Senior Backend Engineer, Licensing

horizon3ai; United States; Hybrid; USD 140,000 - 210,000; Full time

Benefits offered by this job

Stock options

Health, vision, dental coverage

Flexible vacation

Parental leave

Job summary

horizon3ai is seeking a senior backend engineer to build and operate backend services representing customer purchases, packaging, entitlements, and usage limits. You will own designs through production support, and collaborate with Product and engineering to ensure robust interfaces and edge-case handling.

The role emphasizes data accuracy, dependable service behavior, and safe delivery across direct and partner account models, with remote or hybrid work options depending on location.

Qualifications

• 7+ years of professional software engineering experience building and operating backend systems.
• Bachelor’s degree in a related computing field or equivalent experience.
• Experience with Python, Go, Java, or TypeScript as a modern backend language.
• Experience designing APIs and data models for business-critical services or customer workflows.
• Strong SQL and relational database skills with data integrity and production troubleshooting.
• Experience with cloud services, containers (Docker), testing, observability, and production ownership; familiarity with Kubernetes or similar orchestrator.

Responsibilities

• Design and maintain APIs and services for purchases, packaging, enabled features, and usage limits.
• Own work from design and implementation through testing, rollout, and production support.
• Develop licensing and usage workflows for direct and partner accounts.
• Coordinate with Product and engineering to define interfaces and edge-case resolutions.
• Strengthen tests, observability, documentation, runbooks, and support practices.
• Investigate issues across service boundaries and deliver lasting fixes.

Skills

Backend design

API design

SQL

Observability

Production ownership

Education

Bachelor’s degree in computing or related field

Tools

Python

Go

Java

TypeScript

Docker

Kubernetes

Job description

Role overview

Build and operate backend services that represent customer purchases, product packages, entitlements, and usage limits. These systems govern which capabilities customers can access, so the role emphasizes accurate data, dependable service behavior, and safe delivery across direct and partner account models.

Responsibilities

• Design and maintain APIs and services for purchases, packaging, enabled features, and usage limits.
• Own work from design and implementation through testing, rollout, and production support.
• Develop licensing and usage workflows that behave consistently for direct and partner accounts.
• Coordinate with Product and engineering teams to define interfaces and resolve edge cases affecting access.
• Strengthen tests, observability, documentation, runbooks, and support practices.
• Investigate issues across service boundaries and deliver lasting fixes.

Requirements

• At least seven years of professional software engineering experience building and operating backend systems.
• Bachelor’s degree in a related computing field or equivalent practical experience.
• Experience with a modern backend language such as Python, Go, Java, or TypeScript.
• Background designing APIs and data models for business-critical services or customer-facing workflows.
• Strong SQL and relational database skills, including data integrity and production troubleshooting.
• Experience with cloud services, containers such as Docker, and testing, observability, and production ownership; familiarity with Kubernetes or a similar orchestrator.

Nice to have

• Experience with licensing, entitlements, subscriptions, usage metering, billing-related workflows, or feature access controls.
• Familiarity with multi-tenant SaaS, account hierarchies, role-based access control, or partner account models.

Benefits and work setup

• Remote or hybrid arrangements depend on role and location; some positions require regular office attendance.
• Full-time roles include stock options. Benefits include health, vision, and dental coverage, flexible vacation, and parental leave.