Senior Software Engineer (Metrics and Alerting)

Strong proficiency in TypeScript/Node.js with a proven track record of building production-grade services Experience with query languages for metrics and monitoring (PromQL, SQL, or similar) Hands-on experience building or maintaining alerting systems, including rule evaluation engines and notification pipelines Experience with time-series databases and columnar storage systems Frontend development skills with React and modern JavaScript frameworks Strong understanding of distributed systems, data structures, and algorithms Experience with observability concepts including metrics, logs, traces, and their correlation Ability to work independently with minimal supervision and a track record of learning quickly Dedication to writing clean, maintainable, and well-tested code Experience Prometheus ecosystem, including AlertManager Background in building rule engines or expression evaluation systems Experience with notification systems and integrations (PagerDuty, Slack, webhooks, etc.) Familiarity with observability tools like Grafana, ELK stack, or similar solutions Experience with CI/CD pipelines such as BitBucket, Jenkins, CircleCI, etc. Understanding of alert fatigue mitigation strategies and intelligent alerting patterns Experience with high cardinality data and performance optimization Willingness to speak your mind and share ideas Comfort working remotely

Design and build sophisticated alerting systems Develop query-based alert rules and expressions using PromQL, SQL, and other query languages Create intelligent alert routing, deduplication, and correlation mechanisms Build scalable backend services for alert evaluation, notification delivery, and alert management workflows Optimize time-series data storage and query performance Develop intuitive interfaces for alert configuration, visualization, and management using React and modern frontend technologies Collaborate with cross-functional teams to understand monitoring requirements Mentor and guide engineers on best practices for observability and alerting architecture