Principal Engineer

The role

The Principal Engineer will take ownership of architecture and technical direction across the stack. You will design backend data models, deployment pipelines, and mobile client integrations while writing production-grade code.

What you will do

• Own architecture end-to-end including backend systems, APIs, and infrastructure
• Write production-grade code and contribute to design reviews
• Set engineering standards for testing, observability, CI/CD, and deployment practices
• Partner with product and leadership to translate complex problems into scalable solutions
• Guide technical strategy and roadmap decisions
• Collaborate cross-functionally with mobile, design, and clinical stakeholders

Required qualifications

• 8+ years of experience building and scaling production systems
• Deep experience in Python (FastAPI, Flask, or similar)
• Proven expertise with AWS serverless: Lambda, DynamoDB, EventBridge, API Gateway, S3, and related services
• Strong understanding of distributed system design, data modeling, and cloud architecture best practices
• Familiarity with React Native / Expo or mobile API integration patterns
• A track record of technical leadership

Nice to have

• Experience designing new architectures from scratch or leading major refactors
• Background in healthcare, privacy, or regulated environments
• Experience with TypeScript, NestJS, or Node.js for edge or integration work

Benefits

• Competitive compensation
• Medical, dental & vision plans, with an HSA/FSA option
• 401(k) with employer match
• Paid time off
• Paid parental leave

About the company

Diana Health is a network of modern women’s health practices working in partnership with hospitals. They combine a tech-enabled, wellness-focused care program with a clinical system to support patients and providers.