Senior Backend Engineer - Onboarding & Provisioning Remote

horizon3.ai; United States; Remote; USD 199,000 - 235,000; Full time

Benefits offered by this job

Inclusive Team

Growth Opportunities

Innovative Culture

Hybrid & Remote Work

Competitive Compensation

Job summary

Horizon3, a fully remote cybersecurity company, is seeking a Senior Backend Engineer for the Onboarding & Provisioning team to automate activation, account provisioning, and entitlement assignment for NodeZero customers.

You will own end-to-end workflows, design reliable asynchronous processes, and collaborate with licensing, Product, and customer-facing teams to ensure smooth, scalable production operations.

Qualifications

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

Responsibilities

• Design, build, and operate backend services and workflows that provision customer accounts and assets and activate the appropriate product entitlements.
• Own projects from technical design through testing, release, observability, and production support, including purchase-triggered and partner-related flows where applicable.
• Build reliable asynchronous workflows with safe retries, idempotency, error handling, and recovery from partial failures.
• Improve monitoring and troubleshooting for provisioning and activation; investigate failures and address root causes.
• Partner with licensing, administration, Product, and customer-facing teams to deliver a consistent path from purchase to product activation.
• Write tests, design documentation, runbooks, and operational guidance; use rollout practices that support safe changes.
• Contribute to design and code reviews and support teammates through technical problem solving.

Skills

Ownership

APIs

Distributed systems

Testing & production ops

Communication

Technical collaboration

Problem solving

Education

Bachelor’s degree in CS/CE or related field

Tools

Docker

PostgreSQL

GraphQL

AWS

Kubernetes

Temporal

Go

Python

Datadog

OpenTelemetry

Prefect

Job description

Horizon3, a fully remote cybersecurity company, is seeking a Senior Backend Engineer for the Onboarding & Provisioning team to automate activation, account provisioning, and entitlement assignment for NodeZero customers.

You will own end-to-end workflows, design reliable asynchronous processes, and collaborate with licensing, Product, and customer-facing teams to ensure smooth, scalable production operations.