Top Backend Developer Jobs in London

Reposted 9 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Software
As a Senior Product Engineer, you'll build AI-powered workflows, enhance billing infrastructure, and ensure the reliability of production backend systems while collaborating with a small cross-functional team in a fast-paced environment.
Top Skills: BigQueryExposedGitGCPGoogle Cloud MonitoringGoogle Cloud Pub/SubHttp4KKotlinLinearNotionPostgresReactResult4KSentrySlackSpring BootTerraformTypescript
Reposted 9 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • HR Tech • Productivity • Software
The role involves designing scalable Node.js services for AI voice applications and optimizing AWS infrastructure for high-concurrency healthcare needs.
Top Skills: AWSNode.js
Reposted 9 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Information Technology • Financial Services
Lead assessment and redesign of backend architecture to improve reliability, scalability, multi-tenancy, and security. Design core abstractions and pipelines with platform/infrastructure teams, set technical direction for scaling to thousands of customers and tens of millions of documents, raise engineering standards, and ship production-grade systems while remaining hands-on.
Top Skills: AICloud InfrastructureLarge Language ModelsMachine LearningPython
Reposted 9 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Cloud • Software • Analytics
The Senior Back-End Software Engineer will implement features, improve logic, write integrations with APIs, and contribute to design discussions within a startup environment.
Top Skills: AWSDjangoDockerK8SPostgres
YesterdaySaved
Remote
London, UK
Senior level
Senior level
Agency • HR Tech • On-Demand • Professional Services
As a Senior Backend Software Engineer at Zipline, you will enhance engineering practices, develop tooling for CI/CD, and integrate AI to improve quality and speed in software delivery.
Top Skills: AWSCircleCIClaude CodeDatadogDockerGitHerokuKubernetesPostgresRedisRuby On RailsSemgrepSentrySnykTerraform
Reposted 10 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Healthtech
The Backend Developer will design and deliver backend services using Kotlin/Java, contribute to architectural decisions, ensure code quality and technical documentation, and collaborate with stakeholders in a healthcare SaaS environment.
Top Skills: AWSCi/CdDicomDockerHl7JavaKotlinKtorKubernetesSpring Boot
Reposted 10 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Software
As a Backend/Fullstack Engineer at Hook, you'll design and build product features, manage architecture, review code, and improve processes, focusing on both frontend and backend development using Python and React.
Top Skills: Cloud TechnologiesDjangoFastapiFlaskPythonReact
Reposted 10 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Music
The Backend Engineer will improve Spotify's core infrastructure systems, focusing on reliability and scalability for content delivery management and central services.
Top Skills: Cloud-Based EnvironmentsJava
Reposted 10 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Healthtech • Machine Learning • Software
As a Product Engineer at V7, you'll develop APIs, scale multi-modal data handling, manage infrastructure, and enhance AI model applications.
Top Skills: AWSClojureDockerElixirF#GenaiGoHaskellNode.jsScalaTerraform
Reposted 11 Days AgoSaved
In-Office
London, UK
Expert/Leader
Expert/Leader
Cloud • Security • Cybersecurity
The Expert Backend Engineer will develop and maintain large-scale components for cloud security, emphasizing clean, efficient code and collaboration with teams.
Top Skills: AWSAzureC#DockerGCPGoJavaKubernetesNeptunePostgres
11 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Blockchain • Financial Services • Cryptocurrency • Web3 • Quantitative Trading
Design and develop components of Ripple's identity platform, focusing on authentication and authorisation, while using AI tools. Lead projects and collaborate with teams.
Top Skills: GoJavaKubernetesOauth 2.0OidcSAML
Reposted YesterdaySaved
London, UK
Senior level
Senior level
Artificial Intelligence • Information Technology • Software • Cybersecurity
The Fullstack Engineer will focus on product software engineering, agents framework engineering, and R&D in AI and cybersecurity. Responsibilities include hands-on engineering, testing, and integrating AI Agents into existing systems.
Top Skills: Generative AiHaystackLangchainLlamaindexPythonRag
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Reposted YesterdaySaved
Remote
London, UK
Senior level
Senior level
Artificial Intelligence • Insurance • Software • Business Intelligence
As a Senior Backend Engineer, you'll develop features using Python and various AWS services, focusing on AI-driven solutions for the insurance sector.
Top Skills: Auth0Aws Api GatewayAws LambdaAws RdsAws S3Aws SesAws SnsAws SqsCircleCIDatadogDockerGcp BigqueryGcp VertexaiGitJsonschemaKubernetesLocalstackMypyOcr EnginesPusherPythonRedisRelational DatabasesRest ApisRole Based Access ControlTerraform
11 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
Design, implement, and deploy scalable backend systems for AI tools in a financial context. Collaborate on architecture, code quality, and data management.
Top Skills: Ci/CdDevOpsFastapiGenerative AiKubernetesLlm FrameworksMachine LearningOpenshiftPython
Reposted 11 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Healthtech
As a Backend Engineer, you will design and implement APIs, maintain AWS infrastructure, manage databases, and work with cross-functional teams to enhance Pelago’s core services.
Top Skills: AWSMySQLNode.jsTypescript
Reposted 11 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Blockchain • Software • Analytics • Financial Services • Cryptocurrency
Develop and maintain backend components of Tether's platform, focusing on new products, scalability, and security. Collaborate with various teams to implement solutions and improve existing services.
Top Skills: JavaScriptMongoDBMySQLNode.jsRedisRuby On Rails
Reposted 11 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Blockchain • Software • Analytics • Financial Services • Cryptocurrency
As a Senior Backend Developer, you'll develop and maintain backend services, ensuring security, scalability, and implementation of new products while collaborating with teams to enhance user experience.
Top Skills: MongoDBMySQLNode.jsRuby on RailsRedisRuby
Reposted 11 Days AgoSaved
In-Office or Remote
London, UK
Mid level
Mid level
Blockchain • Software • Analytics • Financial Services • Cryptocurrency
As a Backend Engineer at Tether, you'll build scalable backend solutions, ensuring security and responsiveness while working with Node.js and microservices architecture.
Top Skills: JavaScriptMongoDBMySQLNode.js
Reposted 11 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Information Technology • Software
The Software Developer will enhance liquidity access, develop data feeds, and ensure software stability while collaborating across teams. Responsibilities include coding, testing, and production support.
Top Skills: GoGrafanaJavaScriptKafkaLinuxOpentelemetryPostgresPrometheusPythonRabbitMQRedisTypescriptZabbix
Reposted 11 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Software • Design
As a Backend Engineer at Rive, you will build and scale cloud services, develop APIs, maintain web applications, and improve system observability. You'll work collaboratively with customers and ensure code maintainability.
Top Skills: Aurora MysqlAWSAws CodepipelineBashC++CloudwatchDartDockerFlutterGithub ActionsJavaScriptNext.JsNode.jsOpentelemetrySentryTerraformTypescript
Reposted 11 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Digital Media • News + Entertainment
The Senior Backend Engineer will develop scalable APIs and backend systems for a multimodal AI platform, focusing on design, deployment, and collaboration with various teams.
Top Skills: SparkAWSAzureDockerGCPKafkaMongoDBPostgresPythonRedisTypescript
Reposted 2 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Blockchain
Design, build, and maintain backend services for WalletConnect Pay. Collaborate cross-functionally, lead architecture decisions, and own services end-to-end.
Top Skills: AWSRustTerraformTypescript
3 Days AgoSaved
Remote
London, UK
Entry level
Entry level
Software
The Backend Engineer will design and operate reconciliation systems, improve workflows, and collaborate across teams to enhance Grafana's operational efficiency for customer-facing stacks.
Top Skills: AWSAzureGCPGoHelmJsonnetKubernetesNode.jsTerraformTypescript
Senior level
Software
As a Senior Backend Engineer, you'll develop Grafana's next-generation storage, oversee critical systems, mentor peers, and drive feature development in a remote environment.
Top Skills: GoKubernetes
Reposted 12 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Artificial Intelligence • HR Tech • Productivity • Software
Design and maintain backend services and RESTful APIs, collaborate with cross-functional teams, and scale infrastructure in a fast-paced environment.
Top Skills: AWSFlaskPostgresPythonTerraform
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