Senior Full Stack Developer

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October 28

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Zenara Health

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SaaS • Artificial Intelligence • B2B

Zenara Health is a SaaS platform for mental health clinics and providers that uses AI-driven assessments, workflow automation, and monitoring to streamline intake, documentation, care coordination, and billing. It generates clinician-informed, measurement-based care plans, integrates with EHRs (starting with Charm), captures timers and claims-ready artifacts to surface reimbursable work, and supports human-in-the-loop validation and continuous outcome tracking. The product emphasizes security and compliance (HIPAA/BAA, encryption, audit logs) and is targeted at clinicians, psychiatrists, and group practices looking to improve outcomes, reduce clinician burden, and increase revenue.

1 - 10 employees

Founded 2023

☁️ SaaS

🤖 Artificial Intelligence

🤝 B2B

📋 Description

• Own a healthcare web application endtoend across backend (Python/Flask/Celery/Postgres) and frontend (Node.js/Express/HTML/CSS/JS), leading feature delivery, integrations, security, and operations. • Plan, design, implement, test, deploy, and monitor features across frontend and backend. • Maintain high code quality, documentation, and developer experience. • Design REST APIs, proxy endpoints, and vendor integrations (e.g., EHR systems, form platforms). • Implement asynchronous processing pipelines with Celery + Redis (audio/transcripts). • Optimize Postgres schemas/queries; manage connection pools (psycopg/psycopg_pool). • Enforce consistent authentication/authorization (API key headers), manage secrets via environment variables. • Operate with Gunicorn and Docker Compose; maintain conda/venv environments. • Build secure serverside routes and robust proxy layers to backend APIs. • Implement sessions, CSRF protection, rate limiting, and security headers (helmet + CSP). • Integrate thirdparty form systems; implement file uploads (multer) and streaming (PDF/audio). • Develop pages and flows: login/register, dashboard, patients, action items, billing, invoice generation. • Manage patient sections (agenda, summary, transcripts, blueprints), versioning/history, and exports (ZIP, PDF). • Own Docker Compose and CI/CD pipelines; environment parity for dev/stage/prod. • Instrument logging, metrics, tracing; set alerts; optimize performance and cost. • Apply best practices: input validation, CSRF, CSP, secure cookies/sessions, SSRF prevention, rate limiting. • Handle secret management and least privilege for cloud/database access. • Write unit/integration tests for critical flows (auth, uploads, proxies, billing). • Own release notes, migration scripts, rollback plans; drive postmortems and continuous improvement.

🎯 Requirements

• 5+ years of fullstack development with production ownership. • Python ecosystem: Flask, Gunicorn, Celery, Redis, Postgres, psycopg, conda/venv, FFmpeg/pydub. • Node.js ecosystem: Node 18+, Express 5, axios, multer, helmet, expressratelimit, csrf, marked, nodefetch/undici. • Web app delivery: HTML/CSS/JS, UX for dashboards/wizards/modals/drawers, performance optimization. • Architecture & operations: Docker/Compose, environment config, secrets via env vars, git workflows. • Security: API key enforcement, session security, CSRF, CSP, rate limiting, secure headers, file upload safety. • Nice to have • EHR integrations (Charm or similar), HIPAAaligned workflows. • Form platforms (Form.io), PDF generation/signing, invoice pipelines. • Cloud experience (Azure/AWS/GCP) and managed Postgres. • CI/CD (GitHub Actions), IaC/Terraform, container orchestration. • Data privacy/compliance experience (audit trails, access controls).