Senior Software Engineer - Backend (Store Rollout & Observability)

Tesco Technology Hungary is part of a global retail platform that supports large-scale, low-bandwidth environments managing software rollouts across thousands of retail stores using cloud-native and edge-based solutions. The role is based in Kraków and involves working closely with deployment, platform, and operations teams.

• 6+ years of experience in software engineering.
• Strong Java development skills with Spring Framework.
• Strong analytical and problem-solving skills with a data-driven mindset.
• Basic system design skillset.
• Deep understanding of metrics, logs, traces, alerting strategies, and performance monitoring.
• Experience with modern observability frameworks and standards such as OpenTelemetry.
• Knowledge of event-driven systems and event sourcing patterns.
• Hands-on experience with CI/CD pipelines and automated testing.

Nice to have:

• Familiarity with SQL databases and distributed systems concepts.
• Knowledge of Kubernetes and Docker.
• Experience in monitoring and observability tools.
• Hands-on experience with monitoring and visualization platforms such as Prometheus, Grafana, Victoria Metrics, or New Relic.
• Experience troubleshooting complex distributed systems in production environments.

• Design and implement metrics, logging, tracing, and telemetry solutions across cloud and edge components.
• Build monitoring pipelines, dashboards, and alerting frameworks providing actionable insights into deployment health, device status, and store operations.
• Define and maintain Service Level Indicators (SLIs), Service Level Objectives (SLOs), and reliability metrics for deployment services.
• Create operational analytics for deployment performance, software rollout progress, failure detection, and capacity planning.
• Integrate telemetry from cloud services, edge devices, deployment agents, and infrastructure components into centralized monitoring platforms.
• Build automated detection and root-cause analysis capabilities using modern observability practices and tooling.
• Develop self-service dashboards and reporting capabilities for engineering, support, and operations teams.
• Drive observability standards, instrumentation practices, and monitoring strategies across the Retail Platform ecosystem.

This role requires candidates to be based in or near Kraków, Poland, with 60% of the week spent collaborating on-site and the remainder remote. Tesco is committed to diversity and inclusion with accessible recruitment processes and reasonable adjustments for candidates.