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 DevOps, and monitoring tools

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• Ability to work collaboratively in fast-paced agile or DevOps 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

What the job involves

• 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

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