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Top Backend Developer Jobs in London

Reposted 8 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Information Technology • Security • Cybersecurity
Design, develop, and maintain backend services and APIs for the IAM platform. Collaborate to build features that meet security standards and optimize performance.
Top Skills: AWSAzureDockerGoGoogle Cloud PlatformJavaKubernetes
Reposted 8 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Information Technology • Security • Cybersecurity
Design and develop backend services for the IAM platform, focus on performance and scalability, collaborate with teams, optimize security, and stay current with industry trends.
Top Skills: AWSAzureDockerGoGoogle Cloud PlatformJavaKubernetesMicroservicesNoSQLRestful ApisSQL
Reposted 8 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Artificial Intelligence • Enterprise Web • Software
Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.
Top Skills: GoNode.jsTypescript
Reposted 18 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Payments • Financial Services
Design and develop scalable server-side components, integrate APIs, automate workflows, and collaborate with teams on financial solutions.
Top Skills: APIsDjangoMicroservicesPython
Reposted 18 Days AgoSaved
Remote or Hybrid
London, UK
Entry level
Entry level
AdTech • Big Data • Digital Media • Marketing Tech • Software • Big Data Analytics
The Jr Back End Engineer will contribute to backend services, build APIs, improve code quality through collaboration, and learn about large-scale data management in a supportive environment.
Top Skills: ClickhouseMongoDBPythonRuby On RailsSidekiq
Reposted 18 Days AgoSaved
Remote or Hybrid
London, UK
Mid level
Mid level
AdTech • Big Data • Digital Media • Marketing Tech • Software • Big Data Analytics
As a Back End Engineer, you will develop high-performance back-end features, optimize database endpoints, and engage in the full development life cycle while collaborating remotely with the team.
Top Skills: AWSClickhouseMongoDBPythonReactRuby On RailsSidekiqTypescript
Reposted 19 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Fintech • Software • Financial Services
The Senior Backend Engineer will design and build scalable systems, mentor junior engineers, identify process efficiencies, and communicate technical challenges effectively.
Top Skills: Amazon S3BigQueryDatadogDbtDockerFastapiFlaskGCPGrafanaIncident.IoKubernetesMongoDBPostgresPrometheusPythonRabbitMQRedisSentrySqlalchemyTerraform
Reposted 19 Days AgoSaved
Hybrid
London, UK
Entry level
Entry level
Information Technology • Travel
You will design and build APIs to simplify travel systems, ensuring high code quality and excellent developer experiences.
Top Skills: ElixirGoogle Cloud PlatformKubernetesPhoenix
Reposted 19 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Mid level
Mid level
Information Technology
As a Backend Engineer, you will design and maintain scalable backend systems, focusing on performance and reliability, primarily using Rust or C++. You will work with distributed systems and various databases while contributing directly to production infrastructure.
Top Skills: C++ClickhouseDockerGoGrpcKubernetesMongoDBPostgresPythonRustTypescript
11 Days AgoSaved
Remote or Hybrid
London, UK
Entry level
Entry level
Financial Services
Join the Enterprise Architecture team as a Backend Engineer to develop event-driven solutions, mentor teams, and improve data access. Key responsibilities include building services and APIs, managing the software lifecycle, and collaborating with various tech teams.
Top Skills: AWSC#DockerGitJavaJenkinsKafkaKinesisKubernetesNosql DatabasesRabbitMQRelational DatabasesSqs
Reposted 11 Days AgoSaved
Remote or Hybrid
London, UK
Expert/Leader
Expert/Leader
Information Technology • Mobile • Consulting
As a Backend Staff Engineer, you will lead technical standards, mentor junior engineers, conduct code reviews, and drive feature development in a fast-growing on-demand services environment.
Top Skills: A/B TestingGitJavaScriptNode.jsReact
Reposted 11 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Cloud • Security • Cybersecurity
Design, develop, and maintain scalable backend systems in Python using AWS serverless technologies and AWS CDK. Collaborate on code reviews, ensure reliability and scalability, and work remotely within a fast-growing security startup.
Top Skills: AWSAws CdkDynamoDBPostgresPythonServerless
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Reposted 21 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Information Technology
As a Product Engineer focused on Backend, you'll enhance backend infrastructure, design APIs, improve reliability, and support innovative features at Granola.
Top Skills: AWSNode.jsPostgresTerraformTypescript
Reposted 21 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Cryptocurrency
The Senior Backend Engineer will design, build, and scale public trading APIs, ensure high performance and security, and collaborate with various internal teams on trading solutions.
Top Skills: FixOpenapiRestRustTypescriptWebsocket
Reposted 21 Days AgoSaved
In-Office or Remote
London, UK
Junior
Junior
Artificial Intelligence • Security
The Software Engineer will develop AI-based capabilities, maintain software stacks, mentor others, and tackle engineering challenges across various technical fields.
Top Skills: ArrowAWSAzureC++DockerElkGoGrafanaGraphQLGrpcJavaPrometheusProtocol BuffersPythonRestRustSQL
Reposted 12 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Gaming • Software • Automation
Design, build, test, and maintain backend services and APIs for the casino platform. Ensure reliability, scalability, and code quality; participate in reviews, shape architecture, collaborate with product and vendors, and ship continuously in a fast-paced environment.
Top Skills: AWSAzureGCPPostgresPython
Reposted 22 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Software
The role involves developing digital solutions, leading teams in Agile and DevOps environments, and mentoring while ensuring high-quality Java-based systems development and testing.
Top Skills: AntAtlassianBootstrapCSSDockerGitGradleHTMLJavaKubernetesMavenMySQLPostgresSpring Boot
Reposted 22 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Senior level
Senior level
Database
The role involves developing secure and scalable backend systems using Rust, optimizing performance, and guiding architectural direction on the Affinidi Elements platform.
Top Skills: AWSDartDistributed SystemsRustTypescript
Reposted 22 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Senior level
Senior level
Database
Looking for a Senior Backend Engineer with strong Rust skills to develop secure and scalable backend systems while collaborating with global teams. Responsibilities include architecture, performance optimization, and mentorship within a dynamic environment.
Top Skills: Asynchronous CryptographyAWSDartRustTypescript
Reposted 23 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Senior level
Senior level
Information Technology
As a Back-End Engineer, you will design and maintain high-performance systems for Generative AI applications, leveraging technologies like Python and Go, and collaborating with cross-functional teams.
Top Skills: Ag2Ai-SdkCrewaiFastapiGoLanggraphPydanticaiPythonTypescript
23 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Energy
The Senior Backend Engineer will develop and improve backend web applications, focusing on microservices, database design, and cloud systems while collaborating with other teams and mentoring junior developers.
Top Skills: AWSAzureConsulDjangoGCPMySQLPackerPostgresPythonTerraform
Reposted 13 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Healthtech • Software
As a Senior Backend Engineer, you'll design and maintain software using Rust, mentor junior staff, and contribute to best practices in a collaborative environment.
Top Skills: AxumGitJavaScriptPostgresPythonRustSqlxTypescript
Reposted 13 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Marketing Tech
The Senior Backend Engineer will enhance back-end development with Python/Django, implement new features, and improve architecture while collaborating with an Agile team.
Top Skills: CloudflareDjangoGitlabKubernetesMemcachedNginxPostgresPythonRedisSolrVarnish
Reposted 13 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Automotive • Information Technology • Insurance
Lead and mentor engineering teams, design and build Python microservices, ensure system resilience and scalability, and improve CI/CD processes.
Top Skills: Cloud-NativeMicroservicesPython
23 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Music
As a Senior Backend Engineer, you'll design scalable Java services, collaborate across teams, and improve data pipelines to enhance Spotify's subscription offerings.
Top Skills: BigQueryBigtableGoogle Cloud PlatformGrpcJava
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