Top Java Developer Jobs in Belfast

6 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Junior
Junior
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
The Software Engineer II will develop new features, maintain existing services, and collaborate with teams to enhance customer security management using Java and Cloud technologies.
Top Skills: AWSGoJavaPython
Reposted 4 Days AgoSaved
In-Office
Belfast, Northern Ireland
Junior
Junior
Consulting
The Java Engineer will design and implement scalable solutions, utilizing Java and AWS, while collaborating with cross-functional teams and ensuring agile best practices.
Top Skills: AWSJavaJava 8Java Oops
8 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 9 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Junior
Junior
Consulting
Join our Digital & Data team as a Java Engineer, utilizing Java and cloud technologies to design and deliver software solutions while collaborating with cross-functional teams.
Top Skills: AWSJavaJava 8Java Oops
Reposted 10 Days AgoSaved
In-Office
Belfast, Northern Ireland
Junior
Junior
Consulting
Develop Java software solutions, applying object-oriented principles, utilizing cloud technologies like AWS, and collaborating with teams. Lead projects and problem-solve with clients.
Top Skills: AWSJavaJava 8Java Oops
Reposted 13 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Junior
Junior
Consulting
The Java Engineer role involves developing complex software solutions primarily using Java, focusing on multi-threading and performance optimization while collaborating across teams.
Top Skills: AWSJavaJava 8Java Oops
18 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
Reposted YesterdaySaved
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
6 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 8 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Financial Services
The role involves developing complex systems for financial trade processing, using Java and Spring, while offering project management and user support responsibilities.
Top Skills: DockerGitGradleJavaJIRALinuxMavenOpenshiftRestful ApisSpring BootSpring FrameworkSQLTeamcityUrbancode Deploy
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Reposted 9 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 9 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 2 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
Reposted 12 Days AgoSaved
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
4 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
9 Days AgoSaved
Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Fintech • Financial Services
The Lead Software Engineer will manage teams to develop digital customer experiences, ensuring quality delivery and mentoring engineers, while promoting Agile practices and collaboration across squads.
Top Skills: BitbucketCucumberDockerFinacleForgerockGitJavaJenkinsKubernetesMicronautReactSeleniumSonarqube
19 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 19 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
Reposted 16 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
25 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
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