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Top Software Engineer Jobs in Belfast

Reposted 22 Days AgoSaved
Belfast, Northern Ireland
Senior level
Senior level
Security • Software
Lead AI-enabled engineering initiative, designing multi-agent systems for software development, integrating AI tools, and collaborating across teams to innovate workflows.
Top Skills: Agentic Frameworks Like LangchainJavaLlm ApisMySQLReactTypescriptVector Databases
Reposted 22 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
Lead the development of decentralized applications in a blockchain environment, collaborating across teams to create intuitive user experiences and maintain blockchain integrations.
Top Skills: AlchemyDiscordEthers.JsExpressFastapiFoundryGitGraphQLHardhatInfuraJavaScriptLinearNext.JsReactReduxRestSlackSwrTanstack QueryThe GraphTypescriptViemVueWagmiZustand
Reposted 22 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Information Technology • Professional Services • Software • Consulting
The Software Engineer will lead the design and implementation of billing and invoicing improvements, engage with stakeholders, and mentor junior engineers while ensuring code quality and health.
Top Skills: DealhubFivetranGitGitGoOracle NetsuitePythonSalesforceWorkato
Reposted 22 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Information Technology • Professional Services • Software • Consulting
As a Software Engineer, you'll enhance billing and invoicing systems, lead feature implementation, engage with stakeholders, and mentor junior engineers.
Top Skills: GitGitGoPython
Reposted 22 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Information Technology • Professional Services • Software • Consulting
As a Software Engineer in Business Systems, you will design, implement, and improve billing systems, engage stakeholders to solve challenges, and mentor junior engineers.
Top Skills: Cloud ServicesDealhubFivetranGitGitGoOracle NetsuitePythonSalesforceWorkato
Reposted 9 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology
The Senior Software Engineer will develop high-quality solutions for a SaaS security product, mentor junior members, and contribute to technical decisions while using Java and React.
Top Skills: Aws LambdaJava 21ReactRedisSpring Boot
Reposted 9 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Software
The Staff Software Engineer at Bazaarvoice will design and develop solutions for the Syndication platform, lead engineering excellence, mentor engineers, and resolve production issues.
Top Skills: SparkAWSCi/CdCloudFormationDbtDynamoDBElasticsearchEventbridgeJavaJavaScriptLambdaMongoDBOpensearchRedshiftS3SamSnowflakeStep FunctionsTerraformTypescript
Reposted 11 Hours AgoSaved
Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Software
The Principal Software Engineer will lead the design, implementation, and maintenance of scalable software solutions, mentor other engineers, and drive engineering excellence, particularly focusing on developer tools and cloud-native environments.
Top Skills: .Net CoreAngularC#Ci/CdCloud-Native DevelopmentContainersJavaScriptMicroservicesReactTypescript
Reposted 13 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
The Senior Frontend Software Engineer will enhance a notifications platform by developing user-facing features, optimizing performance, and collaborating with cross-functional teams while mentoring peers and contributing to frontend architecture.
Top Skills: ReactTypescript
Reposted 17 Hours AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Fintech • Software • Travel • Business Intelligence • Consulting • App development • Big Data Analytics
As a full-stack Software Developer, you will develop secure web and server-side applications using technologies like React and C#. You will participate in Agile Scrum ceremonies, collaborate with stakeholders, and ensure high-quality software delivery through design, coding, and testing.
Top Skills: .Net 8+Advanced JavascriptAsp.Net MvcC#CSSEntity Framework CoreHTMLJSONNextjsPlaywright Test AutomationReactReduxRestful ServicesSQL ServerT-SqlTypescriptUnit Testing (Nunit/Xunit)Web Api
Reposted 17 Hours AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Fintech • Software • Travel • Business Intelligence • Consulting • App development • Big Data Analytics
Work as a full-stack developer on enterprise travel products using C#/.NET and React. Participate in Agile teams to design, code, test (manual and automated), document, and deliver secure, scalable software while mentoring peers and collaborating with stakeholders.
Top Skills: .Net 8+.Net Framework 4.5-4.8Asp.Net MvcAsp.Net WebformsAzure DevopsC#Ci/CdConfluenceCSSEntity Framework CoreGitHTMLJavaScriptJIRAJSONMicroservicesNextjsNunitPci-DssPlaywrightReactReduxRestful ServicesSQL ServerT-SqlTypescriptVisual BasicWeb ApiXunit
Reposted 23 Hours 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
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Reposted 23 Hours AgoSaved
Easy Apply
In-Office or Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Fintech • Information Technology
As a Senior Software Engineer, you will develop and maintain Alpaca's platform services, including event streaming infrastructure and authentication systems, while ensuring software quality and reliability.
Top Skills: Argo CdFlatbuffersGoGoogle Cloud PlatformGoogle Kubernetes EngineGrafanaGrpcHelmJwtKafkaKeycloakKubernetesOpenid ConnectPostgresPrometheusProtocol BuffersRedpandaRestful ApisSAMLTempoTerraform
Reposted 23 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software • Energy
Design and build backend systems for a flexibility engine, collaborating across teams and ensuring reliability for live deployments. Requires experience in distributed systems and maintainable code.
Top Skills: AWSAxiomDynamoDBNode.jsTimescaledbTypescript
Reposted 23 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Software
The Senior Software Engineer works hands-on with Imogen to modernize production systems, collaborating with customers and partners in delivery-focused teams. Responsibilities include leading technical discussions, applying XP engineering practices, and mentoring partner engineers.
Top Skills: Ai-Assisted Coding ToolsCi/CdCobolImogenJcl
Reposted 23 Hours AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Professional Services • Software
As a Principal Software Engineer, you will enhance product features, mentor team members, and oversee the lifecycle of various challenges while improving scalability and performance across the platform.
Top Skills: .NetAzureAzure Sql ServerElastic SearchLuceneMssqlNoSQL
Reposted 23 Hours AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Professional Services • Software
The Senior Software Engineer will enhance product features, support team members, and improve software quality and scalability using .NET and Azure technologies.
Top Skills: .NetAzureAzure Sql ServerElastic SearchLuceneMssqlNoSQL
Reposted 24 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Junior
Junior
Cloud • Software
This role involves developing Python software for High Performance Computing (HPC) environments, collaborating with global teams, and delivering HPC solutions.
Top Skills: CudaDockerInfinibandKubernetesLustreMpiOpenstackPythonRdmaSingularitySlurm
Reposted 24 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 2 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Junior
Junior
Cloud • Software
The Junior Software Developer will collaborate on a cloud-native monitoring stack, developing features, debugging, and representing Canonical at events.
Top Skills: GoKubernetesOpenstackPythonUbuntu Linux
Reposted 2 Days AgoSaved
Easy Apply
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Cloud • Software
As a Senior Software Engineer, you will develop and manage a MongoDB solution on various platforms, ensuring reliability and security while contributing to a small team focused on impactful projects.
Top Skills: Python,Mongodb
Reposted 2 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Information Technology • Software
The Staff Software Engineer will lead the architecture for AI inference platform performance, focusing on latency and throughput across systems and GPU executions.
Top Skills: Ci/CdCloud InfrastructureGoObservability StacksPHPPythonRust
Reposted 2 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
The Senior Software Developer will create and enhance AI prototypes, ensure technical standards, support backend service integrations, and collaborate with multidisciplinary teams.
Top Skills: APIsCi/CdCloud EnvironmentsMicroservicesNode.jsPython
Reposted 2 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Software
Develop new features in cryptography R&D, tackle systems-level programming challenges, and apply cryptographic knowledge to real-world problems.
Top Skills: AWSBazelC++DockerFlaskGCPGoGraphQLKotlinPostgresPythonReactRustTypescriptZig
Reposted 12 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Senior Software Engineer, you will design, develop, and deliver solutions for user-generated content management, focusing on quality, security, and scalability. Responsibilities include TDD, working on microservices, coaching junior engineers, and resolving production issues.
Top Skills: BashCloudFormationDynamoDBElasticsearchJavaKafkaKotlinMongoDBMySQLRabbitMQTerraform
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