Staff Software Engineer, Backend (Identity International)
Affirm· Checkout
Remote£142k - £190kfull-timePosted 1mo ago
About the role
Backend leadership role focusing on Identity services for international markets, shaping technical strategy, architecture, and operations to enable Affirm’s global expansion while maintaining compliance and system reliability.
Responsibilities
- Setting technical strategy for the team on a year-long time scale and aligning it with business-impacting projects
- Collaborating across product management, design, and analytics to ensure technical sustainability, risks and trade-offs are understood
- Acting as a force-multiplier by defining and advocating technical solutions and operational processes
- Owning the team’s operations and availability with proper monitoring, triage rotations, playbooks, policies, testing and alerting to support reliability and on-call efforts
- Fostering a culture of quality and ownership by setting code review and design standards and evangelizing them beyond the team
- Developing talent by providing feedback, guidance, and leading by example
Qualifications
- 8+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin
- Extensive track record of developing highly available distributed systems using AWS, MySQL, Spark and Kubernetes
- Experience delivering major features, components, or deprecating functionality with a clear technical and execution plan
- Ability to handle ambiguity and understand architecture from low-level details to system-wide design
- Proven growth and impact trajectory with capability to gather and iterate on feedback from peers
- Strong verbal and written communication skills for collaboration with a global engineering team
Skills
Required:Backend design and developmentDistributed systemsTechnical leadership and strategyCross-functional collaboration
Benefits
- Health coverage at no cost for employees and their dependents
- Monthly stipends for tech setup, health and wellness options
- Flexible time off and generous holiday calendars
- Employee stock purchase plan (ESPP)
- Location: Remote UK with flexible, remote-first approach
Last updated Sep 16, 2026. Interested? Apply on the company site.
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