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Top Backend Developer Jobs in London

Reposted 16 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Information Technology • Security • Software
As a Backend Software Engineer, you will develop and improve backend systems, collaborate with teams, ensure product reliability, and champion security.
Top Skills: Api GatewayAuroraAWSCloudfrontDockerDynamoDBGitlabKotlinKubernetesPythonRedisRubyS3SnsSqs
Reposted 16 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Software • Financial Services
Design, develop, and maintain backend systems, build REST APIs, and improve existing systems in a collaborative environment.
Top Skills: Java 21PostgresSpring Boot
Reposted 16 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Beauty • Software
The Staff Backend Engineer is responsible for technical vision, strategy, and execution, focusing on architecture, project delivery, and team collaboration to improve system performance and reliability.
Top Skills: Backend Development
Reposted 16 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Beauty • Software
As a Senior Backend Developer, you will design and develop applications using languages such as Ruby and Elixir, while supporting the transition to a microservice architecture and ensuring high performance of the applications.
Top Skills: ElixirGraphQLGrpcKafkaKubernetesRubyTypescript
17 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Healthtech
Build and maintain Golang services for a financial AI-driven platform while ensuring performance, reliability, and observability in production systems.
Top Skills: AIAPIsData PipelinesGo
17 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Aerospace • Big Data • Fintech • Software • Analytics
The Senior Software Engineer will develop and integrate FactSet's financial broker estimates dataset using various technologies, collaborating with global engineering teams and maintaining high code quality standards.
Top Skills: .NetAWSC#C++GitPythonSQL ServerTerraform
Reposted 7 Days AgoSaved
Remote
London, UK
Senior level
Senior level
HR Tech
Join Remote as a Senior Backend Engineer, leading the development of major projects, building tools and APIs, mentoring engineers, and contributing to a supportive team focused on delivering meaningful solutions.
Top Skills: AWSDockerElixirGitlabKubernetesNext.JsPhoenixPostgresReact
Reposted 17 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Mid level
Mid level
Information Technology
The role involves developing internal tools to enhance productivity, focusing on debugging, data visualization, and CI pipelines using various technologies.
Top Skills: C++DockerKubernetesPythonRust
18 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Software
As a Senior Backend Software Engineer, you will develop and maintain the SaaS platform, focusing on user-centric design and implementation using a variety of technologies. Your role involves collaborating with teams to meet customer needs and enhance the product.
Top Skills: .Net CoreC#Circle CiDockerGoogle Cloud PlatformKubernetesLinuxPostgresRabbitMQReactTerraformTypescript
Reposted 8 Days AgoSaved
Remote
London, UK
Expert/Leader
Expert/Leader
Artificial Intelligence • Security • Cybersecurity
The Backend Engineer will develop AI Agents, design scalable systems, integrate ML services, optimize performance, and mentor junior engineers.
Top Skills: AWSDockerKubernetesLangchainLlamaindexPython
Reposted 8 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Blockchain • Consulting
Lead the development of a cross-chain solver, optimizing transaction execution and implementing algorithms for liquidity management and routing across blockchains.
Top Skills: NestjsRedisRustTypescript
Reposted 8 Days AgoSaved
Easy Apply
Remote
London, UK
Easy Apply
Senior level
Senior level
Cloud • Software
The Senior Software Engineer will lead the development of a Python-based platform, enhancing a mature system for open-source collaboration, mentoring teams, and driving innovation.
Top Skills: DebianPostgresPythonUbuntu
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Reposted 18 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Software
As a Senior Backend Engineer, you'll write impactful production code, design new features, collaborate across teams, and help SMBs grow.
Top Skills: AWSDropwizardJavaKafkaKubernetesMySQL
Reposted 18 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Artificial Intelligence • Healthtech
Design and build backend systems for Quadrivia's clinical AI platform, ensuring reliability, high availability, and compliance with healthcare regulations while collaborating with cross-functional teams.
Top Skills: DockerFastapiGCPKubernetesPythonTerraform
9 Days AgoSaved
Remote
London, UK
Junior
Junior
Artificial Intelligence • Insurance • Software • Business Intelligence
As a backend engineer, you will develop features for an AI platform transforming the insurance industry, working with a small team to implement and support solutions.
Top Skills: Aws Api GatewayAws LambdaAws RdsAws S3Aws SesAws SnsAws SqsDockerGitPythonRelational DatabasesRest Apis
Reposted 9 Days AgoSaved
Remote
London, UK
Mid level
Mid level
Pet • Travel
The Senior Backend Engineer will enhance platform capabilities using Python/Django, improving architecture, mentoring, and collaborating on features that drive member value.
Top Skills: Python,Django,Sql,Github Actions,Sentry,Datadog
Reposted 9 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Blockchain • Consulting
Lead the design, development, and maintenance of backend systems and APIs, ensuring scalability and security. Collaborate with cross-functional teams, maintain coding standards, and optimize performance while mentoring junior developers.
Top Skills: AWSCloudflareDockerEthers.JsGitKubernetesMongoDBNode.jsRedisTypescript
Reposted 9 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Healthtech
The Senior Software Engineer will design and build backend services for health data, improve reliability, and deliver robust solutions to enhance patient care.
Top Skills: FastapiGoGoogle Cloud PlatformNext.JsPostgresPythonTemporal CloudTypescript
Reposted 9 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software
Design, build, and support features for a monetization platform while ensuring reliability and performance as a senior backend engineer.
Top Skills: PostgresPythonReactSQL
Reposted 9 Days AgoSaved
Easy Apply
Remote
London, UK
Easy Apply
Senior level
Senior level
Database • Analytics
The Senior Backend Engineer at ClickHouse will enhance the data onboarding platform, manage infrastructure across cloud providers, improve deployment pipelines, and contribute to architectural decisions for scalability and reliability.
Top Skills: AWSAzureGCPGoKubernetesTerraform
Reposted 9 Days AgoSaved
Easy Apply
Remote
London, UK
Easy Apply
Expert/Leader
Expert/Leader
Information Technology • Software • Travel • Hospitality
As a Staff Backend Engineer, you will develop and maintain high-quality software for hotel management systems, focusing on payment solutions and providing mentorship to junior engineers.
Top Skills: ArgocdAWSJavaKafkaKubernetesMySQLPHPPostgresSpringTerraform
Reposted 19 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Fintech • Software • Financial Services
The Back-end Engineer will design and build scalable services for repeat customer lending solutions, own projects end-to-end, and optimize the digital experience based on customer data and feedback.
Top Skills: DjangoPostgresPython
Reposted 19 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence
Design and maintain microservices in a hybrid cloud environment, improve software reliability, and contribute to a collaborative developer community. Manage application lifecycle and support customer acquisition efforts through automation.
Top Skills: .Net CoreC#GrafanaKafkaKubernetesPostgres
Reposted 19 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence
As a Backend Software Engineer at DeepL, you'll design, implement, and maintain microservices, ensuring reliability and automating processes while collaborating with the engineering team to improve customer acquisition flows.
Top Skills: .Net CoreC#GrafanaKafkaKubernetesPostgres
Reposted 19 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Gaming • Software • Metaverse
The role involves providing backend technical support for gaming projects, developing online services, and collaborating with global game studios to optimize backend performance and stability.
Top Skills: AnsibleAWSAzureC++EtcdGCPGoJenkinsKafkaKubernetesMicroservicesMongoDBMySQLPostgresRabbitMQRedisZookeeper
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