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Top Backend Jobs in Belfast

3 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
Responsible for setting technical strategy, collaborating across teams on backend systems, ensuring operational reliability, fostering team culture, and developing team talent.
Top Skills: AWSKotlinKubernetesMySQLPythonSpark
Reposted 22 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Entry level
Entry level
AdTech • Big Data • Digital Media • Software
Join an engineering team building a unified next-generation data system. Investigate data discrepancies, create bug tickets, write and review code and unit tests, develop E2E tests, and collaborate across teams while learning new languages, tools, and cloud technologies.
Top Skills: APIsAws DynamodbAws EcsAws EksAws GlueAws LambdaAws RdsAws S3C#C++Go (Golang)JavaJavaScriptPysparkPythonRustServerlessTypescript
Reposted 19 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Healthtech
The Senior Software Engineer will design and build backend services for health data, improve reliability, and deliver robust solutions to enhance patient care.
Top Skills: FastapiGoGoogle Cloud PlatformNext.JsPostgresPythonTemporal CloudTypescript
Reposted 2 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Software
The Senior Java Backend Engineer will lead backend development for a migration project in a complex AWS environment, focusing on automating the actuarial lifecycle in Reinsurance and ensuring alignment with architectural standards.
Top Skills: AWSHelmJavaSpringTerraform
Reposted 2 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Gaming • Software • Automation
As a Senior Backend Engineer, you'll design and maintain backend systems for Free to Play games, ensuring scalable and efficient code while mentoring team members.
Top Skills: AWSPostgresPython
YesterdaySaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Fintech • HR Tech • Payments • Financial Services
Build backend services to integrate AI capabilities within payroll workflows, collaborating with ML engineers to develop AI-powered tools.
Top Skills: Ai ApisJavaScriptNode.jsPostgres
Reposted YesterdaySaved
Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Software
Lead the design and maintenance of scalable software solutions, optimize performance, mentor team members, and ensure operational integrity.
Top Skills: .NetAWSAzureC#GoKubernetesNoSQLRdbms
YesterdaySaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Blockchain • Financial Services • Cryptocurrency • Web3
The role involves designing and implementing payment services, writing efficient backend code, and collaborating with cross-functional teams for seamless integration in a large scale distributed system.
Top Skills: KafkaNode.jsRpc ProtocolsRustTypescript
Reposted YesterdaySaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Lead Backend Engineer, you'll design and build core features, ensuring high performance and collaborating with cross-functional teams. You'll own features end-to-end and mentor other engineers, promoting engineering excellence and innovation.
Top Skills: AngularC# (.Net Core)Ci/CdContainersJavaScriptMicroservicesReactTypescript
Reposted YesterdaySaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Enterprise Web • Software
As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.
Top Skills: GoNode.jsTypescript
Reposted YesterdaySaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Biotech
A mid-level C# .Net Back End Software Engineer responsible for the software development lifecycle, collaborating with teams, and maintaining software applications with a focus on Azure cloud services.
Top Skills: .Net CoreAzure BicepAzure Cosmos DbAzure Data FactoryAzure DevopsAzure FunctionsAzure StorageC# .NetCypress.IoJavaScriptKey VaultNextjsPactflowPythonReactSeleniumService BusSnowflakeYaml
Reposted YesterdaySaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
Sports
Develop and maintain highly-scalable backends for a sports betting platform. Collaborate with team on features, support production applications, and mentor juniors.
Top Skills: AWSDockerJava 8+KubernetesMySQLRedisSpring BootSpring Cloud
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Reposted 2 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Software
You will design and build scalable backend systems and data infrastructure to automate financial processes, utilizing Python and GCP for global clients.
Top Skills: BigQueryDbtDockerGCPGoPython
Reposted 3 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Sports
Develop scalable backend systems, mentor team members, participate in code reviews, and collaborate with Product Owners to enhance features.
Top Skills: AWSDockerJava 8+KubernetesMongoDBMySQLRedisSpring BootSpring Cloud
Reposted 3 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Software • Financial Services
The Backend Engineer will stabilize and evolve event-driven architecture, optimize Node.js microservices, and manage Kafka implementation and cloud deployments.
Top Skills: AWSGCPKafkaKubernetesNode.jsPostgres
4 Days AgoSaved
Easy Apply
In-Office or Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Fintech • Financial Services
The Senior Staff Backend Engineer will lead technical direction for systems, manage engineering standards, mentor teams, and ensure alignment with broader company goals. Responsibilities include hands-on coding, architecture, and partnership with product teams to maximize impact.
Top Skills: AWSCassandraDockerFeastGCPGoKafkaKubernetesReact
Reposted 4 Days AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Payments • Software
As a Software Engineer at Stripe, you will scope, design, and build APIs for money management, mentor engineers, and collaborate with cross-functional teams to enhance internal processes and features.
Top Skills: AWSDockerGraphQLGrpcKubernetes
Reposted 4 Days AgoSaved
Easy Apply
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Artificial Intelligence
The Staff/Lead Engineer role involves maintaining and enhancing video generation infrastructure, building monitoring tools, and ensuring scalable solutions while evaluating commercial impacts and guiding team direction.
Top Skills: AWSPythonReact
Reposted 4 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Senior Backend Engineer, you will design and develop core backend services for user management, integrating with Keycloak, and ensuring production stability.
Top Skills: Apache KafkaGoGrafanaHelmJavaKotlinKubernetesMicronautMixpanelPostgresPythonRabbitMQSentrySpring
5 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Fintech • HR Tech • Payments • Financial Services
Design and maintain backend infrastructure, focusing on Kubernetes and cloud services to automate developer sandboxes, optimizing resource management and costs.
Top Skills: AWSAzureGCPGitopsGoHelmKafkaKubernetesNatsNode.jsPostgresPythonSQL
5 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Blockchain • Financial Services • Cryptocurrency • Web3
As a Senior Software Engineer at Kraken, you will design and maintain backend systems, SDKs, and APIs, enabling efficient growth engineering. You will improve internal tools, enhance developer workflows, and ensure system reliability across multiple teams.
Top Skills: DockerGitlab Ci/CdGoKubernetesMariadbMySQLPythonRedisRubyRustTerraformTypescript
5 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Mid level
Mid level
Real Estate • Software
As a Backend Software Engineer, you'll develop and maintain REST APIs using Django, manage cloud infrastructure, and oversee CI/CD pipelines to support consumer fintech applications.
Top Skills: Ci/CdCloud InfrastructureDjangoPythonRest Apis
Reposted 9 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Software • Analytics
The Senior Back-End Software Engineer designs, develops, and maintains scalable backend systems while taking ownership of the software development lifecycle.
Top Skills: AtlantisAWSCi/CdCloudwatchDynamoDBEc2EksFastapiGithub ActionsIamJenkinsKubernetesLambdaNode.jsPrefect.IoPythonRdsS3SnsSqsTerraformTypescript
Reposted 5 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Senior Backend Engineer, you'll design, build, and ship impactful code to enhance user satisfaction and business growth, collaborating with cross-functional teams for product improvements and customer focus.
Top Skills: AWSDropwizardJavaKafkaKubernetesMySQL
Reposted 11 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Blockchain • Fintech • Software • Financial Services • Cryptocurrency
The Senior Back End Engineer will lead the development of a Sportsbook platform, design software solutions, improve system performance, and manage the development lifecycle.
Top Skills: AWSCi/CdJavaKotlinSpring
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