Principal Software Engineer I, Platform Billing Core

What you'll do

• Own complex billing and account management systems across multiple cloud providers.
• Build large-scale data pipelines for billing data ingestion, transformation, and reconciliation.
• Shape system architecture for scale, modularity, API structure, and data modeling.
• Own PostgreSQL data architecture, focusing on query speed, schema quality, and high availability.
• Improve observability, incident response, and reliability of core billing systems using DevOps practices.
• Serve as the primary technical reviewer for the billing core stack to maintain quality standards.
• Mentor engineers and tech leads to raise design and operational standards across the organization.
• Participate in on-call rotations to ensure production readiness through automation and resilience testing.

What we're looking for

• 8+ years of experience in backend or platform engineering.
• Proficiency in Python and PostgreSQL, including schema design, performance, and high availability.
• Proven experience improving reliability, observability, and incident response in production systems.
• Solid background in cloud infrastructure including AWS, GCP, or Azure, networking, IAM, and monitoring.
• Experience leading multi-quarter projects and mentoring engineers to raise technical standards.
• Experience with SaaS billing, metering, or financial systems (preferred).
• Clear written and verbal communication skills to influence both technical and non-technical partners.
• Eligibility to work in Department of Defense (DoD) Impact Level 4 or above cloud service environments.