Principal Software Engineer

Job Summary

Our client, a major technology solutions company, needs a Principal Software Engineer for their Security Harness Engineering team. This is a hands-on engineering role building AI-powered tooling that secures and validates code produced by AI coding assistants and agents. The ideal candidate has actually built and shipped agentic AI systems in production, and can own the full delivery lifecycle on their own. This position is W-2 only. We do not work with third-party firms or C2C arrangements for this role.

Contract Details

Contract Length: 52 weeks
Location: Round Rock, TX
Work Model: Onsite

Core Responsibilities

• Design, build, and deploy AI-powered capabilities across the SDLC, including spec-driven development workflows and guardrails for AI-generated code
• Build SDLC skills and agent tooling, including automated security checks like design review, dependency/supply-chain analysis, and static/dynamic analysis orchestration
• Integrate with enterprise systems (source control, CI/CD, ticketing, security scanning, identity) through APIs, webhooks, and protocols like MCP
• Work with engineering, security, product, and leadership stakeholders to define requirements and weigh trade-offs
• Apply solid architecture and systems design practices around service boundaries, data models, secure defaults, and observability
• Mentor junior developers and act as a technical SME for IT leadership and other teams
• Lead moderate to high budget projects, sometimes more than one at a time, and manage milestones and estimates

Required Skills/Experience (Must-Haves)

• Strong programming skills in Python, TypeScript/JavaScript, Go, or similar
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
• Built and deployed AI-based solutions in production with measurable business or operational impact
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