199K–235K USD / year
Senior Backend Engineer, Onboarding and Provisioning
BackendRemote — United States
Published on 2026-10-30
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About this role
Build and operate backend workflows that take NodeZero customers from purchase through account and asset provisioning to their first pentest. The role focuses on accurate entitlements, reliable integrations, and reducing onboarding failures, with ownership from design through production support.
About the company
Horizon3.ai is a technology company specializing in cybersecurity solutions, focusing on automated penetration testing and threat detection for enterprises. They provide a range of services aimed at enhancing security posture and risk management for organizations across various sectors.
The team
Onboarding and Provisioning team within Enterprise Platform.
Stack
PythonGoPostgreSQLGraphQLAWSKubernetesTemporalPrefect
What you'll do
- Build backend services and workflows for customer provisioning and product entitlement activation.
- Own projects from design and testing through release, observability, and production support.
- Implement asynchronous workflows with retries, idempotency, error handling, and recovery from partial failures.
- Improve monitoring and troubleshooting, investigate failures, and address root causes.
- Collaborate with licensing, administration, Product, and customer-facing teams.
- Write tests, design documentation, runbooks, and operational guidance; contribute to reviews and support teammates.
What we're looking for
- 7+ years of professional experience building and operating backend services.
- Experience designing production APIs, data models, or distributed workflows.
- Strong SQL and relational database experience, plus experience with AWS, GCP, or Azure.
- Experience with Docker or other containerized applications and a strong foundation in testing and production operations.
- Bachelor’s degree in a related field or equivalent practical experience.
- Strong ownership, communication, and cross-functional collaboration skills.
Nice to have
- Experience with customer onboarding, account provisioning, purchase or subscription events, or product activation.
- Experience with event-driven systems, queues, workflow orchestration, retries, idempotency, or failure recovery.
- Experience with entitlements, multi-tenant SaaS, partner channels, or product-led growth workflows.
Benefits
- Stock options
- Flexible vacation policy
- Generous parental leave
- Health, vision, and dental insurance for employees and family