Principal Software Engineer (AWS CloudWatch)

Location: Dublin, Ireland

Company

hirify.global develops AWS CloudWatch, a cloud observability platform for AWS customers, hirify.global internal teams, and CloudWatch Omni experiences.

What you will do

• Set the multi-year technical vision and architecture for the CloudWatch metrics platform, including query execution, tiered and long-term storage, and ingestion.
• Drive architecture across multiple teams for a globally available 24x7 service used to monitor, alert on, and analyze systems in real time.
• Lead the evolution toward intelligent, adaptive ingestion and establish the platform as an OpenTelemetry metrics foundation across hirify.global.
• Make architectural decisions balancing correctness, availability, performance, cost, durability, latency, and scale.
• Raise engineering standards through design and code reviews, operational excellence, production deep dives, and durable fixes.
• Mentor senior engineers and represent CloudWatch metrics in AWS architecture forums and the OpenTelemetry and Prometheus communities.

Requirements

• 10+ years of non-internship professional software development experience.
• 10+ years designing and architecting large-scale distributed systems, including design patterns, reliability, and scaling.
• Relevant experience in high-performance storage, time-series or metrics systems, query engines, or database internals.
• Experience setting technical direction across multiple teams and delivering step-function improvements to systems at scale.

Nice to have

• Deep familiarity with time-series data, metrics systems, and the Prometheus and OpenTelemetry ecosystems.
• Experience with S3-based storage, stream processing such as Kinesis or Kafka, and columnar formats such as Parquet.
• Experience with PromQL or other time-series query languages, query planning, storage compaction, and performance optimization at scale.
• Systems programming experience in Rust, Java, C++, or similar.
• Experience influencing architecture across organizations and mentoring senior engineers.

Culture & Benefits

• Work on a globally available cloud observability service used by AWS customers, hirify.global teams, and millions of developers and SREs.
• Collaborate across the Dublin engineering team, the wider CloudWatch organization, and the broader OpenTelemetry and Prometheus communities.
• Inclusive culture focused on discovering, inventing, simplifying, and building.
• Workplace accommodations are available during the application and hiring process.