd trading as DFYNE
6 views last month

Senior Backend Engineer, Product Platforms — Scale & Own

Open 32d UKSenior
United Kingdom

Senior Backend Engineer at DFYNE (Uddingston, UK) who owns and scales the company's backend platforms, improving reliability and performance and helping shape architectural decisions. Works hands-on with Product, Engineering and Operations, with mentorship and technical leadership responsibilities.
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Bright Purple
9 views last month

Senior AI-First Backend Engineer (Real-Time) – Hybrid

Open 32d HybridUKSenior
United Kingdom

Bright Purple is hiring a Senior Backend Engineer for its UK core product team (hybrid, London or Edinburgh) to build high-throughput, real-time data engines using C#, .NET, and Azure, while embracing AI-assisted coding tools and agentic development workflows and owning architecture and design decisions.

Agentic AI Agile AI Azure C# +1 skills
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Talk Recruitment
7 views last month

Senior Backend Engineer – Remote, AAA Gaming Studio

Open 32d RemoteUKSenior
United Kingdom

A Senior Backend Engineer designs, develops and maintains backend services supporting real-time online games for a leading AAA video game studio, collaborating with game teams to meet performance and security requirements. The role is remote or on-site in Worcestershire/West Midlands.
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Hunter Selection | B Corp™
5 views last month

Senior Backend Engineer (Java/C++) - Secure, Scalable

Open 32d UKSenior
United Kingdom

Hunter Selection is recruiting a Senior Backend Software Developer in Gloucester to design, develop and maintain secure, scalable applications using Java and/or C++. The role involves contributing to architecture, mentoring peers, and delivering high-quality APIs and services in a highly technical environment.

API C++ Java
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Bitbo
9 views last month

Remote Backend Engineer - C# / .NET Core, Scalable API

Open 32d RemoteUK
United Kingdom

Strike, the Bitcoin company, is seeking experienced backend engineers to help scale its high-availability, neo-payment network. You will build robust, secure services and collaborate across product, engineering, and…

C# .NET
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