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Top Java Developer Jobs in Belfast

11 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Financial Services
Design and enhance a trading platform as a lead software engineer, focusing on automated strategies and scalable systems while collaborating with traders and quants.
Top Skills: JavaMessaging ApisMiddleware ProductsPythonReal-Time Processing
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 develop high-quality software solutions, mentor junior engineers, and collaborate across teams to enhance security products.
Top Skills: AWSGoJavaPythonSpringSpring Boot
8 Days AgoSaved
In-Office
Belfast, Northern Ireland
Junior
Junior
Consulting
The Java Engineer will design and implement scalable solutions using Java, collaborate with cross-functional teams, and apply agile best practices.
Top Skills: AWSJavaJava 8Java Oops
15 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Mid level
Mid level
Artificial Intelligence • Cloud • Information Technology • Legal Tech • Productivity • Software
The Software Engineer will support the IRM product, participate in agile processes, design software solutions, and collaborate with a team to fulfill customer needs.
Top Skills: .NetC#GitGrafanaJavaSpring FrameworkSQLWpf
Reposted 15 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
AdTech • Big Data • Digital Media • Software
The senior backend engineer designs and builds data ingestion pipelines, APIs, and low-latency microservices, collaborating cross-functionally.
Top Skills: AlbDockerDocumentdbEcsFargateGoHaproxyJavaKafkaMariadbMemcachePostgresRdsRedisScylladbTerraform
12 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Cloud • Sales • Security • Software • Cybersecurity • Data Privacy
As a Mainframe Systems Programmer, you'll design and implement mainframe software, collaborate globally, and ensure code quality through testing and debugging.
Top Skills: AssemblerCIbm Z/OsJavaJclRexx
Reposted 6 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
Cloud • Information Technology
As a Lead Java Engineer, you'll manage multiple Scrum teams, drive technical delivery, coach team members, and contribute to code implementation and reviews, while ensuring engineering standards and aligning with company goals.
Top Skills: ActivemqAmazon S3AWSCassandraDockerJavaJenkinsKubernetesMicroservicesMongoDBPostgresReactRedisSpring
22 Days AgoSaved
In-Office
Belfast, Northern Ireland
Junior
Junior
Consulting
Develop and implement Java-based software solutions, apply object-oriented principles, and collaborate with teams using AWS cloud technologies.
Top Skills: AWSJavaJava 8Java Oops
Reposted 21 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
Cloud • Software • Transportation • Automation
Lead one or more Scrum teams, overseeing technical delivery and operations. Focus on mentoring, coaching, and process management while contributing to coding efforts.
Top Skills: ActivemqAmazon S3AWSCassandraDockerJavaJenkinsKubernetesMicroservicesMongoDBPostgresReactRedisSpring
Reposted 21 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Junior
Junior
Big Data • Software
Develop open-source benchmarking tools, enhance Java-based framework, and produce credible results that showcase Aerospike's performance. Collaborate with cross-functional teams.
Top Skills: AWSGCPJavaLinux
YesterdaySaved
Remote
Belfast, Northern Ireland
Junior
Junior
Software
Join 3Pillar as a Junior Software Engineer, focusing on Java and Spring Boot to develop scalable software solutions and collaborate with teams.
Top Skills: AngularAWSCypressJavaPerlPythonReactRubyShellSpring BootTerraform
Reposted YesterdaySaved
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 3 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 3 Days AgoSaved
Easy Apply
Belfast, Northern Ireland
Easy Apply
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 6 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Information Technology
Join XTM International as a Senior Full-Stack Software Engineer. Build scalable features using Java and React, design APIs, collaborate in teams, and mentor junior developers.
Top Skills: AWSCi/CdDevOpsHibernateJavaKubernetesPostgresReactRest ApisSpring BootSpring MvcSQLTypescript
Reposted 6 Days AgoSaved
Easy Apply
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Artificial Intelligence • Software
As a Senior Java Developer at Behavox, you'll design and implement cloud-native backend systems, collaborate with team members, and ensure high product quality through rigorous testing, while leveraging modern technologies.
Top Skills: BigQueryGCPGoogle Cloud Pub/SubJava 17+KafkaMySQLPostgresPythonRabbitMQRedshiftSnowflake
Reposted 7 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Security • Software • Generative AI
The Senior Software Engineer will improve Elasticsearch's performance, maintain cluster coordination, and address complex issues in distributed systems. Responsibilities include project ownership and collaboration on technical solutions.
Top Skills: AlgorithmsConcurrencyData StructuresDistributed SystemsElasticsearchJavaNetty
Reposted 8 Days AgoSaved
Easy Apply
Belfast, Northern Ireland
Easy Apply
Junior
Junior
Information Technology • Consulting
As a Junior Software Developer, you'll train in Java and Scala, build real applications, and collaborate globally to solve business challenges.
Top Skills: JavaScala
9 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Financial Services
The Senior Full Stack Engineer will develop Westpac's digital applications, collaborate across teams, ensure best practices, and maintain high-quality software solutions.
Top Skills: Ci/CdCSSDockerDynatraceHibernateHTMLJavaJavaScriptKubernetesOpenapiPlaywrightReactReduxRestassuredSplunkSpring BootTypescriptWebdriver.IoWebpack
Reposted 9 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 9 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
Reposted 9 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Agency • Information Technology • Marketing Tech
Develop and maintain scalable microservices and RESTful APIs using Java and Spring Boot on AWS infrastructure. Collaborate with the team to deliver high-quality services.
Top Skills: AWSCi/CdDockerJavaPostgresSpring Boot
Reposted 19 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
12 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Fintech • Software • Financial Services
The Senior/Staff Backend Engineer will design and optimize backend services using Java and Apache Kafka, manage databases, mentor engineers, and ensure system scalability and reliability.
Top Skills: Apache KafkaAWSClickhouseCloudFormationDynamoDBGrafanaJavaPostgresPrometheusRedisTerraform
Reposted 14 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
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