Senior Backend Engineer, Autonomous Defense (AI)

Location: US, Remote

Base salary: $170,000–$235,000 annually, plus equity for full-time roles.

Company

hirify.global is a remote cybersecurity product company developing NodeZero, a platform for production-safe autonomous penetration testing and security assessment operations.

What you will do

• Build and own the agent execution runtime for durable, resumable, long-running workflows with checkpointing, idempotency, cancellation, and timeouts.
• Design the versioned, schema-validated tool layer and connector framework for EDR, firewalls, identity, SIEM, and cloud IAM control planes.
• Implement safe-change workflows including simulation, blast-radius classification, approval gates, staged rollout, rollback, and immutable tenant audit trails.
• Extend tenant isolation for write-capable agents through execution boundaries, egress controls, quotas, and protection against cross-tenant leakage.
• Develop ETL and GraphQL capabilities for agent context, run history, remediation state, and research datasets.
• Instrument agent runs with distributed tracing, per-tenant cost and token accounting, and diagnostics explaining agent decisions; partner with AI researchers, attack engineers, and product.

Requirements

• Bachelor’s degree in Computer Science, Computer Engineering, or a related field.
• 7+ years of professional software engineering experience using modern object-oriented or functional languages such as Python, Go, Scala, C++, or TypeScript.
• Experience building applications on AWS, Azure, or GCP and using Docker and Kubernetes.
• Expert proficiency in SQL.
• Production experience designing and operating distributed systems with asynchronous workflows, queues, retries, idempotency, and partial failure handling.
• Track record of shipping and operating production services, including on-call ownership.

Nice to have

• Experience building agentic or LLM-backed systems in production.
• Experience with Temporal, another durable execution or workflow engine, or equivalent self-built checkpointing.
• Experience with multi-tenant platforms requiring hard isolation, workload identity, and short-lived credential brokering.
• Experience integrating many third-party APIs behind a normalized abstraction.
• Familiarity with EDR, firewall, SIEM, and cloud IAM security control planes and their APIs.
• Experience with PostgreSQL, Neo4j, GraphQL backends, Datadog, Prometheus, Grafana, and distributed tracing.
• Awareness of prompt injection and untrusted-input handling for agents consuming environmental data.

Culture & Benefits

• Inclusive, collaborative culture focused on respect, ownership, results, diversity, equity, and inclusion.
• Remote and hybrid work models depend on the role and location; some roles require regular presence at the Chicago office.
• Health, vision, and dental insurance for employees and families.
• Flexible vacation policy and generous parental leave.
• Career development opportunities, competitive compensation, and equity through stock options for full-time roles.

Hiring process

• Application materials may redact or remove age-identifying information, including age, date of birth, and school attendance or graduation dates, without penalty.