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Top Backend Jobs in Belfast

Reposted 17 Hours AgoSaved
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Professional Services • Software • Energy
As a Senior Backend Software Engineer, you will design and build services, collaborate with product and design teams, mentor engineers, and improve engineering culture while delivering scalable solutions.
Top Skills: C#DockerGoGoogle Cloud PlatformJavaKafkaKotlinKubernetesMaterial-UiMongoDBNext.JsNode.jsPostgresPythonReactScalaSpring BootTemporalTypescript
Reposted 2 Days AgoSaved
Easy Apply
In-Office or Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As an Intermediate Full Stack Engineer, you will develop and maintain analytics instrumentation tools, collaborating across teams to enhance product insights and support data-driven decisions.
Top Skills: AirflowAtlanAWSAzureClickhouseDbtGCPJavaScriptMixpanelPosthogPulumiRuby on RailsReactRubySegmentSnowflakeTerraformVue
Reposted 4 Days AgoSaved
Easy Apply
In-Office or Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
Develop and improve tools for GitLab's knowledge management, collaborate with teams, and ensure code quality through best practices. Participate in feature iterations and user interface implementations.
Top Skills: ActiverecordElasticsearchGitGraphQLHamlJestRedisRestful ApisRspecRuby On RailsTypescriptVue
Reposted 7 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
As a Staff Backend Engineer, you'll build Python web services, lead technical projects, and mentor engineers while driving AI integration and system performance optimization.
Top Skills: AIFastapiGrpcMlPythonStarlette
Reposted 20 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
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
The Senior Backend Engineer will develop scalable product features, lead technical initiatives, mentor engineers, and guide technical strategies related to GitLab Geo.
Top Skills: PostgresRuby On Rails
12 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As a Backend Engineer, you will focus on re-architecting GitLab Runner for ultra-scale CI/CD operations, building a scalable foundation for CI functions execution, and solving medium complexity technical problems, while collaborating with cross-functional teams to enhance product quality and performance.
Top Skills: DockerGoKubernetes
14 Days AgoSaved
Easy Apply
In-Office or Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As an Intermediate Backend Engineer, you'll develop features, optimize performance, collaborate with teams, and improve the GitLab Agile Planning platform.
Top Skills: GraphQLPostgresRest ApiRuby On Rails
Reposted 15 Days AgoSaved
Easy Apply
In-Office or Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As a Staff Backend Engineer, you will enhance GitLab's Developer Experience by optimizing tooling, CI/CD pipelines, and testing frameworks, while collaborating with teams to identify pain points and drive improvements.
Top Skills: GoRuby
Reposted 15 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
As a Senior Backend Engineer, you will design and develop security platform capabilities, architect greenfield projects, and create robust APIs, contributing to the infrastructure of enterprise security solutions.
Top Skills: ElasticsearchGitGitlab Ci/CdGraphQLNoSQLPostgresRest ApiRuby On Rails
19 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As a Backend Engineer at GitLab, you'll develop internal tools and frameworks, improve development workflows, and collaborate with cross-functional teams to enhance productivity.
Top Skills: CircleCIDockerGitlab CiGoGrafanaJenkinsNoSQLPrometheusRuby On RailsSeleniumSQL
Reposted 2 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Software • Energy • Renewable Energy
The Senior Backend Software Engineer will design backend microservices, develop REST APIs, manage CI/CD pipelines, mentor junior engineers, and collaborate in Agile teams to enhance energy monitoring solutions.
Top Skills: AWSAws AuroraDockerFast ApiGitlab CiKubernetesMySQLPostgresPythonRabbitMQUbuntu Linux
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Reposted 2 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Payments • Financial Services
The Senior Backend Engineer will build event-driven microservices to enhance financial inclusion across Africa, working remotely in a diverse team environment. Responsibilities include full ownership of solutions, collaboration, testing, and DevOps practices.
Top Skills: .NetAzureC#Event-Driven ArchitectureKubernetesMicroservices
Reposted 2 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Payments • Financial Services
The Senior Backend Engineer will build event-driven microservices for a FinTech platform, collaborating effectively in a remote team to enhance financial inclusion across Africa.
Top Skills: .NetAzureC#DevOpsEvent-Driven ArchitectureKubernetesMicroservices
Reposted 22 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
Implement and enhance product features, ensuring security and performance while collaborating with stakeholders. Engage with users for feedback and optimize workflows.
Top Skills: GoRuby On Rails
Reposted 22 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
Contribute to fullstack features using JavaScript, Ruby, and Python, collaborating with teams for development, bug fixes, and performance enhancement.
Top Skills: AWSGCPGraphQLJavaScriptPostgresPythonRestRubyRuby On RailsVue
Reposted 7 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Financial Services
The role involves leading quality initiatives for backend components, developing test automation frameworks, and ensuring robust testing practices for APIs and services.
Top Skills: AWSC#Ci/CdGCPGitKubernetesTypescript
3 Hours AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Software
The Senior Backend Engineer will join Mimir to improve and maintain Grafana’s metrics platform, collaborating with engineers on distributed systems and ensuring performance, reliability, and feature delivery.
Top Skills: CC++GoGrafanaKafkaKubernetesPrometheusPythonRust
Reposted 4 Days AgoSaved
Belfast, Northern Ireland
Mid level
Mid level
Digital Media
As a Back End Engineer, you will design and maintain backend services using Node.js and TypeScript, manage PostgreSQL databases, and collaborate with cross-functional teams on new features at Kyra.
Top Skills: AWSBullmqDockerNode.jsPostgresRabbitMQTypescript
Reposted 17 Hours AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Software • Automation
The Staff/Lead Backend Engineer will enhance and scale the backend systems, focusing on architecture, API development, and improving reliability and performance. Collaborating across teams and mentoring peers are key aspects of the role.
Top Skills: DockerJavaScriptK8SMernMongoDBPostgresTypescript
Reposted 17 Hours AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
Blockchain • Information Technology • Software • Cryptocurrency
The Backend Engineer will implement new SDK and Indexer features, automate testing, support integration, and oversee production releases.
Top Skills: GraphQLTypescript
Reposted 17 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Marketing Tech
The Senior Backend Engineer will enhance back-end development with Python/Django, implement new features, and improve architecture while collaborating with an Agile team.
Top Skills: Python,Django,Kubernetes,Postgresql,Redis,Solr,Memcached,Nginx,Varnish,Cloudflare,Gitlab
Reposted 17 Hours AgoSaved
Remote
Belfast, Northern Ireland
Junior
Junior
Gaming • Software • Automation
As a Junior Backend Engineer, you'll build APIs for mobile and web applications, collaborate with teams, and produce maintainable code while learning from mentors.
Top Skills: AWSDockerFlaskMypyPostgresPytestPythonS3SqsTerraform
Reposted 17 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Gaming • Software • Automation
Seeking a senior backend engineer to develop APIs, maintain robust code, mentor junior engineers, and collaborate with cross-functional teams.
Top Skills: AWSDockerFlaskMypyPostgresPytestPythonS3SqsTerraform
Reposted 17 Hours AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Gaming • Software • Automation
Contribute to backend development by building APIs, writing efficient code, and collaborating with product and design teams, while growing under mentorship.
Top Skills: AWSDockerFlaskMypyPostgresPytestPythonS3SqsTerraform
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