Top Backend Jobs in Belfast

Reposted 6 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 YesterdaySaved
In-Office
Belfast, Northern Ireland
Mid level
Mid level
Financial Services
We are seeking a collaborative Backend Engineer with Java expertise to design, build, and maintain backend services, focusing on operational excellence and system reliability. Responsibilities include architecture, automation, and supporting production environments in a multi-cloud setting.
Top Skills: ArgocdAWSAzureBigtableGCPHelmJavaJenkinsKubernetesMongoDBRedis
Reposted 2 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Junior
Junior
Productivity • Software • Cybersecurity
Responsible for project lifecycle from design to deployment, conducting reliability analysis, contributing to architectures, and interfacing with teams.
Top Skills: AWSAzureDockerElasticsearchGCPGoJavaKubernetesNeo4JRabbitMQRedisTimescaledb
Reposted 2 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Junior
Junior
Productivity • Software • Cybersecurity
The Backend Software Engineer will manage the lifecycle of short-term projects, perform reliability analysis on applications, and interface with teams to deliver features.
Top Skills: AWSAzureDockerElasticsearchGCPGoJavaKubernetesNeo4JRabbitMQRedisTimescaledb
22 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology
As a Senior Backend Engineer at DuckDuckGo, you'll lead backend projects, mentor engineers, and develop AI-enhanced features for the company's privacy-centric product line.
Top Skills: Ai ToolingGoNode.jsPerlRag Pipelines
Reposted 21 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Gaming • Software • Automation
Design, build, test, and maintain backend services and APIs for the casino platform. Ensure reliability, scalability, and code quality; participate in reviews, shape architecture, collaborate with product and vendors, and ship continuously in a fast-paced environment.
Top Skills: AWSAzureGCPPostgresPython
Reposted 21 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Marketing Tech
The Senior Backend Engineer will enhance back-end development with Python/Django, implement new features, and improve architecture while collaborating with an Agile team.
Top Skills: CloudflareDjangoGitlabKubernetesMemcachedNginxPostgresPythonRedisSolrVarnish
Reposted 21 Hours AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Healthtech • Software
As a Senior Backend Engineer, you'll design and maintain software using Rust, mentor junior staff, and contribute to best practices in a collaborative environment.
Top Skills: AxumGitJavaScriptPostgresPythonRustSqlxTypescript
Reposted YesterdaySaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Cloud • Software
As a Backend Software Engineer, you'll design scalable backend systems, optimize database performance, and collaborate with front-end and DevOps teams.
Top Skills: AWSAzureDockerGCPGoKubernetesNode.jsNoSQLPythonSQL
Reposted YesterdaySaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Automotive • Information Technology • Insurance
Lead and mentor engineering teams, design and build Python microservices, ensure system resilience and scalability, and improve CI/CD processes.
Top Skills: Cloud-NativeMicroservicesPython
Reposted YesterdaySaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Gaming
As a Staff Backend Engineer, you'll develop game features, design CI/CD pipelines, analyze backend systems, and collaborate on multiplayer experiences.
Top Skills: .NetAWSC#
Reposted 2 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
The Senior Backend Software Engineer will design and build critical alerting systems, collaborate in a remote team, mentor others, and drive project delivery from ideation to operations.
Top Skills: C++CloudGoJavaPythonRust
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Reposted 2 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Entry level
Entry level
Artificial Intelligence • Information Technology
The Full-Stack Engineer will enhance backend functionality, collaborate with teams, and maintain platform performance and security, requiring expertise in Python.
Top Skills: APIsCloud InfrastructureKubernetesPythonStorage Solutions
Reposted 4 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Machine Learning • Software
As a Senior Fullstack Engineer, you will focus on backend development using Python/Django, and occasionally contribute to the React/Typescript frontend, working on user activation and product improvements.
Top Skills: DjangoPythonReactTypescript
Reposted 4 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Logistics • Software • Automation
The Senior Backend Developer will design and develop software solutions in Golang, conduct code reviews, mentor juniors, collaborate on system architecture, and optimize applications for performance.
Top Skills: AWSAzureCdCiDockerGCPGitGoMySQLPostgres
Reposted 5 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
The Staff Backend Engineer will drive technical strategy, oversee critical system architecture, lead large projects, and mentor engineers to enhance telemetry data management at Grafana Labs.
Top Skills: CC++GoGrafanaKafkaKubernetesPrometheusPythonRust
Reposted 5 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Mobile • Payments • Software
Design, build, and support features for a monetization platform while ensuring reliability and performance as a senior backend engineer.
Top Skills: PostgresPythonReactSQL
Reposted 6 Days AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Pet • Travel
The Senior Backend Engineer will enhance platform capabilities using Python/Django, improving architecture, mentoring, and collaborating on features that drive member value.
Top Skills: DatadogDjangoGithub ActionsPythonSentrySQL
Reposted 6 Days AgoSaved
Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Artificial Intelligence • Security • Cybersecurity
The Backend Engineer will develop AI Agents, design scalable systems, integrate ML services, optimize performance, and mentor junior engineers.
Top Skills: AWSDockerKubernetesLangchainLlamaindexPython
Reposted 6 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Software
The Senior Software Engineer will lead the development of a Python-based platform, enhancing a mature system for open-source collaboration, mentoring teams, and driving innovation.
Top Skills: DebianPostgresPythonUbuntu
Reposted 7 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Database • Analytics
The Senior Backend Engineer will build key backend services for an observability platform, manage data pipelines, work with open-source contributors, and tackle scalable backend system design challenges.
Top Skills: ClickhouseDockerExpressFastifyGoKafkaKubernetesNatsNode.jsOpentelemetryPostgresTypescript
8 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Digital Media • Software • Generative AI
As a Senior Python Backend Engineer at VidRush, you'll build AI-driven video production systems, ship production-level ML/LLM services, and work closely with product teams while ensuring high autonomy and delivery speed.
Top Skills: LlmopsLlmsMlopsOpenaiPythonPyTorchVideo Processing
8 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Financial Services
As a Principal Backend Engineer, you'll lead technical direction, mentor engineers, and manage complex systems, ensuring high quality and collaboration across teams.
Top Skills: AWSCassandraDockerFeastGCPGoKafkaKubernetesReact
Reposted 9 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Fintech • HR Tech • Payments • Financial Services
Seeking a Back-End/Infra Engineer with 8+ years experience in software engineering to develop and maintain dynamic developer sandboxes, manage Kubernetes infrastructure, and ensure efficient lifecycle management.
Top Skills: AWSAzureGCPGitopsHelmKafkaKubernetesNatsNode.jsPostgres
Reposted 10 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
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