Senior Backend Engineer - Onboarding & Provisioning Remote

Royper Royco LLC; United States; Hybrid; USD 199,000 - 235,000; Full time

Benefits offered by this job

Health, vision & dental insurance

Flexible vacation policy

Generous parental leave

Equity package

Job summary

Horizon3 is a remote cybersecurity company delivering autonomous pentests via the NodeZero platform. We seek a Senior Backend Engineer to own onboarding and provisioning workflows—from purchase to activation—across licensing, administration, and product teams.

You’ll design and operate backend services, build asynchronous workflows, and improve observability while collaborating with cross-functional teams to reduce friction during activation and ensure reliable entitlements deployment.

Qualifications

• 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.

Responsibilities

• Design, build, and operate backend services provisioning 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

Backend engineering

APIs

Distributed systems

SQL & relational databases

Docker

Python

Go

PostgreSQL

GraphQL

AWS

Kubernetes

Temporal

Prefect

OpenTelemetry

Education

Bachelor’s degree in Computer Science, Computer Engineering, or related field

Tools

Docker

AWS

GCP

Azure

Temporal

Prefect

PostgreSQL

GraphQL

Job description

Horizon3 is a remote cybersecurity company delivering autonomous pentests via the NodeZero platform. We seek a Senior Backend Engineer to own onboarding and provisioning workflows—from purchase to activation—across licensing, administration, and product teams.

You’ll design and operate backend services, build asynchronous workflows, and improve observability while collaborating with cross-functional teams to reduce friction during activation and ensure reliable entitlements deployment.