Java Backend Reliability Engineer

Requirements

• Proven experience as a Back-End Developer with a strong focus on Java
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• Experience supporting live production environments and resolving incidents or defects
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• Strong debugging, problem-solving, and root cause analysis skills
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• Solid understanding of RESTful APIs, microservices, and event-driven systems
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• Hands-on experience with Postgres/SQL, Active MQ, and Liquibase
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• Experience using JUnit, Mockito, and Wiremock for testing code fixes and regression testing
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• Proficiency in version control systems such as Git and working knowledge of CI/CD pipelines
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• Experience with containerization (Docker) and orchestration (Kubernetes, ideally AKS)
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• Knowledge of Azure services such as Function Apps, Azure Dev Ops, and monitoring tools
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• Ability to work collaboratively in fast-paced agile or Dev Ops environments
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• Strong communication and documentation skills, especially for incident reporting and defect logs.
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• (Desirable) Experience with Microsoft Azure cloud services (e.g., Azure Functions, Azure Storage, Azure App Service)
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• (Desirable) Knowledge of ITIL incident and problem management processes
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• (Desirable) Knowledge of Kubernetes for container orchestration and management
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• (Desirable) Familiarity with containerization technologies such as Docker or Kubernetes
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• (Desirable) Knowledge of CI/CD tools and practices
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• (Desirable) Understanding of microservices architecture and development
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• (Desirable) Familiarity with CQRS, Event Sourcing, and Pub/Sub architectures
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• (Desirable) Experience working with cloud-native and microservice-based architectures

• Investigate, diagnose, and resolve live system defects and production incidents in line with SLAs
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• Analyse logs, metrics, and traces to identify root causes of complex technical issues
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• Design, develop, and deploy stable, well-tested fixes using Java and related frameworks
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• Collaborate with 2nd Line (AMS) Operations, QA, and Feature Teams as appropriate to triage and prioritise defects
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• Implement hotfixes and patches to production environments safely, following change management protocols
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• Support post-incident reviews, contributing to preventative actions and service improvement
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• Maintain clear documentation of incident investigations, defect resolutions, and code changes
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• Monitor system health and performance using existing observability and alerting tools
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• Contribute to improving the reliability and maintainability of backend systems and services
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• Provide technical expertise and mentoring in diagnosing and resolving backend issues