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Top Backend Jobs in Belfast

6 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 25 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 22 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 11 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Senior Backend Engineer at HubSpot, you'll design and build impactful features, collaborate across teams, and enhance user satisfaction while empowering SMBs with our technology.
Top Skills: AWSDropwizardJavaKafkaKubernetesMySQL
Reposted 11 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
The Technical Lead II will lead the Security Privacy team, overseeing technical direction, project delivery, engineer mentorship, and collaboration with compliance teams to design systems managing PII and GDPR workflows.
Top Skills: Asynchronous ProcessingData PipelinesJavaKafkaMicroservicesMySQLRelational Databases
Reposted 11 Hours AgoSaved
Easy Apply
In-Office or Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Fintech • Financial Services
The Backend Engineer III will collaborate with cross-functional teams to design and build parts of Monzo's banking platform using technologies like Go and Kubernetes, focusing on customer outcomes and resilient software.
Top Skills: AWSCassandraDockerEnvoy ProxyGCPGoKafkaKubernetesReact
Reposted 11 Hours AgoSaved
Easy Apply
In-Office or Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Fintech • Financial Services
As a Senior Backend Engineer, you will collaborate with cross-functional teams to build resilient software and support various banking operations using technologies like Go and Kubernetes.
Top Skills: AWSCassandraDockerEnvoy ProxyGCPGoKafkaKubernetesReact
Reposted 11 Hours AgoSaved
Easy Apply
In-Office or Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Fintech • Financial Services
As a Staff Backend Engineer, you will collaborate across teams to build and improve backend systems using various technologies, focusing on customer-centric solutions and resilient software.
Top Skills: AWSCassandraDockerEnvoy ProxyGoKafkaKubernetesReact
Reposted 11 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Security • Cybersecurity
The Back End Software Engineer will design and develop Azure SaaS applications, collaborate with teams, prototype solutions, and maintain application performance while resolving issues.
Top Skills: App ServicesAzure FunctionsAzure SaasC#CosmosEvent GridGremlinService BusStorageTsql
YesterdaySaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Insurance • Software • Business Intelligence
As a Senior Backend Engineer, you'll develop features using Python and various AWS services, focusing on AI-driven solutions for the insurance sector.
Top Skills: Auth0Aws Api GatewayAws LambdaAws RdsAws S3Aws SesAws SnsAws SqsCircleCIDatadogDockerGcp BigqueryGcp VertexaiGitJsonschemaKubernetesLocalstackMypyOcr EnginesPusherPythonRedisRelational DatabasesRest ApisRole Based Access ControlTerraform
Reposted YesterdaySaved
Remote or Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Database
As a Senior Product Engineer at Attio, you'll design and build scalable backend systems, lead projects, and innovate in cloud-native architecture, ensuring performance and reliability.
Top Skills: GCPNode.jsTypescript
Reposted YesterdaySaved
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Information Technology • Software • Cybersecurity
The Fullstack Engineer will focus on product software engineering, agents framework engineering, and R&D in AI and cybersecurity. Responsibilities include hands-on engineering, testing, and integrating AI Agents into existing systems.
Top Skills: Generative AiHaystackLangchainLlamaindexPythonRag
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Reposted YesterdaySaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Blockchain
Design, build, and maintain backend services for WalletConnect Pay. Collaborate cross-functionally, lead architecture decisions, and own services end-to-end.
Top Skills: AWSRustTerraformTypescript
Reposted 3 Days 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 3 Days 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
4 Days AgoSaved
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 4 Days AgoSaved
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
4 Days AgoSaved
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 4 Days AgoSaved
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 4 Days AgoSaved
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 4 Days AgoSaved
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 4 Days AgoSaved
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
Reposted 5 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 6 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 6 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
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