# Senior Site Reliability Engineer (SRE & Platform Reliability) at Affirm

> 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: - Own and deliver quarterly team goals; le

- **Company:** Affirm (https://jobs.trythestack.co/companies/affirm)
- **Location:** Spain
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Site Reliability Engineering, Distributed systems, AWS, MySQL, Kubernetes, Python, Bash, Kotlin, Incident management, Observability, Capacity management, Load testing, Chaos testing, Configuration management, Change management, Service level objectives
- **Posted by employer:** 2026-08-07
- **Added to The Stack:** 2026-08-08
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://job-boards.greenhouse.io/affirm/jobs/7822391003 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-site-reliability-engineer-sre-platform-reliability-affirm

## About the role

Responsibilities:
- Own and deliver quarterly team goals; lead engineers through ambiguity to solve open-ended reliability problems.
- Define and drive SLOs, observability, alerting, incident response, post-incident analysis and runbooks.
- Lead incident management and change/deployment practices; recommend deployment and configuration controls.
- Design and run capacity planning, load and chaos testing to improve resilience and scalability.
- Build automation and tooling to reduce toil and improve operational readiness; support on-call and "keep the lights on" activities.
- Partner with infrastructure, product, developer experience and analytics on architecture, trade-offs and operational risk.
- Mentor engineers; raise code-review and design standards; deliver documentation and tech talks.

Requirements:
- 4+ years building and launching backend systems at scale using scripting/development languages (Bash, Python, Kotlin).
- Proven experience with distributed systems and technologies such as AWS, MySQL and Kubernetes.
- Strong background in SRE practices: SLOs, incident lifecycle, observability, capacity management, and automation.
- Experience with load/chaos testing, configuration/change management and deployment pipelines.
- Comfortable with participating in an on-call rotation and supporting production incidents.

## Responsibilities

You will lead engineering efforts to improve system reliability, resilience, and incident response while mentoring team members. You will also collaborate with cross-functional teams to define SLOs, manage infrastructure, and drive operational excellence.

## Requirements

Candidates must have 4+ years of experience in Site Reliability or Production Engineering and proficiency in backend systems at scale. Strong experience with AWS, Kubernetes, and scripting languages like Python or Bash is required.

## FAQ

- **Is this Senior Site Reliability Engineer  (SRE & Platform Reliability) role still open?** It was posted on 2026-08-07. Listings more than 30 days old may no longer be active, so check Affirm's site before applying.
- **Does Affirm offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Affirm's site.
- **Where is this role located?** The listing gives the location as Spain. It is marked on-site.
- **What skills does this role ask for?** The listing names: Site Reliability Engineering, Distributed systems, AWS, MySQL, Kubernetes, Python, Bash, Kotlin, Incident management, Observability, Capacity management, Load testing, Chaos testing, Configuration management, Change management, Service level objectives.

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## About The Stack

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## Notes for agents

- Apply on the employer's page (https://job-boards.greenhouse.io/affirm/jobs/7822391003). 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.
- Cite this job as: "Senior Site Reliability Engineer (SRE & Platform Reliability) at Affirm, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/senior-site-reliability-engineer-sre-platform-reliability-affirm)".
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