
Staff Backend Engineer, Admin Experience
Horizon3 AI1 day ago
Remote, United StatesStaff+
Base Salary
$230k - $270k/yr
Responsibilities
- Set technical direction for backend services and APIs supporting user access, account hierarchies, settings, and administration workflows.
- Lead architecture and implementation of authorization, tenant-boundary, and customer account model changes.
- Remain hands-on in production code while guiding technical decisions, tradeoffs, and delivery across teams.
- Improve API quality, testing, security, observability, rollout practices, and operational readiness.
- Partner with Product and adjacent Engineering teams to align interfaces and administration capabilities.
- Mentor engineers through design reviews, code reviews, pairing, documentation, and technical influence.
- Diagnose complex production issues and drive improvements that prevent recurrence.
Requirements
- Bachelor’s degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience.
- 8+ years of professional software engineering experience, including deep experience building production backend systems.
- Track record of leading technical direction or architecture for complex services, APIs, or platform capabilities.
- Strong experience with distributed or multi-tenant systems, data modeling, SQL, and production reliability.
- Experience building backend services with a modern language such as Python, Go, Java, or TypeScript.
- Experience with SQL, relational data stores, REST or GraphQL API design, cloud-hosted production services, and Docker.
- Experience with RBAC, SSO, account hierarchies, delegated administration, auditability, identity and access management, or comparable domain capabilities is valued.
- Experience with PostgreSQL, AWS, Kubernetes, feature flags, Datadog, Prometheus, or OpenTelemetry is valued.
- Ability to lead through ambiguity, communicate architecture and tradeoffs, influence decisions across teams, mentor engineers, and improve engineering practices.
- Cybersecurity or customer-facing SaaS experience with complex tenant models is valued.
Benefits
- Fully remote company; the position may require up to 5% travel.
- Hybrid and remote work models are supported depending on role and location, including a Chicago office where some roles require regular in-office presence.
- Full-time employees are eligible for an equity package in the form of stock options.
- Health, vision, and dental insurance are provided for employees and families.
- Flexible vacation policy and generous parental leave are offered.
- Employees receive career development opportunities in a collaborative and inclusive 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.