Senior Staff Software Engineer

Nubank•Toronto, ON

56d•Hybrid

About The Position

As Nubank expands globally, maintaining high operational maturity is critical to our mission of empowering customers. This role exists to bridge the gap between rapid scaling and bulletproof resilience. You will be the technical North Star for our Resilience area. You will act as a force multiplier by partnering with product squads to scale reliability best practices and design safe deployment guardrails. Your primary impact will come from solving complex architectural challenges, mentoring engineers, and shaping the long-term resilience strategy for one of the world's largest digital banks.

Requirements

Expertise in Cloud Resilience: Track record of architecting and maintaining high-availability systems in public cloud environments, preferably AWS.
Incident Lifecycle Mastery: Deep experience in advanced root cause analysis and creating feedback loops that prevent incident recurrence.
Observability Proficiency: Hands-on experience defining and implementing SLOs, SLIs, and error budgets in distributed microservices architectures.
Chaos Engineering Practice: Real-world experience implementing Chaos Engineering and Disaster Recovery planning in production-scale environments.

Nice To Haves

Experience setting technical direction and coordinating large-scale projects across multiple teams.
Background in Site Reliability Engineering (SRE)
Familiarity with multi-region or multi-cell architecture patterns.

Responsibilities

Define Technical Strategy: Lead the long-term roadmap for reliability and resilience to align with global expansion and regulatory requirements.
Drive Resilience Engineering: Execute Chaos Engineering experiments and Disaster Recovery simulations to mitigate systemic vulnerabilities before they impact customers.
Establish Operational Guardrails: Implement robust SLOs and SLIs across the organization to help product teams balance innovation speed with system stability.
Enable Engineering Teams: Provide product squads with the training and architectural patterns necessary to improve their independent operational excellence.