Senior Full Stack Engineer

Rely Health•San Francisco, CA

2h•$175,000 - $250,000•Onsite

About The Position

The Senior Full Stack Engineer will work directly with our Chief Technology Officer to build and extend our AI-first technology suite. This role is central to our engineering strategy — you will use Claude Code and the Anthropic API daily to build intelligent clinical workflows, automate patient communication, and extend our no-code pathway builder with LLM capabilities. You'll work across our three core products: No-code pathway builder for clinical journey design, Communication management CRM for patient interactions, and Interoperability layer for real-time data feed ingestion.

Requirements

Claude Code & Anthropic API: Hands-on production experience required
LLM Integration: Experience building with LLMs in production environments
Full Stack: 5+ years across frontend and backend (React, Node.js, Python, or similar)
Data Integration: Experience ingesting and normalizing third-party data feeds
Healthcare/Regulated Tech: Understanding of HIPAA or similar compliance frameworks
Startup Mindset: Comfortable with ambiguity, fast pace, and wearing multiple hats

Nice To Haves

Experience with no-code/low-code platform development
Workflow engine or rules engine design
AI safety practices in regulated or sensitive domains
Real-time communication systems at scale

Responsibilities

Build and maintain AI-powered features using Claude Code and the Anthropic API
Design prompt engineering strategies for patient-facing and internal clinical workflows
Integrate LLM capabilities responsibly within HIPAA-compliant systems
Build guardrails and safety layers for AI-generated patient-facing content
Evaluate new AI capabilities and determine production readiness
Collaborate with the CTO to develop features and updates across our technology suite
Develop, test, deploy, maintain, and improve software to meet clinical and product requirements
Design and implement scalable APIs and data pipelines for real-time patient interactions
Contribute to code reviews and architecture discussions
Ensure all systems adhere to regulatory security standards (HIPAA, SOC 2)
Scope projects from customer interviews and shadow sessions to drive product decisions
Communicate effectively with clinical teams, business users, and external partners
Mentor and support other team members in executing on product
Foster cross-functional collaboration on system design and product scoping