Senior Software Engineer, Reliability at Klaviyo

✨ The Stack take on this Klaviyo job

• 🏢 Klaviyo has 19 jobs here, 11 with visa sponsorship see all
• 🛂 Visa: Critical Skills Employment Permit. Occupations on the Critical Skills list: €40,904 a year with a relevant degree guide
• 💡 No salary shown. Ask Klaviyo if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

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About the role

Responsibilities:
- Design, build and operate foundational, security-critical services with emphasis on availability, scalability, latency and fault tolerance.
- Apply software engineering to automate infrastructure, reduce operational toil and improve system reliability at scale.
- Define and refine SLIs, SLOs and error budgets; improve observability, alerting and incident response workflows.
- Perform quantitative analysis of system behavior, capacity and scaling limits; drive long-term preventative fixes.
- Participate in on-call rotations focused on sustainable operations and automatic remediation.
- Mentor peers, influence architecture early, and raise the bar for reliability and operational maturity across teams.

Requirements:
- Proven cloud-native SRE experience operating production systems at scale and deep understanding of distributed systems.
- Production-quality coding skills in Python, Go or similar for automation and platform development.
- Experience with Kubernetes, Terraform/AWS (or equivalent IaC), observability tooling, capacity planning and chaos testing.
- Track record of diagnosing complex failures, designing preventative solutions and leading reliability initiatives.
- Strong communication, mentoring and cross-team collaboration skills.

Responsibilities

Build and operate foundational, security-critical services to ensure platform reliability, scalability, and fault tolerance. Automate infrastructure to reduce operational toil and define reliability objectives using SLIs and SLOs.

Requirements

Requires a cloud-native SRE experienced in writing production-quality code and operating containerized workloads in production. Must be proficient with infrastructure as code and capable of diagnosing complex distributed system failures.

Key skills

• Python — in 1200 other listings on The Stack
• Go — in 230 other listings on The Stack
• Kubernetes — in 585 other listings on The Stack
• Terraform — in 470 other listings on The Stack
• SRE Best Practices — not in any other listing on The Stack
• AWS — in 802 other listings on The Stack
• Distributed Systems — in 342 other listings on The Stack
• Observability — in 305 other listings on The Stack
• Infrastructure as Code
• Capacity Planning
• Incident Response
• SLIs/SLOs
• Fault Tolerance
• Automation
• Performance Analysis
• Security Tooling

On The Stack (as of 2026-11-05)

• Klaviyo has 18 other listings on The Stack, 10 of them marked as offering visa sponsorship.
• 37 visa-sponsored jobs in Ireland on The Stack, posted in the last 60 days.
• 195 visa-sponsored software engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about Klaviyo

Is this Senior Software Engineer, Reliability role still open?

It was posted on 2026-06-17. Listings more than 30 days old may no longer be active, so check Klaviyo's site before applying.

Does Klaviyo offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Klaviyo's site.

Where is this role located?

The listing gives the location as Dublin, IE, Ireland. It is marked on-site.

What skills does this role ask for?

The listing names: Python, Go, Kubernetes, Terraform, SRE Best Practices, AWS, Distributed Systems, Observability, Infrastructure as Code, Capacity Planning, Incident Response, SLIs/SLOs, Fault Tolerance, Automation, Performance Analysis, Security Tooling.