Top Java Developer Jobs in London

An Hour AgoSaved
Hybrid
London, UK
Mid level
Mid level
Agency • Digital Media • Professional Services • Design
The Fullstack Java Developer will design and build dynamic applications, focusing on front end and backend development using Java, Spring Boot, and cloud-native technologies, while ensuring best practices in code quality.
Top Skills: AWSCamundaDockerGitlab CiJavaJenkinsKafkaKubernetesOpenshiftReactSpring Boot
7 Hours AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Consulting
The Lead Java Developer will guide software quality and technical vision, collaborate on large projects, mentor junior engineers, and ensure project goals align with client business needs.
Top Skills: JavaJavaScriptReact
7 Hours AgoSaved
In-Office
London, UK
Junior
Junior
Information Technology • Consulting
As a Java Developer, you will develop digital products in Agile environments, focusing on eCommerce and enterprise-level software using Java and associated technologies.
Top Skills: AWSJavaMySQLSpring Boot
Reposted 5 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
As a Principal Backend Engineer, you will build scalable backend services with Java, design APIs, implement microservices, and work with AWS cloud technologies.
Top Skills: AWSCi/CdCloudFormationJavaKafkaSpring Boot
6 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
The Senior Software Engineer II will develop and enhance investment products, focusing on user experience and cross-team collaboration, while implementing clean code practices.
Top Skills: JavaKafkaNon-Relational DatabasesRelational DatabasesSpring Boot
YesterdaySaved
In-Office
London, UK
Senior level
Senior level
Fintech • Analytics
The Senior C++ / Java Developer designs, develops, and maintains software solutions, collaborating with teams to enhance platform stability and scalability, while mentoring junior engineers and ensuring high coding standards.
Top Skills: APIsC++Ci/CdDistributed SystemsJavaLinux
YesterdaySaved
In-Office
London, UK
Senior level
Senior level
Fintech • Analytics
The Lead C++ / Java Developer is responsible for designing and maintaining low-latency FX market infrastructure, ensuring high availability and resiliency. This role emphasizes technical leadership and collaboration across teams to deliver robust solutions and improve system performance.
Top Skills: C++Ci/CdCloud PlatformsContainerizationJavaLinuxMessaging PlatformsOpen-Source Technologies
Reposted YesterdaySaved
Hybrid
London, UK
Mid level
Mid level
Information Technology • Consulting
Design and develop high-performance Java applications for real-time trading and risk systems, optimizing performance and providing production support.
Top Skills: JavaKafkaLinuxSolaceUnix
7 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
You will shape a new investment product by defining its technical foundations, implementing features, and collaborating across teams to enhance user experience with financial management.
Top Skills: JavaKafkaNon-Relational DatabasesRelational DatabasesSpring Boot
2 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Fintech • Financial Services
The Java Developer designs, develops, and maintains application systems at Citi, focusing on Java and related technologies while collaborating with tech teams to deliver high-quality software solutions.
Top Skills: Ai ToolsAmazon CodewhispererCi/CdDevinDockerGithub CopilotGitlab CiHibernateJavaJenkinsJpaKafkaKubernetesMicroservicesOpenshiftOraclePostgresRabbitMQRestful ApisSpring BootSpring FrameworkSpring Mvc
Reposted 9 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
The Senior Software Engineer will design and implement tools for liquidity management, lead technical initiatives, and mentor junior engineers, directly impacting product and customer solutions.
Top Skills: AWSAzureFlinkGCPHadoopJavaKafkaSparkSpring Boot
Reposted 9 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
The Senior Software Engineer will manage impactful projects, design backend systems, ensure compliance, and enhance customer experiences through technical solutions.
Top Skills: Java 8+KafkaNon-Relational DatabasesRabbitMQRelational DatabasesSpring
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Reposted 4 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Fintech • Financial Services
Develop tooling for Citi's developer community using Java and SpringBoot. Engage in all SDLC phases and serve as a trusted consultant, enhancing developer experience and fostering continuous learning.
Top Skills: BitbucketCi/CdConfluenceDockerGitGitGradleJavaJIRALinuxOpenshiftOraclePodmanSpring Boot
Reposted 10 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Information Technology • Financial Services
Responsible for software development and testing within the Investment and Trading engineering team, focusing on delivering innovative investment solutions and enhancing software quality and performance.
Top Skills: AngularAPIsAzure CloudCassandraDockerGrpcJavaKafkaKubernetesMssqlNode.jsProto-BuffsSpring
Reposted 10 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
The role involves designing and building cloud-native applications using Java and Spring Boot, focusing on scalable microservices for financial institutions while leading agile practices.
Top Skills: AWSCi/CdCloudFormationJavaKafkaNoSQLSpring BootSQL
Reposted 5 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
The FX Risk Lead Java Developer designs and maintains Java microservices for high-throughput applications, optimizes data processing solutions, and ensures system reliability in a cloud-based environment.
Top Skills: Apache IgniteApache KafkaAWSAzureJavaLinuxMongoDBOracleSolace
Reposted 5 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
As the FX Risk Lead Java Developer, you will design and develop Java microservices, optimize data solutions, implement real-time data processing, and ensure application scalability and reliability. You will collaborate with DevOps, conduct code reviews, and document system architecture.
Top Skills: Apache IgniteApache KafkaAWSAzureJavaLinuxMongoDBOracleSolace
6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Financial Services
Lead the Real-time Market Data team at Man Group, architecting a large-scale data infrastructure and driving complex distributed systems projects. Require strong expertise in software engineering, market data feeds, and collaboration in high-performance environments.
Top Skills: ArcticdbJavaKafkaMongoDBPython
Reposted 11 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
As a Senior Software Engineer II, you will drive the technical vision for backend solutions, enhance recipient management, and ensure system reliability.
Top Skills: Java 8+Non-Relational DatabasesRelational DatabasesRestful ApisSpring Boot
7 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Digital Media
As a Java Developer, you'll develop features, collaborate with teams, and contribute to CI/CD pipelines, while leveraging AI tools for high-quality software.
Top Skills: AWSGrafanaJava 17Java 21JenkinsKubernetesPrometheusSpring BootTerraform
Senior level
Fintech • Mobile • Payments • Software • Financial Services
As a Backend Engineer, you'll enhance accounting integrations, improve workflows, expand global offerings, and build a scalable platform architecture.
Top Skills: Database FundamentalsDistributed SystemsGoJavaKafkaPythonRestful Apis
Reposted 8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
The Java Developer will engineer Trading applications, resolve complex business problems, provide application expertise, and mentor mid-level developers while working in an agile environment.
Top Skills: GitJavaKafkaSQL
Reposted 9 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Financial Services
The role involves developing and maintaining trading and cash management systems using Java 21, focusing on microservices and cloud technologies, with collaboration across business functions.
Top Skills: AWSCi/CdContainersEvent Driven ArchitecturesGithub CopilotJava 21MicroservicesRest Apis
Reposted 10 Days AgoSaved
In-Office
London, UK
Expert/Leader
Expert/Leader
Information Technology • Business Intelligence • Consulting
The Principal Java Engineer will design and optimize low-latency payment systems, develop APIs, deploy applications on AWS, and mentor peers.
Top Skills: AWSEcsEksJavaKafkaLambdaMongoDBRabbitMQRed Hat OpenshiftS3Spring Boot
Reposted 11 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Consulting
Design, develop, and maintain cloud-based applications; provide technical leadership; manage junior team members; engage in agile project management.
Top Skills: AngularCloudHibernateJavaJavaScriptKotlinNode.jsReactSpring BootTypescript
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