Principal Software Engineer

Principal Software Engineer

$180,000 to $220,000 base + bonus + equity

Remote (United States)

About the Company

A high-growth, product-driven AI company building next-generation infrastructure for large-scale, AI-powered digital experiences.

This team is redefining how content and user interactions are created and delivered using cutting-edge generative AI. With a live product, strong revenue traction, and ambitious scaling plans, they are positioned at the forefront of a rapidly evolving market. Operating with a lean, high-performance culture, they prioritize ownership, speed, and impact.

The Role

As a Principal Software Engineer, you will operate as a senior technical leader, owning architecture and execution across a complex, production-grade system. This is a highly hands-on role where you will work across the full stack, driving system design, scaling infrastructure, and embedding AI capabilities directly into core product workflows.

What You’ll Do

• Lead architecture and technical direction across frontend, backend, and infrastructure
• Design and scale systems supporting high-volume, real-time AI-driven workloads
• Build and ship end-to-end features across the full stack
• Integrate LLMs and AI systems into production environments
• Optimize system performance, reliability, and scalability
• Troubleshoot and resolve production issues across distributed systems
• Mentor engineers and elevate technical standards across the team
• Partner closely with leadership to shape product and engineering strategy

What You’ll Bring

• Proven ownership of production systems at scale
• Hands-on experience deploying LLMs in real-world applications
• Strong system design skills with a focus on performance and reliability
• Experience in fast-paced, high-ownership environments (startup experience preferred)
• Ability to operate independently and drive complex projects end-to-end
• High agency and a strong bias for action

Tech Stack

• Full-stack application development
• Distributed systems and cloud infrastructure
• AI and LLM integration and orchestration
• Scalable backend services and APIs

Why Join?

You will join a company with real traction, real users, and real revenue, operating at the cutting edge of applied AI. This is an opportunity to step into a high-impact role with significant ownership, where your technical decisions will directly influence product direction and company growth. The team is lean, execution-focused, and moving fast, ideal for builders who want to see their work ship and scale quickly.

About People In AI

People In AI partners with ambitious companies building at the frontier of artificial intelligence. We connect exceptional engineers and leaders with opportunities to do meaningful, high-impact work across the AI ecosystem.