Senior Software Engineer (Resilience)

TL;DR

Senior Software Engineer (Resilience): Building and improving performance, scalability, and observability systems as a founding member of the Resilience Engineering function. Focus on designing reusable resilience patterns, driving operational excellence, and mentoring engineers to enhance system reliability and speed.

Location: On-site in San Francisco, United States

Salary: $190,000–$250,000

Company

Persona is a configurable identity platform that helps businesses verify individuals and organizations in a digital-first world, serving leading companies like Instacart, OpenAI, and Coursera.

What you will do

• Partner with product teams to solve critical performance and observability challenges.
• Investigate major incidents to identify architectural causes and drive systemic improvements.
• Design and build reusable resilience patterns and tools for reliable services.
• Own and advance observability strategy and tooling to monitor system health.
• Mentor engineers to raise technical standards for performance and reliability.
• Establish and lead Operational Excellence review processes to foster accountability and continuous learning.

Requirements

• Must have 10+ years of software engineering experience building complex production systems.
• Experience or strong interest in performance, scalability, and observability.
• Expertise in observability pillars: metrics, logs, and traces for distributed systems.
• Strong mentoring and communication skills to influence teams without direct authority.
• Ability to build robust, well-tested libraries and tools.
• Comfortable with ambiguity and driving projects in evolving environments.

Culture & Benefits

• Comprehensive medical, dental, and vision coverage.
• 3% 401(k) contribution and unlimited paid time off.
• Quarterly mental health days and family planning benefits.
• Professional development stipends and wellness benefits.
• Inclusive culture emphasizing diversity, equity, inclusion, and belonging.