Senior Software (Fullstack Engineer (Python/Node.js))

https://zany-specialist-97b.notion.site/Job-Title-Fullstack-Engineer-Python-Node-js-1d90b90dc1dd80eba741e78e02163fcd

Responsibilities

• Design and implement backend services in Python (FastAPI, Flask) or Node.js (Express, NestJS)
• Build and maintain frontend features using React.js, Next.js, and Tailwind CSS
• Develop APIs that support AI agents, user sessions, and real-time data sync
• Work with databases (PostgreSQL, Supabase, Redis) to build flexible and scalable data models
• Write clean, testable, and well-documented code
• Collaborate closely with AI engineers to integrate LLMs, vector DBs, and inference pipelines
• Deploy apps using modern DevOps stacks (Vercel, Docker, Cloudflare, Supabase, etc.)
• Own features end-to-end: from specs and implementation to testing and monitoring

Requirements

• 4+ years of experience in fullstack or backend engineering
• Strong skills in Python and/or Node.js
• Comfortable building REST or GraphQL APIs
• Experience working with PostgreSQL, Supabase, or similar DBs
• Familiarity with frontend stacks: React.js, Tailwind, and component-based architecture
• Comfortable with Git workflows, CI/CD, and deploying to cloud environments
• Bonus: experience working in AI/ML-integrated products (but not required)

Bonus Points

• Experience working with realtime data (WebSocket, Pub/Sub, Redis streams)
• Used Supabase or Firebase in production
• Built internal tools, dashboards, or SaaS platforms
• Background in building systems for authentication, billing, or user management
• Interest in LLM tooling, AI agents, or prompt-driven systems