Top Java Developer Jobs in Belfast

Reposted 7 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Financial Services
As a Senior Software Engineer, you will develop and maintain the equity derivatives reference data platform, ensuring data quality and governance while mentoring junior developers.
Top Skills: Ai-Powered Development ToolsGitJavaNoSQLRestful Web ServicesSonarSQL
12 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Entry level
Entry level
Information Technology
The Java Developer will create high-quality software solutions, work with teams in an agile environment, and contribute to AI projects.
Top Skills: AngularAWSAzureDropwizardHibernateJavaNoSQLSpringSQLTypescript
23 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Financial Services
Seeking a Software Engineer (Java) for developing complex, high-volume trade processing systems in the Fixed Income domain, ensuring quality and efficiency.
Top Skills: Amazon CodewhispererDockerGithub CopilotGitlab CiHibernateJava 11+JenkinsJpaKafkaKubernetesOpenshiftOraclePostgresRabbitMQRestful ApisSpring BootSpring FrameworkSpring Mvc
Reposted YesterdaySaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology
As a Senior Software Engineer, you'll develop high-quality software solutions, mentor junior members, apply best practices in design and build, and contribute to technical decisions in a collaborative environment.
Top Skills: ActivitiAWSAzureBpmn 2.0CamundaContinuous DeliveryContinuous IntegrationFlowableJavaJbpm
Reposted 8 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Financial Services
The Senior Java Developer will develop and maintain applications for finance technology, ensure high-quality software production, support development processes, and collaborate with global teams to meet business needs.
Top Skills: Ai ToolsGemfireGradleHibernateIgniteJavaJdbcJenkinsJpaJunitKafkaKubernetesLinuxMavenMicroservicesMssqlOpenshiftOracleRestful Web ServicesSpring BootUdeployUnix
Reposted 8 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Financial Services
Citi seeks a Senior Software Engineer (Java) to design and develop complex, high-performance systems for fixed income trade processing, utilizing Java and Spring technologies.
Top Skills: DockerGradleJavaLinuxMavenOpenshiftRestful ApisSpring BootSpring FrameworkSQL
12 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology
As a Senior Java Developer at Kainos, you will develop high-quality software solutions, mentor junior team members, and contribute to technical decisions in a collaborative environment.
Top Skills: AngularAWSAzureContinuous DeliveryContinuous IntegrationDropwizardHibernateJavaNoSQLSQLTypescript
Reposted 13 Days AgoSaved
In-Office
Belfast, Northern Ireland
Mid level
Mid level
Fintech • Financial Services
The role involves developing software solutions for credit risk management, applying cloud principles, and enhancing business processes while ensuring compliance standards.
Top Skills: AngularApache FlinkAWSAzureGithub CopilotGCPJavaNoSQLPythonSpringSQLUnixWindows
Reposted 5 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Security • Software • Generative AI
The role involves optimizing Elasticsearch for high performance in distributed systems, managing clustering coordination, and resolving complex issues.
Top Skills: ElasticsearchJavaNetty
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Reposted 16 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
As a Senior Java Developer, you'll lead software development using Java and AWS, collaborating in an Agile team, adhering to best practices, and creating maintainable solutions.
Top Skills: AWSJavaOraclePostgresSpringSpring BootSQL
Reposted 9 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
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
21 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
HR Tech • Other • Professional Services
Train large language models to improve code quality by ranking, repairing, and refactoring code snippets while providing detailed explanations for feedback.
Top Skills: Java
Reposted 14 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Business Intelligence • Consulting
The Principal Full-Stack Engineer will lead backend development with Java, guide React frontend architecture, mentor engineers, and integrate LLMs into applications.
Top Skills: AWSAzureClaudeGCPGraphdbJavaLlmsReactScalaSpring Boot
Reposted 24 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
HR Tech • Other • Professional Services
The role involves training large language models to write production-grade code using Java, performing code reviews, refactoring, and providing detailed explanations for coding decisions.
Top Skills: Java
Reposted 24 Days AgoSaved
In-Office
Belfast, Northern Ireland
Mid level
Mid level
Fintech • Financial Services
The role involves writing high-quality back-end code in Java or Kotlin, contributing to architectural decisions, and automating SDLC processes. You will lead a small team, apply AI in projects, and ensure clear communication across distributed teams.
Top Skills: Apache KafkaCi/Cd ToolsCognition.AiCouchbaseDockerGithub CopilotJavaKotlinKubernetesMongoDBOpenshiftPostgresRestful ApisSpring Boot
Reposted 17 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
Develop and implement a proprietary streaming media product using Java and modern web technologies, collaborating with cross-functional teams and ensuring scalable solutions.
Top Skills: AWSAzureCouchbaseJavaNext.JsNode.jsPlaywrightReactSQL Server
19 Days AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Travel
Design and develop scalable applications and services, translating business requirements into technical solutions while ensuring code quality and performance. Collaborate within an Agile team, participate in code reviews, and mentor junior developers.
Top Skills: AWSCi/CdDockerGitHibernateJava 17+KubernetesMySQLNoSQLSpringSpring Boot
19 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Database • Analytics
As a Senior Software Engineer, you'll maintain critical data framework integrations, ensuring performance and reliability while collaborating with the community, affecting real-time analytics and observability systems.
Top Skills: Apache BeamApache FlinkSparkJavaJdbcKafka
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