Senior Live Systems Reliability Engineer

Whatnot; Leinster; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Flexible time off

Health insurance options (medical, etc

Work-from-home support

Home office setup allowance

Cellphone/internet allowance

Wellness allowance

Childcare assistance

Family planning support

Retirement/pension plans

Dogfood budget

Parental leave

Job summary

Whatnot is seeking a Production Engineer to embed with product, platform, and infrastructure teams, owning reliability and performance at scale. You will hunt anomalies across traffic and latency, link signals to business impact, and drive fixes that span multiple services while preparing for peak events.

You’ll work across critical areas like payments, live video, search, and the bidding path, with strong emphasis on observability, incident response, and cross-team collaboration.

Qualifications

• Strong systems and distributed systems fundamentals: failure modes, saturation, queueing, cascading failure.
• Fluency with cloud-native environments (AWS/GCP) and Kubernetes, infrastructure as code.
• Proficiency in Python/Elixir and Go for performance-sensitive infra.

Responsibilities

• Go deep with the embed team to improve reliability, performance, and scalability.
• Hunt anomalies across traffic, latency, error, and cost signals then trace to root cause.
• Connect operational signals to business impact across cohorts.
• Work on high-risk areas: payments, live video, search, bidding, security.
• Eliminate scale bottlenecks in production and generalize fixes.
• Prepare for peak events with capacity modeling, load testing, and drills.
• Improve observability to catch next anomaly quickly.
• Apply AI to operations: anomaly detection, on-call assistance, remediation.
• Share on-call with the embedded team and act as escalation point for incidents.
• Lead incident response for complex cross-team failures and drive systemic fixes.

Skills

Distributed systems

Cloud-native

Programming languages (Python/Elixir/"

Education

Bachelor's degree in CS or related field

Tools

SRE tooling

Job description

Whatnot is seeking a Production Engineer to embed with product, platform, and infrastructure teams, owning reliability and performance at scale. You will hunt anomalies across traffic and latency, link signals to business impact, and drive fixes that span multiple services while preparing for peak events.

You’ll work across critical areas like payments, live video, search, and the bidding path, with strong emphasis on observability, incident response, and cross-team collaboration.