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Top Java Developer Jobs in London

22 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Fintech • Information Technology • Financial Services
The Full Stack Java Developer will design, build, and maintain applications for Securities Lending, focusing on backend APIs and data features, while collaborating with cross-functional teams and mentoring junior engineers.
Top Skills: AngularApache CassandraIgniteJavaJavaScriptJunitKafkaMicroservicesMssqlRedisSpringSybaseTypescript
Reposted 23 Hours AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
The Senior Software Engineer will build and optimize onboarding systems for Wise's customers, focusing on scalable user-first experiences and collaboration with product, design, and analytics teams.
Top Skills: GoJavaPythonRestful Apis
2 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Artificial Intelligence • Cloud • Information Technology • Legal Tech • Productivity • Software
As a Software Engineer, you will design, develop, and maintain AI-powered features. Collaborate with cross-functional teams and ensure high-quality solutions.
Top Skills: Ci/CdDockerGithub ActionsHelmJavaKubernetesScala
Reposted YesterdaySaved
In-Office
London, UK
Mid level
Mid level
Information Technology • Consulting
Seeking a skilled Java Developer with SC Clearance to design and maintain back-end systems, utilizing AWS and deploying applications using Kubernetes. Collaborate on CI/CD pipelines and develop basic front-end applications with React.
Top Skills: AWSCi/CdConcourseEc2EcrHelmJavaKubernetesRdsReactSpring Boot
Reposted 7 Days AgoSaved
Easy Apply
Hybrid
London, UK
Easy Apply
Mid level
Mid level
Fintech • Software • Financial Services
Build and maintain an enterprise back-office system emphasizing Java back-end development and ReactJS front-end, focusing on microservices and event-driven architectures.
Top Skills: Apache KafkaApache SolrApache ZookeeperAws DocumentdbCi/CdDockerHashicorp VaultJavaKubernetesMongoDBReact
Reposted 7 Days AgoSaved
Easy Apply
Hybrid
London, UK
Easy Apply
Senior level
Senior level
Fintech • Software • Financial Services
Lead the design, development, and delivery of back-office applications for Cleared Derivatives, focusing on Java back-end and ReactJS front-end, with responsibilities including microservices architecture and deployment on Kubernetes.
Top Skills: Apache KafkaApache SolrApache ZookeeperAws DocumentdbDockerHashicorp VaultJavaKubernetesMongoDBReact
Reposted 2 Days AgoSaved
In-Office
London, UK
Junior
Junior
Insurance
The Java Developer will create new features for policy administration and claims handling, while also integrating new systems and documenting work according to standards.
Top Skills: CSSGitHTMLJavaJavaScriptJSONRestSoapSpringSQLXML
Reposted 3 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Analytics
Lead the development and optimization of data ingestion pipelines, ensuring seamless data integration and performance optimization while mentoring teams and participating in hands-on development.
Top Skills: AzureETLJavaLinuxPentahoSQL
Reposted 10 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
Reposted 5 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Consulting
Lead the development of scalable cloud-native solutions using AWS and Java. Provide technical leadership, mentoring, and manage high-complexity projects in agile environments.
Top Skills: AWSDockerGitlab CiJavaSpring BootTerraform
11 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
As a Senior Software Engineer, you will design and build a comprehensive automated testing platform, enhancing delivery speed and quality for our engineering teams.
Top Skills: AWSCi/CdDockerElkGCPGrafanaJavaKubernetesPrometheusSpinnakerSpring Boot
Reposted 6 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Senior level
Senior level
Blockchain • Fintech • Financial Services • Cryptocurrency
As a Java Developer, you'll build the crypto Lending systems for our Prime services platform, collaborating with various business facets.
Top Skills: AWSDockerJavaKafkaKubernetesSpring
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Reposted 7 Days AgoSaved
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
Reposted 15 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 10 Days AgoSaved
In-Office
London, UK
Expert/Leader
Expert/Leader
Artificial Intelligence • Sports
As a Principal Java Engineer, you'll design and develop scalable backend services for live football events, working in an agile team and mentoring others.
Top Skills: AWSDatadogDockerGithub ActionsJava 17+KafkaKubernetesRabbitMQSpring BootTerraform
Reposted 10 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Sports
The Java Engineer will develop and optimize data-intensive backend services, manage data feeds, and work on real-time insights for sports events.
Top Skills: AWSDatadogFlinkGithub ActionsJavaKafkaOpentelemetryPrometheusRabbitMQSparkSqsTerraform
Reposted 17 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Artificial Intelligence • Cloud • Information Technology • Legal Tech • Productivity • Software
As an AI Software Engineer, you'll design, develop, and deploy scalable AI systems, collaborating across teams to enhance product features using cutting-edge technologies in cloud-native environments.
Top Skills: AICi/CdDockerGithub ActionsHelmJavaKubernetesMlScala
18 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
The Senior Software Engineer will build a fraud engine for the Receive Risk team, focusing on high-performance, low-latency systems and collaborating with various teams to deliver features while managing risk.
Top Skills: JavaKafkaMessaging SystemsMicroservicesRabbitMQSQL
18 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Cloud • Information Technology • Legal Tech • Productivity • Software
The Principal AI Software Engineer will design retrieval systems, optimize production, and work directly with customers to implement AI solutions for legal documents.
Top Skills: AzureDevOpsJavaKubernetesLlmsScala
17 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 17 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
Reposted 18 Days AgoSaved
In-Office
London, UK
Expert/Leader
Expert/Leader
Fintech • Analytics
The Principal Java Developer is responsible for designing and developing backend trading systems, mentoring team members, and ensuring the delivery of critical projects in the financial domain.
Top Skills: Apache KafkaAPIsCloud Platforms (Microsoft Azure)DockerGitGradleJavaKubernetesLinuxMavenPostgresRedisSpringSpring BootUnix
25 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
Design, develop, and maintain scalable services and public APIs, collaborating across teams to solve complex problems and mentor junior engineers.
Top Skills: JavaKafkaSpring BootSQL
13 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Cloud • Security • Software • Generative AI
As a Principal Java Engineer II in the ML Core team, you will build and maintain machine learning components for Elasticsearch, collaborate with engineering teams, and ensure scalable and high-quality code. You'll lead projects from design to implementation while supporting the team and community.
Top Skills: C++GoJavaPython
Reposted 23 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Information Technology • Software • Consulting
As a Full Stack Engineer, you will handle the full development lifecycle, engage with stakeholders, and promote best practices in engineering.
Top Skills: AngularAWSAzureCSSDockerGCPGitHibernateHTMLJasmineJava 7/8JavaScriptJax-RsJax-WsJenkinsJpaKarmaReactRestSpringSQLTerraform
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