Gen AI Startup, Enterprise SaaS

We are hiring a Principal Engineer to take full, hands-on ownership of Blitzy's most critical production-grade systems and to deliver high-leverage features that materially improve customer outcomes and engineering velocity.

This role is 100% hands-on. Leverage comes from system ownership, execution quality, and durable technical decisions — not people management or process.

What Success Looks Like

• You are a self-directed learner requiring minimal supervision
• You are dedicated to getting things done right without making technical compromises
• You demonstrate strong technical expertise across the full stack: frontend, backend, infrastructure, and AI systems
• You materially increase the effectiveness of the engineering organization through example and judgment
• Backend_ Python (primary language)
• Cloud & Infrastructure
• Expertise across at least two of AWS, GCP, and Azure, with GCP mandatory
• Expert-level Kubernetes experience for container orchestration in production environments

Job Type: Full-time

Pay: $180,000.00 - $350,000.00 per year

Experience:

• Python: 5 years (Required)
• Cloud infrastructure: 2 years (Required)

Ability to Commute:

• Cambridge, MA 02141 (Required)

Work Location: In person