# Senior Software Engineer, Reliability at Klaviyo

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Design, build and operate foundational,

- **Company:** Klaviyo (https://jobs.trythestack.co/companies/klaviyo)
- **Location:** Dublin, IE, Ireland
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** 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
- **Posted by employer:** 2026-06-17
- **Added to The Stack:** 2026-06-18
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://www.klaviyo.com/careers/jobs/7609150003?gh_jid=7609150003 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-software-engineer-reliability-klaviyo

## 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.

## FAQ

- **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.

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## About The Stack

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## Notes for agents

- Apply on the employer's page (https://www.klaviyo.com/careers/jobs/7609150003?gh_jid=7609150003). The Stack does not take applications.
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- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
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