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Top Java Developer Jobs in London

Reposted 16 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Software
Develop and optimize backend systems for a trading platform, ensuring scalability, security, and high performance while collaborating with cross-functional teams.
Top Skills: AWSAzureGCPGitJavaKafkaKubernetesPostgresSpring
Reposted 16 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Fintech • Financial Services
The Java Software Engineer will develop robust and scalable code for customer services using Java, AWS, and Postgres, while advocating for clean coding and best practices.
Top Skills: AWSGCPGrafanaJavaKubernetesPostgresTeamcityTerraform
Reposted 16 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Mid level
Mid level
Financial Services
The role focuses on developing trading applications, enhancing GUIs, and collaborating with trading and quant teams for pricing and execution of algorithms.
Top Skills: GitJavaNoSQLNumpyPandasPythonSQL
Reposted 18 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Information Technology • Consulting
As a Front-End Developer, you will design and develop web interfaces, collaborate with teams, mentor juniors, and ensure adherence to coding standards and best practices.
Top Skills: AngularApollo ClientDockerGraphQLJavaJestNext.JsPythonReactReact NativeTypescriptVue
20 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Senior level
Senior level
Financial Services
As a Senior Java Developer, you'll architect a multi-petabyte scale estate and tackle complex distributed systems processing billions of datapoints daily.
Top Skills: ArcticdbGitJavaKafkaLinuxMongoDBPython
Reposted 10 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Information Technology • Software
The Senior Java Backend Engineer will lead backend development for a migration project in a complex AWS environment, focusing on automating the actuarial lifecycle in Reinsurance and ensuring alignment with architectural standards.
Top Skills: AWSHelmJavaSpringTerraform
Reposted 20 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Payments • Financial Services
As a Senior Reliability Engineer, you will enhance system reliability, optimize performance, and implement monitoring for IG's trading platform, collaborating with development teams to improve operational excellence.
Top Skills: ActivemqJavaKafkaNomadOpentelemetry
Reposted 12 Days AgoSaved
Easy Apply
London, UK
Easy Apply
Junior
Junior
Information Technology • Consulting
As a Junior Software Developer, you'll train in Java and Scala, build real applications, and collaborate globally to solve business challenges.
Top Skills: JavaScala
Reposted 12 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Agency • Information Technology • Marketing Tech
Develop and maintain scalable microservices and RESTful APIs using Java and Spring Boot on AWS infrastructure. Collaborate with the team to deliver high-quality services.
Top Skills: AWSCi/CdDockerJavaPostgresSpring Boot
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Reposted 22 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Blockchain • Software • Cryptocurrency
The Senior Java Engineer will design complex systems, optimize performance, maintain code quality, and ensure application reliability. Responsibilities include translating requirements into applications and troubleshooting issues.
Top Skills: JavaKafkaMongoDBMySQLPrometheusRedisSpring Boot
24 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Senior level
Senior level
Software
The Senior Java Engineer will develop and maintain a SaaS platform, ensuring high-quality software delivery, collaborating in Agile teams and innovating with new technologies.
Top Skills: ActivemqAgileBitbucketDockerGitlabJavaJenkinsJpaKubernetesMavenMicroservicesMulti-Tier ArchitecturePostgresRestful ServicesS3Services Oriented ArchitectureSpringSpring BootSQLWeb Based Development
Reposted 24 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
As a Senior Engineer, you'll lead projects, contribute to the platform, build new features, and promote a learning culture focused on engineering excellence.
Top Skills: AWSGCPGrafanaJavaKubernetesTeamcityTerraform
Reposted 24 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Cloud • Information Technology
Develop complex distributed systems using Java, Kafka, and Kubernetes. Mentor team members and contribute to all phases of the product lifecycle.
Top Skills: FlinkJavaKafkaKafka StreamsKubernetesSpark
Reposted 18 Days AgoSaved
London, UK
Senior level
Senior level
Information Technology • Consulting
The Senior Full Stack Engineer will develop innovative applications, manage the entire development cycle, and use XP with remote pairing.
Top Skills: BddCloud FoundryFunctional ProgrammingJasmineJavaJava StreamsJenkinsJunitKotlinKubernetesMockitoProtractorReactSeleniumSpringSpring BootTdd
Reposted 18 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Information Technology • Consulting • Automation
As a Senior Product Engineer at Secfix, you will design, build, and maintain backend systems, collaborating with product teams and mentoring junior engineers, while leveraging AI tools for development.
Top Skills: Ai ToolsAWSGitlab Ci/CdGoHibernateJavaPostgresSpring BootSQLTypescript
20 Days AgoSaved
Easy Apply
Remote
London, UK
Easy Apply
Senior level
Senior level
Cloud • Security • Software
The Staff Software Engineer will own architecture for Java ecosystem infrastructure and build systems, ensuring secure, reproducible build workflows while mentoring peers and enhancing developer tools.
Top Skills: ArgoAWSAzureCi/CdDockerGCPGithub ActionsGoGradleJavaKubernetesMavenTektonTerraform
Reposted 20 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Cloud • Security • Software • Generative AI
The role involves improving Elasticsearch's concurrent indexing, maintaining cluster coordination, addressing performance issues, and supporting engineers. Requires strong Java and distributed systems knowledge.
Top Skills: ElasticsearchJavaNetty
24 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Software
As a Full Stack Engineer, you'll develop software solutions using Java, Node.js, and React, ensuring maintainability and security, while mentoring other engineers.
Top Skills: AWSAws EcsAws EksCodepipelineDockerExpressGithub ActionsJavaJenkinsNode.jsOraclePostgresReactTerraformTypescript
25 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Information Technology
The Senior Software Engineer will develop high-quality solutions for a SaaS security product, mentor junior members, and contribute to technical decisions while using Java and React.
Top Skills: Aws LambdaJava 21ReactRedisSpring Boot
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