Sr. Software Engineer (Python and React)

About the role

Petco is seeking a technical owner for production support across Python backend services, React Native mobile applications, GraphQL APIs, PostgreSQL databases, and AWS cloud infrastructure.

Responsibilities

• Ensure the stability, availability, and performance of production services and infrastructure.
• Lead the investigation and resolution of production incidents, service disruptions, performance degradation, and customer-reported issues.
• Analyze application logs, system metrics, distributed traces, and database activity to identify root causes and restore service.
• Troubleshoot complex issues across application, infrastructure, database, network, and integration layers.
• Use Datadog, CloudWatch, and other observability tools to identify failure patterns, bottlenecks, and system anomalies.
• Investigate data issues by executing SQL queries, analyzing database performance, validating data integrity, and troubleshooting PostgreSQL and DynamoDB-related problems.
• Develop and deploy bug fixes, hotfixes, and permanent corrective actions to prevent incidents from recurring.
• Participate in on-call rotations and act as an escalation point for critical production incidents.
• Coordinate incident response, communicate with stakeholders, and drive service restoration.
• Conduct root cause analysis for major incidents and document findings, corrective actions, and preventive measures.
• Create and maintain operational runbooks, troubleshooting guides, support documentation, and knowledge base articles.
• Improve monitoring, alerting, logging, and observability to detect issues before they affect customers.
• Partner with development teams to prioritize production defects, technical debt remediation, and system reliability improvements.
• Support application releases, production deployments, and change management, including implementation and post-deployment validation.
• Identify opportunities for automation to reduce manual support.

Datos clave

• The role supports Python backend services, React Native mobile applications, GraphQL APIs, PostgreSQL databases, and AWS cloud infrastructure.
• Responsibilities include investigating production incidents and driving service restoration.
• The role participates in on-call rotations and acts as an escalation point for critical production incidents.