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Top Backend Jobs in Belfast

Reposted 3 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
HR Tech
As a Senior Backend Engineer, you'll develop tools, APIs, and integrations using Elixir and Phoenix, while mentoring other engineers and contributing to team projects.
Top Skills: AWSCi/CdDockerElixirGitlabKubernetesNext.JsPhoenixPostgresReact
Reposted 4 Days 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 4 Days 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 4 Days 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 4 Days 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 5 Days AgoSaved
In-Office or Remote
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 5 Days AgoSaved
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
Reposted 6 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Software
You will influence the product roadmap, design and maintain systems, mentor team members, and contribute to an open-source culture in a fully remote team.
Top Skills: CC++DockerGoKubernetesPythonRust
Reposted 7 Days AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Blockchain • Fintech • Software • Financial Services • Cryptocurrency • Web3
As a QA Engineer, you'll design and develop automated tests for DeFi backend systems, ensuring quality and performance. You'll validate smart contract integrations and performance under load while collaborating with teams to resolve issues.
Top Skills: ChaiCi/CdDockerEthereum NodesFoundryHardhatKafkaKubernetesMochaNats
Reposted 7 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 7 Days AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Software • Automation
As a Backend Engineer, you'll design and develop scalable web applications and APIs, contributing to our AWS-based infrastructure and maintaining high engineering standards.
Top Skills: Api GatewayAurora ServerlessAWSDynamoDBLambdaRustSnsSqsTypescript
Reposted 8 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
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Reposted 8 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 8 Days AgoSaved
Belfast, Northern Ireland
Mid level
Mid level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Generative AI
Design, build, and maintain scalable features for an AI workspace platform, ensuring quality and performance while collaborating across teams.
Top Skills: KubernetesPostgresPythonReactTypescript
Reposted 8 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 9 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 9 Days AgoSaved
Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Agency • Information Technology • Marketing Tech
The Lead Backend Developer will architect and lead a team in developing a scalable retail ecosystem backend, focusing on microservices and AWS infrastructure, ensuring quality and security while providing hands-on coding and team management.
Top Skills: AWSAws CdkCi/CdJavaMicroservicesPostgresSpring Boot
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 9 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 9 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
Sports
Develop microservices for a top sports betting platform, ensuring stability and scalability to accommodate millions of users. Responsibilities include feature development, code reviews, and mentoring.
Top Skills: AWSDockerJava 8+KubernetesMicroservicesMongoDBMySQLRedisRest ApiSpring BootSpring CloudSpring Data
10 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Blockchain • Fintech • Software • Financial Services • Cryptocurrency • Web3
As a Senior Backend Engineer, you will develop scalable microservices, design APIs, monitor system performance, and maintain service reliability across the 1inch infrastructure.
Top Skills: DockerEmqxGrafanaKafkaKubernetesNatsNest.JsNode.jsPostgresPrometheusRedisSQLTypescript
Reposted 10 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 10 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
Reposted 11 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Blockchain • Fintech • Software • Financial Services • Cryptocurrency • Web3
The role entails developing scalable backend systems using Node.js and Nest.js, ensuring high performance and security, and optimizing microservices architecture. Responsibilities also include system monitoring, code quality checks, and collaboration within a fintech context.
Top Skills: DockerEmqxEthers.JsGrafanaKafkaKubernetesNatsNest.JsNode.jsPostgresPrometheusRedisSoliditySQLTypescriptWeb3Web3.Js
Reposted 11 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Software
NetBox Labs seeks a Backend Engineer to design and maintain backend systems, collaborate on APIs, optimize data, and ensure software reliability. Ideal candidates have strong Golang and Python skills and 5+ years of experience.
Top Skills: AmqpAWSGoGrafanaGrpcKafkaKubernetesMqttOpentelemetryProtobufPythonRedis
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