Senior Backend Engineer, Onboarding and Provisioning

The role

You will build workflows that activate NodeZero customers from purchase through account and asset provisioning. You will design, build, and operate backend services and asynchronous workflows to ensure correct product entitlements.

What you will do

• Design, build, and operate backend services and workflows that provision customer accounts and assets and activate product entitlements.
• Own projects from technical design through testing, release, observability, and production support.
• Build reliable asynchronous workflows with safe retries, idempotency, error handling, and recovery from partial failures.
• Improve monitoring and troubleshooting for provisioning and activation.
• Partner with licensing, administration, Product, and customer-facing teams.
• Write tests, design documentation, runbooks, and operational guidance.
• Contribute to design and code reviews and support teammates through technical problem solving.

Required qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience.
• 7+ years of professional software engineering experience building and operating backend services.
• Experience designing APIs, data models, or distributed workflows for production systems.
• Strong SQL and relational database experience.
• Experience with a cloud platform such as AWS, GCP, or Azure.
• Experience with Docker or other containerized applications.
• Strong foundation in testing and production operations.
• Ability to own complex work, communicate clearly, and collaborate across engineering and Product teams.

Nice to have

• Experience with customer onboarding, account provisioning, purchase or subscription events, or product activation workflows.
• 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.
• Experience with Python or Go, PostgreSQL, GraphQL, AWS, Kubernetes, Temporal, Prefect, or similar tools.
• Experience improving service observability with Datadog, Prometheus, OpenTelemetry, or comparable tools

Benefits

• Equity package in the form of stock options
• Health, vision & dental insurance for you and your family
• Flexible vacation policy
• Generous parental leave

About the company

Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors. Their flagship product, the NodeZero platform, delivers production-safe autonomous pentests.