Backend Engineer – Cybersecurity

Role Overview

Shinobi Security is an applied AI company building autonomous offensive security technology. We are looking for a Backend Engineer to design and build the systems that control, secure, orchestrate, and monitor autonomous security agents operating in real customer environments. This is a system design and backend engineering role with significant ownership.

Responsibilities

• Design and build backend services for autonomous security engagements.
• Develop traffic interception/proxy systems, including scope enforcement, rate limiting, and request/response capture.
• Build secure credential-brokering systems with scoped and revocable credentials.
• Design agent orchestration for long-running jobs, including queues, scheduling, retries, state management, and cancellation.
• Build audit and evidence systems that reliably record agent activity.
• Ensure strong multi-tenant isolation, authorization, and security controls.
• Debug production issues and work directly with customers to resolve technical problems.

Requirements

• Strong production experience with TypeScript or Python.
• Proven experience designing and architecting backend systems, not just implementing predefined designs.
• Strong understanding of distributed systems — queues, workers, state machines, retries, idempotency, and long-running jobs.
• Good understanding of HTTP, TLS, proxies, and networking.
• Strong security mindset, including least privilege, authorization, and credential security.
• Working knowledge of AWS and containers.
• Ability to take ownership of technical problems and work directly with customers.

Benefits

• Paid sick time
• Paid time off
• Work from home