Principal Software Reliability Engineer (Python)

TL;DR

Principal Software Reliability Engineer (Python/Ruby/Node.js): Defining and driving product-level reliability for consumer identity systems with an accent on release safety, observability, and system architecture. Focus on building reliability tooling, reducing incident volume, and ensuring 99.99% availability for critical biometric and authentication services.

Location: Must be based in Portugal or the United Kingdom; roles are hybrid or remote eligible.

Company

hirify.global is a global industry leader in identity-centric security solutions, protecting data and identities for organizations in over 150 countries.

What you will do

• Define the reliability roadmap and strategy for the Consumer Identity product engineering team.
• Partner with engineering leadership to implement resilience patterns and optimize service performance.
• Build tooling for automated rollbacks, progressive delivery, and advanced observability.
• Lead postmortem processes and drive systemic improvements to reduce change-induced incidents.
• Influence technical direction across the organization to enhance system reliability and reduce complexity.

Requirements

• 8+ years of software engineering experience, with 4+ years specifically in reliability or SRE roles.
• Proficiency in at least one backend language (Python, Ruby, or Node.js).
• Deep understanding of resilience patterns, observability, and incident management best practices.
• Proven ability to influence without authority and communicate complex reliability concepts to senior stakeholders.
• Must be located in Portugal or the United Kingdom.

Nice to have

• Experience with chaos engineering and fault injection.
• Reliability experience with ML systems or complex model serving.
• Familiarity with Datadog, Kubernetes, AWS, and GitLab CI/CD.
• Experience leveraging LLMs for automated runbook generation or code analysis.

Culture & Benefits

• Flexible work environment supporting remote, hybrid, or on-site arrangements.
• Opportunities for professional growth through learning-forward initiatives.
• Collaborative, global culture with a strong emphasis on diversity and inclusion.
• Direct impact on high-scale security solutions used by major financial institutions.