Senior Site Reliability Engineer (SRE & Platform Reliability)
Affirm
| Company | Affirm |
| Category | Uncategorised |
| Location | Remote Poland |
| Remote | Remote |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 7 Aug 2026 |
| Last verified | 8 Aug 2026 |
| Source | Employer ATS (greenhouse) |
Description
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Site Reliability Engineering at Affirm is a small, yet crucial, team that helps our Engineering partners to “Operate What They Own” with excellence to protect their customers’ experience. SRE accomplishes this through defining frameworks and best practices for operating applications, building tooling, and providing training and consulting. Some of the many SRE responsibilities are:
Providing data and visibility to teams and leadership on application performance
Guiding the development of SLOs
Driving the Incident Management and Analysis process
Steering the implementation of Change Management and Deployment practices
Engaging in service and architectural conversations
Recommending observability and alerting configurations
The SRE team benefits from experience across many domains including:
infrastructure, platform, and distributed systems
capacity management, load and chaos testing
automation, observability, and configuration management
development and product experience
The SRE team is seeking motivated software and systems engineers with the experience to build, iterate on, and expand incident lifecycle, reliability, and resilience practices throughout Affirms Engineering organization and beyond.
What You'll Do:
You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
You will support your peers and stakeholders in the product development lifecycle by collaborating with infrastructure, product management, developer experience & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.
You will proactively identify technical solutions and operational processes that strengthen incident readiness, response, and post-incident analysis.
You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts.
You will foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks.
You will help develop talent on your team by providing feedback and guidance, and leading by example.
What We Look For:
You have 4+ years of experience designing, developing and launching backend systems at scale using scripting and development languages like Bash, Python or Kotlin.
You have a track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes.
You have meaningful experience contributing in or driving parts of the Incident Lifecycle process, enabling actionable insights that improve the quality culture, reliability, resilience, and system performance.
You have 4+ years working in a Site Reliability or Production Engineering team
You demonstrate curiosity with empathy, and strong opinions loosely held
You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design. You write high quality code that is easily understood and used by others.
You have experience in making impactful changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely.
Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders.
You have strong verbal and written communication skills that support effective collabor