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Top Java Developer Jobs in Belfast

YesterdaySaved
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 3 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Junior
Junior
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
As a Software Engineer II, you'll develop new features, maintain services, and collaborate with cross-functional teams to enhance security products.
Top Skills: AWSGoJavaPython
Reposted 11 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 8 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Mid level
Mid level
Healthtech • Information Technology • Software • Analytics • Consulting • Cybersecurity • App development
Develop software solutions for electricity markets, focusing on renewable energy integration. Responsible for design, development, and maintenance of Java applications.
Top Skills: HibernateJavaPostgresSpringSQL
3 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
Reposted 4 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Security • Cybersecurity
Seeking a Staff Software Engineer to design and maintain scalable systems, lead API development, and contribute to platform infrastructure for petabyte-scale workloads.
Top Skills: Apache KafkaAWSAzureCassandraJavaKubernetesPuppetTerraform
Reposted 8 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 3 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 3 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting • Automation
As a Senior Backend Engineer, you will lead backend projects, collaborate with product teams, and mentor junior developers while ensuring high-quality code and documentation.
Top Skills: AWSGitlab Ci/CdGoHibernateJavaPostgresSpring BootSQLTypescript
4 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Financial Services
Design, develop, test, and maintain Java applications for fraud detection, manage release activities, and participate in after-hours support.
Top Skills: Chef PipelinesDatapowerDynatraceJavaJenkinsKafkaLinuxMavenMq ConfigMq JavaSoapSplunkSpring BootSQLTcpTerraformTomcatVenafiXML
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Reposted 5 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
Reposted 7 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
Reposted 8 Days AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Software • Automation
Seeking a Full Stack Software Engineer skilled in Java to design, develop, and maintain full-stack applications for automation platforms, collaborating with teams to deliver high-quality solutions.
Top Skills: AWSAzureBambooBitbucketCSSCypressDockerGCPGitGitlab CiGradleHibernateHTMLJavaJavaScriptJenkinsJestJIRAJpaJunitKubernetesMySQLPlaywrightPostgresReactSQLTypescript
10 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
Reposted 20 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
11 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 13 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
18 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
18 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
21 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Security • Software • Generative AI
The Senior Software Engineer will enhance Elasticsearch's distributed systems, improve cluster performance, and tackle complex indexing and concurrency challenges.
Top Skills: ConcurrencyConsensus AlgorithmsData StructuresDistributed SystemsEvent-Driven Network FrameworksJavaNetty
Reposted 25 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
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