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Top Backend Jobs in Belfast

10 Days Ago
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
AdTech • Big Data • Digital Media • Software
Senior Engineer responsible for designing, developing, and maintaining APIs and infrastructure for Magnite's advertising platform. Collaborate with teams, mentor engineers, and solve complex technical challenges.
Top Skills: Auth0C#DockerJavaJavaScriptJenkinsKubernetesNestjsNode.jsPythonReactTerraform
5 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
As a Senior Software Engineer for the Detections Platform, you'll design and develop scalable cloud-based systems that provide near-real-time security information. Collaborate on technical solutions, mentor teammates, and ensure engineering best practices are followed.
Top Skills: AWSAzureCassandraElastic SearchGoKafkaKubernetesLinuxPythonRedis
5 Days Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
The Backend Engineer III at CrowdStrike will design and maintain backend features for the Kestrel platform, ensuring high performance and scalability while collaborating with various teams.
Top Skills: Go,Golang,Python,Git,Cassandra,Kafka,Opensearch,Kubernetes,Postgres,Redis,Aws Cloud
16 Days Ago
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Professional Services • Software • Energy
As a Senior Backend Software Engineer, you'll design and build services for a scalable platform, collaborating with cross-functional teams and mentoring others.
Top Skills: AWSAzureCi/CdDockerGoogle Cloud PlatformGroovyJavaKafkaKotlinKubernetesScala
7 Days Ago
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As a Staff Backend Engineer at GitLab, you will enhance developer productivity by creating tools, mentoring engineers, and optimizing workflows.
Top Skills: AnsibleAWSAzureGCPGoGoogle Cloud RunRubySnowflakeTerraform
9 Days Ago
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As a Backend Engineer, implement performance improvements for GitLab CI, collaborate with engineering teams, and maintain high code quality standards.
Top Skills: Ci/CdPostgresRuby On Rails
9 Days Ago
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
The Backend Engineer will contribute to GitLab-Runner's development, improve scalability, solve technical problems, and maintain coding standards while working in a remote team environment.
Top Skills: DockerGoKubernetes
Reposted 13 Days Ago
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Conversational AI
As a Senior Backend Engineer, you will design and implement scalable backend services, optimize performance, collaborate with teams, troubleshoot issues, and maintain code quality.
Top Skills: .Net CoreAmazon AwsC#ElasticsearchElkGrafanaKafkaMongoDBPostgresPrometheusPython
15 Days Ago
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
As a Staff Software Engineer, you will lead technical strategy, collaborate on product development, maintain system operations, and mentor team members in building scalable backend systems.
Top Skills: AWSKotlinKubernetesMySQLPythonSpark
5 Days Ago
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Software
The Senior Software Engineer will collaborate with product teams to develop scalable backend services, enhance performance, and ensure high-quality code through reviews and knowledge sharing.
Top Skills: Amazon Web ServicesDjangoGithub ActionsJavaScriptPythonTerraformTypescript
Reposted 6 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Senior Backend Software Engineer, you will design, develop, and maintain software systems, focusing on .NET technologies. You'll provide guidance to other engineers, drive technical decisions, and collaborate with product teams to meet system requirements. Your role includes developing APIs, troubleshooting issues, and implementing CI/CD pipelines while staying updated with industry best practices.
Reposted 7 Days Ago
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Information Technology • Payments
Lead design and development of payment network integrations, manage projects, ensure code quality, and provide technical leadership in a fast-paced environment.
Top Skills: Db2DockerJavaJavaScriptJeeJSONKafkaKubernetesMongo DbOracleRestSoapSQL ServerXML
Reposted 7 Days Ago
Belfast, Northern Ireland
Junior
Junior
Fintech • Information Technology • Payments
As a Software Engineer, you'll design and build advanced fraud detection platforms, develop secure and scalable systems, and engage in Agile development practices.
Top Skills: GitHadoopJavaJenkinsMavenMySQLRestful ApiScalaSparkSpring MvcSpring Boot
42 Minutes Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Marketing Tech
Lead the backend engineering efforts, collaborate on scalable solutions, mentor team, and ensure software quality and performance.
Top Skills: AWSGCPGroovyJavaKafkaMySQLPostgresRedisRest ApisSQL
2 Hours Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Lead Back-end Engineer at ZOE, you'll design scalable systems, mentor engineers, and collaborate with cross-functional teams to drive impactful solutions. You'll work on data collection, payments, and more while ensuring best practices in engineering.
Top Skills: AirflowArgocdBigQueryDbtDjangoFastapiFirebase AuthGCPGithub ActionsGoogle Pub/SubGrafanaKotlinKubernetesNext.JsPythonReact NativeSpring BootTerraformTypescript
4 Hours Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Software
As a Backend Software Engineer, you will design, develop, and maintain scalable backend systems while collaborating with cross-functional teams to ensure software performance and reliability.
Top Skills: Caching LayersCloud PlatformsContainerisation ToolsDistributed DatabasesGoGrafanaMessaging QueuesOrchestration FrameworksPrometheus
Yesterday
Remote
Belfast, Northern Ireland
Senior level
Senior level
Events • Software
The Backend Engineer will design and deliver high-quality backend solutions, participate in coding and code reviews, and collaborate across teams. Responsibilities include optimizing system performance and scalability.
Top Skills: GoGrafanaKafkaMariadbMongoDBNode.jsPostgresPrometheusRabbitMQTypescript
Yesterday
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Software
Join Next Matter as a Senior Software Engineer to build scalable services and collaborate with cross-functional teams on diverse software solutions.
Top Skills: CeleryDjangoDjango Rest FrameworkElasticsearchGitlabPostgresPythonReactRedisSQL
Yesterday
Remote
Belfast, Northern Ireland
Mid level
Mid level
Blockchain • Cryptocurrency
Develop core backend components for a blockchain network, focusing on reliability and scalability, while maintaining high-quality engineering practices.
Top Skills: CC++RustZig
Yesterday
Remote
Belfast, Northern Ireland
Senior level
Senior level
Blockchain • Cryptocurrency
Lead the development of core backend components for a blockchain network, focusing on networking, reliability, and scalability using Rust.
Top Skills: CC++RustZig
Yesterday
Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Software
Design and implement secure services, handle database interactions, integrate APIs, maintain CI/CD workflows, and ensure application reliability.
Top Skills: AlertingAWSDjangoFastapiFlaskGrpcKafkaLoggingMonitoringNon-Relational DatabasesPythonRabbitMQRelational DatabasesRestSqs
Yesterday
Belfast, Northern Ireland
Senior level
Senior level
Retail • Software
As a Lead/Staff Backend Engineer, you will design and scale data platforms, lead architectural decisions, mentor engineers, and drive technical initiatives.
Top Skills: AWSContainer OrchestrationDevOpsInfrastructure-As-CodePythonRelational Databases
Yesterday
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
Lead the growth acquisition backend team, design scalable systems, mentor engineers, and contribute to strategic decisions in user acquisition.
Top Skills: Java
2 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
The Senior Backend Engineer will design, develop, and maintain the CMS platform with a focus on scalable backend systems, API performance, and mentoring junior engineers.
Top Skills: AWSAzureGCPGitJIRAMemcachedPostgresRedisRspecRuby On RailsSidekiq
2 Days Ago
Remote
Belfast, Northern Ireland
Junior
Junior
Cloud • Fintech • Cryptocurrency • NFT • Web3
As a Backend Software Engineer, you'll build scalable micro-services and tackle complex technical challenges while enabling rapid operational resilience and innovative tooling for cryptocurrency operations.
Top Skills: DockerGoGraphQLGrpcMongoDBProtobuffRuby On Rails
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