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Top Backend Jobs in Belfast

13 Days Ago
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
AdTech • Big Data • Digital Media • Software
Senior Engineer responsible for designing, developing, and maintaining APIs and infrastructure for Magnite's advertising platform. Collaborate with teams, mentor engineers, and solve complex technical challenges.
Top Skills: Auth0C#DockerJavaJavaScriptJenkinsKubernetesNestjsNode.jsPythonReactTerraform
Reposted 7 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Enterprise Web • Software
As a Senior Software Engineer on the Content Lake DX team, you will design and develop distributed systems, mentor teammates, and improve engineering culture.
Top Skills: GoNode.jsTypescript
19 Days Ago
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Professional Services • Software • Energy
As a Senior Backend Software Engineer, you'll design and build services for a scalable platform, collaborating with cross-functional teams and mentoring others.
Top Skills: AWSAzureCi/CdDockerGoogle Cloud PlatformGroovyJavaKafkaKotlinKubernetesScala
12 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
As a Senior Software Engineer for the Detections Platform, you'll design and develop scalable cloud-based systems that provide near-real-time security information. Collaborate on technical solutions, mentor teammates, and ensure engineering best practices are followed.
Top Skills: AWSAzureCassandraElastic SearchGoKafkaKubernetesLinuxPythonRedis
12 Days Ago
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As a Backend Engineer, implement performance improvements for GitLab CI, collaborate with engineering teams, and maintain high code quality standards.
Top Skills: Ci/CdPostgresRuby On Rails
12 Days Ago
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
The Backend Engineer will contribute to GitLab-Runner's development, improve scalability, solve technical problems, and maintain coding standards while working in a remote team environment.
Top Skills: DockerGoKubernetes
Reposted 17 Days Ago
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Conversational AI
As a Senior Backend Engineer, you will design and implement scalable backend services, optimize performance, collaborate with teams, troubleshoot issues, and maintain code quality.
Top Skills: .Net CoreAmazon AwsC#ElasticsearchElkGrafanaKafkaMongoDBPostgresPrometheusPython
19 Days Ago
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
As a Staff Software Engineer, you will lead technical strategy, collaborate on product development, maintain system operations, and mentor team members in building scalable backend systems.
Top Skills: AWSKotlinKubernetesMySQLPythonSpark
2 Days Ago
Belfast, Northern Ireland
Senior level
Senior level
Security • Cybersecurity
The Senior Backend Engineer will develop scalable applications and infrastructure for ML models, collaborating with data scientists and helping shape ML platforms.
Top Skills: Apache AirflowAWSAws SagemakerPythonSparkTerraform
2 Days Ago
Belfast, Northern Ireland
Junior
Junior
Financial Services
Develop and maintain high-quality software solutions, ensuring performance, reliability, and security while collaborating with cross-functional teams.
Top Skills: AWSAzureGitGCPJavaMongoDBPostgresSpring BootSQL
8 Days Ago
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Software
The Senior Software Engineer will collaborate with product teams to develop scalable backend services, enhance performance, and ensure high-quality code through reviews and knowledge sharing.
Top Skills: Amazon Web ServicesDjangoGithub ActionsJavaScriptPythonTerraformTypescript
3 Hours Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Enterprise Web • Software
As a Senior Software Engineer, you will build scalable distributed systems, mentor teammates, contribute to coding standards, and drive technical solutions.
Top Skills: GoNode.jsTypescript
Reposted 10 Days Ago
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Senior Backend Software Engineer, you will design, develop, and maintain software systems, focusing on .NET technologies. You'll provide guidance to other engineers, drive technical decisions, and collaborate with product teams to meet system requirements. Your role includes developing APIs, troubleshooting issues, and implementing CI/CD pipelines while staying updated with industry best practices.
Reposted 15 Hours Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
eCommerce • Fintech • Payments • Software • Financial Services
Design and implement secure APIs and backend services in Python, collaborate with teams, conduct code reviews, and optimize the developer experience.
Top Skills: Python
20 Hours Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Gaming
Develop game features for large-scale multiplayer experiences, build CI/CD pipelines, maintain DevOps workflows, and resolve backend performance issues.
Top Skills: .NetAWSC#
Reposted 10 Days Ago
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Information Technology • Payments
Lead design and development of payment network integrations, manage projects, ensure code quality, and provide technical leadership in a fast-paced environment.
Top Skills: Db2DockerJavaJavaScriptJeeJSONKafkaKubernetesMongo DbOracleRestSoapSQL ServerXML
Reposted 10 Days Ago
Belfast, Northern Ireland
Junior
Junior
Fintech • Information Technology • Payments
As a Software Engineer, you'll design and build advanced fraud detection platforms, develop secure and scalable systems, and engage in Agile development practices.
Top Skills: GitHadoopJavaJenkinsMavenMySQLRestful ApiScalaSparkSpring MvcSpring Boot
2 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Mobile • Payments • Software
RevenueCat seeks a Senior Backend Engineer to design, build, and support features for mobile subscriptions, focusing on reliability and scalability.
Top Skills: ClickhousePostgresPythonReactSQL
Reposted 2 Days Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Sports
Develop scalable mobile backends, participate in code reviews, and mentor junior team members while ensuring application stability and performance.
Top Skills: AWSDockerJava 8+KubernetesMongoDBMySQLRedisSpring BootSpring CloudSpring Data
Reposted 2 Days Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Sports
Develop microservices in a distributed environment, focusing on containerization with Docker and Kubernetes. Collaborate with teams for new features and participate in code reviews. Provide production support and mentor junior developers.
Top Skills: AWSDockerElasticsearchJava 8+KubernetesMongoDBMySQLRabbitMQRedisSpring BootSpring CloudSpring Data
2 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Blockchain • Machine Learning • Financial Services • Cryptocurrency
The Senior Back-End Software Engineer will build and scale backend systems, optimize performance, develop APIs, and ensure security and stability.
Top Skills: AWSDockerHerokuNest.JsPostgresTypescript
2 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Web3
As a Lead Backend Engineer on the Debugger team at Tenderly, you will develop scalable cloud debugging tools, lead technical decisions, and build real-time transaction processing systems, while collaborating cross-functionally to solve complex problems in blockchain technology.
Top Skills: Cloud PlatformsGoKubernetes
2 Days Ago
Remote
Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Mobile • News + Entertainment • Social Media
The Staff Backend Engineer will lead technical decisions, optimize user growth strategies, enhance user experiences, and implement scalable backend systems for Reddit.
Top Skills: C++CassandraFlinkGoGraphQLHTTPJavaKafkaPythonRestRubySparkStormThrift
Senior level
News + Entertainment
The Senior Backend Engineer will develop scalable services for royalty processing using Scala, ensuring timely delivery of royalties to artists through high-quality software practices.
Top Skills: AWSDatadogGithub ActionsKafkaPulumiScalaTypescript
5 Days Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Marketing Tech • Analytics
As a Senior Backend Developer at Appinio, you'll design and maintain server-side applications, enhance code, and collaborate with front-end developers using Node.js, TypeScript, and Express.
Top Skills: AWSDockerExpressMongoDBNode.jsTerraformTypescript

Top Belfast Companies Hiring Backend Developers

See All
Proofpoint Thumbnail
Security • Cybersecurity
6 Offices
3780 Employees
Sanity.io Thumbnail
Software • Enterprise Web • Artificial Intelligence
2 Offices
190 Employees
RevenueCat Thumbnail
Software • Payments • Mobile • Fintech
San Francisco, California
40 Employees
Sporty Group Thumbnail
Sports
London
326 Employees
Fortis Games Thumbnail
Gaming
San Francisco, California
349 Employees
Primer (UK) Thumbnail
Software • Payments • Fintech • Financial Services • eCommerce
London
166 Employees
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