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Top Java Developer Jobs in Belfast

Reposted 4 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
As a Senior Software Engineer, you will oversee the development of complex features, mentor junior engineers, and collaborate across teams to ensure high-quality, secure products.
Top Skills: AWSGoJavaPythonSpringSpring Boot
Reposted 6 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
As a Staff Software Engineer, you will design core platform services and APIs, mentor junior engineers, and shape technical direction for scalable and reliable software solutions.
Top Skills: AWSAzureCi/CdGCPGitGithub ActionsGitlab CiJavaJenkinsPython
Reposted 6 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Financial Services
Design and deliver software solutions within an agile team, focusing on Java applications, system design, and continuous improvement of technology products.
Top Skills: AWSCloud TechnologiesJavaJunitKubernetesMockitoReactSpring BootSpring Test Framework
Reposted 3 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 17 Days AgoSaved
Belfast, Northern Ireland
Mid level
Mid level
Information Technology • Consulting
Join Olive Jar Digital as a Java Developer to design and maintain scalable backend services for digital transformation in the public sector.
Top Skills: EhcacheJava 23JIRAJunitSpring
13 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Senior Software Engineer, you will design, develop, and maintain software systems primarily in Java, mentor engineers, and implement CI/CD pipelines.
Top Skills: AWSAzureDockerGoogle Cloud PlatformGrafanaJavaKubernetesPrometheusRelational DatabasesSpring BootSpring Cloud
Reposted 10 Days AgoSaved
In-Office
Belfast, Northern Ireland
Mid level
Mid level
Fintech • Information Technology • Payments
Lead the design and development of payment integrations, ensuring systems are secure and scalable while providing technical leadership and managing multiple projects.
Top Skills: Core JavaDb2DockerJavaScriptJeeJSONKafkaKubernetesMongoDBOracleRestSoapSQL ServerWeb TechnologiesXML
Reposted 2 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
Hardware • Information Technology • Other • Software • Analytics
The Software Engineer develops platform services for transportation, focusing on architecture, design, and maintaining high-quality code while collaborating with global teams.
Top Skills: Ci/CdGradleJavaMavenSpringSpring Boot
3 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Security • Software • Generative AI
The role focuses on enhancing Elasticsearch's distributed systems, ensuring high performance and resilience while managing complex data indexing and coordination across nodes.
Top Skills: ElasticsearchJavaLuceneNetty
Reposted 4 Days AgoSaved
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
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Reposted 5 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
The Java Full Stack Developer will create full-stack solutions using technologies like Java, React, and SQL while mentoring others, delivering scalable solutions, and implementing automation and AI in development processes.
Top Skills: AWSAzureCouchbaseJavaJIRANext.JsNode.jsNoSQLPlaywrightReactSQL Server
Reposted 15 Days AgoSaved
In-Office
Belfast, Northern Ireland
Mid level
Mid level
Information Technology • Consulting
Develop high-quality software solutions using Java and associated frameworks. Participate in Agile Scrum process, apply TDD, and collaborate with stakeholders.
Top Skills: AnsibleApache KafkaAWSAzureDockerHibernateJavaJenkinsJunitKubernetesOpenshiftPackerSpringSpring BootSQL
Reposted 7 Days AgoSaved
Belfast, Northern Ireland
Mid level
Mid level
Payments • Financial Services
As a Software Backend Engineer at Zepz, you'll design and build scalable systems, enhance APIs, optimize performance, and lead technical initiatives.
Top Skills: ArgocdAWSCircleCIGraphQLGrpcJavaJenkinsKotlinKubernetesNoSQLPostgresSpring BootSpringcloudTerraform
Reposted 12 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
The Full Stack Java Developer will design and implement a proprietary media product, collaborating across teams to develop scalable cloud-native applications with technologies like Java, Node.js, and React.
Top Skills: AWSAzureCouchbaseJavaJIRANext.JsNode.jsNoSQLPlaywrightReactSQL Server
Reposted 12 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
The Full Stack Java Developer will design and develop scalable cloud-native applications for streaming media, collaborating with cross-functional teams.
Top Skills: CouchbaseJavaJIRANext.JsNode.jsNoSQLPlaywrightReactSQL Server
23 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
You will develop software using Java on AWS, contribute to microservices development, and produce quality documentation, collaborating in a Scrum team.
Top Skills: AWSJavaOraclePostgresSpringSpring BootSQL
17 Days AgoSaved
Remote
Belfast, Northern Ireland
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
Reposted 19 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Payments • Financial Services
As a Senior Java Engineer at Zepz, you'll architect and expand payment solutions globally, build APIs, and optimize systems for remittance flows.
Top Skills: ArgocdAWSCircleCIGraphQLGrpcJavaJenkinsKotlinKubernetesNoSQLPostgresPythonSpring BootSpringcloudTerraform
Reposted 23 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
Reposted 25 Days AgoSaved
Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Artificial Intelligence • Information Technology • Software
The Senior Software Engineer will design and build AI coding tools, optimize codebases, and drive engineering best practices while shaping team culture.
Top Skills: JavaJetbrainsKotlinTypescriptVs Code
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