Senior Backend Engineer, Admin Experience
Horizon3 AI2 days ago
Remote, United StatesSenior
Base Salary
$199k - $235k/yr
Responsibilities
- Design, build, and operate backend services and APIs for user access, account hierarchies, settings, and administration workflows.
- Own complex features from technical design and implementation through testing, safe rollout, observability, and production support.
- Apply secure authorization and data-modeling practices to customer and parent-child account relationships.
- Investigate production issues and improve service reliability, performance, and observability.
- Write and review maintainable code, automated tests, design documentation, runbooks, and support guidance.
- Collaborate with Product, frontend engineers, and adjacent platform teams to deliver consistent customer workflows.
- Mentor teammates through design discussions, code reviews, and collaborative problem solving.
Requirements
- Bachelor’s degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience.
- 7+ years of professional software engineering experience building production software with a modern programming language.
- Experience designing and operating backend services and APIs and taking complex work from design through production.
- Strong SQL and relational database experience, including data modeling and query debugging or improvement.
- Experience building services on AWS, GCP, or Azure and working with Docker or other containerized applications.
- Demonstrated focus on testing, production reliability, observability, and clear technical communication.
- Experience with multi-tenant SaaS, RBAC, SSO, audit logs, delegated administration, or account hierarchy models is a differentiator.
- Experience with Python or Go, PostgreSQL, GraphQL, Kubernetes, and CI/CD is a differentiator.
- Familiarity with feature flags, metrics, tracing, alerting, Datadog, Prometheus, or OpenTelemetry is a differentiator.
- Strong ownership, analytical and problem-solving skills, attention to detail, collaboration, and interest in mentoring engineers are expected.
Benefits
- Fully remote work arrangement with up to 5% travel required; the company also supports hybrid work depending on role and location.
- Base salary range of $199,000–$235,000 annually.
- Equity package in the form of stock options for full-time roles.
- Health, vision, and dental insurance for employees and families.
- Flexible vacation policy and generous parental leave.
- Career development opportunities, an inclusive culture, and a collaborative environment.
Tech Stack
Categories
About Horizon3 AI
Horizon3 AI builds NodeZero, a proactive security platform that autonomously performs penetration testing and validates attack paths across on‑prem, cloud, and hybrid environments. The company sells its software by subscription to security and IT teams at enterprises and government agencies, helping prioritize and verify fixes. Founded in 2019 and headquartered in San Francisco, it is privately held and serves customers across regulated industries and the public sector.