Lead Backend Engineer - Secure AI Harnesses

Armis; New York (NY); On-site; USD 197,000 - 230,000; Full time

Benefits offered by this job

RSUs

Job summary

Armis is seeking a hands-on Backend Engineer to design and build secure AI infrastructure for production AI agents in a fast-paced startup environment. You will create Agent Control Plane capabilities, embed security into agents, and develop reusable services, APIs, and tooling that scale with AI applications.

You will collaborate with AI researchers and engineers to move prototypes to production and define engineering standards.

Qualifications

• 5+ years of backend software engineering experience.
• Experience building AI Harnesses.
• Experience with Harness & AI Security.
• Experience building backend services and microservice architectures.
• Experience working with AWS cloud services.
• Experience designing APIs and distributed systems.
• Hands-on experience building AI applications, AI agents, or agentic workflows.
• Experience working with Agent SDKs.
• Familiarity with Model Context Protocol (MCP).
• Experience building developer tools, APIs, or CLI applications.
• Strong understanding of software architecture and production engineering.
• Comfortable working in startup environments with significant ownership.
• Ability to independently drive projects from concept through production.

Responsibilities

• Design and build secure AI infrastructure for production AI agents.
• Develop Agent Control Plane capabilities that manage, monitor, and secure agent execution.
• Build embedded controls and security mechanisms directly into AI agents.
• Develop reusable services, APIs, and developer tooling that support AI applications.
• Build and maintain integrations with modern Agent SDKs and Model Context Protocol (MCP).
• Design backend microservices using Python and AWS.
• Build observability into AI systems, including telemetry, monitoring, tracing, and operational visibility.
• Develop public-facing developer tools and command-line interfaces (CLI).
• Partner closely with AI researchers to rapidly transition prototypes into production-ready systems.
• Own projects from architecture through deployment.
• Help define engineering standards and reusable patterns across the AI platform.
• Collaborate with stakeholders across Product, Sales, and Executives while leading technical initiatives when appropriate.

Skills

Backend engineering

AI Harnesses

Harness & AI Security

Microservices

AWS

APIs & distributed systems

AI applications/agents

Agent SDKs

Model Context Protocol (MCP)

Developer tools / CLI

Software architecture

Startup ownership

Job description

Armis is seeking a hands-on Backend Engineer to design and build secure AI infrastructure for production AI agents in a fast-paced startup environment. You will create Agent Control Plane capabilities, embed security into agents, and develop reusable services, APIs, and tooling that scale with AI applications.

You will collaborate with AI researchers and engineers to move prototypes to production and define engineering standards.